Method createFileAssert

lib/internal/test_runner/snapshot.js:212–243

()

  }

  createFileAssert() {
    const manager = this;

    return function fileSnapshotAssertion(actual, path, options = kEmptyObject) {
      validateString(path, 'path');
      validateObject(options, 'options');
      const {
        serializers = serializerFns,
      } = options;
      validateFunctionArray(serializers, 'options.serializers');
      const value = manager.serializeWithoutEscape(actual, serializers);

      if (manager.updateSnapshots) {
        try {
          mkdirSync(dirname(path), { __proto__: null, recursive: true });
          writeFileSync(path, value, 'utf8');
        } catch (err) {
          throwWriteError(err, path);
        }
      } else {
        let expected;

        try {
          expected = readFileSync(path, 'utf8');
        } catch (err) {
          throwReadError(err, path);
        }

        strictEqual(value, expected);
      }
    };
  }
}

function throwReadError(err, filename) {