def test_get_ok(self):
with mock.patch('subprocess.check_output') as sub:
sub.return_value = 'Client version: 1.3.1b, Server version: 1.3'
self.assertEquals(
cmds.get_version('docker'),
[Decimal('1.3'), Decimal('1.3')]
)
def test_get_wrong(self):
with mock.patch('subprocess.check_output') as sub:
with self.assertRaises(ValueError):
sub.return_value = 'wat?'
cmds.get_version('docker')
def test_get_fails(self):
with mock.patch('subprocess.check_output') as sub:
with self.assertRaises(ValueError):
sub.side_effect = OSError
cmds.get_version('docker')