mirror of
https://github.com/datahub-project/datahub.git
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84 lines
2.4 KiB
Python
84 lines
2.4 KiB
Python
import shutil
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from typing import List
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from unittest import mock
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import packaging.version
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import pytest
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from freezegun import freeze_time
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from great_expectations.data_context import FileDataContext
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from datahub.emitter.mcp import MetadataChangeProposalWrapper
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from datahub.ingestion.sink.file import write_metadata_file
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from datahub.testing.compare_metadata_json import assert_metadata_files_equal
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from datahub.testing.docker_utils import wait_for_port
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try:
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from great_expectations import __version__ as GX_VERSION # type: ignore
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use_gx_folder = packaging.version.parse(GX_VERSION) > packaging.version.Version(
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"0.17.0"
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)
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except Exception:
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use_gx_folder = False
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FROZEN_TIME = "2021-12-28 12:00:00"
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class MockDatahubEmitter:
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def __init__(self, gms_server: str):
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self.mcps: List[MetadataChangeProposalWrapper] = []
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def emit_mcp(self, mcp: MetadataChangeProposalWrapper) -> None:
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self.mcps.append(mcp)
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def write_to_file(self, filename):
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write_metadata_file(filename, self.mcps)
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@freeze_time(FROZEN_TIME)
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@pytest.mark.integration
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@pytest.mark.parametrize(
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"checkpoint, golden_json",
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[
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("test_checkpoint", "ge_mcps_golden.json"),
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("test_checkpoint_2", "ge_mcps_golden_2.json"),
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],
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)
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def test_ge_ingest(
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docker_compose_runner,
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pytestconfig,
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tmp_path,
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checkpoint,
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golden_json,
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**kwargs,
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):
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test_resources_dir = pytestconfig.rootpath / "tests/integration"
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with docker_compose_runner(
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test_resources_dir / "docker-compose.yml", "great-expectations"
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) as docker_services, mock.patch(
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"datahub.emitter.rest_emitter.DatahubRestEmitter.emit_mcp"
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) as mock_emit_mcp:
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wait_for_port(docker_services, "ge_postgres", 5432)
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emitter = MockDatahubEmitter("")
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mock_emit_mcp.side_effect = emitter.emit_mcp
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gx_context_folder_name = "gx" if use_gx_folder else "great_expectations"
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shutil.copytree(
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test_resources_dir / "setup/great_expectations",
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tmp_path / gx_context_folder_name,
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)
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context = FileDataContext.create(tmp_path)
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context.run_checkpoint(checkpoint_name=checkpoint)
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emitter.write_to_file(tmp_path / "ge_mcps.json")
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assert_metadata_files_equal(
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output_path=tmp_path / "ge_mcps.json",
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golden_path=test_resources_dir / golden_json,
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ignore_paths=[],
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)
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