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|
import { GlSprintf } from '@gitlab/ui';
import { shallowMount } from '@vue/test-utils';
import Vue from 'vue';
import simplePoll from '~/lib/utils/simple_poll';
import CommitEdit from '~/vue_merge_request_widget/components/states/commit_edit.vue';
import CommitMessageDropdown from '~/vue_merge_request_widget/components/states/commit_message_dropdown.vue';
import CommitsHeader from '~/vue_merge_request_widget/components/states/commits_header.vue';
import ReadyToMerge from '~/vue_merge_request_widget/components/states/ready_to_merge.vue';
import SquashBeforeMerge from '~/vue_merge_request_widget/components/states/squash_before_merge.vue';
import { MWPS_MERGE_STRATEGY } from '~/vue_merge_request_widget/constants';
import eventHub from '~/vue_merge_request_widget/event_hub';
jest.mock('~/lib/utils/simple_poll', () =>
jest.fn().mockImplementation(jest.requireActual('~/lib/utils/simple_poll').default),
);
jest.mock('~/commons/nav/user_merge_requests', () => ({
refreshUserMergeRequestCounts: jest.fn(),
}));
const commitMessage = 'This is the commit message';
const squashCommitMessage = 'This is the squash commit message';
const commitMessageWithDescription = 'This is the commit message description';
const createTestMr = (customConfig) => {
const mr = {
isPipelineActive: false,
pipeline: null,
isPipelineFailed: false,
isPipelinePassing: false,
isMergeAllowed: true,
isApproved: true,
onlyAllowMergeIfPipelineSucceeds: false,
ffOnlyEnabled: false,
hasCI: false,
ciStatus: null,
sha: '12345678',
squash: false,
squashIsEnabledByDefault: false,
squashIsReadonly: false,
squashIsSelected: false,
commitMessage,
squashCommitMessage,
commitMessageWithDescription,
shouldRemoveSourceBranch: true,
canRemoveSourceBranch: false,
targetBranch: 'main',
preferredAutoMergeStrategy: MWPS_MERGE_STRATEGY,
availableAutoMergeStrategies: [MWPS_MERGE_STRATEGY],
mergeImmediatelyDocsPath: 'path/to/merge/immediately/docs',
};
Object.assign(mr, customConfig.mr);
return mr;
};
const createTestService = () => ({
merge: jest.fn(),
poll: jest.fn().mockResolvedValue(),
});
let wrapper;
const createComponent = (customConfig = {}) => {
wrapper = shallowMount(ReadyToMerge, {
propsData: {
mr: createTestMr(customConfig),
service: createTestService(),
},
});
};
describe('ReadyToMerge', () => {
afterEach(() => {
wrapper.destroy();
});
describe('computed', () => {
describe('isAutoMergeAvailable', () => {
it('should return true when at least one merge strategy is available', () => {
createComponent();
expect(wrapper.vm.isAutoMergeAvailable).toBe(true);
});
it('should return false when no merge strategies are available', () => {
createComponent({ mr: { availableAutoMergeStrategies: [] } });
expect(wrapper.vm.isAutoMergeAvailable).toBe(false);
});
});
describe('status', () => {
it('defaults to success', () => {
createComponent({ mr: { pipeline: true, availableAutoMergeStrategies: [] } });
expect(wrapper.vm.status).toEqual('success');
});
it('returns failed when MR has CI but also has an unknown status', () => {
createComponent({ mr: { hasCI: true } });
expect(wrapper.vm.status).toEqual('failed');
});
it('returns default when MR has no pipeline', () => {
createComponent({ mr: { availableAutoMergeStrategies: [] } });
expect(wrapper.vm.status).toEqual('success');
});
it('returns pending when pipeline is active', () => {
createComponent({ mr: { pipeline: {}, isPipelineActive: true } });
expect(wrapper.vm.status).toEqual('pending');
});
it('returns failed when pipeline is failed', () => {
createComponent({
mr: { pipeline: {}, isPipelineFailed: true, availableAutoMergeStrategies: [] },
});
expect(wrapper.vm.status).toEqual('failed');
});
});
describe('mergeButtonVariant', () => {
it('defaults to confirm class', () => {
createComponent({
mr: { availableAutoMergeStrategies: [] },
});
expect(wrapper.vm.mergeButtonVariant).toEqual('confirm');
