106 lines
2.8 KiB
Dart
106 lines
2.8 KiB
Dart
/// This file contains tests that make sense only in Dart
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library angular2.test.facade.async_dart_spec;
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import 'package:angular2/testing_internal.dart';
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import 'package:angular2/src/facade/async.dart';
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class MockException implements Error {
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var message;
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var stackTrace;
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}
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class NonError {
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var message;
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}
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void functionThatThrows() {
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try {
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throw new MockException();
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} catch (e, stack) {
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// If we lose the stack trace the message will no longer match
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// the first line in the stack
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e.message = stack.toString().split('\n')[0];
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e.stackTrace = stack;
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rethrow;
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}
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}
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void functionThatThrowsNonError() {
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try {
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throw new NonError();
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} catch (e, stack) {
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// If we lose the stack trace the message will no longer match
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// the first line in the stack
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e.message = stack.toString().split('\n')[0];
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rethrow;
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}
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}
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void expectFunctionThatThrowsWithStackTrace(
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Future future, AsyncTestCompleter async) {
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PromiseWrapper.catchError(future, (err, StackTrace stack) {
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expect(stack.toString().split('\n')[0]).toEqual(err.message);
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async.done();
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});
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}
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main() {
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describe('async facade', () {
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describe('Completer', () {
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it(
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'should preserve Error stack traces',
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inject([AsyncTestCompleter], (async) {
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var c = PromiseWrapper.completer();
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expectFunctionThatThrowsWithStackTrace(c.promise, async);
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try {
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functionThatThrows();
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} catch (e) {
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c.reject(e, null);
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}
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}));
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it(
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'should preserve error stack traces for non-Errors',
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inject([AsyncTestCompleter], (async) {
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var c = PromiseWrapper.completer();
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expectFunctionThatThrowsWithStackTrace(c.promise, async);
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try {
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functionThatThrowsNonError();
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} catch (e, s) {
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c.reject(e, s);
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}
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}));
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});
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describe('PromiseWrapper', () {
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describe('reject', () {
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it(
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'should preserve Error stack traces',
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inject([AsyncTestCompleter], (async) {
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try {
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functionThatThrows();
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} catch (e) {
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var rejectedFuture = PromiseWrapper.reject(e, null);
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expectFunctionThatThrowsWithStackTrace(rejectedFuture, async);
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}
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}));
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it(
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'should preserve stack traces for non-Errors',
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inject([AsyncTestCompleter], (async) {
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try {
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functionThatThrowsNonError();
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} catch (e, s) {
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var rejectedFuture = PromiseWrapper.reject(e, s);
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expectFunctionThatThrowsWithStackTrace(rejectedFuture, async);
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}
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}));
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});
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});
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});
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}
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