44 changed files with 2081 additions and 1242 deletions
-
5Cargo.toml
-
87src/async_utils.rs
-
200src/builder.rs
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124src/command_runner.rs
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19src/lib.rs
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2src/locator.rs
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125src/loggers.rs
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43src/resources/mod.rs
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274src/schema.rs
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396src/setup.rs
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191src/setup/core.rs
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10src/setup/mod.rs
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193src/setup/runnable.rs
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300src/setup/setup.rs
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318src/setup/symbol_runner.rs
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9src/setup/util.rs
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23src/symbols/acme/cert.rs
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6src/symbols/concat.rs
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21src/symbols/cron.rs
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6src/symbols/dir.rs
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6src/symbols/file.rs
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102src/symbols/git/checkout.rs
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2src/symbols/git/mod.rs
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43src/symbols/git/submodules.rs
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23src/symbols/mariadb/database.rs
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23src/symbols/mariadb/dump.rs
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20src/symbols/mariadb/user.rs
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6src/symbols/mod.rs
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23src/symbols/npm.rs
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12src/symbols/owner.rs
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38src/symbols/postgresql/database.rs
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37src/symbols/saved_directory.rs
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12src/symbols/systemd/reload.rs
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47src/symbols/systemd/user_service.rs
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7src/symbols/systemd/user_session.rs
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21src/symbols/tls/csr.rs
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18src/symbols/tls/key.rs
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22src/symbols/user.rs
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29src/symbols/wordpress/plugin.rs
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16src/symbols/wordpress/translation.rs
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1src/templates/nginx/server.rs
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2src/to_artifact.rs
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53tests/file.rs
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30tests/setup.rs
@ -0,0 +1,87 @@ |
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use std::{
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future::Future,
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pin::Pin,
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sync::{Arc, Mutex},
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task::{Context, Poll, Waker},
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thread,
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time::Duration,
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};
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pub use async_trait::async_trait;
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pub fn run<F: Future>(future: F) -> F::Output {
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tokio::runtime::Runtime::new().unwrap().block_on(future)
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}
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pub use tokio::try_join;
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|
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#[derive(Debug)]
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pub struct TimerFuture {
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state: Arc<Mutex<State>>,
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}
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#[derive(Debug)]
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enum State {
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NotStarted(Duration),
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Running(Waker),
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Completed,
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}
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impl Future for TimerFuture {
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type Output = ();
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fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
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let mut state = self.state.lock().unwrap();
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if let State::Completed = *state {
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return Poll::Ready(());
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}
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if let State::NotStarted(duration) = *state {
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let thread_state = self.state.clone();
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thread::spawn(move || {
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thread::sleep(duration);
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let mut state = thread_state.lock().unwrap();
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let waker = if let State::Running(waker) = &*state {
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Some(waker.clone())
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} else {
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None
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};
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*state = State::Completed;
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if let Some(w) = waker {
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w.wake()
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}
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});
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}
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*state = State::Running(cx.waker().clone());
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Poll::Pending
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}
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}
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|
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pub fn sleep(duration: Duration) -> impl Future<Output = ()> {
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TimerFuture {
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state: Arc::new(Mutex::new(State::NotStarted(duration))),
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}
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}
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|
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#[cfg(test)]
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mod test {
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use crate::async_utils::{run, sleep};
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use futures::future::FutureExt;
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use std::time::{Duration, Instant};
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#[test]
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fn test_sleep() {
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run(async {
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let start = Instant::now();
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let sleep = sleep(Duration::from_millis(100)).fuse();
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let ok = async {}.fuse();
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futures::pin_mut!(sleep, ok);
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loop {
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futures::select! {
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_ = sleep => {},
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_ = ok => assert!((Instant::now() - start).as_millis() < 100),
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complete => break,
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}
