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Diffstat (limited to 'spec/frontend/pipeline_editor/components/file-nav/branch_switcher_spec.js')
-rw-r--r-- | spec/frontend/pipeline_editor/components/file-nav/branch_switcher_spec.js | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/spec/frontend/pipeline_editor/components/file-nav/branch_switcher_spec.js b/spec/frontend/pipeline_editor/components/file-nav/branch_switcher_spec.js new file mode 100644 index 00000000000..fa937100982 --- /dev/null +++ b/spec/frontend/pipeline_editor/components/file-nav/branch_switcher_spec.js @@ -0,0 +1,123 @@ +import { GlDropdown, GlDropdownItem, GlIcon } from '@gitlab/ui'; +import { shallowMount, createLocalVue } from '@vue/test-utils'; +import VueApollo from 'vue-apollo'; +import createMockApollo from 'helpers/mock_apollo_helper'; +import waitForPromises from 'helpers/wait_for_promises'; +import BranchSwitcher from '~/pipeline_editor/components/file_nav/branch_switcher.vue'; +import { DEFAULT_FAILURE } from '~/pipeline_editor/constants'; +import { mockDefaultBranch, mockProjectBranches, mockProjectFullPath } from '../../mock_data'; + +const localVue = createLocalVue(); +localVue.use(VueApollo); + +describe('Pipeline editor branch switcher', () => { + let wrapper; + let mockApollo; + let mockAvailableBranchQuery; + + const createComponentWithApollo = () => { + const resolvers = { + Query: { + project: mockAvailableBranchQuery, + }, + }; + + mockApollo = createMockApollo([], resolvers); + wrapper = shallowMount(BranchSwitcher, { + localVue, + apolloProvider: mockApollo, + provide: { + projectFullPath: mockProjectFullPath, + }, + data() { + return { + currentBranch: mockDefaultBranch, + }; + }, + }); + }; + + const findDropdown = () => wrapper.findComponent(GlDropdown); + const findDropdownItems = () => wrapper.findAll(GlDropdownItem); + + beforeEach(() => { + mockAvailableBranchQuery = jest.fn(); + }); + + afterEach(() => { + wrapper.destroy(); + }); + + describe('while querying', () => { + beforeEach(() => { + createComponentWithApollo(); + }); + + it('does not render dropdown', () => { + expect(findDropdown().exists()).toBe(false); + }); + }); + + describe('after querying', () => { + beforeEach(async () => { + mockAvailableBranchQuery.mockResolvedValue(mockProjectBranches); + createComponentWithApollo(); + await waitForPromises(); + }); + + it('query is called with correct variables', async () => { + expect(mockAvailableBranchQuery).toHaveBeenCalledTimes(1); + expect(mockAvailableBranchQuery).toHaveBeenCalledWith( + expect.anything(), + { + fullPath: mockProjectFullPath, + }, + expect.anything(), + expect.anything(), + ); + }); + + it('renders list of branches', () => { + expect(findDropdown().exists()).toBe(true); + expect(findDropdownItems()).toHaveLength(mockProjectBranches.repository.branches.length); + }); + + it('renders current branch at the top of the list with a check mark', () => { + const firstDropdownItem = findDropdownItems().at(0); + const icon = firstDropdownItem.findComponent(GlIcon); + + expect(firstDropdownItem.text()).toBe(mockDefaultBranch); + expect(icon.exists()).toBe(true); + expect(icon.props('name')).toBe('check'); + }); + + it('does not render check mark for other branches', () => { + const secondDropdownItem = findDropdownItems().at(1); + const icon = secondDropdownItem.findComponent(GlIcon); + + expect(icon.classes()).toContain('gl-visibility-hidden'); + }); + }); + + describe('on fetch error', () => { + beforeEach(async () => { + mockAvailableBranchQuery.mockResolvedValue(new Error()); + createComponentWithApollo(); + await waitForPromises(); + }); + + it('does not render dropdown', () => { + expect(findDropdown().exists()).toBe(false); + }); + + it('shows an error message', () => { + expect(wrapper.emitted('showError')).toBeDefined(); + expect(wrapper.emitted('showError')[0]).toEqual([ + { + reasons: [wrapper.vm.$options.i18n.fetchError], + type: DEFAULT_FAILURE, + }, + ]); + }); + }); +}); |