Initial Dever 0.0.1

test/rust/native/net.rs

@@ -0,0 +1,59 @@
+use super::{Directory, fixture};
+use dever::compiler::{build, project::Project};
+
+#[test]
+fn native_tcp_echo_streams_cancellation_and_aliases() {
+    let directory = Directory::new();
+    let project = Project::load(&fixture().with_file_name("net.dever")).unwrap();
+    let program = project.check().unwrap();
+    for (entry, expected) in [
+        ("echo", "true\n"),
+        ("connections", "true\n"),
+        ("cancelVerify", "true\n"),
+        ("aliasClose", "true\n"),
+        ("nullable", "None\n"),
+    ] {
+        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(),
+            "{entry}: {}",
+            String::from_utf8_lossy(&result.stderr)
+        );
+        assert_eq!(result.stdout, expected.as_bytes(), "{entry}");
+    }
+}
+
+#[test]
+fn network_failures_preserve_official_source_and_business_identity() {
+    let directory = Directory::new();
+    let project = Project::load(&fixture().with_file_name("net.dever")).unwrap();
+    let program = project.check().unwrap();
+    let binary = build::build(
+        &program,
+        &project.sources,
+        "invalid",
+        &directory.0.join("invalid"),
+    )
+    .unwrap();
+    let result = std::process::Command::new(binary).output().unwrap();
+    assert!(!result.status.success());
+    let error = String::from_utf8(result.stderr).unwrap();
+    assert!(error.contains("ConnectResult.Failed"), "{error}");
+    let source = project
+        .sources
+        .iter()
+        .find(|source| source.path.ends_with("lib/dever/net/socket.dever"))
+        .unwrap();
+    let offset = source
+        .text
+        .find("fail(ConnectResult.Failed(message))")
+        .unwrap()
+        + "fail(".len();
+    let (line, column) = source.position(offset);
+    assert!(
+        error.contains(&format!("{}:{line}:{column}:", source.path.display())),
+        "{error}"
+    );
+}