def _download(self):
logger = logging.getLogger("detect")
url = self.detector.jar_url
logger.info("Loading detector from '%s'...", url)
file = self.detector.jar_path
try:
if not exists(self.detector.md5_path):
raise FileNotFoundError("Cannot validate download, MD5-checksum file '{}' missing".format(self.detector.md5_path))
download_file(url, file, self.detector.md5_path)
except (FileNotFoundError, ValueError, URLError) as e:
logger.error("Download failed: %s", e)
exit(1)
def exec_util(main: str, args: str = ""):
base_path = dirname(__file__)
utils_jar_path = join(base_path, UTILS_JAR_NAME)
if exists(utils_jar_path) and not is_valid_file(utils_jar_path, UTILS_MD5):
remove(utils_jar_path)
if not exists(utils_jar_path):
try:
download_file(UTILS_JAR_URL, utils_jar_path, UTILS_MD5)
except (URLError, ValueError, FileNotFoundError) as e:
raise ValueError("utils unavailable: {}".format(e))
return Shell.exec('java -cp "{}" de.tu_darmstadt.stg.mubench.utils.{} {}'.format(utils_jar_path, main, args))
def create(self) -> None:
makedirs(self.checkout_dir, exist_ok=True)
bundle_file = join(self.checkout_dir, "bundle.zip")
download_file(self.url, bundle_file, self.md5_checksum)
with ZipFile(bundle_file) as zip_file:
zip_file.extractall(self.checkout_dir)
def test_invalidates_download(self):
with assert_raises(ValueError):
download_file(self.url, self.target, ":wrong-md5:")
assert not exists(self.target)
def test_validates_download(self):
download_file(self.url, self.target, EMPTY_FILE_MD5)
assert exists(self.target)
def test_raises_on_unavailable(self):
with assert_raises(URLError):
download_file("http://unavailable.sven-amann.de/file", self.target)
def test_raises_on_invalid_url(self):
with assert_raises(ValueError):
download_file(":invalid-url:", self.target)
def test_downloads_file(self):
download_file(self.url, self.target)
assert exists(self.target)
