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import { getByTestId, fireEvent } from '@testing-library/dom';
import { shallowMount, createLocalVue } from '@vue/test-utils';
import Vuex from 'vuex';
import DiffRow from '~/diffs/components/diff_row.vue';
import { mapParallel } from '~/diffs/components/diff_row_utils';
import diffsModule from '~/diffs/store/modules';
import { findInteropAttributes } from '../find_interop_attributes';
import diffFileMockData from '../mock_data/diff_file';
describe('DiffRow', () => {
const testLines = [
{
left: { old_line: 1, discussions: [] },
right: { new_line: 1, discussions: [] },
hasDiscussionsLeft: true,
hasDiscussionsRight: true,
},
{
left: {},
right: {},
isMatchLineLeft: true,
isMatchLineRight: true,
},
{},
{
left: { old_line: 1, discussions: [] },
right: { new_line: 1, discussions: [] },
},
];
const createWrapper = ({ props, state, isLoggedIn = true }) => {
const localVue = createLocalVue();
localVue.use(Vuex);
const diffs = diffsModule();
diffs.state = { ...diffs.state, ...state };
const getters = { isLoggedIn: () => isLoggedIn };
const store = new Vuex.Store({
modules: { diffs },
getters,
});
const propsData = {
fileHash: 'abc',
filePath: 'abc',
line: {},
index: 0,
...props,
};
const provide = {
glFeatures: { dragCommentSelection: true },
};
return shallowMount(DiffRow, { propsData, localVue, store, provide });
};
it('isHighlighted returns true given line.left', () => {
const props = {
line: {
left: {
line_code: 'abc',
},
},
};
const state = { highlightedRow: 'abc' };
const wrapper = createWrapper({ props, state });
expect(wrapper.vm.isHighlighted).toBe(true);
});
it('isHighlighted returns true given line.right', () => {
const props = {
line: {
right: {
line_code: 'abc',
},
},
};
const state = { highlightedRow: 'abc' };
const wrapper = createWrapper({ props, state });
expect(wrapper.vm.isHighlighted).toBe(true);
});
it('isHighlighted returns false given line.left', () => {
const props = {
line: {
left: {
line_code: 'abc',
},
},
};
const wrapper = createWrapper({ props });
expect(wrapper.vm.isHighlighted).toBe(false);
});
describe.each`
side
${'left'}
${'right'}
`('$side side', ({ side }) => {
it(`renders empty cells if ${side} is unavailable`, () => {
const wrapper = createWrapper({ props: { line: testLines[2], inline: false } });
expect(wrapper.find(`[data-testid="${side}LineNumber"]`).exists()).toBe(false);
expect(wrapper.find(`[data-testid="${side}EmptyCell"]`).exists()).toBe(true);
});
it('renders comment button', () => {
const wrapper = createWrapper({ props: { line: testLines[3], inline: false } });
expect(wrapper.find(`[data-testid="${side}CommentButton"]`).exists()).toBe(true);
});
it('renders avatars', () => {
const wrapper = createWrapper({ props: { line: testLines[0], inline: false } });
expect(wrapper.find(`[data-testid="${side}Discussions"]`).exists()).toBe(true);
});
});
it('renders left line numbers', () => {
const wrapper = createWrapper({ props: { line: testLines[0] } });
const lineNumber = testLines[0].left.old_line;
expect(wrapper.find(`[data-linenumber="${lineNumber}"]`).exists()).toBe(true);
});
it('renders right line numbers', () => {
const wrapper = createWrapper({ props: { line: testLines[0] } });
const lineNumber = testLines[0].right.new_line;
expect(wrapper.find(`[data-linenumber="${lineNumber}"]`).exists()).toBe(true);
});
describe('drag operations', () => {
let line;
beforeEach(() => {
line = { ...testLines[0] };
});
it.each`
side
${'left'}
${'right'}
`('emits `enterdragging` onDragEnter $side side', ({ side }) => {
const expectation = { ...line[side], index: 0 };
const wrapper = createWrapper({ props: { line } });
fireEvent.dragEnter(getByTestId(wrapper.element, `${side}-side`));
expect(wrapper.emitted().enterdragging).toBeTruthy();
expect(wrapper.emitted().enterdragging[0]).toEqual([expectation]);
});
it.each`
side
${'left'}
${'right'}
`('emits `stopdragging` onDrop $side side', ({ side }) => {
const wrapper = createWrapper({ props: { line } });
fireEvent.dragEnd(getByTestId(wrapper.element, `${side}-side`));
expect(wrapper.emitted().stopdragging).toBeTruthy();
});
});
describe('sets coverage title and class', () => {
const thisLine = diffFileMockData.parallel_diff_lines[2];
const rightLine = diffFileMockData.parallel_diff_lines[2].right;
const mockDiffContent = {
diffFile: diffFileMockData,
shouldRenderDraftRow: jest.fn(),
hasParallelDraftLeft: jest.fn(),
hasParallelDraftRight: jest.fn(),
draftForLine: jest.fn(),
};
const applyMap = mapParallel(mockDiffContent);
const props = {
line: applyMap(thisLine),
fileHash: diffFileMockData.file_hash,
filePath: diffFileMockData.file_path,
contextLinesPath: 'contextLinesPath',
isHighlighted: false,
};
const name = diffFileMockData.file_path;
const line = rightLine.new_line;
it('for lines with coverage', () => {
const coverageFiles = { files: { [name]: { [line]: 5 } } };
const wrapper = createWrapper({ props, state: { coverageFiles } });
const coverage = wrapper.find('.line-coverage.right-side');
expect(coverage.attributes('title')).toContain('Test coverage: 5 hits');
expect(coverage.classes('coverage')).toBeTruthy();
});
it('for lines without coverage', () => {
const coverageFiles = { files: { [name]: { [line]: 0 } } };
const wrapper = createWrapper({ props, state: { coverageFiles } });
const coverage = wrapper.find('.line-coverage.right-side');
expect(coverage.attributes('title')).toContain('No test coverage');
expect(coverage.classes('no-coverage')).toBeTruthy();
});
it('for unknown lines', () => {
const coverageFiles = {};
const wrapper = createWrapper({ props, state: { coverageFiles } });
const coverage = wrapper.find('.line-coverage.right-side');
expect(coverage.attributes('title')).toBeFalsy();
expect(coverage.classes('coverage')).toBeFalsy();
expect(coverage.classes('no-coverage')).toBeFalsy();
});
});
describe('interoperability', () => {
it.each`
desc | line | inline | leftSide | rightSide
${'with inline and new_line'} | ${{ left: { old_line: 3, new_line: 5, type: 'new' } }} | ${true} | ${{ type: 'new', line: '5', oldLine: '3', newLine: '5' }} | ${null}
${'with inline and no new_line'} | ${{ left: { old_line: 3, type: 'old' } }} | ${true} | ${{ type: 'old', line: '3', oldLine: '3' }} | ${null}
${'with parallel and no right side'} | ${{ left: { old_line: 3, new_line: 5 } }} | ${false} | ${{ type: 'old', line: '3', oldLine: '3' }} | ${null}
${'with parallel and no left side'} | ${{ right: { old_line: 3, new_line: 5 } }} | ${false} | ${null} | ${{ type: 'new', line: '5', newLine: '5' }}
${'with parallel and right side'} | ${{ left: { old_line: 3 }, right: { new_line: 5 } }} | ${false} | ${{ type: 'old', line: '3', oldLine: '3' }} | ${{ type: 'new', line: '5', newLine: '5' }}
`('$desc, sets interop data attributes', ({ line, inline, leftSide, rightSide }) => {
const wrapper = createWrapper({ props: { line, inline } });
expect(findInteropAttributes(wrapper, '[data-testid="left-side"]')).toEqual(leftSide);
expect(findInteropAttributes(wrapper, '[data-testid="right-side"]')).toEqual(rightSide);
});
});
});
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