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}
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})
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}
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}
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@ -1,274 +0,0 @@ |
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use crate::loggers::Logger;
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use crate::symbols::Symbol;
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use std::cell::RefCell;
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use std::error::Error;
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use std::fmt;
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use std::fmt::Debug;
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pub trait SymbolRunner {
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fn run_symbol<S: Symbol + Debug>(&self, symbol: &S, force: bool) -> Result<bool, Box<dyn Error>>;
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}
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impl<R: SymbolRunner + ?Sized> SymbolRunner for Box<R> {
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fn run_symbol<S: Symbol + Debug>(&self, symbol: &S, force: bool) -> Result<bool, Box<dyn Error>> {
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(**self).run_symbol(symbol, force)
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}
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}
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#[derive(Debug)]
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pub enum SymbolRunError {
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Symbol(Box<dyn Error>),
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ExecuteDidNotReach(()),
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}
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impl Error for SymbolRunError {
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fn cause(&self) -> Option<&dyn Error> {
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match self {
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Self::Symbol(ref e) => Some(&**e),
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Self::ExecuteDidNotReach(_) => None,
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}
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}
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}
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impl fmt::Display for SymbolRunError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Self::Symbol(ref e) => write!(f, "{}", e),
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Self::ExecuteDidNotReach(_) => write!(f, "Target not reached after executing symbol"),
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}
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}
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}
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pub struct InitializingSymbolRunner<L: Logger> {
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logger: RefCell<L>,
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}
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impl<L: Logger> InitializingSymbolRunner<L> {
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pub fn new(logger: L) -> Self {
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Self {
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logger: RefCell::new(logger),
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}
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}
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fn exec_symbol<S: Symbol + Debug>(&self, symbol: &S) -> Result<(), Box<dyn Error>> {
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let mut logger = self.logger.borrow_mut();
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logger.write(format!("Executing {:?}", symbol).as_str());
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symbol.execute()?;
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let target_reached = symbol.target_reached()?;
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logger.debug(
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format!(
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"Symbol reports target_reached: {:?} (should be true)",
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target_reached
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)
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.as_str(),
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);
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if target_reached {
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Ok(())
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} else {
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Err(Box::new(SymbolRunError::ExecuteDidNotReach(())))
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}
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}
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}
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impl<L: Logger> SymbolRunner for InitializingSymbolRunner<L> {
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fn run_symbol<S: Symbol + Debug>(&self, symbol: &S, force: bool) -> Result<bool, Box<dyn Error>> {
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let mut logger = self.logger.borrow_mut();
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let executed = if force {
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logger.debug("Forcing symbol execution");
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drop(logger);
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self.exec_symbol(symbol)?;
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true
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} else {
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let target_reached = symbol.target_reached()?;
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if target_reached {
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logger.write(format!("{:?} already reached", symbol).as_str());
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} else {
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logger.debug(format!("Symbol reports target_reached: {:?}", target_reached).as_str());
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drop(logger);
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self.exec_symbol(symbol)?;
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}
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!target_reached
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};
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Ok(executed)
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}
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}
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pub struct DrySymbolRunner<L: Logger> {
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logger: RefCell<L>,
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}
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impl<L: Logger> DrySymbolRunner<L> {
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pub fn new(logger: L) -> Self {
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Self {
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logger: RefCell::new(logger),
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}
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}
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}
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impl<L: Logger> SymbolRunner for DrySymbolRunner<L> {
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fn run_symbol<S: Symbol + Debug>(&self, symbol: &S, force: bool) -> Result<bool, Box<dyn Error>> {
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let mut logger = self.logger.borrow_mut();
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let would_execute = if force {
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logger.write(format!("Would force-execute {:?}", symbol).as_str());
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true
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} else {
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let target_reached = symbol.target_reached()?;
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logger.debug(format!("Symbol reports target_reached: {:?}", target_reached).as_str());
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if !target_reached {
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logger.write(format!("Would execute {:?}", symbol).as_str());
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}
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!target_reached
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};
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Ok(would_execute)
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}
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}
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pub struct ReportingSymbolRunner<'a, R, L>(&'a R, RefCell<L>);
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impl<'a, R, L> ReportingSymbolRunner<'a, R, L> {
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pub fn new(symbol_runner: &'a R, logger: L) -> Self {
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ReportingSymbolRunner(symbol_runner, RefCell::new(logger))
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}
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}
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impl<'a, R, L> SymbolRunner for ReportingSymbolRunner<'a, R, L>
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where
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R: SymbolRunner,
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L: Logger,
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{
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fn run_symbol<S: Symbol + Debug>(&self, symbol: &S, force: bool) -> Result<bool, Box<dyn Error>> {
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let mut logger = self.1.borrow_mut();
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logger.debug(format!("Running symbol {:?}", symbol).as_str());
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let res = self.0.run_symbol(symbol, force);
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if let Err(ref e) = res {
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logger.write(format!("Failed on {:?} with {}, aborting.", symbol, e).as_str())
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} else {
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logger.debug(format!("Successfully finished {:?}", symbol).as_str())
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}
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res
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}
|
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}
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|
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#[cfg(test)]
|
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mod test {
|
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use std::cell::RefCell;
|
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use std::error::Error;
|
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use std::fmt;
|
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|
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use crate::loggers::Logger;
|
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use crate::schema::InitializingSymbolRunner;
|
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use crate::schema::SymbolRunner;
|
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use crate::symbols::Symbol;
|
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|
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#[derive(Debug, PartialEq, Clone)]
|
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enum DummySymbolError {
|
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Error(()),
|
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}
|
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|
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impl Error for DummySymbolError {}
|
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|
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impl fmt::Display for DummySymbolError {
|
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
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write!(f, "Dummy symbol error")
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}
|
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}
|
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|
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#[derive(Debug)]
|
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struct DummySymbol<T, E> {
|
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_target_reached: RefCell<T>,
|
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_execute: RefCell<E>,
|
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}
|
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|
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impl<
|
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E: Iterator<Item = Result<(), Box<dyn Error>>>,
|
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T: Iterator<Item = Result<bool, Box<dyn Error>>>,
|
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> Symbol for DummySymbol<T, E>
|
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{
|
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fn target_reached(&self) -> Result<bool, Box<dyn Error>> {
|
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self._target_reached.borrow_mut().next().unwrap()
|
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}
|
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fn execute(&self) -> Result<(), Box<dyn Error>> {
|
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self._execute.borrow_mut().next().unwrap()
|
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}
|
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}
|
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|
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impl<
|
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E: Iterator<Item = Result<(), Box<dyn Error>>>,
|
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T: Iterator<Item = Result<bool, Box<dyn Error>>>,
|
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> DummySymbol<T, E>
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{
|
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fn new<
|
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IE: IntoIterator<IntoIter = E, Item = Result<(), Box<dyn Error>>>,
|
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IT: IntoIterator<IntoIter = T, Item = Result<bool, Box<dyn Error>>>,
|
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>(
|
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target_reached: IT,
|
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execute: IE,
|
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) -> Self {
|
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Self {
|
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_target_reached: RefCell::new(target_reached.into_iter()),
|
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_execute: RefCell::new(execute.into_iter()),
|
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}
|
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}
|
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}
|
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|
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struct DummyLogger {
|
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log: Vec<String>,
|
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}
|
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|
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impl DummyLogger {
|
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fn new() -> DummyLogger {
|
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DummyLogger { log: Vec::new() }
|
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}
|
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}
|
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|
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impl Logger for DummyLogger {
|
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fn write(&mut self, line: &str) {
|
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self.log.push(line.into());
|
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}
|
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fn debug(&mut self, line: &str) {
|
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self.log.push(line.into());
|
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}
|
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}
|
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|
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#[test]
|
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fn nothing_needed_to_be_done() {
|
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let result = InitializingSymbolRunner::new(DummyLogger::new())
|
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.run_symbol(&DummySymbol::new(vec![Ok(true)], vec![Ok(())]), false);
|
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assert!(result.is_ok());
|
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}
|
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|
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#[test]
|
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fn everything_is_ok() {
|
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let result = InitializingSymbolRunner::new(DummyLogger::new()).run_symbol(
|
