1 files changed, 223 insertions, 0 deletions
diff --git a/spec/frontend/pipeline_editor/components/commit/commit_section_spec.js b/spec/frontend/pipeline_editor/components/commit/commit_section_spec.js
new file mode 100644
index 00000000000..b87ff6ec0de
--- /dev/null
+++ b/spec/frontend/pipeline_editor/components/commit/commit_section_spec.js
@@ -0,0 +1,223 @@
+import { GlFormTextarea, GlFormInput, GlLoadingIcon } from '@gitlab/ui';
+import { mount } from '@vue/test-utils';
+import { objectToQuery, redirectTo } from '~/lib/utils/url_utility';
+import CommitForm from '~/pipeline_editor/components/commit/commit_form.vue';
+import CommitSection from '~/pipeline_editor/components/commit/commit_section.vue';
+import { COMMIT_SUCCESS } from '~/pipeline_editor/constants';
+import commitCreate from '~/pipeline_editor/graphql/mutations/commit_ci_file.mutation.graphql';
+
+import {
+  mockCiConfigPath,
+  mockCiYml,
+  mockCommitSha,
+  mockCommitNextSha,
+  mockCommitMessage,
+  mockDefaultBranch,
+  mockProjectFullPath,
+  mockNewMergeRequestPath,
+} from '../../mock_data';
+
+jest.mock('~/lib/utils/url_utility', () => ({
+  redirectTo: jest.fn(),
+  refreshCurrentPage: jest.fn(),
+  objectToQuery: jest.requireActual('~/lib/utils/url_utility').objectToQuery,
+  mergeUrlParams: jest.requireActual('~/lib/utils/url_utility').mergeUrlParams,
+}));
+
+const mockVariables = {
+  projectPath: mockProjectFullPath,
+  startBranch: mockDefaultBranch,
+  message: mockCommitMessage,
+  filePath: mockCiConfigPath,
+  content: mockCiYml,
+  lastCommitId: mockCommitSha,
+};
+
+const mockProvide = {
+  ciConfigPath: mockCiConfigPath,
+  defaultBranch: mockDefaultBranch,
+  projectFullPath: mockProjectFullPath,
+  newMergeRequestPath: mockNewMergeRequestPath,
+};
+
+describe('Pipeline Editor | Commit section', () => {
+  let wrapper;
+  let mockMutate;
+
+  const defaultProps = { ciFileContent: mockCiYml };
+
+  const createComponent = ({ props = {}, options = {}, provide = {} } = {}) => {
+    mockMutate = jest.fn().mockResolvedValue({
+      data: {
+        commitCreate: {
+          errors: [],
+          commit: {
+            sha: mockCommitNextSha,
+          },
+        },
+      },
+    });
+
+    wrapper = mount(CommitSection, {
+      propsData: { ...defaultProps, ...props },
+      provide: { ...mockProvide, ...provide },
+      data() {
+        return {
+          commitSha: mockCommitSha,
+        };
+      },
+      mocks: {
+        $apollo: {
+          mutate: mockMutate,
+        },
+      },
+      attachTo: document.body,
+      ...options,
+    });
+  };
+
+  const findCommitForm = () => wrapper.findComponent(CommitForm);
+  const findCommitBtnLoadingIcon = () =>
+    wrapper.find('[type="submit"]').findComponent(GlLoadingIcon);
+
+  const submitCommit = async ({
+    message = mockCommitMessage,
+    branch = mockDefaultBranch,
+    openMergeRequest = false,
+  } = {}) => {
+    await findCommitForm().findComponent(GlFormTextarea).setValue(message);
+    await findCommitForm().findComponent(GlFormInput).setValue(branch);
+    if (openMergeRequest) {
+      await findCommitForm().find('[data-testid="new-mr-checkbox"]').setChecked(openMergeRequest);
+    }
+    await findCommitForm().find('[type="submit"]').trigger('click');
+    // Simulate the write to local cache that occurs after a commit
+    await wrapper.setData({ commitSha: mockCommitNextSha });
+  };
+
+  const cancelCommitForm = async () => {
+    const findCancelBtn = () => wrapper.find('[type="reset"]');
+    await findCancelBtn().trigger('click');
+  };
+
+  beforeEach(() => {
+    createComponent();
+  });
+
+  afterEach(() => {
+    mockMutate.mockReset();
+
+    wrapper.destroy();
+    wrapper = null;
+  });
+
+  describe('when the user commits changes to the current branch', () => {
+    beforeEach(async () => {
+      await submitCommit();
+    });
+
+    it('calls the mutation with the default branch', () => {
+      expect(mockMutate).toHaveBeenCalledTimes(1);
+      expect(mockMutate).toHaveBeenCalledWith({
+        mutation: commitCreate,
+        update: expect.any(Function),
+        variables: {
+          ...mockVariables,
+          branch: mockDefaultBranch,
+        },
+      });
+    });
+
+    it('emits an event to communicate the commit was successful', () => {
+      expect(wrapper.emitted('commit')).toHaveLength(1);
+      expect(wrapper.emitted('commit')[0]).toEqual([{ type: COMMIT_SUCCESS }]);
+    });
+
+    it('shows no saving state', () => {
+      expect(findCommitBtnLoadingIcon().exists()).toBe(false);
+    });
+
+    it('a second commit submits the latest sha, keeping the form updated', async () => {
+      await submitCommit();
+
+      expect(mockMutate).toHaveBeenCalledTimes(2);
+      expect(mockMutate).toHaveBeenCalledWith({
+        mutation: commitCreate,
+        update: expect.any(Function),
+        variables: {
+          ...mockVariables,
+          lastCommitId: mockCommitNextSha,
+          branch: mockDefaultBranch,
+        },
+      });
+    });
+  });
+
+  describe('when the user commits changes to a new branch', () => {
+    const newBranch = 'new-branch';
+
+    beforeEach(async () => {
+      await submitCommit({
+        branch: newBranch,
+      });
+    });
+
+    it('calls the mutation with the new branch', () => {
+      expect(mockMutate).toHaveBeenCalledWith({
+        mutation: commitCreate,
+        update: expect.any(Function),
+        variables: {
+          ...mockVariables,
+          branch: newBranch,
+        },
+      });
+    });
+  });
+
+  describe('when the user commits changes to open a new merge request', () => {
+    const newBranch = 'new-branch';
+
+    beforeEach(async () => {
+      await submitCommit({
+        branch: newBranch,
+        openMergeRequest: true,
+      });
+    });
+
+    it('redirects to the merge request page with source and target branches', () => {
+      const branchesQuery = objectToQuery({
+        'merge_request[source_branch]': newBranch,
+        'merge_request[target_branch]': mockDefaultBranch,
+      });
+
+      expect(redirectTo).toHaveBeenCalledWith(`${mockNewMergeRequestPath}?${branchesQuery}`);
+    });
+  });
+
+  describe('when the commit is ocurring', () => {
+    it('shows a saving state', async () => {
+      mockMutate.mockImplementationOnce(() => {
+        expect(findCommitBtnLoadingIcon().exists()).toBe(true);
+        return Promise.resolve();
+      });
+
+      await submitCommit({
+        message: mockCommitMessage,
+        branch: mockDefaultBranch,
+        openMergeRequest: false,
+      });
+    });
+  });
+
+  describe('when the commit form is cancelled', () => {
+    beforeEach(async () => {
+      createComponent();
+    });
+
+    it('emits an event so that it cab be reseted', async () => {
+      await cancelCommitForm();
+
+      expect(wrapper.emitted('resetContent')).toHaveLength(1);
+    });
+  });
+});