/
coverageTransformInstrumented.test.ts
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/
coverageTransformInstrumented.test.ts
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import * as path from 'path';
import {readFileSync} from 'graceful-fs';
import {cleanup, run} from '../Utils';
import runJest from '../runJest';
const dir = path.resolve(__dirname, '../coverage-transform-instrumented');
const coverageDir = path.join(dir, 'coverage');
beforeAll(() => {
cleanup(coverageDir);
});
it('code coverage for transform instrumented code', () => {
run('yarn', dir);
const result = runJest(dir, ['--coverage', '--no-cache']);
expect(result.exitCode).toBe(0);
const coverageMapFile = path.join(coverageDir, 'coverage-final.json');
const coverageMap = JSON.parse(readFileSync(coverageMapFile, 'utf-8'));
// reduce absolute paths embedded in the coverage map to just filenames
Object.keys(coverageMap).forEach(filename => {
coverageMap[filename].path = path.basename(coverageMap[filename].path);
delete coverageMap[filename].hash;
coverageMap[path.basename(filename)] = coverageMap[filename];
delete coverageMap[filename];
});
expect(coverageMap).toMatchSnapshot();
});