mirror of
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82 lines
3.2 KiB
Python
82 lines
3.2 KiB
Python
# Copyright 2025 Collate
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# Licensed under the Collate Community License, Version 1.0 (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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# https://github.com/open-metadata/OpenMetadata/blob/main/ingestion/LICENSE
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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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"""
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Check context manager operations
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"""
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from unittest import TestCase
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from unittest.mock import patch
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from metadata.ingestion.models.topology import TopologyContextManager
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from metadata.ingestion.source.database.database_service import DatabaseServiceTopology
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MAIN_THREAD = 1
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OTHER_THREAD = 2
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MOCK_DATABASE_NAME = "MyDatabase"
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class TopologyContextManagerTest(TestCase):
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"""Validate context manager ops"""
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def __init__(self, methodName) -> None:
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super().__init__(methodName)
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# Randomly picked up to test
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self.topology = DatabaseServiceTopology()
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with patch("threading.get_ident", return_value=MAIN_THREAD):
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self.manager = TopologyContextManager(self.topology)
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def test_main_thread_is_set_correctly(self):
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"""Asserts self.main_thread is set accordingly."""
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self.assertEqual(self.manager.main_thread, MAIN_THREAD)
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def test_get_returns_correct_context(self):
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"""Asserts get and get_global returns the correct context even on a different thread."""
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# Create a new thread context based on the main thread
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with patch("threading.get_ident", return_value=OTHER_THREAD):
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# Create the new thread context based on the main thread one
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self.manager.copy_from(MAIN_THREAD)
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self.manager.get_global().database = MOCK_DATABASE_NAME
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self.assertEqual(self.manager.get().database, None)
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self.assertEqual(self.manager.get_global().database, MOCK_DATABASE_NAME)
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def test_thread_is_created_correctly(self):
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"""Asserts copy_from copies correctly the context from parent thread."""
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# Set the 'database' attribute
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with patch("threading.get_ident", return_value=MAIN_THREAD):
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self.manager.get().database = MOCK_DATABASE_NAME
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with patch("threading.get_ident", return_value=OTHER_THREAD):
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# Create the new thread context based on the main thread one
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self.manager.copy_from(MAIN_THREAD)
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# Check we are retrieving the right thread
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self.assertEqual(self.manager.get().database, MOCK_DATABASE_NAME)
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def test_pop_removes_the_correct_thread(self):
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"""Asserts pop removes the correct thread and not another one."""
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with patch("threading.get_ident", return_value=OTHER_THREAD):
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self.manager.copy_from(MAIN_THREAD)
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self.assertEqual(
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list(self.manager.contexts.keys()), [MAIN_THREAD, OTHER_THREAD]
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)
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self.manager.pop(OTHER_THREAD)
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self.assertEqual(list(self.manager.contexts.keys()), [MAIN_THREAD])
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