Created
June 25, 2019 13:05
-
-
Save MatLang/209c4f13c1937fc60bd3e9a41fffe665 to your computer and use it in GitHub Desktop.
Testing attribute directives #testing #attributes
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import { Component } from '@angular/core'; | |
import { | |
ComponentFixture, | |
TestBed, | |
TestModuleMetadata | |
} from '@angular/core/testing'; | |
import { constants } from './favorite-icon.constants'; | |
import { FavoriteIconDirective } from './favorite-icon.directive'; | |
import { getStarElement, doClassesMatch } from '../../testing'; | |
@Component({ | |
template: ` | |
<i [appFavoriteIcon]="true"></i> | |
<i [appFavoriteIcon]="false"></i> | |
<i [appFavoriteIcon]="true" [color]="'blue'"></i> | |
<i [appFavoriteIcon]="true" [color]="'cat'"></i> | |
` | |
}) | |
class TestComponent {} | |
describe('Directive: FavoriteIconDirective', () => { | |
let fixture: ComponentFixture<any>; | |
const expectedSolidStarList = constants.classes.SOLID_STAR_STYLE_LIST; | |
const expectedOutlineStarList = constants.classes.OUTLINE_STAR_STYLE_LIST; | |
beforeEach(() => { | |
const testModuleMetadata: TestModuleMetadata = { | |
declarations: [FavoriteIconDirective, TestComponent] | |
}; | |
fixture = TestBed.configureTestingModule( | |
testModuleMetadata | |
).createComponent(TestComponent); | |
fixture.detectChanges(); | |
}); | |
afterEach(() => { | |
fixture = null; | |
}); | |
describe('when favorite icon is set to true', () => { | |
let starElement = null; | |
beforeEach(() => { | |
const defaultTrueElementIndex = 0; | |
console.log(fixture.nativeElement); | |
starElement = getStarElement(fixture, defaultTrueElementIndex); | |
}); | |
afterEach(() => { | |
starElement = null; | |
}); | |
it('should display a solid gold star after the page loads', () => { | |
expect(starElement.style.color).toBe('gold'); | |
expect( | |
doClassesMatch(starElement.classList, expectedSolidStarList) | |
).toBeTruthy(); | |
}); | |
it('should display a solid gold star if the user rolls over the star', () => { | |
const event = new Event('mouseenter'); | |
starElement.dispatchEvent(event); | |
expect(starElement.style.color).toBe('gold'); | |
expect( | |
doClassesMatch(starElement.classList, expectedSolidStarList) | |
).toBeTruthy(); | |
}); | |
it('should display a black outline of a star after the user clicks on the star', () => { | |
const event = new Event('click'); | |
starElement.dispatchEvent(event); | |
expect(starElement.style.color).toBe('black'); | |
expect( | |
doClassesMatch(starElement.classList, expectedOutlineStarList) | |
).toBeTruthy(); | |
}); | |
}); | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment