我有我想測試的示例組件。 當我使用自定義管道(例如我的自定義管道concat
)其工作正常。單元測試時內置管道導致失敗Angular 2組件
import { ConcatPipe } from 'path-to-concat-pipe';
@Component({
selector: 'test',
template: '{{ testProp | concat }}'
})
class TestComp {
public testProp: Array = [2017, 2018];
}
但是,當我試圖使用inbuilt pipe(例如number
),我的測試是失敗的,沒有任何信息的錯誤消息。
@Component({
selector: 'test',
template: '{{ testProp | number }}'
})
class TestComp {
public testProp: number = 2017;
}
樣品規格代碼
describe('TestComp',() => {
let comp: TestComp;
let fixture: ComponentFixture<TestComp>;
beforeEach(async(() => {
TestBed
.configureTestingModule({
declarations: [TestComp, ConcatPipe],
})
.compileComponents()
.then(() => {
fixture = TestBed.createComponent(TestComp);
fixture.detectChanges();
})
}));
it('TestComp successfully initialized',() => {
expect(fixture.componentInstance).toBeDefined()
});
});
此外,我試圖從導入DecimalPipe '@角/共同',並將其添加到聲明陣列,但它會導致錯誤
類型DecimalPipe是2個模塊聲明的一部分: CommonModule和DynamicTestModule!
我正在使用angular 2.0發行版。
UPD
測試工作正常提供plunker @yurzui,但在我的項目失敗。我想問題可能與我的人緣配置文件
karma.shim.js
'use strict';
Error.stackTraceLimit = Infinity;
require('es6-shim');
require('reflect-metadata');
require('zone.js/dist/zone');;
require('zone.js/dist/long-stack-trace-zone');
require('zone.js/dist/async-test');
require('zone.js/dist/fake-async-test');
require('zone.js/dist/sync-test');
require('zone.js/dist/proxy');
require('zone.js/dist/jasmine-patch');
require('@angular/core/testing');
var appContext = require.context('./src', true, /root.spec.ts/);
var testing = require('@angular/core/testing');
var browser = require('@angular/platform-browser-dynamic/testing');
testing.TestBed.initTestEnvironment(browser.BrowserDynamicTestingModule, browser.platformBrowserDynamicTesting());
karma.conf.js
'use strict';
var webpackConfig = require('./webpack.config');
module.exports = function (config) {
var _config = {
basePath: '',
frameworks: ['jasmine'],
files: [
{pattern: './karma-shim.js', watched: false},
{pattern: './src/app/**/*spec.ts', watched: true, included: false}
],
exclude: [],
preprocessors: {
'./karma-shim.js': ['webpack', 'sourcemap']
},
webpack: webpackConfig,
webpackMiddleware: {
stats: 'errors-only'
},
coverageReporter: {
dir: 'coverage/',
reporters: [
{type: 'text-summary'},
{type: 'html'}
]
},
browserNoActivityTimeout : 100000,
webpackServer: {
noInfo: true
},
reporters: ['story', 'coverage', 'progress'],
port: 9876,
colors: true,
logLevel: config.LOG_DEBUG,
autoWatch: false,
browsers: ['PhantomJS'],
singleRun: true,
};
config.set(_config);
};
謝謝你的回答,但進口CommonModule沒有幫助,再次測試 – styopdev
失敗你從'declarations'數組中刪除'DecimalPipe'? – yurzui
是的,我做到了,''測試牀 .configureTestingModule({ 進口:[CommonModule], 聲明:testcomp隔離] })'' – styopdev