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81 lines
3.1 KiB
Python
81 lines
3.1 KiB
Python
# Copyright 2021 Acryl Data, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import pytest
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from datahub.configuration.common import ConfigurationError
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from datahub.ingestion.api.registry import PluginRegistry
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from datahub_actions.plugin.transform.filter.filter_transformer import FilterTransformer
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from datahub_actions.transform.transformer import Transformer
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from datahub_actions.transform.transformer_registry import transformer_registry
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def test_registry_nonempty():
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assert len(transformer_registry.mapping) > 0
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def test_registry():
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fake_registry = PluginRegistry[Transformer]()
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fake_registry.register("filter", FilterTransformer)
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assert len(fake_registry.mapping) > 0
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assert fake_registry.is_enabled("filter")
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assert fake_registry.get("filter") == FilterTransformer
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assert (
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fake_registry.get(
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"datahub_actions.plugin.transform.filter.filter_transformer.FilterTransformer"
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)
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== FilterTransformer
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)
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# Test lazy-loading capabilities.
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fake_registry.register_lazy(
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"lazy-filter",
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"datahub_actions.plugin.transform.filter.filter_transformer.FilterTransformer",
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)
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assert fake_registry.get("lazy-filter") == FilterTransformer
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# Test Registry Errors
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fake_registry.register_lazy("lazy-error", "thisdoesnot.exist")
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with pytest.raises(ConfigurationError, match="disabled"):
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fake_registry.get("lazy-error")
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with pytest.raises(KeyError, match="special characters"):
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fake_registry.register("thisdoesnotexist.otherthing", FilterTransformer)
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with pytest.raises(KeyError, match="in use"):
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fake_registry.register("filter", FilterTransformer)
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with pytest.raises(KeyError, match="not find"):
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fake_registry.get("thisdoesnotexist")
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# Test error-checking on registered types.
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with pytest.raises(ValueError, match="abstract"):
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fake_registry.register("thisdoesnotexist", Transformer) # type: ignore
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class DummyClass: # Does not extend Transformer.
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pass
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with pytest.raises(ValueError, match="derived"):
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fake_registry.register("thisdoesnotexist", DummyClass) # type: ignore
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# Test disabled Transformer
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fake_registry.register_disabled(
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"disabled", ModuleNotFoundError("disabled transformer")
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)
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fake_registry.register_disabled(
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"disabled-exception", Exception("second disabled transformer")
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)
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with pytest.raises(ConfigurationError, match="disabled"):
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fake_registry.get("disabled")
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with pytest.raises(ConfigurationError, match="disabled"):
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fake_registry.get("disabled-exception")
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