Stop running pub get at gclient sync time and fix build bugs

mojo/public/dart/third_party/test/test/runner/isolate_listener_test.dart

Index: mojo/public/dart/third_party/test/test/runner/isolate_listener_test.dart
diff --git a/mojo/public/dart/third_party/test/test/runner/isolate_listener_test.dart b/mojo/public/dart/third_party/test/test/runner/isolate_listener_test.dart
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index 0000000000000000000000000000000000000000..2853725b380017d8c3fe8c376dc3dde9b89cacee
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+// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+@TestOn("vm")
+
+import 'dart:async';
+import 'dart:isolate';
+
+import 'package:test/src/backend/invoker.dart';
+import 'package:test/src/backend/live_test.dart';
+import 'package:test/src/backend/metadata.dart';
+import 'package:test/src/backend/state.dart';
+import 'package:test/src/backend/suite.dart';
+import 'package:test/src/runner/vm/isolate_listener.dart';
+import 'package:test/src/runner/vm/isolate_test.dart';
+import 'package:test/src/util/remote_exception.dart';
+import 'package:test/test.dart';
+
+import '../utils.dart';
+
+/// An isolate that's been spun up for the current test.
+///
+/// This is tracked so that it can be killed once the test is done.
+Isolate _isolate;
+
+/// A live test that's running for the current test.
+///
+/// This is tracked so that it can be closed once the test is done.
+LiveTest _liveTest;
+
+void main() {
+  tearDown(() {
+    if (_isolate != null) _isolate.kill();
+    _isolate = null;
+
+    if (_liveTest != null) _liveTest.close();
+    _liveTest = null;
+  });
+
+  test("sends a list of available tests on startup", () async {
+    var response = await (await _spawnIsolate(_successfulTests)).first;
+    expect(response, containsPair("type", "success"));
+    expect(response, contains("tests"));
+
+    var tests = response["tests"];
+    expect(tests, hasLength(3));
+    expect(tests[0], containsPair("name", "successful 1"));
+    expect(tests[1], containsPair("name", "successful 2"));
+    expect(tests[2], containsPair("name", "successful 3"));
+  });
+
+  test("waits for a returned future sending a response", () async {
+    var response = await (await _spawnIsolate(_asyncTests)).first;
+    expect(response, containsPair("type", "success"));
+    expect(response, contains("tests"));
+
+    var tests = response["tests"];
+    expect(tests, hasLength(3));
+    expect(tests[0], containsPair("name", "successful 1"));
+    expect(tests[1], containsPair("name", "successful 2"));
+    expect(tests[2], containsPair("name", "successful 3"));
+  });
+
+  test("sends an error response if loading fails", () async {
+    var response = await (await _spawnIsolate(_loadError)).first;
+    expect(response, containsPair("type", "error"));
+    expect(response, contains("error"));
+
+    var error = RemoteException.deserialize(response["error"]).error;
+    expect(error.message, equals("oh no"));
+    expect(error.type, equals("String"));
+  });
+
+  test("sends an error response on a NoSuchMethodError", () async {
+    var response = await (await _spawnIsolate(_noSuchMethodError)).first;
+    expect(response, containsPair("type", "loadException"));
+    expect(response,
+        containsPair("message", "No top-level main() function defined."));
+  });
+
+  test("sends an error response on non-function main", () async {
+    var response = await (await _spawnIsolate(_nonFunction)).first;
+    expect(response, containsPair("type", "loadException"));
+    expect(response,
+        containsPair("message", "Top-level main getter is not a function."));
+  });
+
+  test("sends an error response on wrong-arity main", () async {
+    var response = await (await _spawnIsolate(_wrongArity)).first;
+    expect(response, containsPair("type", "loadException"));
+    expect(
+        response,
+        containsPair(
+            "message",
+            "Top-level main() function takes arguments."));
+  });
+
+  group("in a successful test", () {
+    test("the state changes from pending to running to complete", () async {
+      var liveTest = await _isolateTest(_successfulTests);
+      liveTest.onError.listen(expectAsync((_) {}, count: 0));
+
+      expect(liveTest.state,
+          equals(const State(Status.pending, Result.success)));
+
+      var future = liveTest.run();
+      expect(liveTest.state,
+          equals(const State(Status.running, Result.success)));
+
+      await future;
+      expect(liveTest.state,
+          equals(const State(Status.complete, Result.success)));
+    });
+
+    test("onStateChange fires for each state change", () async {
+      var liveTest = await _isolateTest(_successfulTests);
