121 lines
3.1 KiB
Dart
121 lines
3.1 KiB
Dart
library angular2_testing.angular2_testing;
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import 'package:test/test.dart';
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import 'package:angular2/angular2.dart';
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import 'package:angular2/src/core/di/metadata.dart' show InjectMetadata;
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import 'package:angular2/src/core/di/reflective_exceptions.dart' show NoAnnotationError;
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import 'package:angular2/src/core/reflection/reflection.dart';
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import 'package:angular2/src/core/reflection/reflection_capabilities.dart';
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import 'package:angular2/src/testing/test_injector.dart';
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export 'package:angular2/src/testing/test_component_builder.dart';
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export 'package:angular2/src/testing/test_injector.dart' show inject;
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import 'package:angular2/platform/testing/browser.dart';
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/// One time initialization that must be done for Angular2 component
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/// tests. Call before any test methods.
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///
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/// Example:
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///
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/// ```
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/// main() {
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/// initAngularTests();
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/// group(...);
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/// }
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/// ```
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void initAngularTests() {
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reflector.reflectionCapabilities = new ReflectionCapabilities();
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setBaseTestProviders(TEST_BROWSER_PLATFORM_PROVIDERS, TEST_BROWSER_APPLICATION_PROVIDERS);
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}
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void _addTestInjectorTearDown() {
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// Multiple resets are harmless.
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tearDown(() {
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_testInjector.reset();
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});
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}
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/// Allows overriding default bindings defined in test_injector.dart.
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///
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/// The given function must return a list of DI providers.
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///
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/// Example:
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///
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/// ```
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/// setUpProviders(() => [
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/// provide(Compiler, useClass: MockCompiler),
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/// provide(SomeToken, useValue: myValue),
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/// ]);
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/// ```
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void setUpProviders(Iterable<Provider> providerFactory()) {
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setUp(() {
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try {
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_testInjector.addProviders(providerFactory());
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} catch (e) {
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throw 'setUpProviders was called after the injector had '
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'been used in a setUp or test block. This invalidates the '
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'test injector';
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}
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});
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_addTestInjectorTearDown();
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}
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dynamic _runInjectableFunction(Function fn) {
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var params = reflector.parameters(fn);
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List<dynamic> tokens = <dynamic>[];
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for (var param in params) {
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var token = null;
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for (var paramMetadata in param) {
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if (paramMetadata is Type) {
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token = paramMetadata;
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} else if (paramMetadata is InjectMetadata) {
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token = paramMetadata.token;
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}
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}
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if (token == null) {
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throw new NoAnnotationError(fn, params);
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}
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tokens.add(token);
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}
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return _testInjector.execute(tokens, fn);
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}
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/// Use the test injector to get bindings and run a function.
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///
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/// Example:
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///
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/// ```
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/// ngSetUp((SomeToken token) {
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/// token.init();
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/// });
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/// ```
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void ngSetUp(Function fn) {
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setUp(() async {
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await _runInjectableFunction(fn);
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});
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_addTestInjectorTearDown();
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}
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/// Add a test which can use the test injector.
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///
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/// Example:
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///
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/// ```
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/// ngTest('description', (SomeToken token) {
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/// expect(token, equals('expected'));
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/// });
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/// ```
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void ngTest(String description, Function fn,
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{String testOn, Timeout timeout, skip, Map<String, dynamic> onPlatform}) {
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test(description, () async {
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await _runInjectableFunction(fn);
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}, testOn: testOn, timeout: timeout, skip: skip, onPlatform: onPlatform);
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_addTestInjectorTearDown();
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}
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final TestInjector _testInjector = getTestInjector();
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