def test_config_load_multiple_explicit_configfiles(self):
"""Test more specific config overrides less specific one,
on a key by key basis, in a list of explicitly given files."""
file1 = u"""
[alpha]
endpoint = alpha
solver = DW_2000Q_1
"""
file2 = u"""
[alpha]
solver = DW_2000Q_2
"""
with mock.patch('dwave.cloud.config.open', create=True) as m:
m.side_effect = [
iterable_mock_open(file1)(),
iterable_mock_open(file2)()
]
section = load_config(config_file=['file1', 'file2'],
profile='alpha')
m.assert_has_calls(
[mock.call('file1', 'r'),
mock.call('file2', 'r')])
self.assertEqual(section['endpoint'], 'alpha')
self.assertEqual(section['solver'], 'DW_2000Q_2')
def test_backoff_constant(self):
"""Constant retry back-off."""
# 1s delay before a retry
backoff = 1
with mock.patch('time.sleep') as sleep:
@retried(retries=2, backoff=backoff)
def f():
raise ValueError
with self.assertRaises(ValueError):
f()
calls = [mock.call(backoff), mock.call(backoff)]
sleep.assert_has_calls(calls)
def test_backoff_func(self):
"""Retry back-off defined via callable."""
def backoff(retry):
return 2**retry
with mock.patch('time.sleep') as sleep:
@retried(retries=3, backoff=backoff)
def f():
raise ValueError
with self.assertRaises(ValueError):
f()
calls = [
mock.call(backoff(1)),
mock.call(backoff(2)),
mock.call(backoff(3))
]
sleep.assert_has_calls(calls)
def test_backoff_seq(self):
"""Retry back-off defined via list."""
# progressive delay
backoff = [1, 2, 3]
with mock.patch('time.sleep') as sleep:
@retried(retries=3, backoff=backoff)
def f():
raise ValueError
with self.assertRaises(ValueError):
f()
calls = [mock.call(b) for b in backoff]
sleep.assert_has_calls(calls)