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53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
#coding:utf-8
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"""
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ID: fkey.primary.insert-02
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FBTEST: functional.fkey.primary.insert_pk_02
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TITLE: Check correct work fix with foreign key
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DESCRIPTION:
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Check foreign key work.
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Master transaction modifies primary key.
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Detail transaction inserts record in detail_table.
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Expected: error - primary key in master table has been changed
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"""
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import pytest
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from firebird.qa import *
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from firebird.driver import DatabaseError, tpb, Isolation
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init_script = """CREATE TABLE MASTER_TABLE (
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ID INTEGER PRIMARY KEY,
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INT_F INTEGER
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);
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CREATE TABLE DETAIL_TABLE (
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ID INTEGER PRIMARY KEY,
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FKEY INTEGER
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);
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ALTER TABLE DETAIL_TABLE ADD CONSTRAINT FK_DETAIL_TABLE FOREIGN KEY (FKEY) REFERENCES MASTER_TABLE (ID);
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COMMIT;
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INSERT INTO MASTER_TABLE (ID, INT_F) VALUES (1, 10);
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commit;"""
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db = db_factory(init=init_script)
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act = python_act('db')
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@pytest.mark.version('>3')
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def test_1(act: Action):
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cust_tpb = tpb(isolation=Isolation.READ_COMMITTED_RECORD_VERSION, lock_timeout=0)
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with act.db.connect() as con:
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con.begin(cust_tpb)
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with con.cursor() as c:
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c.execute("UPDATE MASTER_TABLE SET ID = 2 WHERE ID=1")
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#Create second connection for change detail table
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with act.db.connect() as con_detail:
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con_detail.begin(cust_tpb)
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with con_detail.cursor() as cd:
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with pytest.raises(DatabaseError,
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match='.*violation of FOREIGN KEY constraint "FK_DETAIL_TABLE" on table "DETAIL_TABLE".*'):
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cd.execute("INSERT INTO DETAIL_TABLE (ID, FKEY) VALUES (1,1)")
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con_detail.commit()
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# Passed.
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