+      liveTest.onError.listen(expectAsync((_) {}, count: 0));
+
+      var first = true;
+      liveTest.onStateChange.listen(expectAsync((state) {
+        if (first) {
+          expect(state.status, equals(Status.running));
+          first = false;
+        } else {
+          expect(state.status, equals(Status.complete));
+        }
+        expect(state.result, equals(Result.success));
+      }, count: 2, max: 2));
+
+      await liveTest.run();
+    });
+  });
+
+  group("in a test with failures", () {
+    test("a failure reported causes the test to fail", () async {
+      var liveTest = await _isolateTest(_failingTest);
+      expectSingleFailure(liveTest);
+      await liveTest.run();
+    });
+
+    test("a failure reported asynchronously after the test causes it to error",
+        () async {
+      var liveTest = await _isolateTest(_failAfterSucceedTest);
+      expectStates(liveTest, [
+        const State(Status.running, Result.success),
+        const State(Status.complete, Result.success),
+        const State(Status.complete, Result.failure),
+        const State(Status.complete, Result.error)
+      ]);
+
+      expectErrors(liveTest, [(error) {
+        expect(lastState,
+            equals(const State(Status.complete, Result.failure)));
+        expect(error, isTestFailure("oh no"));
+      }, (error) {
+        expect(lastState, equals(const State(Status.complete, Result.error)));
+        expect(error, isRemoteException(
+             "This test failed after it had already completed. Make sure to "
+                 "use [expectAsync]\n"
+             "or the [completes] matcher when testing async code."));
+      }]);
+
+      await liveTest.run();
+    });
+
+    test("multiple asynchronous failures are reported", () async {
+      var liveTest = await _isolateTest(_multiFailTest);
+      expectStates(liveTest, [
+        const State(Status.running, Result.success),
+        const State(Status.complete, Result.failure)
+      ]);
+
+      expectErrors(liveTest, [(error) {
+        expect(lastState.status, equals(Status.complete));
+        expect(error, isTestFailure("one"));
+      }, (error) {
+        expect(error, isTestFailure("two"));
+      }, (error) {
+        expect(error, isTestFailure("three"));
+      }, (error) {
+        expect(error, isTestFailure("four"));
+      }]);
+
+      await liveTest.run();
+    });
+  });
+
+  group("in a test with errors", () {
+    test("an error reported causes the test to error", () async {
+      var liveTest = await _isolateTest(_errorTest);
+      expectStates(liveTest, [
+        const State(Status.running, Result.success),
+        const State(Status.complete, Result.error)
+      ]);
+
+      expectErrors(liveTest, [(error) {
+        expect(lastState.status, equals(Status.complete));
+        expect(error, isRemoteException("oh no"));
+      }]);
+
+      await liveTest.run();
+    });
+
+    test("an error reported asynchronously after the test causes it to error",
+        () async {
+      var liveTest = await _isolateTest(_errorAfterSucceedTest);
+      expectStates(liveTest, [
+        const State(Status.running, Result.success),
+        const State(Status.complete, Result.success),
+        const State(Status.complete, Result.error)
+      ]);
+
+      expectErrors(liveTest, [(error) {
+        expect(lastState,
+            equals(const State(Status.complete, Result.error)));
+        expect(error, isRemoteException("oh no"));
+      }, (error) {
+        expect(error, isRemoteException(
+             "This test failed after it had already completed. Make sure to "
+                 "use [expectAsync]\n"
+             "or the [completes] matcher when testing async code."));
+      }]);
+
+      await liveTest.run();
+    });
+
+    test("multiple asynchronous errors are reported", () async {
+      var liveTest = await _isolateTest(_multiErrorTest);
+      expectStates(liveTest, [
+        const State(Status.running, Result.success),
+        const State(Status.complete, Result.error)
+      ]);
+
+      expectErrors(liveTest, [(error) {
+        expect(lastState.status, equals(Status.complete));
+        expect(error, isRemoteException("one"));
+      }, (error) {
+        expect(error, isRemoteException("two"));
+      }, (error) {
+        expect(error, isRemoteException("three"));
+      }, (error) {
+        expect(error, isRemoteException("four"));
+      }]);
+
+      await liveTest.run();
+    });
+  });
+
+  test("forwards a test's prints", () async {
+    var liveTest = await _isolateTest(_printTest);
+    expect(liveTest.onPrint.take(2).toList(),
+        completion(equals(["Hello,", "world!"])));
+
+    await liveTest.run();
+  });
+}
+
+/// Loads the first test defined in [entryPoint] in another isolate.
