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75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
import unittest
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from unittest.mock import MagicMock, patch
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from pyhive.sqlalchemy_hive import HiveCompiler
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from metadata.profiler.interface.sqlalchemy.databricks.profiler_interface import (
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DatabricksProfilerInterface,
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)
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class FakeHiveCompiler(
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DatabricksProfilerInterface,
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HiveCompiler,
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):
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def __init__(self, service_connection_config):
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self.service_connection_config = service_connection_config
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class TestDatabricksProfilerInterface(unittest.TestCase):
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@patch(
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"metadata.profiler.interface.sqlalchemy.databricks.profiler_interface.DatabricksProfilerInterface.set_catalog",
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return_value=None,
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)
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@patch(
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"metadata.profiler.interface.sqlalchemy.databricks.profiler_interface.DatabricksProfilerInterface.__init__",
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return_value=None,
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)
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@patch("pyhive.sqlalchemy_hive.HiveCompiler.visit_column")
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def setUp(
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self,
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mock_visit_column,
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mock_init,
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mock_set_catalog,
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) -> None:
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self.profiler = FakeHiveCompiler(service_connection_config={})
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@patch("sqlalchemy.sql.compiler.SQLCompiler.visit_column")
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def test_visit_column_no_nesting(self, mock_visit_column_super):
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# Mock the response of the super class method
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mock_visit_column_super.return_value = "`db`.`schema`.`table`"
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assert self.profiler.visit_column(MagicMock()) == "`db`.`schema`.`table`"
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mock_visit_column_super.return_value = "`db`"
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assert self.profiler.visit_column(MagicMock()) == "`db`"
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mock_visit_column_super.return_value = "`schema`"
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assert self.profiler.visit_column(MagicMock()) == "`schema`"
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mock_visit_column_super.return_value = "`table`"
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assert self.profiler.visit_column(MagicMock()) == "`table`"
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mock_visit_column_super.return_value = "table"
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assert self.profiler.visit_column(MagicMock()) == "table"
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@patch("sqlalchemy.sql.compiler.SQLCompiler.visit_column")
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def test_visit_column_nesting(self, mock_visit_column_super):
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# Mock the response of the super class method
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mock_visit_column_super.return_value = "`db`.`schema`.`table`.`col.u.m.n`"
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assert (
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self.profiler.visit_column(MagicMock())
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== "`db`.`schema`.`table`.`col`.`u`.`m`.`n`"
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)
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mock_visit_column_super.return_value = "`db`.`schema`.`table`.`col.1`"
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assert (
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self.profiler.visit_column(MagicMock()) == "`db`.`schema`.`table`.`col`.`1`"
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)
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mock_visit_column_super.return_value = "`table`.`1.2`"
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assert self.profiler.visit_column(MagicMock()) == "`table`.`1`.`2`"
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# single dot in column name should not be split
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mock_visit_column_super.return_value = "`col.1`"
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assert self.profiler.visit_column(MagicMock()) == "`col.1`"
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