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71 lignes
2.3 KiB
71 lignes
2.3 KiB
'use strict';
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/* eslint "complexity": [ "error", 5 ] */
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const createAstUtils = require('../util/ast');
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module.exports = {
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meta: {
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type: 'problem',
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docs: {
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description: 'Disallow tests to be nested within other tests '
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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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let testNestingLevel = 0;
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let hookCallNestingLevel = 0;
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function report(callExpression, message) {
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context.report({
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message,
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node: callExpression.callee
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});
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}
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function isNestedTest(isTestCase, isDescribe, nestingLevel) {
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const isNested = nestingLevel > 0;
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const isTest = isTestCase || isDescribe;
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return isNested && isTest;
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}
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function checkForAndReportErrors(node, isTestCase, isDescribe, isHookCall) {
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if (isNestedTest(isTestCase, isDescribe, testNestingLevel)) {
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const message = isDescribe ?
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'Unexpected suite nested within a test.' :
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'Unexpected test nested within another test.';
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report(node, message);
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} else if (isNestedTest(isTestCase, isHookCall, hookCallNestingLevel)) {
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const message = isHookCall ?
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'Unexpected test hook nested within a test hook.' :
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'Unexpected test nested within a test hook.';
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report(node, message);
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}
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}
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return {
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CallExpression(node) {
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const isTestCase = astUtils.isTestCase(node);
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const isHookCall = astUtils.isHookCall(node);
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const isDescribe = astUtils.isDescribe(node);
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checkForAndReportErrors(node, isTestCase, isDescribe, isHookCall);
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if (isTestCase) {
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testNestingLevel += 1;
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} else if (isHookCall) {
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hookCallNestingLevel += 1;
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}
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},
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'CallExpression:exit'(node) {
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if (astUtils.isTestCase(node)) {
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testNestingLevel -= 1;
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} else if (astUtils.isHookCall(node)) {
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hookCallNestingLevel -= 1;
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}
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}
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};
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}
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};
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