Question

我们的项目成功编译，构建并可在浏览器中看到。这里没问题。

但是当我们尝试使用karma and jasmine运行测试用例时，我们会收到此错误。

XXXXComponent
   :heavy_multiplication_x: Should Match Current Tab as 1
     Chrome 55.0.2883 (Mac OS X 10.10.5)
   Error: Unexpected value 'FormGroup' declared by the module 'DynamicTestModule'
       at SyntaxError.ZoneAwareError (webpack:///~/zone.js/dist/zone.js:811:0 <- config/spec-bundle.js:74048:33)
       at SyntaxError.BaseError [as constructor] (webpack:///~/@angular/compiler/src/facade/errors.js:26:0 <- config/spec-bundle.js:78913:16)
       at new SyntaxError (webpack:///~/@angular/compiler/src/util.js:151:0 <- config/spec-bundle.js:6408:16)
       at webpack:///~/@angular/compiler/src/metadata_resolver.js:475:0 <- config/spec-bundle.js:19829:40
       at Array.forEach (native)
       at CompileMetadataResolver.getNgModuleMetadata (webpack:///~/@angular/compiler/src/metadata_resolver.js:457:0 <- config/spec-bundle.js:19811:54)
       at JitCompiler._loadModules (webpack:///~/@angular/compiler/src/jit/compiler.js:165:25 <- config/spec-bundle.js:55462:64)
       at JitCompiler._compileModuleAndAllComponents (webpack:///~/@angular/compiler/src/jit/compiler.js:144:25 <- config/spec-bundle.js:55441:52)
       at JitCompiler.compileModuleAndAllComponentsSync (webpack:///~/@angular/compiler/src/jit/compiler.js:98:0 <- config/spec-bundle.js:55395:21)
       at TestingCompilerImpl.compileModuleAndAllComponentsSync (webpack:///~/@angular/compiler/bundles/compiler-testing.umd.js:482:0 <- config/spec-bundle.js:78583:35)
       at TestBed._initIfNeeded (webpack:///~/@angular/core/bundles/core-testing.umd.js:761:0 <- config/spec-bundle.js:26731:40)
       at TestBed.createComponent (webpack:///~/@angular/core/bundles/core-testing.umd.js:844:0 <- config/spec-bundle.js:26814:18)
       at Function.TestBed.createComponent (webpack:///~/@angular/core/bundles/core-testing.umd.js:673:0 <- config/spec-bundle.js:26643:33)
       at Object.<anonymous> (webpack:///src/app/zzzz/yyyy/xxxx.component.spec.ts:20:0 <- config/spec-bundle.js:93231:37)
       at ZoneDelegate.invoke (webpack:///~/zone.js/dist/zone.js:242:0 <- config/spec-bundle.js:73479:26)
       at ProxyZoneSpec.onInvoke (webpack:///~/zone.js/dist/proxy.js:79:0 <- config/spec-bundle.js:73133:39)
       at ZoneDelegate.invoke (webpack:///~/zone.js/dist/zone.js:241:0 <- config/spec-bundle.js:73478:32)
       at Zone.run (webpack:///~/zone.js/dist/zone.js:113:0 <- config/spec-bundle.js:73350:43)
       at Object.<anonymous> (webpack:///~/zone.js/dist/jasmine-patch.js:102:0 <- config/spec-bundle.js:72848:34)
       at ZoneQueueRunner.jasmine.QueueRunner.ZoneQueueRunner.execute (webpack:///~/zone.js/dist/jasmine-patch.js:132:0 <- config/spec-bundle.js:72878:42)
       at ZoneQueueRunner.jasmine.QueueRunner.ZoneQueueRunner.execute (webpack:///~/zone.js/dist/jasmine-patch.js:132:0 <- config/spec-bundle.js:72878:42)
       at webpack:///~/zone.js/dist/jasmine-patch.js:129:91 <- config/spec-bundle.js:72875:130
       at ZoneDelegate.invokeTask (webpack:///~/zone.js/dist/zone.js:275:0 <- config/spec-bundle.js:73512:35)
       at Zone.runTask (webpack:///~/zone.js/dist/zone.js:151:0 <- config/spec-bundle.js:73388:47)
       at drainMicroTaskQueue (webpack:///~/zone.js/dist/zone.js:433:0 <- config/spec-bundle.js:73670:35)

我们已根据新的角度约定在app.module.ts中导入了所有这些模块。

import { FormsModule, ReactiveFormsModule } from '@angular/forms';
@NgModule({
  bootstrap: [ AppComponent ],
  declarations: [
    ...
  ],
  imports: [ // import Angular's modules
    ...
    BrowserModule,
    FormsModule,
    HttpModule,
    ReactiveFormsModule,
    ... ],
  providers: [ // expose our Services and Providers into Angular's dependency injection
    ENV_PROVIDERS,
    APP_PROVIDERS
  ],
  schemas: [
    CUSTOM_ELEMENTS_SCHEMA
  ]
})
export class AppModule {
  constructor() {}
}

我们的testBed以这种方式设置

TestBed.configureTestingModule({
   imports: [ReactiveFormsModule, FormsModule],
   declarations: [ FormGroup, XXXXComponent ], // declare the test   component
});

  fixture = TestBed.createComponent(XXXXComponent);
  comp = fixture.componentInstance; 
});

以及

testing.TestBed.initTestEnvironment(
  browser.BrowserDynamicTestingModule,
  browser.platformBrowserDynamicTesting()
);

我们已安装所有最新版本的软件包。

"@angular/common": "~2.4.3",
"@angular/compiler": "~2.4.3",
"@angular/core": "~2.4.3",
"@angular/forms": "~2.4.3",
"@angular/http": "~2.4.3",
"@angular/material": "2.0.0-beta.1",
"@angular/platform-browser": "~2.4.3",
"@angular/platform-browser-dynamic": "~2.4.3",
"@angular/platform-server": "~2.4.3",
"@angular/router": "~3.4.3",
"karma": "^1.2.0",
"karma-chrome-launcher": "^2.0.0",
"karma-coverage": "^1.1.1",
"karma-jasmine": "^1.0.2",
"karma-remap-coverage": "^0.1.4",
"karma-sourcemap-loader": "^0.3.7",
"karma-webpack": "2.0.1",
"webpack": "2.2.0",
"webpack-dev-middleware": "^1.9.0",
"webpack-dev-server": "2.2.0",
"webpack-dll-bundles-plugin": "^1.0.0-beta.5",
"webpack-md5-hash": "~0.0.5",
"webpack-merge": "~2.4.0"

感谢您解决此问题的任何帮助。

Answer 1

错误在您的测试台配置中

TestBed.configureTestingModule({
  imports: [ReactiveFormsModule, FormsModule],
  declarations: [ FormGroup, XXXXComponent ], // declare the test component
});

FormGroup不属于您的代码，属于ReactiveFormsModule，因此声明它无效。声明意味着NgModule对所声明的所有权的所有权。您也不应该提供，导入或直接导出。您可以通过导入ReactiveFormsModule导入间接，并可以通过导出ReactiveFormsModule将其间接导出。你不能声明它。你不能提供它。

将配置调用更改为

TestBed.configureTestingModule({
  imports: [ReactiveFormsModule, FormsModule],
  declarations: [XXXXComponent], // declare the component under test
});

错误：意外的值＆＃39; FormGroup＆＃39;模块宣布＆＃39; DynamicTestModule＆＃39;

1 个答案: