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74 rivejä
2.1 KiB
74 rivejä
2.1 KiB
'use strict';
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const createAstUtils = require('../util/ast');
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function newLayer() {
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return {
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describeTitles: [],
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testTitles: []
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};
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}
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function isFirstArgLiteral(node) {
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return node.arguments && node.arguments[0] && node.arguments[0].type === 'Literal';
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}
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module.exports = {
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meta: {
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type: 'suggestion',
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docs: {
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description: 'Disallow identical titles'
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}
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},
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create(context) {
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const astUtils = createAstUtils(context.settings);
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const titleLayers = [ newLayer() ];
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function handlTestCaseTitles(titles, node, title) {
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if (astUtils.isTestCase(node)) {
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if (titles.includes(title)) {
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context.report({
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node,
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message: 'Test title is used multiple times in the same test suite.'
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});
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}
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titles.push(title);
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}
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}
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function handlTestSuiteTitles(titles, node, title) {
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if (!astUtils.isDescribe(node)) {
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return;
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}
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if (titles.includes(title)) {
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context.report({
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node,
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message: 'Test suite title is used multiple times.'
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});
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}
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titles.push(title);
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}
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return {
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CallExpression(node) {
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const currentLayer = titleLayers[titleLayers.length - 1];
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if (astUtils.isDescribe(node)) {
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titleLayers.push(newLayer());
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}
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if (!isFirstArgLiteral(node)) {
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return;
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}
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const title = node.arguments[0].value;
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handlTestCaseTitles(currentLayer.testTitles, node, title);
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handlTestSuiteTitles(currentLayer.describeTitles, node, title);
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},
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'CallExpression:exit'(node) {
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if (astUtils.isDescribe(node)) {
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titleLayers.pop();
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}
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}
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};
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}
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};
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