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/**
* @fileoverview Enforce consistent use of output assertions in rule tests
* @author Teddy Katz
*/
'use strict';
const utils = require('../utils');
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: 'enforce consistent use of output assertions in rule tests',
category: 'Tests',
recommended: false,
},
type: 'suggestion',
fixable: null, // or "code" or "whitespace"
schema: [
{
type: 'string',
enum: ['always', 'consistent'],
},
],
},
create (context) {
// ----------------------------------------------------------------------
// Public
// ----------------------------------------------------------------------
const always = context.options[0] && context.options[0] === 'always';
return {
Program (ast) {
utils.getTestInfo(context, ast).forEach(testRun => {
const readableCases = testRun.invalid.filter(testCase => testCase.type === 'ObjectExpression');
const casesWithoutOutput = readableCases
.filter(testCase => testCase.properties.map(utils.getKeyName).indexOf('output') === -1);
if (
(casesWithoutOutput.length < readableCases.length) ||
(always && casesWithoutOutput.length > 0)
) {
casesWithoutOutput.forEach(testCase => {
context.report({
node: testCase,
message: 'This test case should have an output assertion.',
});
});
}
});
},
};
},
};
|
