function runTest()

in src/testUtils.js [82:101]

• 18 lines of code
• 2 McCabe index (conditional complexity)

function runTest(dirName, transformName, options, testFilePrefix, testOptions = {}) {
  if (!testFilePrefix) {
    testFilePrefix = transformName;
  }

  const extension = extensionForParser(testOptions.parser)
  const fixtureDir = path.join(dirName, '..', '__testfixtures__');
  const inputPath = path.join(fixtureDir, testFilePrefix + `.input.${extension}`);
  const source = fs.readFileSync(inputPath, 'utf8');
  const expectedOutput = fs.readFileSync(
    path.join(fixtureDir, testFilePrefix + `.output.${extension}`),
    'utf8'
  );
  // Assumes transform is one level up from __tests__ directory
  const module = require(path.join(dirName, '..', transformName));
  runInlineTest(module, options, {
    path: inputPath,
    source
  }, expectedOutput, testOptions);
}