+///
+/// This test will be automatically closed when the test is finished.
+Future<LiveTest> _isolateTest(void entryPoint(SendPort sendPort)) async {
+  var response = await (await _spawnIsolate(entryPoint)).first;
+  expect(response, containsPair("type", "success"));
+
+  var testMap = response["tests"].first;
+  var metadata = new Metadata.deserialize(testMap["metadata"]);
+  var test = new IsolateTest(testMap["name"], metadata, testMap["sendPort"]);
+  var suite = new Suite([test]);
+  _liveTest = test.load(suite);
+  return _liveTest;
+}
+
+/// Spawns an isolate from [entryPoint], sends it a new [SendPort], and returns
+/// the corresponding [ReceivePort].
+///
+/// This isolate will be automatically killed when the test is finished.
+Future<ReceivePort> _spawnIsolate(void entryPoint(SendPort sendPort)) async {
+  var receivePort = new ReceivePort();
+  var isolate = await Isolate.spawn(entryPoint, receivePort.sendPort);
+  _isolate = isolate;
+  return receivePort;
+}
+
+/// An isolate entrypoint that throws immediately.
+void _loadError(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () => throw 'oh no');
+}
+
+/// An isolate entrypoint that throws a NoSuchMethodError.
+void _noSuchMethodError(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () =>
+      throw new NoSuchMethodError(null, #main, [], {}));
+}
+
+/// An isolate entrypoint that returns a non-function.
+void _nonFunction(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => null);
+}
+
+/// An isolate entrypoint that returns a function with the wrong arity.
+void _wrongArity(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => (_) {});
+}
+
+/// An isolate entrypoint that defines three tests that succeed.
+void _successfulTests(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () {
+    test("successful 1", () {});
+    test("successful 2", () {});
+    test("successful 3", () {});
+  });
+}
+
+/// An isolate entrypoint that defines three tests asynchronously.
+void _asyncTests(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () {
+    return new Future(() {
+      test("successful 1", () {});
+
+      return new Future(() {
+        test("successful 2", () {});
+
+        return new Future(() {
+          test("successful 3", () {});
+        });
+      });
+    });
+  });
+}
+
+/// An isolate entrypoint that defines a test that fails.
+void _failingTest(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () {
+    test("failure", () => throw new TestFailure('oh no'));
+  });
+}
+
+/// An isolate entrypoint that defines a test that fails after succeeding.
+void _failAfterSucceedTest(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () {
+    test("fail after succeed", () {
+      pumpEventQueue().then((_) {
+        throw new TestFailure('oh no');
+      });
+    });
+  });
+}
+
+/// An isolate entrypoint that defines a test that fails multiple times.
+void _multiFailTest(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () {
+    test("multiple failures", () {
+      Invoker.current.addOutstandingCallback();
+      new Future(() => throw new TestFailure("one"));
+      new Future(() => throw new TestFailure("two"));
+      new Future(() => throw new TestFailure("three"));
+      new Future(() => throw new TestFailure("four"));
+    });
+  });
+}
+
+/// An isolate entrypoint that defines a test that errors.
+void _errorTest(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () {
+    test("error", () => throw 'oh no');
+  });
+}
+
+/// An isolate entrypoint that defines a test that errors after succeeding.
+void _errorAfterSucceedTest(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () {
+    test("error after succeed", () {
+      pumpEventQueue().then((_) {
+        throw 'oh no';
+      });
+    });
+  });
+}
+
+/// An isolate entrypoint that defines a test that errors multiple times.
+void _multiErrorTest(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () {
+    test("multiple errors", () {
+      Invoker.current.addOutstandingCallback();
+      new Future(() => throw "one");
+      new Future(() => throw "two");
+      new Future(() => throw "three");
+      new Future(() => throw "four");
+    });
+  });
+}
+
+/// An isolate entrypoint that defines a test that prints twice.
+void _printTest(SendPort sendPort) {
+  IsolateListener.start(sendPort, new Metadata(), () => () {
+    test("prints", () {
+      print("Hello,");
+      return new Future(() => print("world!"));
+    });
+  });
+}
+