});
it('returns confirm class for success status', () => {
createComponent({
mr: { availableAutoMergeStrategies: [], pipeline: true },
});
expect(wrapper.vm.mergeButtonVariant).toEqual('confirm');
});
it('returns confirm class for pending status', () => {
createComponent();
expect(wrapper.vm.mergeButtonVariant).toEqual('confirm');
});
it('returns danger class for failed status', () => {
createComponent({ mr: { hasCI: true } });
expect(wrapper.vm.mergeButtonVariant).toEqual('danger');
});
});
describe('status icon', () => {
it('defaults to tick icon', () => {
createComponent();
expect(wrapper.vm.iconClass).toEqual('success');
});
it('shows tick for success status', () => {
createComponent({ mr: { pipeline: true } });
expect(wrapper.vm.iconClass).toEqual('success');
});
it('shows tick for pending status', () => {
createComponent({ mr: { pipeline: {}, isPipelineActive: true } });
expect(wrapper.vm.iconClass).toEqual('success');
});
});
describe('mergeButtonText', () => {
it('should return "Merge" when no auto merge strategies are available', () => {
createComponent({ mr: { availableAutoMergeStrategies: [] } });
expect(wrapper.vm.mergeButtonText).toEqual('Merge');
});
it('should return "Merge in progress"', async () => {
createComponent();
wrapper.setData({ isMergingImmediately: true });
await Vue.nextTick();
expect(wrapper.vm.mergeButtonText).toEqual('Merge in progress');
});
it('should return "Merge when pipeline succeeds" when the MWPS auto merge strategy is available', () => {
createComponent({
mr: { isMergingImmediately: false, preferredAutoMergeStrategy: MWPS_MERGE_STRATEGY },
});
expect(wrapper.vm.mergeButtonText).toEqual('Merge when pipeline succeeds');
});
});
describe('autoMergeText', () => {
it('should return Merge when pipeline succeeds', () => {
createComponent({ mr: { preferredAutoMergeStrategy: MWPS_MERGE_STRATEGY } });
expect(wrapper.vm.autoMergeText).toEqual('Merge when pipeline succeeds');
});
});
describe('shouldShowMergeImmediatelyDropdown', () => {
it('should return false if no pipeline is active', () => {
createComponent({
mr: { isPipelineActive: false, onlyAllowMergeIfPipelineSucceeds: false },
});
expect(wrapper.vm.shouldShowMergeImmediatelyDropdown).toBe(false);
});
it('should return false if "Pipelines must succeed" is enabled for the current project', () => {
createComponent({ mr: { isPipelineActive: true, onlyAllowMergeIfPipelineSucceeds: true } });
expect(wrapper.vm.shouldShowMergeImmediatelyDropdown).toBe(false);
});
});
describe('isMergeButtonDisabled', () => {
it('should return false with initial data', () => {
createComponent({ mr: { isMergeAllowed: true } });
expect(wrapper.vm.isMergeButtonDisabled).toBe(false);
});
it('should return true when there is no commit message', () => {
createComponent({ mr: { isMergeAllowed: true, commitMessage: '' } });
expect(wrapper.vm.isMergeButtonDisabled).toBe(true);
});
it('should return true if merge is not allowed', () => {
createComponent({
mr: {
isMergeAllowed: false,
availableAutoMergeStrategies: [],
onlyAllowMergeIfPipelineSucceeds: true,
},
});
expect(wrapper.vm.isMergeButtonDisabled).toBe(true);
});
it('should return true when the vm instance is making request', async () => {
createComponent({ mr: { isMergeAllowed: true } });
wrapper.setData({ isMakingRequest: true });
await Vue.nextTick();
expect(wrapper.vm.isMergeButtonDisabled).toBe(true);
});
});
});
describe('methods', () => {
describe('updateMergeCommitMessage', () => {
it('should revert flag and change commitMessage', () => {
createComponent();
wrapper.vm.updateMergeCommitMessage(true);
expect(wrapper.vm.commitMessage).toEqual(commitMessageWithDescription);
wrapper.vm.updateMergeCommitMessage(false);
expect(wrapper.vm.commitMessage).toEqual(commitMessage);
});
});
describe('handleMergeButtonClick', () => {
const returnPromise = (status) =>
new Promise((resolve) => {
