Initial Dever 0.0.1

test/rust/compiler/job/mod.rs

@@ -0,0 +1,67 @@
+use super::{database::ERROR, package::packages};
+
+mod tasks;
+
+fn checked(
+    app: &str,
+    job: &str,
+    api: &str,
+) -> Result<dever::compiler::model::Program, dever::syntax::diagnostic::Diagnostic> {
+    packages(&[
+        ("dever.database", ERROR),
+        ("demo.queue.app", app),
+        ("demo.queue.job", job),
+        ("demo.queue.api", api),
+    ])
+}
+
+const APP: &str = "type Payload { name: Text }\nsubmit(key: Text) (id: Id) { id = dever.job.enqueue(job.publish, Payload { name = key }, key) }\napply(input: Payload) () {}";
+const JOB: &str = "database default\njob publish(input: app.Payload) () retry(2) timeout(1000) { app.apply(input) }";
+
+#[test]
+fn persistent_job_is_a_separate_entry_and_not_a_synchronous_call() {
+    let program = checked(APP, JOB, "cmd submit = app.submit").unwrap();
+    assert_eq!(program.jobs.len(), 1);
+    let job = &program.jobs[0];
+    assert_eq!(job.name, "demo.queue.job.publish");
+    assert!(program.entries().any(|entry| entry == job.function));
+    assert!(
+        program.functions[program.commands[0].function]
+            .signature
+            .effects
+            .enqueue
+    );
+    let called = APP.replace(
+        "dever.job.enqueue(job.publish, Payload { name = key }, key)",
+        "job.publish(Payload { name = key })",
+    );
+    assert!(checked(&called, JOB, "cmd submit = app.submit").is_err());
+    assert!(checked(APP, JOB, "public post submit = app.submit").is_err());
+}
+
+#[test]
+fn job_contract_rejects_bad_policy_payload_effects_and_schedules() {
+    for job in [
+        JOB.replace("retry(2)", "retry(0)"),
+        JOB.replace("timeout(1000)", "timeout(0)"),
+        JOB.replace("database default\n", ""),
+        JOB.replace("app.apply(input)", "dever.sleep(1)"),
+        format!("{JOB}\nschedule publish = \"* * * * *\""),
+    ] {
+        assert!(
+            checked(APP, &job, "cmd submit = app.submit").is_err(),
+            "{job}"
+        );
+    }
+    let secret = APP.replace("name: Text", "name: Secret");
+    assert!(checked(&secret, JOB, "cmd submit = app.submit").is_err());
+    let app = "run() () {}";
+    let jobs = "database default\njob cleanup() () retry(1) timeout(100) { app.run() }\nschedule cleanup = \"*/5 * * * *\"";
+    let program = checked(app, jobs, "").unwrap();
+    assert_eq!(program.schedules.len(), 1);
+    let features =
+        dever::compiler::build::runtime_features(&program, &program.reachable(program.entries()));
+    assert!(features.contains(&"database"));
+    assert_eq!(features.contains(&"postgres"), cfg!(feature = "postgres"));
+    assert!(checked(app, &jobs.replace("*/5", "*/0"), "").is_err());
+}