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Unified Diff: utils/tests/pub/error_group_test.dart

Issue 14297021: Move pub into sdk/lib/_internal. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Disallow package: imports of pub. Created 7 years, 8 months ago
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Index: utils/tests/pub/error_group_test.dart
diff --git a/utils/tests/pub/error_group_test.dart b/utils/tests/pub/error_group_test.dart
deleted file mode 100644
index 3460ddd9c55deeac94f4d0fc6e8a79d7045c1eba..0000000000000000000000000000000000000000
--- a/utils/tests/pub/error_group_test.dart
+++ /dev/null
@@ -1,429 +0,0 @@
-// Copyright (c) 2013, 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.
-
-library error_group_test;
-
-import 'dart:async';
-
-import 'package:unittest/unittest.dart';
-
-import '../../pub/error_group.dart';
-import '../../pub/utils.dart';
-
-ErrorGroup errorGroup;
-
-// TODO(nweiz): once there's a global error handler, we should test that it does
-// and does not get called at appropriate times. See issue 5958.
-//
-// One particular thing we should test that has no tests now is that a stream
-// that has a subscription added and subsequently canceled counts as having no
-// listeners.
-
-main() {
- group('with no futures or streams', () {
- setUp(() {
- errorGroup = new ErrorGroup();
- });
-
- test('should pass signaled errors to .done', () {
- expect(errorGroup.done, throwsFormatException);
- errorGroup.signalError(new FormatException());
- });
-
- test("shouldn't allow additional futures or streams once an error has been "
- "signaled", () {
- expect(errorGroup.done, throwsFormatException);
- errorGroup.signalError(new FormatException());
-
- expect(() => errorGroup.registerFuture(new Future.value()),
- throwsStateError);
- expect(() => errorGroup.registerStream(new StreamController().stream),
- throwsStateError);
- });
- });
-
- group('with a single future', () {
- Completer completer;
- Future future;
-
- setUp(() {
- errorGroup = new ErrorGroup();
- completer = new Completer();
- future = errorGroup.registerFuture(completer.future);
- });
-
- test('should pass through a value from the future', () {
- expect(future, completion(equals('value')));
- expect(errorGroup.done, completes);
- completer.complete('value');
- });
-
- test("shouldn't allow additional futures or streams once .done has "
- "been called", () {
- completer.complete('value');
-
- expect(() => errorGroup.registerFuture(new Future.value()),
- throwsStateError);
- expect(() => errorGroup.registerStream(new StreamController().stream),
- throwsStateError);
- });
-
- test('should pass through an exception from the future if it has a '
- 'listener', () {
- expect(future, throwsFormatException);
- // errorGroup shouldn't top-level the exception
- completer.completeError(new FormatException());
- });
-
- test('should notify the error group of an exception from the future even '
- 'if it has a listener', () {
- expect(future, throwsFormatException);
- expect(errorGroup.done, throwsFormatException);
- completer.completeError(new FormatException());
- });
-
- test('should pass a signaled exception to the future if it has a listener '
- 'and should ignore a subsequent value from that future', () {
- expect(future, throwsFormatException);
- // errorGroup shouldn't top-level the exception
- errorGroup.signalError(new FormatException());
- completer.complete('value');
- });
-
- test('should pass a signaled exception to the future if it has a listener '
- 'and should ignore a subsequent exception from that future', () {
- expect(future, throwsFormatException);
- // errorGroup shouldn't top-level the exception
- errorGroup.signalError(new FormatException());
- completer.completeError(new ArgumentError());
- });
-
- test('should notify the error group of a signaled exception even if the '
- 'future has a listener', () {
- expect(future, throwsFormatException);
- expect(errorGroup.done, throwsFormatException);
- errorGroup.signalError(new FormatException());
- });
-
- test("should complete .done if the future receives a value even if the "
- "future doesn't have a listener", () {
- expect(errorGroup.done, completes);
- completer.complete('value');
-
- // A listener added afterwards should receive the value
- expect(errorGroup.done.then((_) => future),
- completion(equals('value')));
- });
-
- test("should pipe an exception from the future to .done if the future "