resolve({
data: {
status,
},
});
});
it('should handle merge when pipeline succeeds', (done) => {
createComponent();
jest.spyOn(eventHub, '$emit').mockImplementation(() => {});
jest
.spyOn(wrapper.vm.service, 'merge')
.mockReturnValue(returnPromise('merge_when_pipeline_succeeds'));
wrapper.setData({ removeSourceBranch: false });
wrapper.vm.handleMergeButtonClick(true);
setImmediate(() => {
expect(wrapper.vm.isMakingRequest).toBeTruthy();
expect(eventHub.$emit).toHaveBeenCalledWith('MRWidgetUpdateRequested');
const params = wrapper.vm.service.merge.mock.calls[0][0];
expect(params).toEqual(
expect.objectContaining({
sha: wrapper.vm.mr.sha,
commit_message: wrapper.vm.mr.commitMessage,
should_remove_source_branch: false,
auto_merge_strategy: 'merge_when_pipeline_succeeds',
}),
);
done();
});
});
it('should handle merge failed', (done) => {
createComponent();
jest.spyOn(eventHub, '$emit').mockImplementation(() => {});
jest.spyOn(wrapper.vm.service, 'merge').mockReturnValue(returnPromise('failed'));
wrapper.vm.handleMergeButtonClick(false, true);
setImmediate(() => {
expect(wrapper.vm.isMakingRequest).toBeTruthy();
expect(eventHub.$emit).toHaveBeenCalledWith('FailedToMerge', undefined);
const params = wrapper.vm.service.merge.mock.calls[0][0];
expect(params.should_remove_source_branch).toBeTruthy();
expect(params.auto_merge_strategy).toBeUndefined();
done();
});
});
it('should handle merge action accepted case', (done) => {
createComponent();
jest.spyOn(wrapper.vm.service, 'merge').mockReturnValue(returnPromise('success'));
jest.spyOn(wrapper.vm, 'initiateMergePolling').mockImplementation(() => {});
wrapper.vm.handleMergeButtonClick();
setImmediate(() => {
expect(wrapper.vm.isMakingRequest).toBeTruthy();
expect(wrapper.vm.initiateMergePolling).toHaveBeenCalled();
const params = wrapper.vm.service.merge.mock.calls[0][0];
expect(params.should_remove_source_branch).toBeTruthy();
expect(params.auto_merge_strategy).toBeUndefined();
done();
});
});
});
describe('initiateMergePolling', () => {
it('should call simplePoll', () => {
createComponent();
wrapper.vm.initiateMergePolling();
expect(simplePoll).toHaveBeenCalledWith(expect.any(Function), { timeout: 0 });
});
it('should call handleMergePolling', () => {
createComponent();
jest.spyOn(wrapper.vm, 'handleMergePolling').mockImplementation(() => {});
wrapper.vm.initiateMergePolling();
expect(wrapper.vm.handleMergePolling).toHaveBeenCalled();
});
});
describe('initiateRemoveSourceBranchPolling', () => {
it('should emit event and call simplePoll', () => {
createComponent();
jest.spyOn(eventHub, '$emit').mockImplementation(() => {});
wrapper.vm.initiateRemoveSourceBranchPolling();
expect(eventHub.$emit).toHaveBeenCalledWith('SetBranchRemoveFlag', [true]);
expect(simplePoll).toHaveBeenCalled();
});
});
describe('handleRemoveBranchPolling', () => {
const returnPromise = (state) =>
new Promise((resolve) => {
resolve({
data: {
source_branch_exists: state,
},
});
});
it('should call start and stop polling when MR merged', (done) => {
createComponent();
jest.spyOn(eventHub, '$emit').mockImplementation(() => {});
jest.spyOn(wrapper.vm.service, 'poll').mockReturnValue(returnPromise(false));
let cpc = false; // continuePollingCalled
let spc = false; // stopPollingCalled
wrapper.vm.handleRemoveBranchPolling(
() => {
cpc = true;
},
() => {
spc = true;
},
);
setImmediate(() => {
expect(wrapper.vm.service.poll).toHaveBeenCalled();
const args = eventHub.$emit.mock.calls[0];
expect(args[0]).toEqual('MRWidgetUpdateRequested');
expect(args[1]).toBeDefined();
args[1]();
expect(eventHub.$emit).toHaveBeenCalledWith('SetBranchRemoveFlag', [false]);
expect(cpc).toBeFalsy();
expect(spc).toBeTruthy();
done();
});
});
it('should continue polling until MR is merged', (done) => {
createComponent();
jest.spyOn(wrapper.vm.service, 'poll').mockReturnValue(returnPromise(true));
let cpc = false; // continuePollingCalled
