1 files changed, 168 insertions, 0 deletions
diff --git a/spec/frontend/packages/details/components/package_title_spec.js b/spec/frontend/packages/details/components/package_title_spec.js
new file mode 100644
index 00000000000..a30dc4b8aba
--- /dev/null
+++ b/spec/frontend/packages/details/components/package_title_spec.js
@@ -0,0 +1,168 @@
+import Vuex from 'vuex';
+import { shallowMount, createLocalVue } from '@vue/test-utils';
+import PackageTitle from '~/packages/details/components/package_title.vue';
+import PackageTags from '~/packages/shared/components/package_tags.vue';
+import {
+  conanPackage,
+  mavenFiles,
+  mavenPackage,
+  mockTags,
+  npmFiles,
+  npmPackage,
+  nugetPackage,
+} from '../../mock_data';
+
+const localVue = createLocalVue();
+localVue.use(Vuex);
+
+describe('PackageTitle', () => {
+  let wrapper;
+  let store;
+
+  function createComponent({
+    packageEntity = mavenPackage,
+    packageFiles = mavenFiles,
+    icon = null,
+  } = {}) {
+    store = new Vuex.Store({
+      state: {
+        packageEntity,
+        packageFiles,
+      },
+      getters: {
+        packageTypeDisplay: ({ packageEntity: { package_type: type } }) => type,
+        packagePipeline: ({ packageEntity: { pipeline = null } }) => pipeline,
+        packageIcon: () => icon,
+      },
+    });
+
+    wrapper = shallowMount(PackageTitle, {
+      localVue,
+      store,
+    });
+  }
+
+  const packageIcon = () => wrapper.find('[data-testid="package-icon"]');
+  const packageType = () => wrapper.find('[data-testid="package-type"]');
+  const packageSize = () => wrapper.find('[data-testid="package-size"]');
+  const pipelineProject = () => wrapper.find('[data-testid="pipeline-project"]');
+  const packageRef = () => wrapper.find('[data-testid="package-ref"]');
+  const packageTags = () => wrapper.find(PackageTags);
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('renders', () => {
+    it('without tags', () => {
+      createComponent();
+
+      expect(wrapper.element).toMatchSnapshot();
+    });
+
+    it('with tags', () => {
+      createComponent({ packageEntity: { ...mavenPackage, tags: mockTags } });
+
+      expect(wrapper.element).toMatchSnapshot();
+    });
+  });
+
+  describe('package icon', () => {
+    const fakeSrc = 'a-fake-src';
+
+    it('shows an icon when provided one from vuex', () => {
+      createComponent({ icon: fakeSrc });
+
+      expect(packageIcon().exists()).toBe(true);
+    });
+
+    it('has the correct src attribute', () => {
+      createComponent({ icon: fakeSrc });
+
+      expect(packageIcon().props('src')).toBe(fakeSrc);
+    });
+
+    it('does not show an icon when not provided one', () => {
+      createComponent();
+
+      expect(packageIcon().exists()).toBe(false);
+    });
+  });
+
+  describe.each`
+    packageEntity   | expectedResult
+    ${conanPackage} | ${'conan'}
+    ${mavenPackage} | ${'maven'}
+    ${npmPackage}   | ${'npm'}
+    ${nugetPackage} | ${'nuget'}
+  `(`package type`, ({ packageEntity, expectedResult }) => {
+    beforeEach(() => createComponent({ packageEntity }));
+
+    it(`${packageEntity.package_type} should render from Vuex getters ${expectedResult}`, () => {
+      expect(packageType().text()).toBe(expectedResult);
+    });
+  });
+
+  describe('calculates the package size', () => {
+    it('correctly calulates when there is only 1 file', () => {
+      createComponent({ packageEntity: npmPackage, packageFiles: npmFiles });
+
+      expect(packageSize().text()).toBe('200 bytes');
+    });
+
+    it('correctly calulates when there are multiple files', () => {
+      createComponent();
+
+      expect(packageSize().text()).toBe('300 bytes');
+    });
+  });
+
+  describe('package tags', () => {
+    it('displays the package-tags component when the package has tags', () => {
+      createComponent({
+        packageEntity: {
+          ...npmPackage,
+          tags: mockTags,
+        },
+      });
+
+      expect(packageTags().exists()).toBe(true);
+    });
+
+    it('does not display the package-tags component when there are no tags', () => {
+      createComponent();
+
+      expect(packageTags().exists()).toBe(false);
+    });
+  });
+
+  describe('package ref', () => {
+    it('does not display the ref if missing', () => {
+      createComponent();
+
+      expect(packageRef().exists()).toBe(false);
+    });
+
+    it('correctly shows the package ref if there is one', () => {
+      createComponent({ packageEntity: npmPackage });
+
+      expect(packageRef().contains('gl-icon-stub')).toBe(true);
+      expect(packageRef().text()).toBe(npmPackage.pipeline.ref);
+    });
+  });
+
+  describe('pipeline project', () => {
+    it('does not display the project if missing', () => {
+      createComponent();
+
+      expect(pipelineProject().exists()).toBe(false);
+    });
+
+    it('correctly shows the pipeline project if there is one', () => {
+      createComponent({ packageEntity: npmPackage });
+
+      expect(pipelineProject().text()).toBe(npmPackage.pipeline.project.name);
+      expect(pipelineProject().attributes('href')).toBe(npmPackage.pipeline.project.web_url);
+    });
+  });
+});