def test_initializes_with_defaults(self):
task = GCSCopy()
assert task.source_bucket is None
assert task.source_blob is None
assert task.dest_bucket is None
assert task.dest_blob is None
assert task.project is None
def test_creds_are_pulled_from_secret_at_runtime(self, monkeypatch):
task = GCSCopy(
source_bucket="s",
source_blob="s",
dest_bucket="d",
dest_blob="d",
credentials_secret="GOOGLE_APPLICATION_CREDENTIALS",
)
creds_loader = MagicMock()
monkeypatch.setattr("prefect.utilities.gcp.Credentials", creds_loader)
monkeypatch.setattr("prefect.utilities.gcp.storage.Client",
MagicMock())
with prefect.context(secrets=dict(GOOGLE_APPLICATION_CREDENTIALS=42)):
task.run()
assert creds_loader.from_service_account_info.call_args[0][0] == 42
def test_project_is_pulled_from_creds_and_can_be_overriden_at_anytime(
self, monkeypatch):
task = GCSCopy(
source_bucket="s",
source_blob="s",
dest_bucket="d",
dest_blob="d",
credentials_secret="GOOGLE_APPLICATION_CREDENTIALS",
)
task_proj = GCSCopy(
source_bucket="s",
source_blob="s",
dest_bucket="d",
dest_blob="d",
project="test-init",
credentials_secret="GOOGLE_APPLICATION_CREDENTIALS",
)
client = MagicMock()
service_account_info = MagicMock(return_value=MagicMock(
project_id="default"))
monkeypatch.setattr(
"prefect.utilities.gcp.Credentials",
MagicMock(from_service_account_info=service_account_info),
)
monkeypatch.setattr("prefect.utilities.gcp.storage",
MagicMock(Client=client))
with prefect.context(secrets=dict(GOOGLE_APPLICATION_CREDENTIALS={})):
task.run()
task_proj.run()
task_proj.run(**{"project": "run-time"})
x, y, z = client.call_args_list
assert x[1]["project"] == "default" ## pulled from credentials
assert y[1]["project"] == "test-init" ## pulled from init
assert z[1]["project"] == "run-time" ## pulled from run kwarg
def test_same_source_and_dest(self):
with pytest.raises(ValueError):
GCSCopy().run(source_bucket="s",
source_blob="s",
dest_bucket="s",
dest_blob="s")
def test_missing_dest_blob(self):
with pytest.raises(ValueError):
GCSCopy().run(source_bucket="s", source_blob="s", dest_bucket="d")
def test_initializes_attr_from_kwargs(self, attr):
task = GCSCopy(**{attr: "my-value"})
assert getattr(task, attr) == "my-value"
def test_additional_kwargs_passed_upstream(self):
task = GCSCopy(name="test-task", checkpoint=True, tags=["bob"])
assert task.name == "test-task"
assert task.checkpoint is True
assert task.tags == {"bob"}