Method createTestFile

src/tests/common/command_utils_tests.cpp:44–66

{
protected:
  Try<Nothing> createTestFile(
      const Path& file,
      const Option<Path>& directory = None())
  {
    const Path testFile(
        directory.isSome() ?
        path::join(directory.get(), file.string()): file);

    const string& testFileDir = testFile.dirname();
    if (!os::exists(testFileDir)) {
      Try<Nothing> mkdir = os::mkdir(testFileDir, true);
      if (mkdir.isError()) {
        return Error("Failed to create test directory: " + mkdir.error());
      }
    }

    Try<Nothing> write = os::write(testFile, "test");
    if (write.isError()) {
      return Error("Failed to create to test file: " + write.error());
    }

    return Nothing();
  }
};