mirror of https://github.com/facebook/jest.git
38 lines
1.2 KiB
TypeScript
38 lines
1.2 KiB
TypeScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import * as path from 'path';
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import {readFileSync} from 'graceful-fs';
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import {cleanup, runYarnInstall} from '../Utils';
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import runJest from '../runJest';
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const dir = path.resolve(__dirname, '../coverage-transform-instrumented');
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const coverageDir = path.join(dir, 'coverage');
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beforeAll(() => {
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cleanup(coverageDir);
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});
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it('code coverage for transform instrumented code', () => {
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runYarnInstall(dir);
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const result = runJest(dir, ['--coverage', '--no-cache']);
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expect(result.exitCode).toBe(0);
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const coverageMapFile = path.join(coverageDir, 'coverage-final.json');
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const coverageMap = JSON.parse(readFileSync(coverageMapFile, 'utf8'));
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// reduce absolute paths embedded in the coverage map to just filenames
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for (const filename of Object.keys(coverageMap)) {
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coverageMap[filename].path = path.basename(coverageMap[filename].path);
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delete coverageMap[filename].hash;
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coverageMap[path.basename(filename)] = coverageMap[filename];
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delete coverageMap[filename];
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}
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expect(coverageMap).toMatchSnapshot();
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});
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