def __init__(self):
"""Create Preferences object."""
self._preferences = {
'version': Preferences._VERSION
}
self._packages_changed = False
self._credentials_changed = False
self._logging_config_changed = False
self._token = None
self._url = Preferences.URL
self._proxy_urls = None
credentials = discover_credentials()
if credentials is not None:
credentials = list(credentials.values())
if len(credentials) > 0:
credentials = credentials[0]
self._token = credentials.token
self._url = credentials.url
if 'urls' in credentials.proxies:
self._proxy_urls = credentials.proxies['urls']
home = os.path.expanduser("~")
self._filepath = os.path.join(home, Preferences._FILENAME)
try:
with open(self._filepath) as json_pref:
self._preferences = json.load(json_pref)
except:
pass
def _get_credentials(test_object, test_options):
"""
Finds the credentials for a specific test and options.
Args:
test_object (QiskitTestCase): The test object asking for credentials
test_options (dict): Options after QISKIT_TESTS was parsed by get_test_options.
Returns:
Credentials: set of credentials
Raises:
Exception: When the credential could not be set and they are needed for that set of options
"""
dummy_credentials = Credentials(
'dummyapiusersloginWithTokenid01',
'https://quantumexperience.ng.bluemix.net/api')
if test_options['mock_online']:
return dummy_credentials
if os.getenv('USE_ALTERNATE_ENV_CREDENTIALS', False):
# Special case: instead of using the standard credentials mechanism,
# load them from different environment variables. This assumes they
# will always be in place, as is used by the Travis setup.
return Credentials(os.getenv('IBMQ_TOKEN'), os.getenv('IBMQ_URL'))
else:
# Attempt to read the standard credentials.
discovered_credentials = discover_credentials()
if discovered_credentials:
# Decide which credentials to use for testing.
if len(discovered_credentials) > 1:
try:
# Attempt to use QE credentials.
return discovered_credentials[
dummy_credentials.unique_id()]
except KeyError:
pass
# Use the first available credentials.
return list(discovered_credentials.values())[0]
# No user credentials were found.
if test_options['rec']:
raise Exception(
'Could not locate valid credentials. You need them for recording '
'tests against the remote API.')
test_object.log.warning(
"No user credentials were detected. Running with mocked data.")
test_options['mock_online'] = True
return dummy_credentials
def test_qconfig_over_all(self):
"""Test order, with qconfig"""
credentials = Credentials('QISKITRC_TOKEN', url=QE_URL)
with custom_qiskitrc():
# Prepare the credentials: qconfig, env and qiskitrc present
store_credentials(credentials)
with custom_qconfig(b"APItoken='QCONFIG_TOKEN'"),\
custom_envs({'QE_TOKEN': 'ENVIRON_TOKEN'}):
credentials = discover_credentials()
self.assertEqual(len(credentials), 1)
self.assertEqual(list(credentials.values())[0].token, 'QCONFIG_TOKEN')
def test_environ_over_qiskitrc(self):
"""Test order, without qconfig"""
credentials = Credentials('QISKITRC_TOKEN', url=QE_URL)
with custom_qiskitrc():
# Prepare the credentials: both env and qiskitrc present
store_credentials(credentials)
with no_file('Qconfig.py'), custom_envs({'QE_TOKEN': 'ENVIRON_TOKEN',
'QE_URL': 'ENVIRON_URL'}):
credentials = discover_credentials()
self.assertEqual(len(credentials), 1)
self.assertEqual(list(credentials.values())[0].token, 'ENVIRON_TOKEN')