Merge branch 'migrate-artifacts-karma-spec' into 'master'

Migrate pipelines artifacts spec to jest

See merge request gitlab-org/gitlab!30996

spec/frontend/pipelines/pipelines_artifacts_spec.js

+import { shallowMount } from '@vue/test-utils';
+import PipelineArtifacts from '~/pipelines/components/pipelines_artifacts.vue';
+import { GlLink } from '@gitlab/ui';
+
+describe('Pipelines Artifacts dropdown', () => {
+  let wrapper;
+
+  const createComponent = () => {
+    wrapper = shallowMount(PipelineArtifacts, {
+      propsData: {
+        artifacts: [
+          {
+            name: 'artifact',
+            path: '/download/path',
+          },
+          {
+            name: 'artifact two',
+            path: '/download/path-two',
+          },
+        ],
+      },
+    });
+  };
+
+  const findGlLink = () => wrapper.find(GlLink);
+  const findAllGlLinks = () => wrapper.find('.dropdown-menu').findAll(GlLink);
+
+  beforeEach(() => {
+    createComponent();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapper = null;
+  });
+
+  it('should render a dropdown with all the provided artifacts', () => {
+    expect(findAllGlLinks()).toHaveLength(2);
+  });
+
+  it('should render a link with the provided path', () => {
+    expect(findGlLink().attributes('href')).toEqual('/download/path');
+
+    expect(findGlLink().text()).toContain('artifact');
+  });
+});

spec/javascripts/pipelines/pipelines_artifacts_spec.js

-import Vue from 'vue';
-import artifactsComp from '~/pipelines/components/pipelines_artifacts.vue';
-
-describe('Pipelines Artifacts dropdown', () => {
-  let component;
-  let artifacts;
-
-  beforeEach(() => {
-    const ArtifactsComponent = Vue.extend(artifactsComp);
-
-    artifacts = [
-      {
-        name: 'artifact',
-        path: '/download/path',
-      },
-    ];
-
-    component = new ArtifactsComponent({
-      propsData: {
-        artifacts,
-      },
-    }).$mount();
-  });
-
-  it('should render a dropdown with the provided artifacts', () => {
-    expect(component.$el.querySelectorAll('.dropdown-menu li').length).toEqual(artifacts.length);
-  });
-
-  it('should render a link with the provided path', () => {
-    expect(component.$el.querySelector('.dropdown-menu li a').getAttribute('href')).toEqual(
-      artifacts[0].path,
-    );
-
-    expect(component.$el.querySelector('.dropdown-menu li a').textContent).toContain(
-      artifacts[0].name,
-    );
-  });
-});