Joh*_*ers 4 unit-testing typescript karma-runner karma-jasmine angular
无法绑定到“icon”,因为它不是“fa-icon”的已知属性。
尝试在 people.component.spec.ts 中运行此测试时
import { async, ComponentFixture, TestBed } from "@angular/core/testing";
import { PeopleComponent } from "./people.component";
describe("PeopleComponent Unit Test", () => {
let component: PeopleComponent;
let fixture: ComponentFixture<PeopleComponent>;
beforeEach(async(() => {
TestBed.configureTestingModule({
declarations: [PeopleComponent]
})
.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(PeopleComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it("should create", () => {
expect(component).toBeTruthy();
});
;
})
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跑步者显示此错误:
失败:模板解析错误:无法绑定到“icon”,因为它不是“fa-icon”的已知属性。
我尝试在测试端导入 FontAwesomeModule 和 FaIcon 并添加到 TestBed 配置的导入语句中。我试图确保组件端也有导入。似乎没有任何效果。
找到解决方案:在configureTestingModule 中,您必须正确使用声明、提供程序和导入。当这如下所示完成时,例如 appmodel 提供者甚至样式出现在 Jasmine 测试中。
import { async, ComponentFixture, TestBed } from "@angular/core/testing";
import { PeopleComponent } from "./people.component";
import { FaIconComponent } from "@fortawesome/angular-fontawesome";
import { DisplayNamePipe } from "src/app/extensions/pipes.format.person.display-name";
import { RouterModule } from "@angular/router";
import { SSNFormatPipe } from "src/app/extensions/pipes.format.ssn";
import { AppModule } from "src/app/app.module";
import { RestangularModule } from "ngx-restangular";
describe("PeopleComponent", () => {
let component: PeopleComponent;
let fixture: ComponentFixture<PeopleComponent>;
beforeEach(async(() => {
TestBed.configureTestingModule({
declarations: [PeopleComponent, FaIconComponent, DisplayNamePipe, SSNFormatPipe ],
providers: [AppModule],
imports:[ RestangularModule.forRoot(), RouterModule.forRoot([])]
})
.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(PeopleComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it("should create", () => {
expect(component).toBeTruthy();
});
;
})
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这告诉我,模块的配置必须包括 Angular 7 应用程序所做的一切,以便测试反映前端渲染、路由、图标和管道。
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