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&DummySymbol::new(vec![Ok(true), Ok(false)], vec![Ok(())]),
|
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false,
|
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);
|
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assert!(result.is_ok());
|
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}
|
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|
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#[test]
|
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fn executing_did_not_change_state() {
|
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let result = InitializingSymbolRunner::new(DummyLogger::new()).run_symbol(
|
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&DummySymbol::new(vec![Ok(false), Ok(false)], vec![Ok(())]),
|
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false,
|
|||
);
|
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assert_eq!(
|
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result.unwrap_err().to_string(),
|
|||
"Target not reached after executing symbol"
|
|||
);
|
|||
}
|
|||
|
|||
#[test]
|
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fn executing_did_not_work() {
|
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let err = InitializingSymbolRunner::new(DummyLogger::new())
|
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.run_symbol(
|
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&DummySymbol::new(
|
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vec![Ok(false)],
|
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vec![Err(Box::new(DummySymbolError::Error(())) as Box<dyn Error>)],
|
|||
),
|
|||
false,
|
|||
)
|
|||
.unwrap_err();
|
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assert_eq!(err.to_string(), "Dummy symbol error");
|
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}
|
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}
|
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@ -1,396 +0,0 @@ |
|||
use crate::resources::{BorrowResource, DefaultResources, Resource};
|
|||
use crate::schema::SymbolRunner;
|
|||
use crate::symbols::Symbol;
|
|||
use crate::to_artifact::ToArtifact;
|
|||
use crate::{DefaultBuilder, DefaultLocator, ResourceLocator, SymbolBuilder};
|
|||
use std::collections::HashSet;
|
|||
use std::error::Error;
|
|||
use std::fmt::Debug;
|
|||
use std::hash::Hash;
|
|||
use std::marker::PhantomData;
|
|||
|
|||
pub trait CanHandle<X: ToArtifact> {
|
|||
fn handle(&mut self, x: X) -> Result<(X::Artifact, bool), Box<dyn Error>>;
|
|||
}
|
|||
|
|||
macro_rules! can_handle {
|
|||
( $($name:ident)* ) => (
|
|||
#[allow(non_snake_case)]
|
|||
impl<_SR: SymbolRunner, _L, _R: Hash + Eq, _B, $($name: Resource,)*>
|
|||
CanHandle<($($name,)*)>
|
|||
for Setup<_SR, _L, _R, _B>
|
|||
where
|
|||
$(
|
|||
_B: SymbolBuilder<$name>,
|
|||
<_B as SymbolBuilder<$name>>::Symbol: Runnable + Debug,
|
|||
_L: ResourceLocator<$name>,
|
|||
_R: From<$name> + BorrowResource<$name>,
|
|||
Self: CanHandle<<_B as SymbolBuilder<$name>>::Prerequisites> +
|
|||
CanHandle<<_L as ResourceLocator<$name>>::Prerequisites>
|
|||
),*
|
|||
{
|
|||
fn handle(&mut self, ($($name,)*): ($($name,)*)) -> Result<(($($name::Artifact,)*), bool), Box<dyn Error>>
|
|||
{
|
|||
$(let $name = self.add($name)?;)*
|
|||
Ok((($($name.0,)*), false $(|| $name.1)*))
|
|||
}
|
|||
}
|
|||
);
|
|||
}
|
|||
|
|||
for_each_tuple!(can_handle);
|
|||
|
|||
// This is for self-referential T
|
|||
// FIXME: Wait for specialization
|
|||
impl<_SR: SymbolRunner, _L, _R: Hash + Eq, _B, T: Resource> CanHandle<Option<T>>
|
|||
for Setup<_SR, _L, _R, _B>
|
|||
where
|
|||
_B: SymbolBuilder<T>,
|
|||
<_B as SymbolBuilder<T>>::Symbol: Runnable + Debug,
|
|||
_L: ResourceLocator<T, Prerequisites = Option<T>>,
|
|||
_R: From<T> + BorrowResource<T>,
|
|||
Self: CanHandle<<_B as SymbolBuilder<T>>::Prerequisites>,
|
|||
{
|
|||
fn handle(
|
|||
&mut self,
|
|||
r: Option<T>,
|
|||
) -> Result<(<Option<T> as ToArtifact>::Artifact, bool), Box<dyn Error>> {
|
|||
Ok(match r {
|
|||
Some(r) => {
|
|||
let (result, did_run) = self.add(r)?;
|
|||
(Some(result), did_run)
|
|||
}
|
|||
None => (None, false),
|
|||
})
|
|||
}
|
|||
}
|
|||
|
|||
impl<_SR: SymbolRunner, _L, _R: Hash + Eq, _B, T: Resource> CanHandle<T> for Setup<_SR, _L, _R, _B>
|
|||
where
|
|||
_B: SymbolBuilder<T>,
|
|||
<_B as SymbolBuilder<T>>::Symbol: Runnable + Debug,
|
|||
_L: ResourceLocator<T>,
|
|||
_R: From<T> + Debug + BorrowResource<T>,
|
|||
Self: CanHandle<<_B as SymbolBuilder<T>>::Prerequisites>
|
|||
+ CanHandle<<_L as ResourceLocator<T>>::Prerequisites>,
|
|||
{
|
|||
fn handle(&mut self, r: T) -> Result<(<T as ToArtifact>::Artifact, bool), Box<dyn Error>> {
|
|||
self.add(r)
|
|||
}
|
|||
}
|
|||
|
|||
pub struct Setup<
|
|||
SR,
|
|||
L = DefaultLocator,
|
|||
R = DefaultResources<'static, &'static str>,
|
|||
B = DefaultBuilder,
|
|||
> {
|
|||
symbol_runner: SR,
|
|||
resources: HashSet<R>,
|
|||
phantom: PhantomData<(L, B)>,
|
|||
}
|
|||
|
|||
// https://github.com/rust-lang/rust/issues/27336
|
|||
impl<SR> Setup<SR> {
|
|||
pub fn new(symbol_runner: SR) -> Self {
|
|||
Self {
|
|||
symbol_runner,
|
|||
resources: Default::default(),
|
|||
phantom: Default::default(),
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
impl<SR, L, R: Hash + Eq, B> Setup<SR, L, R, B> {
|
|||
pub fn new_with(symbol_runner: SR) -> Self {
|
|||
Self {
|
|||
symbol_runner,
|
|||
resources: Default::default(),
|
|||
phantom: Default::default(),
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
pub trait Runnable {
|
|||
fn run<R: SymbolRunner>(&self, runner: &R, force: bool) -> Result<bool, Box<dyn Error>>;
|
|||
}
|
|||
|
|||
impl<S: Symbol + Debug> Runnable for S {
|
|||
fn run<R: SymbolRunner>(&self, runner: &R, force: bool) -> Result<bool, Box<dyn Error>> {
|
|||
runner.run_symbol(self, force)
|
|||
}
|
|||
}
|
|||
|
|||
macro_rules! runnable_for_tuple {
|
|||
( $($name:ident)* ) => (
|
|||
#[allow(non_snake_case)]
|
|||
impl<$($name: Symbol + Debug,)*> Runnable for ($($name,)*) {
|
|||
#[allow(unused)]
|
|||
fn run<_R: SymbolRunner>(&self, runner: &_R, force: bool) -> Result<bool, Box<dyn Error>> {
|
|||
let ($($name,)*) = self;
|
|||
let mut result = false;
|
|||
$(result = runner.run_symbol($name, force || result)? || result;)*
|
|||
Ok(result)
|
|||
}
|
|||
}
|
|||
);
|
|||
}
|
|||
|
|||
for_each_tuple!(runnable_for_tuple);
|
|||
|
|||
impl<SR: SymbolRunner, L, Rs: Hash + Eq, B> Setup<SR, L, Rs, B> {
|
|||
pub fn add<R: Resource>(&mut self, resource: R) -> Result<(R::Artifact, bool), Box<dyn Error>>
|
|||
where
|
|||
B: SymbolBuilder<R>,
|
|||
<B as SymbolBuilder<R>>::Symbol: Runnable + Debug,
|
|||
L: ResourceLocator<R>,
|
|||
Rs: From<R> + BorrowResource<R>,
|
|||
Self: CanHandle<B::Prerequisites> + CanHandle<<L as ResourceLocator<R>>::Prerequisites>,
|
|||
{
|
|||
self.add_force(resource, false)
|
|||
}
|
|||
|
|||
pub fn add_force<R: Resource>(
|
|||
&mut self,
|
|||
resource: R,
|
|||
force_run: bool,
|
|||
) -> Result<(R::Artifact, bool), Box<dyn Error>>
|
|||
where
|
|||
B: SymbolBuilder<R>,
|
|||
<B as SymbolBuilder<R>>::Symbol: Runnable + Debug,
|
|||
L: ResourceLocator<R>,
|
|||
Rs: From<R> + BorrowResource<R>,
|
|||
Self: CanHandle<B::Prerequisites> + CanHandle<<L as ResourceLocator<R>>::Prerequisites>,
|
|||
{
|
|||
let (target, target_prereqs) = L::locate(&resource);
|
|||
let storable_resource = Rs::from(resource);
|
|||
let did_run = if self.resources.get(&storable_resource).is_some() {
|
|||
assert!(
|
|||
!force_run,
|
|||
"Forcing to run an already-added resource is a logical error"
|
|||
);
|
|||
false
|
|||
} else {
|
|||
let (_, target_prereqs_did_run) = self.handle(target_prereqs)?;
|
|||
let (symbol, prereqs_did_run) =
|
|||
self.get_symbol(storable_resource.borrow_resource().unwrap(), &target)?;
|
|||
self.resources.insert(storable_resource);
|
|||
self.run_symbol(
|
|||
symbol,
|
|||
force_run || target_prereqs_did_run || prereqs_did_run,
|
|||
)?
|
|||
};
|
|||
Ok((target, did_run))
|
|||
}
|
|||
|
|||
fn get_symbol<R: Resource>(
|
|||
&mut self,
|
|||
resource: &R,
|
|||
target: &R::Artifact,
|
|||
) -> Result<(<B as SymbolBuilder<R>>::Symbol, bool), Box<dyn Error>>
|
|||
where
|
|||
B: SymbolBuilder<R>,
|
|||
Self: CanHandle<B::Prerequisites>,
|
|||
{
|
|||
let (prereqs, prereqs_did_run) = self.handle(B::prerequisites(resource))?;
|
|||
Ok((B::create(resource, target, prereqs), prereqs_did_run))
|
|||
}
|
|||
|
|||
pub fn run_symbol<S: Runnable>(&self, symbol: S, force: bool) -> Result<bool, Box<dyn Error>> {
|
|||
symbol.run(&self.symbol_runner, force)
|
|||
}
|
|||
}
|
|||
|
|||
#[cfg(test)]
|
|||
mod test {
|
|||
use crate::resources::{BorrowResource, Resource};
|
|||
use crate::schema::SymbolRunner;
|
|||
use crate::symbols::Symbol;
|
|||
use crate::to_artifact::ToArtifact;
|
|||
use crate::{ResourceLocator, Setup, SymbolBuilder};
|
|||
use std::cell::RefCell;
|
|||
use std::error::Error;
|
|||
use std::fmt::Debug;
|
|||
use std::rc::Rc;
|
|||
|
|||
struct TestSymbolRunner {
|
|||
count: Rc<RefCell<usize>>,
|
|||
}
|
|||
|
|||
impl SymbolRunner for TestSymbolRunner {
|
|||
fn run_symbol<S: Symbol + Debug>(
|
|||
&self,
|
|||
symbol: &S,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>> {
|
|||
let run = force || !symbol.target_reached()?;
|
|||
if run {
|
|||
*self.count.borrow_mut() += 1;
|
|||
}
|
|||
Ok(run)
|
|||
}
|
|||
}
|
|||
|
|||
#[derive(Debug, PartialEq, Eq, Hash)]
|
|||
struct TestResource<T>(&'static str, T);
|
|||
impl<T> Resource for TestResource<T> {
|
|||
type Artifact = ();
|
|||
}
|
|||
|
|||
#[derive(Debug, Hash, PartialEq, Eq)]
|
|||
enum Resources {
|
|||
A(TestResource<&'static str>),
|
|||
B(TestResource<()>),
|
|||
}
|
|||
impl From<TestResource<&'static str>> for Resources {
|
|||
fn from(from: TestResource<&'static str>) -> Self {
|
|||
Self::A(from)
|
|||
}
|
|||
}
|
|||
impl From<TestResource<()>> for Resources {
|
|||
fn from(from: TestResource<()>) -> Self {
|
|||
Self::B(from)
|
|||
}
|
|||
}
|
|||
|
|||
impl BorrowResource<TestResource<&'static str>> for Resources {
|
|||
fn borrow_resource(&self) -> Option<&TestResource<&'static str>> {
|
|||
match self {
|
|||
Self::A(a) => Some(a),
|
|||
_ => None,
|
|||
}
|
|||
}
|
|||
}
|
|||
impl BorrowResource<TestResource<()>> for Resources {
|
|||
fn borrow_resource(&self) -> Option<&TestResource<()>> {
|
|||
match self {
|
|||
Self::B(b) => Some(b),
|
|||
_ => None,
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
struct TestResourceLocator;
|
|||
impl<T> ResourceLocator<TestResource<T>> for TestResourceLocator {
|
|||
type Prerequisites = ();
|
|||
fn locate(_resource: &TestResource<T>) -> (<TestResource<T> as ToArtifact>::Artifact, ()) {
|
|||
((), ())
|
|||
}
|
|||
}
|
|||
|
|||
struct TestSymbolBuilder;
|
|||
impl SymbolBuilder<TestResource<&'static str>> for TestSymbolBuilder {
|
|||
type Symbol = TestSymbol;
|
|||
type Prerequisites = TestResource<()>;
|
|||
|
|||
fn prerequisites(resource: &TestResource<&'static str>) -> Self::Prerequisites {
|
|||
TestResource(resource.1, ())
|
|||
}
|
|||
fn create(
|
|||
resource: &TestResource<&'static str>,
|
|||
(): &(),
|
|||
_inputs: <Self::Prerequisites as ToArtifact>::Artifact,
|
|||
) -> Self::Symbol {
|
|||
TestSymbol {
|
|||
reached: resource.0.chars().next().unwrap().is_uppercase(),
|
|||
}
|
|||
}
|
|||
}
|
|||
impl SymbolBuilder<TestResource<()>> for TestSymbolBuilder {
|
|||
type Symbol = TestSymbol;
|
|||
type Prerequisites = ();
|
|||
|
|||
fn prerequisites(_resource: &TestResource<()>) -> Self::Prerequisites {}
|
|||
fn create(resource: &TestResource<()>, (): &(), (): ()) -> Self::Symbol {
|
|||
TestSymbol {
|
|||
reached: resource.0.chars().next().unwrap().is_uppercase(),
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
#[derive(Debug)]
|
|||
struct TestSymbol {
|
|||
reached: bool,
|
|||
}
|
|||
impl Symbol for TestSymbol {
|
|||
fn target_reached(&self) -> Result<bool, Box<dyn Error>> {
|
|||
Ok(self.reached)
|
|||
}
|
|||
fn execute(&self) -> Result<(), Box<dyn Error>> {
|
|||
Ok(())
|
|||
}
|
|||
}
|
|||
|
|||
fn get_setup() -> (
|
|||
Rc<RefCell<usize>>,
|
|||
Setup<TestSymbolRunner, TestResourceLocator, Resources, TestSymbolBuilder>,
|
|||
) {
|
|||
let count = Rc::new(RefCell::new(0));
|
|||
let runner = TestSymbolRunner {
|
|||
count: Rc::clone(&count),
|
|||
};
|
|||
(count, Setup::new_with(runner))
|
|||
}
|
|||
|
|||
#[test]
|
|||
fn correctly_uses_force() {
|
|||
let (count, mut setup) = get_setup();
|
|||
setup.add(TestResource("A", "b")).unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
setup.add(TestResource("A", "b")).unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
|
|||
let (count, mut setup) = get_setup();
|
|||
setup.add(TestResource("A", "B")).unwrap();
|
|||
assert_eq!(*count.borrow(), 0);
|
|||
}
|
|||
|
|||
#[test]
|
|||
fn correctly_handles_symbol_tuples() {
|
|||
let (count, setup) = get_setup();
|
|||
setup
|
|||
.run_symbol(
|
|||
(TestSymbol { reached: false }, TestSymbol { reached: false }),
|
|||
false,
|
|||
)
|
|||
.unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
|
|||
let (count, setup) = get_setup();
|
|||
setup
|
|||
.run_symbol(
|
|||
(TestSymbol { reached: true }, TestSymbol { reached: false }),
|
|||
false,
|
|||
)
|
|||
.unwrap();
|
|||
assert_eq!(*count.borrow(), 1);
|
|||
|
|||
// An unreached symbol forces all further symbols
|
|||
let (count, setup) = get_setup();
|
|||
setup
|
|||
.run_symbol(
|
|||
(TestSymbol { reached: false }, TestSymbol { reached: true }),
|
|||
false,
|
|||
)
|
|||
.unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
|
|||
let (count, setup) = get_setup();
|
|||
setup
|
|||
.run_symbol(
|
|||
(TestSymbol { reached: true }, TestSymbol { reached: true }),
|
|||
false,
|
|||
)
|
|||
.unwrap();
|
|||
assert_eq!(*count.borrow(), 0);
|
|||
|
|||
let (count, setup) = get_setup();
|
|||
setup
|
|||
.run_symbol(
|
|||
(TestSymbol { reached: true }, TestSymbol { reached: true }),
|
|||
true,
|
|||
)
|
|||
.unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
}
|
|||
}
|
|||
@ -0,0 +1,191 @@ |
|||
use super::runnable::Runnable;
|
|||
use super::util::{AddResult, AddableResource};
|
|||
use super::Setup;
|
|||
use super::SymbolRunner;
|
|||
use crate::async_utils::try_join;
|
|||
use crate::loggers::{Logger, StoringLogger};
|
|||
use crate::resources::{FromArtifact, FromResource};
|
|||
use crate::symbols::Symbol;
|
|||
use crate::to_artifact::ToArtifact;
|
|||
use crate::{ImplementationBuilder, ResourceLocator};
|
|||
use async_trait::async_trait;
|
|||
use std::error::Error;
|
|||
use std::fmt::Debug;
|
|||
use std::hash::Hash;
|
|||
use std::marker::PhantomData;
|
|||
|
|||
#[async_trait(?Send)]
|
|||
pub trait AddGeneric<X: ToArtifact> {
|
|||
async fn add_generic(&self, x: X) -> AddResult<X>;
|
|||
}
|
|||
|
|||
macro_rules! add_generic {
|
|||
( $($name:ident)* ) => (
|
|||
#[async_trait(?Send)]
|
|||
#[allow(non_snake_case)]
|
|||
impl<SR: 'static, _L: 'static, _B: 'static, LOG: 'static + Logger, Rs: 'static + Hash + Eq, As: 'static + Clone, $($name: AddableResource,)*>
|
|||
AddGeneric<($($name,)*)> for Setup<SR, LOG, _L, _B, Rs, As>
|
|||
where
|
|||
$(
|
|||
RegularSetupCore<SR, _L, _B>: SetupCore<$name, Self>,
|
|||
As: FromArtifact<$name>,
|
|||
Rs: FromResource<$name>,
|
|||
$name::Artifact: Clone |
|||
),*
|
|||
{
|
|||
#[allow(unused)]
|
|||
async fn add_generic(&self, ($($name,)*): ($($name,)*)) -> Result<(($($name::Artifact,)*), bool), Box<dyn Error>>
|
|||
{
|
|||
let x: Result<_, Box<dyn Error>> = try_join!($(self.add_async($name, false),)*);
|
|||
let ($($name,)*) = x?;
|
|||
Ok((($($name.0,)*), false $(|| $name.1)*))
|
|||
}
|
|||
}
|
|||
);
|
|||
}
|
|||
|
|||
for_each_tuple!(add_generic);
|
|||
|
|||
// This is for self-referential T
|
|||
// FIXME: Wait for specialization
|
|||
#[async_trait(?Send)]
|
|||
impl<
|
|||
SR: 'static + SymbolRunner,
|
|||
LOG: 'static + Logger,
|
|||
T: AddableResource,
|
|||
Rs: 'static + Hash + Eq + FromResource<T>,
|
|||
As: 'static + FromArtifact<T> + Clone,
|
|||
L: 'static + ResourceLocator<T, Prerequisites = Option<T>>,
|
|||
B: 'static + ImplementationBuilder<T>,
|
|||
> AddGeneric<Option<T>> for Setup<SR, LOG, L, B, Rs, As>
|
|||
where
|
|||
<B as ImplementationBuilder<T>>::Implementation: Runnable + Debug,
|
|||
Self: AddGeneric<B::Prerequisites>,
|
|||
T::Artifact: Clone,
|
|||
{
|
|||
async fn add_generic(&self, r: Option<T>) -> AddResult<Option<T>> {
|
|||
Ok(match r {
|
|||
Some(r) => {
|
|||
let (result, did_run) = self.add_async(r, false).await?;
|
|||
(Some(result), did_run)
|
|||
}
|
|||
None => (None, false),
|
|||
})
|
|||
}
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl<
|
|||
LOG: 'static + Logger,
|
|||
T: AddableResource,
|
|||
Rs: 'static + Hash + Eq + FromResource<T>,
|
|||
As: 'static + FromArtifact<T> + Clone,
|
|||
SR: 'static,
|
|||
L: 'static,
|
|||
B: 'static,
|
|||
> AddGeneric<T> for Setup<SR, LOG, L, B, Rs, As>
|
|||
where
|
|||
T::Artifact: Clone,
|
|||
RegularSetupCore<SR, L, B>: 'static + SetupCore<T, Self>,
|
|||
{
|
|||
async fn add_generic(&self, r: T) -> AddResult<T> {
|
|||
self.add_async(r, false).await
|
|||
}
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
pub trait SetupCore<R: AddableResource, S> {
|
|||
async fn add<LOG: Logger, RR: AsRef<R>>(
|
|||
&self,
|
|||
setup: &S,
|
|||
parent_logger: &LOG,
|
|||
resource: RR,
|
|||
force_run: bool,
|
|||
) -> AddResult<R>;
|
|||
}
|
|||
|
|||
#[derive(Debug)]
|
|||
pub struct RegularSetupCore<SR, L, B> {
|
|||
symbol_runner: SR,
|
|||
phantom: PhantomData<(L, B)>,
|
|||
}
|
|||
|
|||
impl<SR, L, B> RegularSetupCore<SR, L, B> {
|
|||
pub fn new(symbol_runner: SR) -> Self {
|
|||
Self {
|
|||
symbol_runner,
|
|||
phantom: PhantomData::default(),
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl<SR: SymbolRunner, L, B, R: AddableResource, S> SetupCore<R, S> for RegularSetupCore<SR, L, B>
|
|||
where
|
|||
B: ImplementationBuilder<R>,
|
|||