let spc = false; // stopPollingCalled
wrapper.vm.handleRemoveBranchPolling(
() => {
cpc = true;
},
() => {
spc = true;
},
);
setImmediate(() => {
expect(cpc).toBeTruthy();
expect(spc).toBeFalsy();
done();
});
});
});
});
describe('Remove source branch checkbox', () => {
describe('when user can merge but cannot delete branch', () => {
it('should be disabled in the rendered output', () => {
createComponent();
expect(wrapper.find('#remove-source-branch-input').exists()).toBe(false);
});
});
describe('when user can merge and can delete branch', () => {
beforeEach(() => {
createComponent({
mr: { canRemoveSourceBranch: true },
});
});
it('isRemoveSourceBranchButtonDisabled should be false', () => {
expect(wrapper.find('#remove-source-branch-input').props('disabled')).toBe(undefined);
});
});
});
describe('render children components', () => {
const findCheckboxElement = () => wrapper.find(SquashBeforeMerge);
const findCommitsHeaderElement = () => wrapper.find(CommitsHeader);
const findCommitEditElements = () => wrapper.findAll(CommitEdit);
const findCommitDropdownElement = () => wrapper.find(CommitMessageDropdown);
const findFirstCommitEditLabel = () => findCommitEditElements().at(0).props('label');
describe('squash checkbox', () => {
it('should be rendered when squash before merge is enabled and there is more than 1 commit', () => {
createComponent({
mr: { commitsCount: 2, enableSquashBeforeMerge: true },
});
expect(findCheckboxElement().exists()).toBeTruthy();
});
it('should not be rendered when squash before merge is disabled', () => {
createComponent({ mr: { commitsCount: 2, enableSquashBeforeMerge: false } });
expect(findCheckboxElement().exists()).toBeFalsy();
});
it('should not be rendered when there is only 1 commit', () => {
createComponent({ mr: { commitsCount: 1, enableSquashBeforeMerge: true } });
expect(findCheckboxElement().exists()).toBeFalsy();
});
describe('squash options', () => {
it.each`
squashState | state | prop | expectation
${'squashIsReadonly'} | ${'enabled'} | ${'isDisabled'} | ${false}
${'squashIsSelected'} | ${'selected'} | ${'value'} | ${false}
${'squashIsSelected'} | ${'unselected'} | ${'value'} | ${false}
`(
'is $state when squashIsReadonly returns $expectation ',
({ squashState, prop, expectation }) => {
createComponent({
mr: { commitsCount: 2, enableSquashBeforeMerge: true, [squashState]: expectation },
});
expect(findCheckboxElement().props(prop)).toBe(expectation);
},
);
it('is not rendered for "Do not allow" option', () => {
createComponent({
mr: {
commitsCount: 2,
enableSquashBeforeMerge: true,
squashIsReadonly: true,
squashIsSelected: false,
},
});
expect(findCheckboxElement().exists()).toBe(false);
});
});
});
describe('commits count collapsible header', () => {
it('should be rendered when fast-forward is disabled', () => {
createComponent();
expect(findCommitsHeaderElement().exists()).toBeTruthy();
});
describe('when fast-forward is enabled', () => {
it('should be rendered if squash and squash before are enabled and there is more than 1 commit', () => {
createComponent({
mr: {
ffOnlyEnabled: true,
enableSquashBeforeMerge: true,
squashIsSelected: true,
commitsCount: 2,
},
});
expect(findCommitsHeaderElement().exists()).toBeTruthy();
});
it('should not be rendered if squash before merge is disabled', () => {
createComponent({
mr: {
ffOnlyEnabled: true,
enableSquashBeforeMerge: false,
squash: true,
commitsCount: 2,
},
});
expect(findCommitsHeaderElement().exists()).toBeFalsy();
});
it('should not be rendered if squash is disabled', () => {
createComponent({
mr: {
ffOnlyEnabled: true,
squash: false,
enableSquashBeforeMerge: true,
commitsCount: 2,
},
});
expect(findCommitsHeaderElement().exists()).toBeFalsy();
});
it('should not be rendered if commits count is 1', () => {
createComponent({
mr: {
ffOnlyEnabled: true,
squash: true,
enableSquashBeforeMerge: true,
