dspace-angular/src/app/shared/context-help.directive.spec.ts

import { Component, DebugElement, Input } from '@angular/core';
import { ComponentFixture, TestBed } from '@angular/core/testing';
import { By } from '@angular/platform-browser';
import { of as observableOf, Observable } from 'rxjs';
import { ContextHelpDirective, ContextHelpDirectiveInput } from './context-help.directive';
import { TranslateService } from '@ngx-translate/core';
import { ContextHelpWrapperComponent } from './context-help-wrapper/context-help-wrapper.component';
import { NgbTooltipModule } from '@ng-bootstrap/ng-bootstrap';

@Component({
  template: `<div *dsContextHelp="contextHelpParams()">some text</div>`
})
class TestComponent {
  @Input() content = '';
  contextHelpParams(): ContextHelpDirectiveInput {
    return {
      content: this.content
    };
  }
}

// tslint:disable-next-line:max-classes-per-file
class MockTranslateService {
  messages: {[index: string]: string} = {
    lorem: 'lorem ipsum dolor sit amet',
    linkTest: 'This is text, [this](https://dspace.lyrasis.org) is a link, and [so is this](https://google.com)'
  };

  get(key: string): Observable<string> {
    return observableOf(this.messages[key]);
  }
}

describe('ContextHelpDirective', () => {
  let component: TestComponent;
  let fixture: ComponentFixture<TestComponent>;
  // let el: DebugElement;
  // let translateService: TranslateService;

  beforeEach(() => {
    console.log('Anyone hear that?');
    fixture = TestBed.configureTestingModule({
      imports: [NgbTooltipModule],
      providers: [
        { provide: TranslateService, useClass: MockTranslateService }
      ],
      declarations: [TestComponent, ContextHelpWrapperComponent, ContextHelpDirective]
    }).createComponent(TestComponent);
    component = fixture.componentInstance;
  });

  it('should add the tooltip icon', () => {
    component.content = 'lorem';
    fixture.detectChanges();

    expect(component).toBeDefined();
    const [wrapper] = fixture.nativeElement.children;
    const [i, div] = wrapper.children;
    expect(wrapper.tagName).toBe('DS-CONTEXT-HELP-WRAPPER');
    expect(i.tagName).toBe('I');
    expect(div.tagName).toBe('DIV');
    expect(div.innerHTML).toBe('some text');
    i.click(); // TODO: triggers a type error
  });
});