<B as ImplementationBuilder<R>>::Implementation: Runnable + Debug,
|
|||
L: ResourceLocator<R>,
|
|||
S: AddGeneric<B::Prerequisites> + AddGeneric<<L as ResourceLocator<R>>::Prerequisites>,
|
|||
{
|
|||
async fn add<LOG: Logger, RR: AsRef<R>>(
|
|||
&self,
|
|||
setup: &S,
|
|||
parent_logger: &LOG,
|
|||
resource: RR,
|
|||
force_run: bool,
|
|||
) -> AddResult<R> {
|
|||
let resource = resource.as_ref();
|
|||
let logger = StoringLogger::new();
|
|||
logger.write(4, format!("Adding {:?} ... ", resource));
|
|||
let result = {
|
|||
logger.trace(format!(" (force_run is {})", force_run));
|
|||
let (location, location_prereqs) = L::locate(resource);
|
|||
logger.trace(format!("Adding location prereqs for {:?}", resource));
|
|||
let (_, location_prereqs_did_run) = setup.add_generic(location_prereqs).await?;
|
|||
logger.trace(format!(
|
|||
"Location prereqs for {:?} did_run: {}",
|
|||
resource, location_prereqs_did_run
|
|||
));
|
|||
logger.trace(format!("Adding implementation prereqs for {:?}", resource));
|
|||
let (prereqs, prereqs_did_run) = setup.add_generic(B::prerequisites(resource)).await?;
|
|||
logger.trace(format!(
|
|||
"Implementation prereqs for {:?} did_run: {}",
|
|||
resource, prereqs_did_run
|
|||
));
|
|||
logger.trace(format!("Running implementation for {:?}", resource));
|
|||
let implementation = B::create(resource, &location, prereqs);
|
|||
let did_run = implementation
|
|||
.run(
|
|||
&self.symbol_runner,
|
|||
&logger,
|
|||
force_run || location_prereqs_did_run || prereqs_did_run,
|
|||
)
|
|||
.await?;
|
|||
Ok((location, did_run))
|
|||
};
|
|||
logger.write(4, "done.");
|
|||
let max_level = if result.is_err() { 5 } else { 3 };
|
|||
if parent_logger.put(logger.release().into_iter().filter(|e| e.0 <= max_level)) == 0 {
|
|||
parent_logger.write(3, ".");
|
|||
}
|
|||
result
|
|||
}
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl<SR: SymbolRunner, L, B> SymbolRunner for RegularSetupCore<SR, L, B> {
|
|||
async fn run_symbol<S: Symbol + Debug, LOG: Logger>(
|
|||
&self,
|
|||
symbol: &S,
|
|||
parent_logger: &LOG,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>> {
|
|||
let logger = StoringLogger::new();
|
|||
logger.debug(format!("Directly running {:?} ...", symbol));
|
|||
let result = self.symbol_runner.run_symbol(symbol, &logger, force).await;
|
|||
logger.debug("done.");
|
|||
let max_level = if result.is_err() { 5 } else { 3 };
|
|||
parent_logger.put(logger.release().into_iter().filter(|e| e.0 <= max_level));
|
|||
result
|
|||
}
|
|||
}
|
|||
@ -0,0 +1,10 @@ |
|||
mod core;
|
|||
mod util;
|
|||
pub use util::{AddResult, AddableResource};
|
|||
mod symbol_runner;
|
|||
pub use symbol_runner::{
|
|||
DrySymbolRunner, InitializingSymbolRunner, ReportingSymbolRunner, SymbolRunner,
|
|||
};
|
|||
mod runnable;
|
|||
mod setup;
|
|||
pub use setup::Setup;
|
|||
@ -0,0 +1,193 @@ |
|||
use super::SymbolRunner;
|
|||
use crate::loggers::Logger;
|
|||
use crate::symbols::Symbol;
|
|||
use async_trait::async_trait;
|
|||
use std::error::Error;
|
|||
use std::fmt::Debug;
|
|||
|
|||
#[async_trait(?Send)]
|
|||
pub trait Runnable {
|
|||
async fn run<R: SymbolRunner, L: Logger>(
|
|||
&self,
|
|||
runner: &R,
|
|||
logger: &L,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>>;
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl<S> Runnable for S
|
|||
where
|
|||
Self: Symbol + Debug,
|
|||
{
|
|||
async fn run<R: SymbolRunner, L: Logger>(
|
|||
&self,
|
|||
runner: &R,
|
|||
logger: &L,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>> {
|
|||
runner.run_symbol(self, logger, force).await
|
|||
}
|
|||
}
|
|||
|
|||
macro_rules! runnable_for_tuple {
|
|||
( $($name:ident)* ) => (
|
|||
#[async_trait(?Send)]
|
|||
#[allow(non_snake_case)]
|
|||
impl<$($name: Symbol + Debug,)*> Runnable for ($($name,)*) {
|
|||
#[allow(unused)]
|
|||
async fn run<_R: SymbolRunner, _L: Logger>(&self, runner: &_R, logger: &_L, force: bool) -> Result<bool, Box<dyn Error>> {
|
|||
let ($($name,)*) = self;
|
|||
let mut result = false;
|
|||
$(result = runner.run_symbol($name, logger, force || result).await? || result;)*
|
|||
Ok(result)
|
|||
}
|
|||
}
|
|||
);
|
|||
}
|
|||
|
|||
for_each_tuple!(runnable_for_tuple);
|
|||
|
|||
#[cfg(test)]
|
|||
mod test {
|
|||
use super::Runnable;
|
|||
use crate::async_utils::run;
|
|||
use crate::loggers::{Logger, StoringLogger};
|
|||
use crate::symbols::Symbol;
|
|||
use crate::SymbolRunner;
|
|||
use async_trait::async_trait;
|
|||
use std::cell::RefCell;
|
|||
use std::error::Error;
|
|||
use std::fmt::Debug;
|
|||
use std::rc::Rc;
|
|||
|
|||
#[derive(Debug)]
|
|||
struct DummySymbol<T, E> {
|
|||
_target_reached: RefCell<T>,
|
|||
_execute: RefCell<E>,
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl<
|
|||
E: Iterator<Item = Result<(), Box<dyn Error>>>,
|
|||
T: Iterator<Item = Result<bool, Box<dyn Error>>>,
|
|||
> Symbol for DummySymbol<T, E>
|
|||
{
|
|||
async fn target_reached(&self) -> Result<bool, Box<dyn Error>> {
|
|||
self._target_reached.borrow_mut().next().unwrap()
|
|||
}
|
|||
async fn execute(&self) -> Result<(), Box<dyn Error>> {
|
|||
self._execute.borrow_mut().next().unwrap()
|
|||
}
|
|||
}
|
|||
|
|||
impl<
|
|||
E: Iterator<Item = Result<(), Box<dyn Error>>>,
|
|||
T: Iterator<Item = Result<bool, Box<dyn Error>>>,
|
|||
> DummySymbol<T, E>
|
|||
{
|
|||
fn new<
|
|||
IE: IntoIterator<IntoIter = E, Item = Result<(), Box<dyn Error>>>,
|
|||
IT: IntoIterator<IntoIter = T, Item = Result<bool, Box<dyn Error>>>,
|
|||
>(
|
|||
target_reached: IT,
|
|||
execute: IE,
|
|||
) -> Self {
|
|||
Self {
|
|||
_target_reached: RefCell::new(target_reached.into_iter()),
|
|||
_execute: RefCell::new(execute.into_iter()),
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
struct TestSymbolRunner {
|
|||
count: Rc<RefCell<usize>>,
|
|||
}
|
|||
|
|||
fn get_runner() -> (Rc<RefCell<usize>>, TestSymbolRunner) {
|
|||
let count = Rc::new(RefCell::new(0));
|
|||
let runner = TestSymbolRunner {
|
|||
count: Rc::clone(&count),
|
|||
};
|
|||
(count, runner)
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl SymbolRunner for TestSymbolRunner {
|
|||
async fn run_symbol<S: Symbol + Debug, L: Logger>(
|
|||
&self,
|
|||
symbol: &S,
|
|||
logger: &L,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>> {
|
|||
let run = force || !symbol.target_reached().await?;
|
|||
if run {
|
|||
*self.count.borrow_mut() += 1;
|
|||
}
|
|||
Ok(run)
|
|||
}
|
|||
}
|
|||
|
|||
fn run_symbol(
|
|||
runnable: impl Runnable,
|
|||
force: bool,
|
|||
) -> (Rc<RefCell<usize>>, Result<bool, Box<dyn Error>>) {
|
|||
let (count, runner) = get_runner();
|
|||
let res = run(runnable.run(&runner, &StoringLogger::new(), force));
|
|||
(count, res)
|
|||
}
|
|||
|
|||
#[test]
|
|||
fn correctly_handles_symbol_tuples() {
|
|||
let (count, res) = run_symbol(
|
|||
(
|
|||
DummySymbol::new(vec![Ok(false)], vec![Ok(())]),
|
|||
DummySymbol::new(vec![Ok(false)], vec![Ok(())]),
|
|||
),
|
|||
false,
|
|||
);
|
|||
res.unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
|
|||
let (count, res) = run_symbol(
|
|||
(
|
|||
DummySymbol::new(vec![Ok(true)], vec![Ok(())]),
|
|||
DummySymbol::new(vec![Ok(false)], vec![Ok(())]),
|
|||
),
|
|||
false,
|
|||
);
|
|||
res.unwrap();
|
|||
assert_eq!(*count.borrow(), 1);
|
|||
|
|||
// An unreached symbol forces all further symbols
|
|||
let (count, res) = run_symbol(
|
|||
(
|
|||
DummySymbol::new(vec![Ok(false)], vec![Ok(())]),
|
|||
DummySymbol::new(vec![Ok(true)], vec![Ok(())]),
|
|||
),
|
|||
false,
|
|||
);
|
|||
res.unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
|
|||
let (count, res) = run_symbol(
|
|||
(
|
|||
DummySymbol::new(vec![Ok(true)], vec![Ok(())]),
|
|||
DummySymbol::new(vec![Ok(true)], vec![Ok(())]),
|
|||
),
|
|||
false,
|
|||
);
|
|||
res.unwrap();
|
|||
assert_eq!(*count.borrow(), 0);
|
|||
|
|||
let (count, res) = run_symbol(
|
|||
(
|
|||
DummySymbol::new(vec![Ok(true)], vec![Ok(())]),
|
|||
DummySymbol::new(vec![Ok(true)], vec![Ok(())]),
|
|||
),
|
|||
true,
|
|||
);
|
|||
res.unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
}
|
|||
}
|
|||
@ -0,0 +1,300 @@ |
|||
use super::core::{RegularSetupCore, SetupCore};
|
|||
use super::runnable::Runnable;
|
|||
use super::util::{AddResult, AddableResource};
|
|||
use super::SymbolRunner;
|
|||
use crate::async_utils::run;
|
|||
use crate::loggers::Logger;
|
|||
use crate::resources::{DefaultArtifacts, DefaultResources, FromArtifact, FromResource};
|
|||
use crate::{DefaultBuilder, DefaultLocator};
|
|||
use futures::future::FutureExt;
|
|||
use futures::future::Shared;
|
|||
use std::cell::{RefCell, RefMut};
|
|||
use std::collections::HashMap;
|
|||
use std::error::Error;
|
|||
use std::future::Future;
|
|||
use std::hash::Hash;
|
|||
use std::pin::Pin;
|
|||
use std::rc::Rc;
|
|||
|
|||
type Cache<Rs, As> = HashMap<Rs, Shared<Pin<Box<dyn Future<Output = (As, bool)>>>>>;
|
|||
|
|||
#[derive(Debug)]
|
|||
struct SetupInner<CORE, LOG, Rs, As> {
|
|||
