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OpenMetadata/ingestion/tests/unit/topology/database/test_postgres.py
Onkar Ravgan ebb2317cf0
Fix 14040: Part 1 Remove get_by_name calls from topology (#14098) 
* Changed for database

* Added changes for dashboard_service

* Changed for messaging service

* Changed for mlmodel service

* Changed for pipeline service

* Changed for search service

* Changed for objectstore service

* fixed wrong import

* fixed lint

* fixes

* fixed pytests

* fixed domo db pytest

* Fixed review comments
2023-11-27 16:15:47 +05:30

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# Copyright 2021 Collate
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Test Postgres using the topology
"""
import types
from unittest import TestCase
from unittest.mock import patch
from sqlalchemy.types import VARCHAR
from metadata.generated.schema.entity.data.database import Database
from metadata.generated.schema.entity.data.databaseSchema import DatabaseSchema
from metadata.generated.schema.entity.data.table import Column, Constraint, DataType
from metadata.generated.schema.entity.services.databaseService import (
DatabaseConnection,
DatabaseService,
DatabaseServiceType,
)
from metadata.generated.schema.metadataIngestion.workflow import (
OpenMetadataWorkflowConfig,
)
from metadata.generated.schema.type.entityReference import EntityReference
from metadata.ingestion.source.database.postgres.metadata import (
GEOMETRY,
POINT,
POLYGON,
PostgresSource,
)
from metadata.ingestion.source.database.postgres.usage import PostgresUsageSource
from metadata.ingestion.source.database.postgres.utils import get_postgres_version
mock_postgres_config = {
"source": {
"type": "postgres",
"serviceName": "local_postgres1",
"serviceConnection": {
"config": {
"type": "Postgres",
"username": "username",
"authType": {
"password": "password",
},
"hostPort": "localhost:5432",
"database": "postgres",
}
},
"sourceConfig": {
"config": {
"type": "DatabaseMetadata",
}
},
},
"sink": {
"type": "metadata-rest",
"config": {},
},
"workflowConfig": {
"openMetadataServerConfig": {
"hostPort": "http://localhost:8585/api",
"authProvider": "openmetadata",
"securityConfig": {
"jwtToken": "eyJraWQiOiJHYjM4OWEtOWY3Ni1nZGpzLWE5MmotMDI0MmJrOTQzNTYiLCJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJhZG1pbiIsImlzQm90IjpmYWxzZSwiaXNzIjoib3Blbi1tZXRhZGF0YS5vcmciLCJpYXQiOjE2NjM5Mzg0NjIsImVtYWlsIjoiYWRtaW5Ab3Blbm1ldGFkYXRhLm9yZyJ9.tS8um_5DKu7HgzGBzS1VTA5uUjKWOCU0B_j08WXBiEC0mr0zNREkqVfwFDD-d24HlNEbrqioLsBuFRiwIWKc1m_ZlVQbG7P36RUxhuv2vbSp80FKyNM-Tj93FDzq91jsyNmsQhyNv_fNr3TXfzzSPjHt8Go0FMMP66weoKMgW2PbXlhVKwEuXUHyakLLzewm9UMeQaEiRzhiTMU3UkLXcKbYEJJvfNFcLwSl9W8JCO_l0Yj3ud-qt_nQYEZwqW6u5nfdQllN133iikV4fM5QZsMCnm8Rq1mvLR0y9bmJiD7fwM1tmJ791TUWqmKaTnP49U493VanKpUAfzIiOiIbhg"
},
}
},
}
mock_postgres_usage_config = {
"source": {
"type": "postgres-usage",
"serviceName": "local_postgres1",
"serviceConnection": {
"config": {
"type": "Postgres",
"username": "username",
"authType": {
"password": "password",
},
"hostPort": "localhost:5432",
"database": "postgres",
}
},
"sourceConfig": {
"config": {
"type": "DatabaseUsage",
"queryLogDuration": 1,
}
},
},
"sink": {
"type": "metadata-rest",
"config": {},
},
"workflowConfig": {
"openMetadataServerConfig": {
"hostPort": "http://localhost:8585/api",
"authProvider": "openmetadata",
"securityConfig": {
"jwtToken": "eyJraWQiOiJHYjM4OWEtOWY3Ni1nZGpzLWE5MmotMDI0MmJrOTQzNTYiLCJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJhZG1pbiIsImlzQm90IjpmYWxzZSwiaXNzIjoib3Blbi1tZXRhZGF0YS5vcmciLCJpYXQiOjE2NjM5Mzg0NjIsImVtYWlsIjoiYWRtaW5Ab3Blbm1ldGFkYXRhLm9yZyJ9.tS8um_5DKu7HgzGBzS1VTA5uUjKWOCU0B_j08WXBiEC0mr0zNREkqVfwFDD-d24HlNEbrqioLsBuFRiwIWKc1m_ZlVQbG7P36RUxhuv2vbSp80FKyNM-Tj93FDzq91jsyNmsQhyNv_fNr3TXfzzSPjHt8Go0FMMP66weoKMgW2PbXlhVKwEuXUHyakLLzewm9UMeQaEiRzhiTMU3UkLXcKbYEJJvfNFcLwSl9W8JCO_l0Yj3ud-qt_nQYEZwqW6u5nfdQllN133iikV4fM5QZsMCnm8Rq1mvLR0y9bmJiD7fwM1tmJ791TUWqmKaTnP49U493VanKpUAfzIiOiIbhg"
},
}
},
}
MOCK_DATABASE_SERVICE = DatabaseService(
id="85811038-099a-11ed-861d-0242ac120002",
name="postgres_source",
connection=DatabaseConnection(),
serviceType=DatabaseServiceType.Postgres,
)
MOCK_DATABASE = Database(
id="2aaa012e-099a-11ed-861d-0242ac120002",
name="118146679784",
fullyQualifiedName="postgres_source.default",
displayName="118146679784",
description="",
service=EntityReference(
id="85811038-099a-11ed-861d-0242ac120002",
type="databaseService",
