runJest() — react Function Reference

Architecture documentation for the runJest() function in ReactClassEquivalence-test.js from the react codebase.

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Entity Profile

BabelCompiler→ Validation→ runJest() — react Function Reference

Dependency Diagram

graph TD
  b1e5784c_e64e_e2a7_fd2f_63ac07ddd3b0["runJest()"]
  6c44bc25_986e_32e0_87b2_01fa46a81931["ReactClassEquivalence-test.js"]
  b1e5784c_e64e_e2a7_fd2f_63ac07ddd3b0 -->|defined in| 6c44bc25_986e_32e0_87b2_01fa46a81931
  style b1e5784c_e64e_e2a7_fd2f_63ac07ddd3b0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react/src/__tests__/ReactClassEquivalence-test.js lines 28–68

function runJest(testFile) {
  const cwd = process.cwd();
  const extension = process.platform === 'win32' ? '.cmd' : '';
  const command = process.env.npm_lifecycle_event;
  const defaultReporter = '--reporters=default';
  const equivalenceReporter =
    '--reporters=<rootDir>/scripts/jest/spec-equivalence-reporter/equivalenceReporter.js';
  if (!command.startsWith('test')) {
    throw new Error(
      'Expected this test to run as a result of one of test commands.',
    );
  }
  const result = spawnSync(
    'yarn' + extension,
    [command, testFile, defaultReporter, equivalenceReporter],
    {
      cwd,
      env: Object.assign({}, process.env, {
        REACT_CLASS_EQUIVALENCE_TEST: 'true',
      }),
    },
  );

  if (result.error) {
    throw result.error;
  }

  if (result.status !== 0) {
    throw new Error(
      'jest process exited with: ' +
        result.status +
        '\n' +
        'stdout: ' +
        result.stdout.toString() +
        'stderr: ' +
        result.stderr.toString(),
    );
  }

  return result.stdout.toString() + result.stderr.toString();
}