core: CORE,
|
|||
logger: LOG,
|
|||
resources: RefCell<Cache<Rs, As>>,
|
|||
}
|
|||
|
|||
#[derive(Debug)]
|
|||
pub struct Setup<
|
|||
SR,
|
|||
LOG,
|
|||
L = DefaultLocator,
|
|||
B = DefaultBuilder,
|
|||
Rs = DefaultResources<'static, &'static str>,
|
|||
As = DefaultArtifacts<'static, &'static str>,
|
|||
>(Rc<SetupInner<RegularSetupCore<SR, L, B>, LOG, Rs, As>>);
|
|||
|
|||
// https://github.com/rust-lang/rust/issues/27336
|
|||
impl<SR, LOG> Setup<SR, LOG> {
|
|||
pub fn new(symbol_runner: SR, logger: LOG) -> Self {
|
|||
Self::new_with(symbol_runner, logger)
|
|||
}
|
|||
}
|
|||
|
|||
impl<L, B, As, SR, LOG, Rs: Hash + Eq> Setup<SR, LOG, L, B, Rs, As> {
|
|||
pub fn new_with(symbol_runner: SR, logger: LOG) -> Self {
|
|||
Self(Rc::new(SetupInner {
|
|||
core: RegularSetupCore::new(symbol_runner),
|
|||
logger,
|
|||
resources: RefCell::default(),
|
|||
}))
|
|||
}
|
|||
}
|
|||
|
|||
impl<
|
|||
L: 'static,
|
|||
B: 'static,
|
|||
SR: 'static,
|
|||
LOG: 'static + Logger,
|
|||
Rs: Hash + Eq + 'static,
|
|||
As: 'static,
|
|||
> Setup<SR, LOG, L, B, Rs, As>
|
|||
{
|
|||
fn borrow_resources(&self) -> RefMut<'_, Cache<Rs, As>> {
|
|||
self.0.resources.borrow_mut()
|
|||
}
|
|||
|
|||
pub(super) async fn add_async<R: AddableResource>(
|
|||
&self,
|
|||
resource: R,
|
|||
force_run: bool,
|
|||
) -> AddResult<R>
|
|||
where
|
|||
Rs: FromResource<R>,
|
|||
As: FromArtifact<R> + Clone,
|
|||
R::Artifact: Clone,
|
|||
RegularSetupCore<SR, L, B>: SetupCore<R, Self>,
|
|||
{
|
|||
let (storable_resource, weak_resource) = Rs::from_resource(resource);
|
|||
let mut resources = self.borrow_resources();
|
|||
if let Some(future) = resources.remove(&storable_resource) {
|
|||
assert!(
|
|||
!force_run,
|
|||
"Forcing to run an already-added resource is a logical error"
|
|||
);
|
|||
resources.insert(storable_resource, future.clone());
|
|||
drop(resources);
|
|||
Ok(future.await)
|
|||
} else {
|
|||
let inner_weak = Rc::downgrade(&self.0);
|
|||
let future = Box::pin(async move {
|
|||
let this = Self(inner_weak.upgrade().expect("Dangling!"));
|
|||
let resource = weak_resource.upgrade().expect("Dangling!");
|
|||
// Need to convert Box<Error> to String for Clone for Shared
|
|||
this
|
|||
.0
|
|||
.core
|
|||
.add(&this, &this.0.logger, resource, force_run)
|
|||
.await
|
|||
.map(|(t, did_run)| (As::from_artifact(t), did_run))
|
|||
.map_err(|e| e.to_string())
|
|||
})
|
|||
.shared();
|
|||
let future_clone = future.clone();
|
|||
resources.insert(
|
|||
storable_resource,
|
|||
(Box::pin(async move { future_clone.await.unwrap() })
|
|||
as Pin<Box<dyn Future<Output = (As, bool)>>>)
|
|||
.shared(),
|
|||
);
|
|||
drop(resources);
|
|||
future.await.map_err(|e| e.into())
|
|||
}
|
|||
.map(|(t, did_run)| (t.into_artifact(), did_run))
|
|||
}
|
|||
|
|||
//
|
|||
// Legacy
|
|||
//
|
|||
pub fn add<R: AddableResource>(&self, resource: R) -> AddResult<R>
|
|||
where
|
|||
RegularSetupCore<SR, L, B>: SetupCore<R, Self>,
|
|||
Rs: FromResource<R>,
|
|||
As: FromArtifact<R> + Clone,
|
|||
R::Artifact: Clone,
|
|||
{
|
|||
run(self.add_async(resource, false))
|
|||
}
|
|||
|
|||
pub fn add_force<R: AddableResource>(&self, resource: R, force_run: bool) -> AddResult<R>
|
|||
where
|
|||
RegularSetupCore<SR, L, B>: SetupCore<R, Self>,
|
|||
Rs: FromResource<R>,
|
|||
As: FromArtifact<R> + Clone,
|
|||
R::Artifact: Clone,
|
|||
{
|
|||
run(self.add_async(resource, force_run))
|
|||
}
|
|||
|
|||
pub fn run_symbol<S: Runnable>(&self, symbol: S, force: bool) -> Result<bool, Box<dyn Error>>
|
|||
where
|
|||
RegularSetupCore<SR, L, B>: SymbolRunner,
|
|||
{
|
|||
run(symbol.run(&self.0.core, &self.0.logger, force))
|
|||
}
|
|||
}
|
|||
|
|||
#[cfg(test)]
|
|||
mod test {
|
|||
use super::SymbolRunner;
|
|||
use crate::loggers::{Logger, StoringLogger};
|
|||
use crate::resources::{FromArtifact, FromResource, Resource};
|
|||
use crate::symbols::Symbol;
|
|||
use crate::to_artifact::ToArtifact;
|
|||
use crate::{ImplementationBuilder, ResourceLocator, Setup};
|
|||
use async_trait::async_trait;
|
|||
use std::cell::RefCell;
|
|||
use std::error::Error;
|
|||
use std::fmt::Debug;
|
|||
use std::rc::{Rc, Weak};
|
|||
|
|||
struct TestSymbolRunner {
|
|||
count: Rc<RefCell<usize>>,
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl SymbolRunner for TestSymbolRunner {
|
|||
async fn run_symbol<S: Symbol + Debug, L: Logger>(
|
|||
&self,
|
|||
symbol: &S,
|
|||
logger: &L,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>> {
|
|||
let run = force || !symbol.target_reached().await?;
|
|||
if run {
|
|||
*self.count.borrow_mut() += 1;
|
|||
}
|
|||
Ok(run)
|
|||
}
|
|||
}
|
|||
|
|||
#[derive(Debug, PartialEq, Eq, Hash)]
|
|||
struct TestResource<T>(&'static str, T);
|
|||
impl<T> Resource for TestResource<T> {
|
|||
type Artifact = ();
|
|||
}
|
|||
|
|||
#[derive(Debug, Hash, PartialEq, Eq)]
|
|||
enum Resources {
|
|||
A(Rc<TestResource<&'static str>>),
|
|||
B(Rc<TestResource<()>>),
|
|||
}
|
|||
impl FromResource<TestResource<&'static str>> for Resources {
|
|||
fn from_resource(from: TestResource<&'static str>) -> (Self, Weak<TestResource<&'static str>>) {
|
|||
let inner = Rc::new(from);
|
|||
(Self::A(Rc::clone(&inner)), Rc::downgrade(&inner))
|
|||
}
|
|||
}
|
|||
impl FromResource<TestResource<()>> for Resources {
|
|||
fn from_resource(from: TestResource<()>) -> (Self, Weak<TestResource<()>>) {
|
|||
let inner = Rc::new(from);
|
|||
(Self::B(Rc::clone(&inner)), Rc::downgrade(&inner))
|
|||
}
|
|||
}
|
|||
|
|||
#[derive(Clone)]
|
|||
struct Artifacts;
|
|||
impl<V> FromArtifact<TestResource<V>> for Artifacts {
|
|||
fn from_artifact(from: ()) -> Self {
|
|||
Self
|
|||
}
|
|||
fn into_artifact(self) -> () {
|
|||
()
|
|||
}
|
|||
}
|
|||
|
|||
struct TestResourceLocator;
|
|||
impl<T> ResourceLocator<TestResource<T>> for TestResourceLocator {
|
|||
type Prerequisites = ();
|
|||
fn locate(_resource: &TestResource<T>) -> (<TestResource<T> as ToArtifact>::Artifact, ()) {
|
|||
((), ())
|
|||
}
|
|||
}
|
|||
|
|||
struct TestImplementationBuilder;
|
|||
impl ImplementationBuilder<TestResource<&'static str>> for TestImplementationBuilder {
|
|||
type Implementation = TestSymbol;
|
|||
type Prerequisites = TestResource<()>;
|
|||
|
|||
fn prerequisites(resource: &TestResource<&'static str>) -> Self::Prerequisites {
|
|||
TestResource(resource.1, ())
|
|||
}
|
|||
fn create(
|
|||
resource: &TestResource<&'static str>,
|
|||
(): &(),
|
|||
_inputs: <Self::Prerequisites as ToArtifact>::Artifact,
|
|||
) -> Self::Implementation {
|
|||
TestSymbol {
|
|||
reached: resource.0.chars().next().unwrap().is_uppercase(),
|
|||
}
|
|||
}
|
|||
}
|
|||
impl ImplementationBuilder<TestResource<()>> for TestImplementationBuilder {
|
|||
type Implementation = TestSymbol;
|
|||
type Prerequisites = ();
|
|||
|
|||
fn prerequisites(_resource: &TestResource<()>) -> Self::Prerequisites {}
|
|||
fn create(resource: &TestResource<()>, (): &(), (): ()) -> Self::Implementation {
|
|||
TestSymbol {
|
|||
reached: resource.0.chars().next().unwrap().is_uppercase(),
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
#[derive(Debug)]
|
|||
struct TestSymbol {
|
|||
reached: bool,
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl Symbol for TestSymbol {
|
|||
async fn target_reached(&self) -> Result<bool, Box<dyn Error>> {
|
|||
Ok(self.reached)
|
|||
}
|
|||
async fn execute(&self) -> Result<(), Box<dyn Error>> {
|
|||
Ok(())
|
|||
}
|
|||
}
|
|||
|
|||
fn get_setup() -> (
|
|||
Rc<RefCell<usize>>,
|
|||
Setup<
|
|||
TestSymbolRunner,
|
|||
StoringLogger,
|
|||
TestResourceLocator,
|
|||
TestImplementationBuilder,
|
|||
Resources,
|
|||
Artifacts,
|
|||
>,
|
|||
) {
|
|||
let count = Rc::new(RefCell::new(0));
|
|||
let runner = TestSymbolRunner {
|
|||
count: Rc::clone(&count),
|
|||
};
|
|||
(count, Setup::new_with(runner, StoringLogger::new()))
|
|||
}
|
|||
|
|||
#[test]
|
|||
fn correctly_uses_force() {
|
|||
let (count, setup) = get_setup();
|
|||
setup.add(TestResource("A", "b")).unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
setup.add(TestResource("A", "b")).unwrap();
|
|||
assert_eq!(*count.borrow(), 2);
|
|||
|
|||
let (count, setup) = get_setup();
|
|||
setup.add(TestResource("A", "B")).unwrap();
|
|||
assert_eq!(*count.borrow(), 0);
|
|||
}
|
|||
}
|
|||
@ -0,0 +1,318 @@ |
|||
use crate::loggers::Logger;
|
|||
use crate::symbols::Symbol;
|
|||
use async_trait::async_trait;
|
|||
use std::error::Error;
|
|||
use std::fmt;
|
|||
use std::fmt::Debug;
|
|||
|
|||
#[async_trait(?Send)]
|
|||
pub trait SymbolRunner {
|
|||
async fn run_symbol<S: Symbol + Debug, L: Logger>(
|
|||
&self,
|
|||
symbol: &S,
|
|||
logger: &L,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>>;
|
|||
}
|
|||
|
|||
#[derive(Debug)]
|
|||
pub enum SymbolRunError {
|
|||
Symbol(Box<dyn Error>),
|
|||
ExecuteDidNotReach(()),
|
|||
}
|
|||
|
|||
impl Error for SymbolRunError {
|
|||
fn cause(&self) -> Option<&dyn Error> {
|
|||
match self {
|
|||