- "doesn't have a listener", () {
- expect(errorGroup.done, throwsFormatException);
- completer.completeError(new FormatException());
-
- // A listener added afterwards should receive the exception
- expect(errorGroup.done.catchError((_) {
- expect(future, throwsFormatException);
- }), completes);
- });
-
- test("should pass a signaled exception to .done if the future doesn't have "
- "a listener",
- () {
- expect(errorGroup.done, throwsFormatException);
- errorGroup.signalError(new FormatException());
-
- // A listener added afterwards should receive the exception
- expect(errorGroup.done.catchError((_) {
- completer.complete('value'); // should be ignored
- expect(future, throwsFormatException);
- }), completes);
- });
- });
-
- group('with multiple futures', () {
- Completer completer1;
- Completer completer2;
- Future future1;
- Future future2;
-
- setUp(() {
- errorGroup = new ErrorGroup();
- completer1 = new Completer();
- completer2 = new Completer();
- future1 = errorGroup.registerFuture(completer1.future);
- future2 = errorGroup.registerFuture(completer2.future);
- });
-
- test("should pipe exceptions from one future to the other and to "
- ".complete", () {
- expect(future1, throwsFormatException);
- expect(future2, throwsFormatException);
- expect(errorGroup.done, throwsFormatException);
-
- completer1.completeError(new FormatException());
- });
-
- test("each future should be able to complete with a value "
- "independently", () {
- expect(future1, completion(equals('value1')));
- expect(future2, completion(equals('value2')));
- expect(errorGroup.done, completes);
-
- completer1.complete('value1');
- completer2.complete('value2');
- });
-
- test("shouldn't throw a top-level exception if a future receives an error "
- "after the other listened future completes", () {
- expect(future1, completion(equals('value')));
- completer1.complete('value');
-
- expect(future1.then((_) {
- // shouldn't cause a top-level exception
- completer2.completeError(new FormatException());
- }), completes);
- });
-
- test("shouldn't throw a top-level exception if an error is signaled after "
- "one listened future completes", () {
- expect(future1, completion(equals('value')));
- completer1.complete('value');
-
- expect(future1.then((_) {
- // shouldn't cause a top-level exception
- errorGroup.signalError(new FormatException());
- }), completes);
- });
- });
-
- group('with a single stream', () {
- StreamController controller;
- Stream stream;
-
- setUp(() {
- errorGroup = new ErrorGroup();
- controller = new StreamController();
- stream = errorGroup.registerStream(controller.stream.asBroadcastStream());
- });
-
- test('should pass through values from the stream', () {
- expect(stream.elementAt(0), completion(equals(1)));
- expect(stream.elementAt(1), completion(equals(2)));
- expect(errorGroup.done, completes);
-
- controller..add(1)..add(2)..close();
- });
-
- test('should pass through an error from the stream if it has a '
- 'listener', () {
- expect(stream.first, throwsFormatException);
- // errorGroup shouldn't top-level the exception
- controller.addError(new FormatException());
- });
-
- test('should notify the error group of an exception from the stream even '
- 'if it has a listener', () {
- expect(stream.first, throwsFormatException);
- expect(errorGroup.done, throwsFormatException);
- controller.addError(new FormatException());
- });
-
- test('should pass a signaled exception to the stream if it has a listener '
- 'and should unsubscribe that stream', () {
- expect(stream.first, throwsFormatException);
- // errorGroup shouldn't top-level the exception
- errorGroup.signalError(new FormatException());
-
- expect(stream.first.catchError((_) {
- controller.add('value');
- return stream.isEmpty;
- }), completion(isTrue));
- });
-
- test('should notify the error group of a signaled exception even if the '
- 'stream has a listener', () {
- expect(stream.first, throwsFormatException);
- expect(errorGroup.done, throwsFormatException);
- errorGroup.signalError(new FormatException());
- });
-
- test("should see one value and complete .done when the stream is done even "
- "if the stream doesn't have a listener", () {
- expect(errorGroup.done, completes);
- controller.add('value');
- controller.close();
-
- // Now that broadcast controllers have been removed a listener should
- // see the value that has been put into the controller.
