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67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
import pytest
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from sqlalchemy import create_engine, text
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from metadata.generated.schema.entity.data.table import Table
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from metadata.workflow.metadata import MetadataWorkflow
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@pytest.fixture(scope="module")
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def mysql_engine(mysql_container):
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engine = create_engine(mysql_container.get_connection_url())
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yield engine
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engine.dispose()
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@pytest.fixture()
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def column_order_table(mysql_engine):
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with mysql_engine.connect() as conn:
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conn.execute(text("DROP TABLE IF EXISTS employees.column_order_test"))
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conn.execute(
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text(
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"CREATE TABLE employees.column_order_test ("
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" id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,"
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" name VARCHAR(100),"
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" created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP"
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")"
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)
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)
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conn.commit()
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yield
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with mysql_engine.connect() as conn:
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conn.execute(text("DROP TABLE IF EXISTS employees.column_order_test"))
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conn.commit()
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def test_column_order_preserved_after_adding_column_in_middle(
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patch_passwords_for_db_services,
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run_workflow,
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ingestion_config,
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metadata,
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db_service,
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mysql_engine,
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column_order_table,
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):
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run_workflow(MetadataWorkflow, ingestion_config)
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table_fqn = f"{db_service.fullyQualifiedName.root}.default.employees.column_order_test"
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table = metadata.get_by_name(entity=Table, fqn=table_fqn)
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assert table is not None
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assert len(table.columns) == 3
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assert table.columns[0].name.root == "id"
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assert table.columns[1].name.root == "name"
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assert table.columns[2].name.root == "created_at"
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with mysql_engine.connect() as conn:
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conn.execute(text("ALTER TABLE employees.column_order_test ADD COLUMN email VARCHAR(255) AFTER name"))
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conn.commit()
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run_workflow(MetadataWorkflow, ingestion_config)
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table = metadata.get_by_name(entity=Table, fqn=table_fqn)
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assert table is not None
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assert len(table.columns) == 4
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assert table.columns[0].name.root == "id"
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assert table.columns[1].name.root == "name"
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assert table.columns[2].name.root == "email"
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assert table.columns[3].name.root == "created_at"
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