Initial Dever 0.0.1

test/rust/native/task/select.rs

@@ -0,0 +1,71 @@
+use super::{Directory, fixture};
+use dever::compiler::{build, project::Project};
+
+#[test]
+fn selection_executes_nullable_multi_output_unit_and_expired_branches() {
+    let directory = Directory::new();
+    let project = Project::load(&fixture().with_file_name("task-select.dever")).unwrap();
+    let program = project.check().unwrap();
+    let binary = build::build(
+        &program,
+        &project.sources,
+        "verify",
+        &directory.0.join("selection"),
+    )
+    .unwrap();
+    let result = std::process::Command::new(binary).output().unwrap();
+    assert!(
+        result.status.success(),
+        "{}",
+        String::from_utf8_lossy(&result.stderr)
+    );
+    assert_eq!(result.stdout, b"true\n");
+}
+
+#[test]
+fn selection_preserves_fault_sources_and_argument_failures() {
+    let directory = Directory::new();
+    let project = Project::load(&fixture().with_file_name("task-select.dever")).unwrap();
+    let program = project.check().unwrap();
+    for (entry, needle, message) in [
+        (
+            "timeoutFault",
+            "ValueResult.Failed(\"worker\")",
+            "ValueResult.Failed",
+        ),
+        (
+            "raceFault",
+            "ValueResult.Failed(\"worker\")",
+            "ValueResult.Failed",
+        ),
+        (
+            "argumentFault",
+            "ValueResult.Failed(\"argument\")",
+            "ValueResult.Failed",
+        ),
+        (
+            "raceArgumentFault",
+            "ValueResult.Failed(\"argument\")",
+            "ValueResult.Failed",
+        ),
+        (
+            "invalidTimeout",
+            "timeout(run(dever.task.sleep(60000)), 0",
+            "timeout duration must be positive",
+        ),
+    ] {
+        let binary =
+            build::build(&program, &project.sources, entry, &directory.0.join(entry)).unwrap();
+        let result = std::process::Command::new(binary).output().unwrap();
+        assert!(!result.status.success());
+        assert!(result.stdout.is_empty());
+        let source = &project.sources[0];
+        let (line, column) = source.position(source.text.find(needle).unwrap());
+        let error = String::from_utf8(result.stderr).unwrap();
+        assert!(error.contains(message), "{entry}: {error}");
+        assert!(
+            error.contains(&format!("task-select.dever:{line}:{column}:")),
+            "{entry}: {error}"
+        );
+    }
+}