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metamask-extension/development/fitness-functions/check-mocha-syntax.js

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const {
EXCLUDE_E2E_TESTS_REGEX,
filterDiffAdditions,
filterDiffByFilePath,
hasNumberOfCodeBlocksIncreased,
} = require('./shared');
function checkMochaSyntax(diff) {
const ruleHeading = 'favor-jest-instead-of-mocha';
const codeBlocks = [
"import { strict as assert } from 'assert';",
'assert.deepEqual',
'assert.equal',
'assert.rejects',
'assert.strictEqual',
'sinon.',
];
console.log(`\nChecking ${ruleHeading}...`);
const diffByFilePath = filterDiffByFilePath(diff, EXCLUDE_E2E_TESTS_REGEX);
const diffAdditions = filterDiffAdditions(diffByFilePath);
const hashmap = hasNumberOfCodeBlocksIncreased(diffAdditions, codeBlocks);
Object.keys(hashmap).forEach((key) => {
if (hashmap[key]) {
console.error(`Number of occurences of "${key}" have increased.`);
}
});
if (Object.values(hashmap).includes(true)) {
console.error(
`...changes have not been accepted by the fitness function.\nFor more info, see: https://github.com/MetaMask/metamask-extension/blob/develop/docs/testing.md#${ruleHeading}`,
);
process.exit(1);
} else {
console.log(
`...number of occurences has not increased for any code block.`,
);
process.exit(0);
}
}
module.exports = { checkMochaSyntax };