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How to use get_hook method in Lemoncheesecake

Best Python code snippet using lemoncheesecake

test_odbc.py

Source:test_odbc.py

...22import pyodbc23from airflow.models import Connection24from airflow.providers.odbc.hooks.odbc import OdbcHook25class TestOdbcHook:26    def get_hook(self=None, hook_params=None, conn_params=None):27        hook_params = hook_params or {}28        conn_params = conn_params or {}29        connection = Connection(30            **{31                **dict(login='login', password='password', host='host', schema='schema', port=1234),32                **conn_params,33            }34        )35        hook = OdbcHook(**hook_params)36        hook.get_connection = mock.Mock()37        hook.get_connection.return_value = connection38        return hook39    def test_driver_in_extra(self):40        conn_params = dict(extra=json.dumps(dict(Driver='Fake Driver', Fake_Param='Fake Param')))41        hook = self.get_hook(conn_params=conn_params)42        expected = (43            'DRIVER={Fake Driver};'44            'SERVER=host;'45            'DATABASE=schema;'46            'UID=login;'47            'PWD=password;'48            'PORT=1234;'49            'Fake_Param=Fake Param;'50        )51        assert hook.odbc_connection_string == expected52    def test_driver_in_both(self):53        conn_params = dict(extra=json.dumps(dict(Driver='Fake Driver', Fake_Param='Fake Param')))54        hook_params = dict(driver='ParamDriver')55        hook = self.get_hook(hook_params=hook_params, conn_params=conn_params)56        expected = (57            'DRIVER={ParamDriver};'58            'SERVER=host;'59            'DATABASE=schema;'60            'UID=login;'61            'PWD=password;'62            'PORT=1234;'63            'Fake_Param=Fake Param;'64        )65        assert hook.odbc_connection_string == expected66    def test_dsn_in_extra(self):67        conn_params = dict(extra=json.dumps(dict(DSN='MyDSN', Fake_Param='Fake Param')))68        hook = self.get_hook(conn_params=conn_params)69        expected = (70            'DSN=MyDSN;SERVER=host;DATABASE=schema;UID=login;PWD=password;PORT=1234;Fake_Param=Fake Param;'71        )72        assert hook.odbc_connection_string == expected73    def test_dsn_in_both(self):74        conn_params = dict(extra=json.dumps(dict(DSN='MyDSN', Fake_Param='Fake Param')))75        hook_params = dict(driver='ParamDriver', dsn='ParamDSN')76        hook = self.get_hook(hook_params=hook_params, conn_params=conn_params)77        expected = (78            'DRIVER={ParamDriver};'79            'DSN=ParamDSN;'80            'SERVER=host;'81            'DATABASE=schema;'82            'UID=login;'83            'PWD=password;'84            'PORT=1234;'85            'Fake_Param=Fake Param;'86        )87        assert hook.odbc_connection_string == expected88    def test_get_uri(self):89        conn_params = dict(extra=json.dumps(dict(DSN='MyDSN', Fake_Param='Fake Param')))90        hook_params = dict(dsn='ParamDSN')91        hook = self.get_hook(hook_params=hook_params, conn_params=conn_params)92        uri_param = quote_plus(93            'DSN=ParamDSN;SERVER=host;DATABASE=schema;UID=login;PWD=password;PORT=1234;Fake_Param=Fake Param;'94        )95        expected = 'mssql+pyodbc:///?odbc_connect=' + uri_param96        assert hook.get_uri() == expected97    def test_connect_kwargs_from_hook(self):98        hook = self.get_hook(99            hook_params=dict(100                connect_kwargs={101                    'attrs_before': {102                        1: 2,103                        pyodbc.SQL_TXN_ISOLATION: pyodbc.SQL_TXN_READ_UNCOMMITTED,104                    },105                    'readonly': True,106                    'autocommit': False,107                }108            ),109        )110        assert hook.connect_kwargs == {111            'attrs_before': {1: 2, pyodbc.SQL_TXN_ISOLATION: pyodbc.SQL_TXN_READ_UNCOMMITTED},112            'readonly': True,113            'autocommit': False,114        }115    def test_connect_kwargs_from_conn(self):116        extra = json.dumps(117            dict(118                connect_kwargs={119                    'attrs_before': {120                        1: 2,121                        pyodbc.SQL_TXN_ISOLATION: pyodbc.SQL_TXN_READ_UNCOMMITTED,122                    },123                    'readonly': True,124                    'autocommit': True,125                }126            )127        )128        hook = self.get_hook(conn_params=dict(extra=extra))129        assert hook.connect_kwargs == {130            'attrs_before': {1: 2, pyodbc.SQL_TXN_ISOLATION: pyodbc.SQL_TXN_READ_UNCOMMITTED},131            'readonly': True,132            'autocommit': True,133        }134    def test_connect_kwargs_from_conn_and_hook(self):135        """136        When connect_kwargs in both hook and conn, should be merged properly.137        Hook beats conn.138        """139        conn_extra = json.dumps(dict(connect_kwargs={'attrs_before': {1: 2, 3: 4}, 'readonly': False}))140        hook_params = dict(141            connect_kwargs={'attrs_before': {3: 5, pyodbc.SQL_TXN_ISOLATION: 0}, 'readonly': True}142        )143        hook = self.get_hook(conn_params=dict(extra=conn_extra), hook_params=hook_params)144        assert hook.connect_kwargs == {145            'attrs_before': {1: 2, 3: 5, pyodbc.SQL_TXN_ISOLATION: 0},146            'readonly': True,147        }148    def test_connect_kwargs_bool_from_uri(self):149        """150        Bools will be parsed from uri as strings151        """152        conn_extra = json.dumps(dict(connect_kwargs={'ansi': True}))153        hook = self.get_hook(conn_params=dict(extra=conn_extra))154        assert hook.connect_kwargs == {155            'ansi': True,156        }157    def test_driver(self):158        hook = self.get_hook(hook_params=dict(driver='Blah driver'))159        assert hook.driver == 'Blah driver'160        hook = self.get_hook(hook_params=dict(driver='{Blah driver}'))161        assert hook.driver == 'Blah driver'162        hook = self.get_hook(conn_params=dict(extra='{"driver": "Blah driver"}'))163        assert hook.driver == 'Blah driver'164        hook = self.get_hook(conn_params=dict(extra='{"driver": "{Blah driver}"}'))165        assert hook.driver == 'Blah driver'166    def test_database(self):167        hook = self.get_hook(hook_params=dict(database='abc'))168        assert hook.database == 'abc'169        hook = self.get_hook()170        assert hook.database == 'schema'171    def test_sqlalchemy_scheme_default(self):172        hook = self.get_hook()173        uri = hook.get_uri()174        assert urlparse(uri).scheme == 'mssql+pyodbc'175    def test_sqlalchemy_scheme_param(self):176        hook = self.get_hook(hook_params=dict(sqlalchemy_scheme='my-scheme'))177        uri = hook.get_uri()178        assert urlparse(uri).scheme == 'my-scheme'179    def test_sqlalchemy_scheme_extra(self):180        hook = self.get_hook(conn_params=dict(extra=json.dumps(dict(sqlalchemy_scheme='my-scheme'))))181        uri = hook.get_uri()...

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