- expect(errorGroup.done.then((_) => stream.toList()),
- completion(equals(['value'])));
- });
-
- });
-
- group('with a single single-subscription stream', () {
- StreamController controller;
- Stream stream;
-
- setUp(() {
- errorGroup = new ErrorGroup();
- controller = new StreamController();
- stream = errorGroup.registerStream(controller.stream);
- });
-
- test("should complete .done when the stream is done even if the stream "
- "doesn't have a listener", () {
- expect(errorGroup.done, completes);
- controller.add('value');
- controller.close();
-
- // A listener added afterwards should receive the value
- expect(errorGroup.done.then((_) => stream.toList()),
- completion(equals(['value'])));
- });
-
- test("should pipe an exception from the stream to .done if the stream "
- "doesn't have a listener", () {
- expect(errorGroup.done, throwsFormatException);
- controller.addError(new FormatException());
-
- // A listener added afterwards should receive the exception
- expect(errorGroup.done.catchError((_) {
- controller.add('value'); // should be ignored
- expect(stream.first, throwsFormatException);
- }), completes);
- });
-
- test("should pass a signaled exception to .done if the stream doesn't "
- "have a listener",
- () {
- expect(errorGroup.done, throwsFormatException);
- errorGroup.signalError(new FormatException());
-
- // A listener added afterwards should receive the exception
- expect(errorGroup.done.catchError((_) {
- controller.add('value'); // should be ignored
- expect(stream.first, throwsFormatException);
- }), completes);
- });
- });
-
- group('with multiple streams', () {
- StreamController controller1;
- StreamController controller2;
- Stream stream1;
- Stream stream2;
-
- setUp(() {
- errorGroup = new ErrorGroup();
- controller1 = new StreamController();
- controller2 = new StreamController();
- stream1 = errorGroup.registerStream(controller1.stream.asBroadcastStream());
- stream2 = errorGroup.registerStream(controller2.stream.asBroadcastStream());
- });
-
- test("should pipe exceptions from one stream to the other and to .done",
- () {
- expect(stream1.first, throwsFormatException);
- expect(stream2.first, throwsFormatException);
- expect(errorGroup.done, throwsFormatException);
-
- controller1.addError(new FormatException());
- });
-
- test("each future should be able to emit values independently", () {
- expect(stream1.toList(), completion(equals(['value1.1', 'value1.2'])));
- expect(stream2.toList(), completion(equals(['value2.1', 'value2.2'])));
- expect(errorGroup.done, completes);
-
- controller1..add('value1.1')..add('value1.2')..close();
- controller2..add('value2.1')..add('value2.2')..close();
- });
-
- test("shouldn't throw a top-level exception if a stream receives an error "
- "after the other listened stream completes", () {
- expect(stream1.toList(), completion(equals(['value1', 'value2'])));
- controller1..add('value1')..add('value2')..close();
-
- expect(stream1.toList().then((_) {
- // shouldn't cause a top-level exception
- controller2.addError(new FormatException());
- }), completes);
- });
-
- test("shouldn't throw a top-level exception if an error is signaled after "
- "one listened stream completes", () {
- expect(stream1.toList(), completion(equals(['value1', 'value2'])));
- controller1..add('value1')..add('value2')..close();
-
- expect(stream1.toList().then((_) {
- // shouldn't cause a top-level exception
- errorGroup.signalError(new FormatException());
- }), completes);
- });
- });
-
- group('with a stream and a future', () {
- StreamController controller;
- Stream stream;
- Completer completer;
- Future future;
-
- setUp(() {
- errorGroup = new ErrorGroup();
- controller = new StreamController();
- stream = errorGroup.registerStream(controller.stream.asBroadcastStream());
- completer = new Completer();
- future = errorGroup.registerFuture(completer.future);
- });
-
- test("should pipe exceptions from the stream to the future", () {
- expect(stream.first, throwsFormatException);
- expect(future, throwsFormatException);
- expect(errorGroup.done, throwsFormatException);
-
- controller.addError(new FormatException());
- });
-
- test("should pipe exceptions from the future to the stream", () {
- expect(stream.first, throwsFormatException);
- expect(future, throwsFormatException);
- expect(errorGroup.done, throwsFormatException);
-
- completer.completeError(new FormatException());
- });
-
- test("the stream and the future should be able to complete/emit values "
- "independently", () {
- expect(stream.toList(), completion(equals(['value1.1', 'value1.2'])));
- expect(future, completion(equals('value2.0')));
- expect(errorGroup.done, completes);
-
- controller..add('value1.1')..add('value1.2')..close();
- completer.complete('value2.0');
- });
-
- test("shouldn't throw a top-level exception if the stream receives an error "
- "after the listened future completes", () {
- expect(future, completion(equals('value')));
- completer.complete('value');
-
- expect(future.then((_) {
- // shouldn't cause a top-level exception
- controller.addError(new FormatException());
- }), completes);
- });
-
- test("shouldn't throw a top-level exception if the future receives an "
- "error after the listened stream completes", () {
- expect(stream.toList(), completion(equals(['value1', 'value2'])));
- controller..add('value1')..add('value2')..close();
-
- expect(stream.toList().then((_) {
- // shouldn't cause a top-level exception
- completer.completeError(new FormatException());
- }), completes);
- });
- });
-}
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