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bundle_test.py
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bundle_test.py
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from __future__ import absolute_import
from __future__ import unicode_literals
import docker
import pytest
from .. import mock
from compose import bundle
from compose import service
from compose.cli.errors import UserError
from compose.config.config import Config
from compose.const import COMPOSEFILE_V2_0 as V2_0
from compose.service import NoSuchImageError
@pytest.fixture
def mock_service():
return mock.create_autospec(
service.Service,
client=mock.create_autospec(docker.APIClient),
options={})
def test_get_image_digest_exists(mock_service):
mock_service.options['image'] = 'abcd'
mock_service.image.return_value = {'RepoDigests': ['digest1']}
digest = bundle.get_image_digest(mock_service)
assert digest == 'digest1'
def test_get_image_digest_image_uses_digest(mock_service):
mock_service.options['image'] = image_id = 'redis@sha256:digest'
digest = bundle.get_image_digest(mock_service)
assert digest == image_id
assert not mock_service.image.called
def test_get_image_digest_from_repository(mock_service):
mock_service.options['image'] = 'abcd'
mock_service.image_name = 'abcd'
mock_service.image.side_effect = NoSuchImageError(None)
mock_service.get_image_registry_data.return_value = {'Descriptor': {'digest': 'digest'}}
digest = bundle.get_image_digest(mock_service)
assert digest == 'abcd@digest'
def test_get_image_digest_no_image(mock_service):
with pytest.raises(UserError) as exc:
bundle.get_image_digest(service.Service(name='theservice'))
assert "doesn't define an image tag" in exc.exconly()
def test_push_image_with_saved_digest(mock_service):
mock_service.options['build'] = '.'
mock_service.options['image'] = image_id = 'abcd'
mock_service.push.return_value = expected = 'sha256:thedigest'
mock_service.image.return_value = {'RepoDigests': ['digest1']}
digest = bundle.push_image(mock_service)
assert digest == image_id + '@' + expected
mock_service.push.assert_called_once_with()
assert not mock_service.client.push.called
def test_push_image(mock_service):
mock_service.options['build'] = '.'
mock_service.options['image'] = image_id = 'abcd'
mock_service.push.return_value = expected = 'sha256:thedigest'
mock_service.image.return_value = {'RepoDigests': []}
digest = bundle.push_image(mock_service)
assert digest == image_id + '@' + expected
mock_service.push.assert_called_once_with()
mock_service.client.pull.assert_called_once_with(digest)
def test_to_bundle():
image_digests = {'a': 'aaaa', 'b': 'bbbb'}
services = [
{'name': 'a', 'build': '.', },
{'name': 'b', 'build': './b'},
]
config = Config(
version=V2_0,
services=services,
volumes={'special': {}},
networks={'extra': {}},
secrets={},
configs={},
project_name=''
)
with mock.patch('compose.bundle.log.warning', autospec=True) as mock_log:
output = bundle.to_bundle(config, image_digests)
assert mock_log.mock_calls == [
mock.call("Unsupported top level key 'networks' - ignoring"),
mock.call("Unsupported top level key 'volumes' - ignoring"),
]
assert output == {
'Version': '0.1',
'Services': {
'a': {'Image': 'aaaa', 'Networks': ['default']},
'b': {'Image': 'bbbb', 'Networks': ['default']},
}
}
def test_convert_service_to_bundle():
name = 'theservice'
image_digest = 'thedigest'
service_dict = {
'ports': ['80'],
'expose': ['1234'],
'networks': {'extra': {}},
'command': 'foo',
'entrypoint': 'entry',
'environment': {'BAZ': 'ENV'},
'build': '.',
'working_dir': '/tmp',
'user': 'root',
'labels': {'FOO': 'LABEL'},
'privileged': True,
}
with mock.patch('compose.bundle.log.warning', autospec=True) as mock_log:
config = bundle.convert_service_to_bundle(name, service_dict, image_digest)
mock_log.assert_called_once_with(
"Unsupported key 'privileged' in services.theservice - ignoring")
assert config == {
'Image': image_digest,
'Ports': [
{'Protocol': 'tcp', 'Port': 80},
{'Protocol': 'tcp', 'Port': 1234},
],
'Networks': ['extra'],
'Command': ['entry', 'foo'],
'Env': ['BAZ=ENV'],
'WorkingDir': '/tmp',
'User': 'root',
'Labels': {'FOO': 'LABEL'},
}
def test_set_command_and_args_none():
config = {}
bundle.set_command_and_args(config, [], [])
assert config == {}
def test_set_command_and_args_from_command():
config = {}
bundle.set_command_and_args(config, [], "echo ok")
assert config == {'Args': ['echo', 'ok']}
def test_set_command_and_args_from_entrypoint():
config = {}
bundle.set_command_and_args(config, "echo entry", [])
assert config == {'Command': ['echo', 'entry']}
def test_set_command_and_args_from_both():
config = {}
bundle.set_command_and_args(config, "echo entry", ["extra", "arg"])
assert config == {'Command': ['echo', 'entry', "extra", "arg"]}
def test_make_service_networks_default():
name = 'theservice'
service_dict = {}
with mock.patch('compose.bundle.log.warning', autospec=True) as mock_log:
networks = bundle.make_service_networks(name, service_dict)
assert not mock_log.called
assert networks == ['default']
def test_make_service_networks():
name = 'theservice'
service_dict = {
'networks': {
'foo': {
'aliases': ['one', 'two'],
},
'bar': {}
},
}
with mock.patch('compose.bundle.log.warning', autospec=True) as mock_log:
networks = bundle.make_service_networks(name, service_dict)
mock_log.assert_called_once_with(
"Unsupported key 'aliases' in services.theservice.networks.foo - ignoring")
assert sorted(networks) == sorted(service_dict['networks'])
def test_make_port_specs():
service_dict = {
'expose': ['80', '500/udp'],
'ports': [
'400:80',
'222',
'127.0.0.1:8001:8001',
'127.0.0.1:5000-5001:3000-3001'],
}
port_specs = bundle.make_port_specs(service_dict)
assert port_specs == [
{'Protocol': 'tcp', 'Port': 80},
{'Protocol': 'tcp', 'Port': 222},
{'Protocol': 'tcp', 'Port': 8001},
{'Protocol': 'tcp', 'Port': 3000},
{'Protocol': 'tcp', 'Port': 3001},
{'Protocol': 'udp', 'Port': 500},
]
def test_make_port_spec_with_protocol():
port_spec = bundle.make_port_spec("5000/udp")
assert port_spec == {'Protocol': 'udp', 'Port': 5000}
def test_make_port_spec_default_protocol():
port_spec = bundle.make_port_spec("50000")
assert port_spec == {'Protocol': 'tcp', 'Port': 50000}