New architecture

tests/setup.rs

@@ -0,0 +1,72 @@
+use schematics::resources::{Cert, Csr, GitCheckout};
+use schematics::schema::SymbolRunner;
+use schematics::symbols::Symbol;
+use schematics::Setup;
+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>> {
+    *self.count.borrow_mut() += 1;
+    Ok(false)
+  }
+}
+
+#[test]
+fn runs_only_once() {
+  let count = Rc::new(RefCell::new(0));
+  let runner = TestSymbolRunner {
+    count: Rc::clone(&count),
+  };
+  let mut setup = Setup::new(runner);
+  assert_eq!(
+    (setup.add(Csr("somehost")).unwrap().0).0.to_str().unwrap(),
+    "/etc/ssl/local_certs/somehost.csr",
+  );
+  assert_eq!(
+    (setup.add(Csr("somehost")).unwrap().0).0.to_str().unwrap(),
+    "/etc/ssl/local_certs/somehost.csr",
+  );
+  assert_eq!(*count.borrow(), 2 + 5); // Key and CSR + 5 dirs
+}
+
+#[test]
+fn can_create_an_acme_cert() {
+  let count = Rc::new(RefCell::new(0));
+  let runner = TestSymbolRunner {
+    count: Rc::clone(&count),
+  };
+  let mut setup = Setup::new(runner);
+  assert_eq!(
+    (setup.add(Cert("somehost")).unwrap().0).0.to_str().unwrap(),
+    "/etc/ssl/local_certs/somehost.crt",
+  );
+  assert_eq!(*count.borrow(), 15);
+}
+
+#[test]
+fn can_create_a_git_checkout() {
+  let count = Rc::new(RefCell::new(0));
+  let runner = TestSymbolRunner {
+    count: Rc::clone(&count),
+  };
+  let mut setup = Setup::new(runner);
+  setup
+    .add(GitCheckout(
+      "/tmp/somepath".into(),
+      "/tmp/some_src_repo",
+      "master",
+    ))
+    .unwrap();
+  assert_eq!(*count.borrow(), 3);
+}