def test_delete_instance__ok(meta: MetadataRepository, created_instance):
image, environment = created_instance.image_id, created_instance.environment_id
assert meta.get_instances(image, environment) == [created_instance]
meta.delete_instance(created_instance)
assert meta.get_instances(image, environment) == []
def test_get_instances__full(meta: MetadataRepository, created_image,
created_environment, created_instance):
assert meta.get_instances(created_image,
created_environment) == [created_instance]
def test_get_instances__empty(meta: MetadataRepository, created_image,
created_environment):
assert meta.get_instances(created_image, created_environment) == []