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from __future__ import absolute_import
from __future__ import unicode_literals
from docker.errors import DockerException
from .testcases import DockerClientTestCase
from compose.volume import Volume
class VolumeTest(DockerClientTestCase):
def setUp(self):
self.tmp_volumes = []
def tearDown(self):
for volume in self.tmp_volumes:
try:
self.client.remove_volume(volume.full_name)
except DockerException:
pass
def create_volume(self, name, driver=None, opts=None, external=None):
if external and isinstance(external, bool):
external = name
vol = Volume(
self.client, 'composetest', name, driver=driver, driver_opts=opts,
external_name=external
)
self.tmp_volumes.append(vol)
return vol
def test_create_volume(self):
vol = self.create_volume('volume01')
vol.create()
info = self.client.inspect_volume(vol.full_name)
assert info['Name'] == vol.full_name
def test_recreate_existing_volume(self):
vol = self.create_volume('volume01')
vol.create()
info = self.client.inspect_volume(vol.full_name)
assert info['Name'] == vol.full_name
vol.create()
info = self.client.inspect_volume(vol.full_name)
assert info['Name'] == vol.full_name
def test_inspect_volume(self):
vol = self.create_volume('volume01')
vol.create()
info = vol.inspect()
assert info['Name'] == vol.full_name
def test_remove_volume(self):
vol = Volume(self.client, 'composetest', 'volume01')
vol.create()
vol.remove()
volumes = self.client.volumes()['Volumes']
assert len([v for v in volumes if v['Name'] == vol.full_name]) == 0
def test_external_volume(self):
vol = self.create_volume('composetest_volume_ext', external=True)
assert vol.external is True
assert vol.full_name == vol.name
vol.create()
info = vol.inspect()
assert info['Name'] == vol.name
def test_external_aliased_volume(self):
alias_name = 'composetest_alias01'
vol = self.create_volume('volume01', external=alias_name)
assert vol.external is True
assert vol.full_name == alias_name
vol.create()
info = vol.inspect()
assert info['Name'] == alias_name
def test_exists(self):
vol = self.create_volume('volume01')
assert vol.exists() is False
vol.create()
assert vol.exists() is True
def test_exists_external(self):
vol = self.create_volume('volume01', external=True)
assert vol.exists() is False
vol.create()
assert vol.exists() is True
def test_exists_external_aliased(self):
vol = self.create_volume('volume01', external='composetest_alias01')
assert vol.exists() is False
vol.create()
assert vol.exists() is True
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