def test_docker_deps(mocker, monkeypatch):
class FakeFile(object):
def __init__(self, *Args, **kwargs):
pass
def read(self):
return "FROM my_awesome_base_image:42\nRUN sleep 1800000000"
def __exit__(self, exc_type, exc_val, exc_tb):
pass
def __enter__(self):
return self
def fake_open(*args, **kwargs):
return FakeFile()
mocker.patch("__builtin__.open", return_value=fake_open())
monkeypatch.setattr("os.path.exists", lambda _: True)
assert docker_deps("/toto/") == {"my_awesome_base_image"}
def test_docker_deps_empty(mocker, monkeypatch):
class FakeFile(object):
def __init__(self, *Args, **kwargs):
pass
def read(self):
return ""
def __exit__(self, exc_type, exc_val, exc_tb):
pass
def __enter__(self):
return self
def fake_open(*args, **kwargs):
return FakeFile()
mocker.patch("__builtin__.open", return_value=fake_open())
monkeypatch.setattr("os.path.exists", lambda _: True)
assert docker_deps("/toto/") == set()
def test_docker_deps_file_absent(monkeypatch):
monkeypatch.setattr("os.path.exists", lambda _: False)
assert docker_deps("/toto/") == set()