debian-mirror-gitlab/spec/frontend_integration/diffs/diffs_interopability_spec.js
2021-10-27 15:23:28 +05:30

144 lines
4.3 KiB
JavaScript

import { waitFor } from '@testing-library/dom';
import setWindowLocation from 'helpers/set_window_location_helper';
import { TEST_HOST } from 'helpers/test_constants';
import initDiffsApp from '~/diffs';
import { createStore } from '~/mr_notes/stores';
import {
getDiffCodePart,
getLineNumberFromCodeElement,
getCodeElementFromLineNumber,
} from './diffs_interopability_api';
const TEST_PROJECT_PATH = 'gitlab-org/gitlab-test';
const TEST_BASE_URL = `/${TEST_PROJECT_PATH}/-/merge_requests/1/`;
const TEST_DIFF_FILE = 'files/js/commit.coffee';
const EXPECT_INLINE = [
['head', 1],
['head', 2],
['head', 3],
['base', 4],
['head', 4],
null,
['base', 6],
['head', 6],
null,
];
const EXPECT_PARALLEL_LEFT_SIDE = [
['base', 1],
['base', 2],
['base', 3],
['base', 4],
null,
['base', 6],
null,
];
const EXPECT_PARALLEL_RIGHT_SIDE = [
['head', 1],
['head', 2],
['head', 3],
['head', 4],
null,
['head', 6],
null,
];
const startDiffsApp = () => {
const el = document.createElement('div');
el.id = 'js-diffs-app';
document.body.appendChild(el);
Object.assign(el.dataset, {
endpoint: TEST_BASE_URL,
endpointMetadata: `${TEST_BASE_URL}diffs_metadata.json`,
endpointBatch: `${TEST_BASE_URL}diffs_batch.json`,
projectPath: TEST_PROJECT_PATH,
helpPagePath: '/help',
currentUserData: 'null',
changesEmptyStateIllustration: '',
isFluidLayout: 'false',
dismissEndpoint: '',
showSuggestPopover: 'false',
showWhitespaceDefault: 'true',
viewDiffsFileByFile: 'false',
defaultSuggestionCommitMessage: 'Lorem ipsum',
});
const store = createStore();
const vm = initDiffsApp(store);
store.dispatch('setActiveTab', 'diffs');
return vm;
};
describe('diffs third party interoperability', () => {
let vm;
afterEach(() => {
vm.$destroy();
document.body.innerHTML = '';
});
const tryOrErrorMessage = (fn) => (...args) => {
try {
return fn(...args);
} catch (e) {
return e.message;
}
};
const findDiffFile = () => document.querySelector(`.diff-file[data-path="${TEST_DIFF_FILE}"]`);
const hasLines = (sel = 'tr.line_holder') => findDiffFile().querySelectorAll(sel).length > 0;
const findLineElements = (sel = 'tr.line_holder') =>
Array.from(findDiffFile().querySelectorAll(sel));
const findCodeElements = (lines, sel = 'td.line_content') => {
return lines.map((x) => x.querySelector(`${sel} span.line`));
};
const getCodeElementsInteropModel = (codeElements) =>
codeElements.map(
(x) =>
x && [
tryOrErrorMessage(getDiffCodePart)(x),
tryOrErrorMessage(getLineNumberFromCodeElement)(x),
],
);
describe.each`
desc | view | rowSelector | codeSelector | expectation
${'inline view'} | ${'inline'} | ${'.diff-tr.line_holder'} | ${'.diff-td.line_content'} | ${EXPECT_INLINE}
${'parallel view left side'} | ${'parallel'} | ${'.diff-tr.line_holder'} | ${'.diff-td.line_content.left-side'} | ${EXPECT_PARALLEL_LEFT_SIDE}
${'parallel view right side'} | ${'parallel'} | ${'.diff-tr.line_holder'} | ${'.diff-td.line_content.right-side'} | ${EXPECT_PARALLEL_RIGHT_SIDE}
`('$desc', ({ view, rowSelector, codeSelector, expectation }) => {
beforeEach(async () => {
setWindowLocation(`${TEST_HOST}/${TEST_BASE_URL}/diffs?view=${view}`);
vm = startDiffsApp();
await waitFor(() => expect(hasLines(rowSelector)).toBe(true));
});
it('should match diff model', () => {
const lines = findLineElements(rowSelector);
const codes = findCodeElements(lines, codeSelector);
expect(getCodeElementsInteropModel(codes)).toEqual(expectation);
});
it.each`
lineNumber | part | expectedText
${4} | ${'base'} | ${'new CommitFile(this)'}
${4} | ${'head'} | ${'new CommitFile(@)'}
${2} | ${'base'} | ${'constructor: ->'}
${2} | ${'head'} | ${'constructor: ->'}
`(
'should find code element lineNumber=$lineNumber part=$part',
({ lineNumber, part, expectedText }) => {
const codeElement = getCodeElementFromLineNumber(findDiffFile(), lineNumber, part);
expect(codeElement.textContent.trim()).toBe(expectedText);
},
);
});
});