1 files changed, 157 insertions, 0 deletions
diff --git a/spec/frontend/sidebar/components/move/move_issue_button_spec.js b/spec/frontend/sidebar/components/move/move_issue_button_spec.js
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+++ b/spec/frontend/sidebar/components/move/move_issue_button_spec.js
@@ -0,0 +1,157 @@
+import { shallowMount } from '@vue/test-utils';
+import Vue, { nextTick } from 'vue';
+import VueApollo from 'vue-apollo';
+import createMockApollo from 'helpers/mock_apollo_helper';
+import waitForPromises from 'helpers/wait_for_promises';
+import { visitUrl } from '~/lib/utils/url_utility';
+import { createAlert } from '~/flash';
+import ProjectSelect from '~/sidebar/components/move/issuable_move_dropdown.vue';
+import MoveIssueButton from '~/sidebar/components/move/move_issue_button.vue';
+import moveIssueMutation from '~/sidebar/queries/move_issue.mutation.graphql';
+
+Vue.use(VueApollo);
+
+jest.mock('~/flash');
+jest.mock('~/lib/utils/url_utility', () => ({
+  visitUrl: jest.fn(),
+}));
+
+const projectFullPath = 'flight/FlightJS';
+const projectsAutocompleteEndpoint = '/-/autocomplete/projects?project_id=1';
+const issueIid = '15';
+
+const mockDestinationProject = {
+  full_path: 'gitlab-org/GitLabTest',
+};
+
+const mockWebUrl = `${mockDestinationProject.full_path}/issues/${issueIid}`;
+
+const mockMutationErrorMessage = 'Example error message';
+
+const resolvedMutationWithoutErrorsMock = jest.fn().mockResolvedValue({
+  data: {
+    issueMove: {
+      issue: {
+        id: issueIid,
+        webUrl: mockWebUrl,
+      },
+      errors: [],
+    },
+  },
+});
+
+const resolvedMutationWithErrorsMock = jest.fn().mockResolvedValue({
+  data: {
+    issueMove: {
+      errors: [{ message: mockMutationErrorMessage }],
+    },
+  },
+});
+
+const rejectedMutationMock = jest.fn().mockRejectedValue({});
+
+describe('MoveIssueButton', () => {
+  let wrapper;
+  let fakeApollo;
+
+  const findProjectSelect = () => wrapper.findComponent(ProjectSelect);
+  const emitProjectSelectEvent = () => {
+    findProjectSelect().vm.$emit('move-issuable', mockDestinationProject);
+  };
+  const createComponent = (mutationResolverMock = rejectedMutationMock) => {
+    fakeApollo = createMockApollo([[moveIssueMutation, mutationResolverMock]]);
+
+    wrapper = shallowMount(MoveIssueButton, {
+      provide: {
+        projectFullPath,
+        projectsAutocompleteEndpoint,
+        issueIid,
+      },
+      apolloProvider: fakeApollo,
+    });
+  };
+
+  afterEach(() => {
+    fakeApollo = null;
+  });
+
+  it('renders the project select dropdown', () => {
+    createComponent();
+
+    expect(findProjectSelect().props()).toMatchObject({
+      projectsFetchPath: projectsAutocompleteEndpoint,
+      dropdownButtonTitle: MoveIssueButton.i18n.title,
+      dropdownHeaderTitle: MoveIssueButton.i18n.title,
+      moveInProgress: false,
+    });
+  });
+
+  describe('when the project is selected', () => {
+    it('sets loading state and dropdown button text when issue is moving', async () => {
+      createComponent();
+      expect(findProjectSelect().props()).toMatchObject({
+        dropdownButtonTitle: MoveIssueButton.i18n.title,
+        moveInProgress: false,
+      });
+
+      emitProjectSelectEvent();
+      await nextTick();
+
+      expect(findProjectSelect().props()).toMatchObject({
+        dropdownButtonTitle: MoveIssueButton.i18n.titleInProgress,
+        moveInProgress: true,
+      });
+    });
+
+    it.each`
+      condition                      | mutation
+      ${'a mutation returns errors'} | ${resolvedMutationWithErrorsMock}
+      ${'a mutation is rejected'}    | ${rejectedMutationMock}
+    `('sets loading state to false when $condition', async ({ mutation }) => {
+      createComponent(mutation);
+      emitProjectSelectEvent();
+
+      await nextTick();
+      expect(findProjectSelect().props('moveInProgress')).toBe(true);
+
+      await waitForPromises();
+      expect(findProjectSelect().props('moveInProgress')).toBe(false);
+    });
+
+    it('creates a flash and logs errors when a mutation returns errors', async () => {
+      createComponent(resolvedMutationWithErrorsMock);
+      emitProjectSelectEvent();
+
+      await waitForPromises();
+
+      expect(createAlert).toHaveBeenCalledWith({
+        message: MoveIssueButton.i18n.moveErrorMessage,
+        captureError: true,
+        error: expect.any(Object),
+      });
+    });
+
+    it('calls a mutation for the selected issue', async () => {
+      createComponent(resolvedMutationWithoutErrorsMock);
+      emitProjectSelectEvent();
+
+      await waitForPromises();
+
+      expect(resolvedMutationWithoutErrorsMock).toHaveBeenCalledWith({
+        moveIssueInput: {
+          projectPath: projectFullPath,
+          iid: issueIid,
+          targetProjectPath: mockDestinationProject.full_path,
+        },
+      });
+    });
+
+    it('redirects to the correct page when the mutation succeeds', async () => {
+      createComponent(resolvedMutationWithoutErrorsMock);
+      emitProjectSelectEvent();
+      await waitForPromises();
+
+      expect(visitUrl).toHaveBeenCalledWith(mockWebUrl);
+    });
+  });
+});