commitsCount: 1,
},
});
expect(findCommitsHeaderElement().exists()).toBeFalsy();
});
});
});
describe('commits edit components', () => {
describe('when fast-forward merge is enabled', () => {
it('should not be rendered if squash is disabled', () => {
createComponent({
mr: {
ffOnlyEnabled: true,
squash: false,
enableSquashBeforeMerge: true,
commitsCount: 2,
},
});
expect(findCommitEditElements().length).toBe(0);
});
it('should not be rendered if squash before merge is disabled', () => {
createComponent({
mr: {
ffOnlyEnabled: true,
squash: true,
enableSquashBeforeMerge: false,
commitsCount: 2,
},
});
expect(findCommitEditElements().length).toBe(0);
});
it('should not be rendered if there is only one commit', () => {
createComponent({
mr: {
ffOnlyEnabled: true,
squash: true,
enableSquashBeforeMerge: true,
commitsCount: 1,
},
});
expect(findCommitEditElements().length).toBe(0);
});
it('should have one edit component if squash is enabled and there is more than 1 commit', () => {
createComponent({
mr: {
ffOnlyEnabled: true,
squashIsSelected: true,
enableSquashBeforeMerge: true,
commitsCount: 2,
},
});
expect(findCommitEditElements().length).toBe(1);
expect(findFirstCommitEditLabel()).toBe('Squash commit message');
});
});
it('should have one edit component when squash is disabled', () => {
createComponent();
expect(findCommitEditElements().length).toBe(1);
});
it('should have two edit components when squash is enabled and there is more than 1 commit', () => {
createComponent({
mr: {
commitsCount: 2,
squashIsSelected: true,
enableSquashBeforeMerge: true,
},
});
expect(findCommitEditElements().length).toBe(2);
});
it('should have one edit components when squash is enabled and there is 1 commit only', () => {
createComponent({
mr: {
commitsCount: 1,
squash: true,
enableSquashBeforeMerge: true,
},
});
expect(findCommitEditElements().length).toBe(1);
});
it('should have correct edit merge commit label', () => {
createComponent();
expect(findFirstCommitEditLabel()).toBe('Merge commit message');
});
it('should have correct edit squash commit label', () => {
createComponent({
mr: {
commitsCount: 2,
squashIsSelected: true,
enableSquashBeforeMerge: true,
},
});
expect(findFirstCommitEditLabel()).toBe('Squash commit message');
});
});
describe('commits dropdown', () => {
it('should not be rendered if squash is disabled', () => {
createComponent();
expect(findCommitDropdownElement().exists()).toBeFalsy();
});
it('should be rendered if squash is enabled and there is more than 1 commit', () => {
createComponent({
mr: { enableSquashBeforeMerge: true, squashIsSelected: true, commitsCount: 2 },
});
expect(findCommitDropdownElement().exists()).toBeTruthy();
});
});
});
describe('Merge request project settings', () => {
describe('when the merge commit merge method is enabled', () => {
beforeEach(() => {
createComponent({
mr: { ffOnlyEnabled: false },
});
});
it('should not show fast forward message', () => {
expect(wrapper.find('.mr-fast-forward-message').exists()).toBe(false);
});
});
describe('when the fast-forward merge method is enabled', () => {
beforeEach(() => {
createComponent({
mr: { ffOnlyEnabled: true },
});
});
it('should show fast forward message', () => {
expect(wrapper.find('.mr-fast-forward-message').exists()).toBe(true);
});
});
});
describe('with a mismatched SHA', () => {
const findMismatchShaBlock = () => wrapper.find('.js-sha-mismatch');
const findMismatchShaTextBlock = () => findMismatchShaBlock().find(GlSprintf);
beforeEach(() => {
createComponent({
mr: {
isSHAMismatch: true,
mergeRequestDiffsPath: '/merge_requests/1/diffs',
},
});
});
it('displays a warning message', () => {
expect(findMismatchShaBlock().exists()).toBe(true);
});
it('warns the user to refresh to review', () => {
expect(findMismatchShaTextBlock().element.outerHTML).toMatchSnapshot();
});
});
});
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