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60 lines
1.5 KiB
60 lines
1.5 KiB
'use strict';
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const createAstUtils = require('../util/ast');
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function newDescribeLayer(describeNode) {
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return {
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describeNode,
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before: false,
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after: false,
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beforeEach: false,
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afterEach: false
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};
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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 duplicate uses of a hook at the same level inside a describe'
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}
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},
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create(context) {
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const isUsed = [];
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const astUtils = createAstUtils(context.settings);
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return {
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Program(node) {
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isUsed.push(newDescribeLayer(node));
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},
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CallExpression(node) {
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const name = astUtils.getNodeName(node.callee);
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if (astUtils.isDescribe(node)) {
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isUsed.push(newDescribeLayer(node));
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return;
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}
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if (!astUtils.isHookIdentifier(node.callee)) {
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return;
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}
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if (isUsed[isUsed.length - 1][name]) {
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context.report({
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node: node.callee,
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message: `Unexpected use of duplicate Mocha \`${ name }\` hook`
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});
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}
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isUsed[isUsed.length - 1][name] = true;
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},
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'CallExpression:exit'(node) {
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if (isUsed[isUsed.length - 1].describeNode === node) {
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isUsed.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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