),
)
MOCK_DATABASE_SCHEMA = DatabaseSchema(
id="2aaa012e-099a-11ed-861d-0242ac120056",
name="default",
fullyQualifiedName="postgres_source.118146679784.default",
displayName="default",
description="",
database=EntityReference(
id="2aaa012e-099a-11ed-861d-0242ac120002",
type="database",
),
service=EntityReference(
id="2aaa012e-099a-11ed-861d-0242ac120002",
type="database",
),
)
MOCK_COLUMN_VALUE = [
{
"name": "username",
"type": VARCHAR(),
"nullable": True,
"default": None,
"autoincrement": False,
"system_data_type": "varchar(50)",
"comment": None,
},
{
"name": "geom_c",
"type": GEOMETRY(),
"nullable": True,
"default": None,
"autoincrement": False,
"system_data_type": "geometry",
"comment": None,
},
{
"name": "point_c",
"type": POINT(),
"nullable": True,
"default": None,
"autoincrement": False,
"system_data_type": "point",
"comment": None,
},
{
"name": "polygon_c",
"type": POLYGON(),
"nullable": True,
"default": None,
"autoincrement": False,
"comment": None,
"system_data_type": "polygon",
},
]
EXPECTED_COLUMN_VALUE = [
Column(
name="username",
displayName=None,
dataType=DataType.VARCHAR,
arrayDataType=None,
dataLength=1,
precision=None,
scale=None,
dataTypeDisplay="varchar(50)",
description=None,
fullyQualifiedName=None,
tags=None,
constraint=Constraint.NULL,
ordinalPosition=None,
jsonSchema=None,
children=None,
customMetrics=None,
profile=None,
),
Column(
name="geom_c",
displayName=None,
dataType=DataType.GEOMETRY,
arrayDataType=None,
dataLength=1,
precision=None,
scale=None,
dataTypeDisplay="geometry",
description=None,
fullyQualifiedName=None,
tags=None,
constraint=Constraint.NULL,
ordinalPosition=None,
jsonSchema=None,
children=None,
customMetrics=None,
profile=None,
),
Column(
name="point_c",
displayName=None,
dataType=DataType.GEOMETRY,
arrayDataType=None,
dataLength=1,
precision=None,
scale=None,
dataTypeDisplay="point",
description=None,
fullyQualifiedName=None,
tags=None,
constraint=Constraint.NULL,
ordinalPosition=None,
jsonSchema=None,
children=None,
customMetrics=None,
profile=None,
),
Column(
name="polygon_c",
displayName=None,
dataType=DataType.GEOMETRY,
arrayDataType=None,
dataLength=1,
precision=None,
scale=None,
dataTypeDisplay="polygon",
description=None,
fullyQualifiedName=None,
tags=None,
constraint=Constraint.NULL,
ordinalPosition=None,
jsonSchema=None,
children=None,
customMetrics=None,
profile=None,
),
]
class PostgresUnitTest(TestCase):
@patch(
"metadata.ingestion.source.database.common_db_source.CommonDbSourceService.test_connection"
)
def __init__(self, methodName, test_connection) -> None:
super().__init__(methodName)
test_connection.return_value = False
self.config = OpenMetadataWorkflowConfig.parse_obj(mock_postgres_config)
self.postgres_source = PostgresSource.create(
mock_postgres_config["source"],
self.config.workflowConfig.openMetadataServerConfig,
)
self.postgres_source.context.__dict__[
"database_service"
] = MOCK_DATABASE_SERVICE.name.__root__
self.postgres_source.context.__dict__["database"] = MOCK_DATABASE.name.__root__
self.postgres_source.context.__dict__[
"database_schema"
] = MOCK_DATABASE_SCHEMA.name.__root__
self.usage_config = OpenMetadataWorkflowConfig.parse_obj(
mock_postgres_usage_config
)
self.postgres_usage_source = PostgresUsageSource.create(
mock_postgres_usage_config["source"],
self.usage_config.workflowConfig.openMetadataServerConfig,
)
def test_datatype(self):
inspector = types.SimpleNamespace()
inspector.get_columns = (
lambda table_name, schema_name, db_name: MOCK_COLUMN_VALUE
)
inspector.get_pk_constraint = lambda table_name, schema_name: []
inspector.get_unique_constraints = lambda table_name, schema_name: []
inspector.get_foreign_keys = lambda table_name, schema_name: []
result, _, _ = self.postgres_source.get_columns_and_constraints(
"public", "user", "postgres", inspector
)
for i, _ in enumerate(EXPECTED_COLUMN_VALUE):
self.assertEqual(result[i], EXPECTED_COLUMN_VALUE[i])
@patch("sqlalchemy.engine.base.Engine")
def test_get_version_info(self, engine):
engine.execute.return_value = [["15.3 (Debian 15.3-1.pgdg110+1)"]]
self.assertEqual("15.3", get_postgres_version(engine))
engine.execute.return_value = [["11.16"]]
self.assertEqual("11.16", get_postgres_version(engine))
engine.execute.return_value = [["9.6.24"]]
self.assertEqual("9.6.24", get_postgres_version(engine))
engine.execute.return_value = [[]]
self.assertIsNone(get_postgres_version(engine))
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