def get_value(key, default_value=None, constructor=None):
"""Get the value for a key."""
value_path = get_value_file_path(key)
if not os.path.exists(value_path):
return default_value
try:
with open(value_path, 'rb') as f:
value_str = f.read()
except IOError:
logs.log_error('Failed to read %s from persistent cache.' % key)
value_str = None
if value_str is None:
return None
try:
value = json_utils.loads(value_str)
except Exception:
logs.log_error('Non-serializable value read from cache key %s: "%s"' %
(key, value_str))
value = default_value
if constructor:
try:
value = constructor(value)
except Exception:
logs.log_warn(
'Failed to construct value "%s" using %s '
'and key "%s" in persistent cache. Using default value %s.' %
(value, constructor, key, default_value))
value = default_value
return value
def get_metadata(self, key=None, default=None):
"""Emulate Testcase's get_metadata function."""
metadata = json_utils.loads(self.additional_metadata)
if not key:
return metadata
try:
return self.metadata[key]
except KeyError:
return default
def _get_testcase(testcase_id):
"""Retrieve the json representation of the test case with the given id."""
response, content = _http_request(TESTCASE_INFO_URL,
body={'testcaseId': testcase_id})
if response.status != 200:
raise ReproduceToolException('Unable to fetch test case information.')
testcase_map = json_utils.loads(content)
return SerializedTestcase(testcase_map)
def __init__(self, testcase_url):
testcase_url_parts = parse.urlparse(testcase_url)
config_url = testcase_url_parts._replace(
path=REPRODUCE_TOOL_CONFIG_HANDLER).geturl()
response, content = http_utils.request(config_url, body={})
if response.status != 200:
raise errors.ReproduceToolUnrecoverableError(
'Failed to access server.')
self._config = json_utils.loads(content)
def _ensure_metadata_is_cached(self):
"""Ensure that the metadata for this has been cached."""
if hasattr(self, 'metadata_cache'):
return
try:
cache = json_utils.loads(self.additional_metadata)
except (TypeError, ValueError):
cache = {}
setattr(self, 'metadata_cache', cache)
def _get_testcase(testcase_id, configuration):
"""Retrieve the json representation of the test case with the given id."""
response, content = http_utils.request(
configuration.get('testcase_info_url'),
body={'testcaseId': testcase_id},
configuration=configuration)
if response.status != 200:
raise errors.ReproduceToolUnrecoverableError(
'Unable to fetch test case information.')
testcase_map = json_utils.loads(content)
return SerializedTestcase(testcase_map)
def test(self):
"""Tests json_utils.loads with various primitive data types."""
self.assertEqual(json_utils.loads('"string"'), 'string')
self.assertEqual(json_utils.loads('true'), True)
self.assertEqual(json_utils.loads('false'), False)
self.assertEqual(json_utils.loads('-5'), -5)
self.assertEqual(json_utils.loads('0'), 0)
self.assertEqual(json_utils.loads('10'), 10)
self.assertEqual(json_utils.loads('12.0'), 12.0)
self.assertEqual(
json_utils.loads(
'{"second": 3, "microsecond": 9, "hour": 1, "year": 2018, '
'"__type__": "datetime", "day": 4, "minute": 2, "month": 2}'),
datetime.datetime(2018, 2, 4, 1, 2, 3, 9))
self.assertEqual(
json_utils.loads(
'{"__type__": "date", "day": 20, "month": 3, "year": 2018}'),
datetime.date(2018, 3, 20))