Self::Symbol(ref e) => Some(&**e),
|
|||
Self::ExecuteDidNotReach(_) => None,
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
impl fmt::Display for SymbolRunError {
|
|||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|||
match self {
|
|||
Self::Symbol(ref e) => write!(f, "{}", e),
|
|||
Self::ExecuteDidNotReach(_) => write!(f, "Target not reached after executing symbol"),
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
#[derive(Clone, Debug, Default)]
|
|||
pub struct InitializingSymbolRunner;
|
|||
|
|||
impl InitializingSymbolRunner {
|
|||
pub fn new() -> Self {
|
|||
Self
|
|||
}
|
|||
|
|||
async fn exec_symbol<S: Symbol + Debug, L: Logger>(
|
|||
&self,
|
|||
symbol: &S,
|
|||
logger: &L,
|
|||
) -> Result<(), Box<dyn Error>> {
|
|||
logger.info(format!("Executing {:?}", symbol));
|
|||
symbol.execute().await?;
|
|||
let target_reached = symbol.target_reached().await?;
|
|||
logger.trace(format!(
|
|||
"Symbol reports target_reached: {:?} (should be true)",
|
|||
target_reached
|
|||
));
|
|||
if target_reached {
|
|||
Ok(())
|
|||
} else {
|
|||
Err(Box::new(SymbolRunError::ExecuteDidNotReach(())))
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl SymbolRunner for InitializingSymbolRunner {
|
|||
async fn run_symbol<S: Symbol + Debug, L: Logger>(
|
|||
&self,
|
|||
symbol: &S,
|
|||
logger: &L,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>> {
|
|||
let executed = if force {
|
|||
logger.debug("Forcing symbol execution");
|
|||
self.exec_symbol(symbol, logger).await?;
|
|||
true
|
|||
} else {
|
|||
let target_reached = symbol.target_reached().await?;
|
|||
if target_reached {
|
|||
logger.debug(format!("{:?} already reached", symbol));
|
|||
} else {
|
|||
logger.trace(format!(
|
|||
"Symbol reports target_reached: {:?}",
|
|||
target_reached
|
|||
));
|
|||
self.exec_symbol(symbol, logger).await?;
|
|||
}
|
|||
!target_reached
|
|||
};
|
|||
Ok(executed)
|
|||
}
|
|||
}
|
|||
|
|||
#[derive(Clone, Debug, Default)]
|
|||
pub struct DrySymbolRunner;
|
|||
|
|||
impl DrySymbolRunner {
|
|||
pub fn new() -> Self {
|
|||
Self
|
|||
}
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl SymbolRunner for DrySymbolRunner {
|
|||
async fn run_symbol<S: Symbol + Debug, L: Logger>(
|
|||
&self,
|
|||
symbol: &S,
|
|||
logger: &L,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>> {
|
|||
let would_execute = if force {
|
|||
logger.info(format!("Would force-execute {:?}", symbol));
|
|||
true
|
|||
} else {
|
|||
let target_reached = symbol.target_reached().await?;
|
|||
logger.debug(format!(
|
|||
"Symbol reports target_reached: {:?}",
|
|||
target_reached
|
|||
));
|
|||
if !target_reached {
|
|||
logger.info(format!("Would execute {:?}", symbol));
|
|||
}
|
|||
!target_reached
|
|||
};
|
|||
Ok(would_execute)
|
|||
}
|
|||
}
|
|||
|
|||
#[derive(Clone, Debug)]
|
|||
pub struct ReportingSymbolRunner<R>(R);
|
|||
|
|||
impl<R> ReportingSymbolRunner<R> {
|
|||
pub fn new(symbol_runner: R) -> Self {
|
|||
Self(symbol_runner)
|
|||
}
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl<R> SymbolRunner for ReportingSymbolRunner<R>
|
|||
where
|
|||
R: SymbolRunner,
|
|||
{
|
|||
async fn run_symbol<S: Symbol + Debug, L: Logger>(
|
|||
&self,
|
|||
symbol: &S,
|
|||
logger: &L,
|
|||
force: bool,
|
|||
) -> Result<bool, Box<dyn Error>> {
|
|||
logger.debug(format!("Running symbol {:?}", symbol));
|
|||
let res = self.0.run_symbol(symbol, logger, force).await;
|
|||
if let Err(ref e) = res {
|
|||
logger.info(format!("Failed on {:?} with {}, aborting.", symbol, e))
|
|||
} else {
|
|||
logger.debug(format!("Successfully finished {:?}", symbol))
|
|||
}
|
|||
res
|
|||
}
|
|||
}
|
|||
|
|||
#[cfg(test)]
|
|||
mod test {
|
|||
use super::{DrySymbolRunner, InitializingSymbolRunner, ReportingSymbolRunner, SymbolRunner};
|
|||
use crate::async_utils::sleep;
|
|||
use crate::async_utils::{run, try_join};
|
|||
use crate::loggers::StoringLogger;
|
|||
use crate::symbols::Symbol;
|
|||
use async_trait::async_trait;
|
|||
use std::cell::RefCell;
|
|||
use std::error::Error;
|
|||
use std::fmt;
|
|||
use std::fmt::Debug;
|
|||
use std::time::Duration;
|
|||
|
|||
#[derive(Debug, PartialEq, Clone)]
|
|||
enum DummySymbolError {
|
|||
Error(()),
|
|||
}
|
|||
|
|||
impl Error for DummySymbolError {}
|
|||
|
|||
impl fmt::Display for DummySymbolError {
|
|||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|||
write!(f, "Dummy symbol error")
|
|||
}
|
|||
}
|
|||
|
|||
#[derive(Debug)]
|
|||
struct DummySymbol<T, E> {
|
|||
_target_reached: RefCell<T>,
|
|||
_execute: RefCell<E>,
|
|||
}
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl<
|
|||
E: Iterator<Item = Result<(), Box<dyn Error>>>,
|
|||
T: Iterator<Item = Result<bool, Box<dyn Error>>>,
|
|||
> Symbol for DummySymbol<T, E>
|
|||
{
|
|||
async fn target_reached(&self) -> Result<bool, Box<dyn Error>> {
|
|||
self._target_reached.borrow_mut().next().unwrap()
|
|||
}
|
|||
async fn execute(&self) -> Result<(), Box<dyn Error>> {
|
|||
self._execute.borrow_mut().next().unwrap()
|
|||
}
|
|||
}
|
|||
|
|||
impl<
|
|||
E: Iterator<Item = Result<(), Box<dyn Error>>>,
|
|||
T: Iterator<Item = Result<bool, Box<dyn Error>>>,
|
|||
> DummySymbol<T, E>
|
|||
{
|
|||
fn new<
|
|||
IE: IntoIterator<IntoIter = E, Item = Result<(), Box<dyn Error>>>,
|
|||
IT: IntoIterator<IntoIter = T, Item = Result<bool, Box<dyn Error>>>,
|
|||
>(
|
|||
target_reached: IT,
|
|||
execute: IE,
|
|||
) -> Self {
|
|||
Self {
|
|||
_target_reached: RefCell::new(target_reached.into_iter()),
|
|||
_execute: RefCell::new(execute.into_iter()),
|
|||
}
|
|||
}
|
|||
}
|
|||
|
|||
fn run_symbol<S: Symbol + Debug>(s: S) -> Result<bool, Box<dyn Error>> {
|
|||
run(InitializingSymbolRunner::new().run_symbol(&s, &StoringLogger::new(), false))
|
|||
}
|
|||
|
|||
#[test]
|
|||
fn nothing_needed_to_be_done() {
|
|||
let result = run_symbol(DummySymbol::new(vec![Ok(true)], vec![Ok(())]));
|
|||
assert!(result.is_ok());
|
|||
}
|
|||
|
|||
#[test]
|
|||
fn everything_is_ok() {
|
|||
let result = run_symbol(DummySymbol::new(vec![Ok(false), Ok(true)], vec![Ok(())]));
|
|||
assert!(result.is_ok());
|
|||
}
|
|||
|
|||
#[test]
|
|||
fn executing_did_not_change_state() {
|
|||
let result = run_symbol(DummySymbol::new(vec![Ok(false), Ok(false)], vec![Ok(())]));
|
|||
assert_eq!(
|
|||
result.unwrap_err().to_string(),
|
|||
"Target not reached after executing symbol"
|
|||
);
|
|||
}
|
|||
|
|||
#[test]
|
|||
fn executing_did_not_work() {
|
|||
let result = run_symbol(DummySymbol::new(
|
|||
vec![Ok(false)],
|
|||
vec![Err(Box::new(DummySymbolError::Error(())) as Box<dyn Error>)],
|
|||
));
|
|||
assert_eq!(result.unwrap_err().to_string(), "Dummy symbol error");
|
|||
}
|
|||
|
|||
#[derive(Debug)]
|
|||
struct SleeperSymbol;
|
|||
|
|||
#[async_trait(?Send)]
|
|||
impl Symbol for SleeperSymbol {
|
|||
async fn target_reached(&self) -> Result<bool, Box<dyn Error>> {
|
|||
sleep(Duration::from_millis(0)).await;
|
|||
Ok(true)
|
|||
}
|
|||
async fn execute(&self) -> Result<(), Box<dyn Error>> {
|
|||
unimplemented!();
|
|||
}
|
|||
}
|
|||
|
|||
#[test]
|
|||
fn actually_support_parallel_execution() {
|
|||
run(async {
|
|||
let s1 = SleeperSymbol;
|
|||
let s2 = DummySymbol::new(vec![Ok(false), Ok(true)], vec![Ok(())]);
|
|||
|
|||
let l1 = StoringLogger::new();
|
|||
let l2 = StoringLogger::new();
|
|||
let runner1 = InitializingSymbolRunner::new();
|
|||
let result = try_join!(
|
|||
runner1.run_symbol(&s1, &l1, false),
|
|||
runner1.run_symbol(&s2, &l2, false),
|
|||
)
|
|||
.unwrap();
|
|||
assert_eq!(result, (false, true));
|
|||
|
|||
let s2 = DummySymbol::new(vec![Ok(false), Ok(true)], vec![Ok(())]);
|
|||
let l1 = StoringLogger::new();
|
|||
let l2 = StoringLogger::new();
|
|||
let runner2 = DrySymbolRunner::new();
|
|||
let result = try_join!(
|
|||
runner2.run_symbol(&s1, &l1, false),
|
|||
runner2.run_symbol(&s2, &l2, false),
|
|||
)
|
|||
.unwrap();
|
|||
assert_eq!(result, (false, true));
|
|||
|
|||
let s2 = DummySymbol::new(vec![Ok(false), Ok(true)], vec![Ok(())]);
|
|||
let l1 = StoringLogger::new();
|
|||
let l2 = StoringLogger::new();
|
|||
let runner3 = ReportingSymbolRunner::new(runner1);
|
|||
let result = try_join!(
|
|||
runner3.run_symbol(&s1, &l1, false),
|
|||
runner3.run_symbol(&s2, &l2, false),
|
|||
)
|
|||
.unwrap();
|
|||
assert_eq!(result, (false, true));
|
|||
});
|
|||
}
|
|||
}
|
|||
@ -0,0 +1,9 @@ |
|||
use crate::resources::Resource;
|
|||
use crate::to_artifact::ToArtifact;
|
|||
use std::error::Error;
|
|||
use std::fmt::Debug;
|
|||
|
|||
pub trait AddableResource: 'static + Resource + Debug {}
|
|||
impl<R> AddableResource for R where R: 'static + Resource + Debug {}
|
|||
|
|||
pub type AddResult<R> = Result<(<R as ToArtifact>::Artifact, bool), Box<dyn Error>>;
|
|||
@ -1,4 +1,4 @@ |
|||
mod checkout;
|
|||
//pub mod submodules;
|
|||
pub mod submodules;
|
|||
|
|||
pub use checkout::Checkout;
|
|||
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