blog.component.spec.ts
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import {Input, provide, Component} from 'ng-forward';
import {ArticleBlog} from './blog.component';
import {createComponentFromClass, quickCreateComponent, provideEmptyObjects, createProviderToValue} from "../../../../spec/helpers.ts";
// this htmlTemplate will be re-used between the container components in this spec file
const htmlTemplate: string = '<noosfero-blog [article]="ctrl.article" [profile]="ctrl.profile"></noosfero-blog>';
let articleService = {};
describe("Blog Component", () => {
// the karma preprocessor html2js transform the templates html into js files which put
// the templates to the templateCache into the module templates
// we need to load the module templates here as the template for the
// component Noosfero ArtileView will be load on our tests
beforeEach(angular.mock.module("templates"));
function promiseResultTemplate(thenFunc: Function) {
let thenFuncEmpty = (func: Function) => {
// does nothing
//func()
};
if (thenFunc) {
return {
then: thenFunc
}
} else {
return {
then: thenFuncEmpty
}
}
}
beforeAll(() => {
// creating mock for articleService
articleService = {
getChildren: (article_id: number, filters: {}) => {
return promiseResultTemplate();
}
};
});
it("renders the blog content", (done: Function) => {
// Creating a container component (ArticleContainerComponent) to include
// the component under test (ArticleView)
@Component({
selector: 'test-container-component',
template: htmlTemplate,
directives: [ArticleBlog],
providers: [provideEmptyObjects('Restangular'), createProviderToValue('ArticleService', articleService)]
})
class BlogContainerComponent {
article = { type: 'anyArticleType' };
profile = { name: 'profile-name' };
}
createComponentFromClass(BlogContainerComponent).then((fixture) => {
expect(fixture.debugElement.query('div.blog').length).toEqual(1);
done();
});
it("verify the blog data", (done: Function) => {
articleService.getChildren = (article_id: number, filters: {}) => {
return promiseResultTemplate(() => {
return {
headers: {
total: 1
},
data: {
articles: [
]
}
}
});
}
@Component({
selector: 'test-container-component',
template: htmlTemplate,
directives: [ArticleBlog],
providers: [provideEmptyObjects('Restangular'), createProviderToValue('ArticleService', articleService)]
})
class BlogContainerComponent {
article = { type: 'anyArticleType' };
profile = { name: 'profile-name' };
}
createComponentFromClass(BlogContainerComponent).then((fixture) => {
// and here we can inspect and run the test assertions
// gets the children component of ArticleContainerComponent
let articleBlog: BlogContainerComponent = fixture.debugElement.componentViewChildren[0].componentInstance;
// and checks if the article View rendered was the Default Article View
//expect(articleView.constructor.prototype).toEqual(ArticleDefaultView.prototype);
expect(articleBlog["posts"]).toEqual([]);
expect(articleBlog["totalPosts"]).toEqual(1);
// done needs to be called (it isn't really needed, as we can read in
// here (https://github.com/ngUpgraders/ng-forward/blob/master/API.md#createasync)
// because createAsync in ng-forward is not really async, but as the intention
// here is write tests in angular 2 ways, this is recommended
done();
});
});
});