49 lines
2 KiB
MySQL
49 lines
2 KiB
MySQL
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/*
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* Make sure that it is not possible to create cycles in dependencies.
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*/
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BEGIN;
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\i utils/strings.sql
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-- Make the columns we don't use in the technology definition table NULL-able
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ALTER TABLE defs.technologies
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ALTER technology_category_id DROP NOT NULL ,
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ALTER technology_discovery_id DROP NOT NULL ,
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ALTER technology_description_id DROP NOT NULL ,
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ALTER technology_price DROP NOT NULL ,
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ALTER technology_points DROP NOT NULL;
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-- Create strings to use as the technologies' names
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SELECT _create_test_strings( 3 , 'tech' );
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-- Insert the technologies
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INSERT INTO defs.technologies ( technology_name_id )
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VALUES ( _get_string( 'tech1' ) ) ,
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( _get_string( 'tech2' ) ) ,
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( _get_string( 'tech3' ) );
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-- ***** TESTS BEGIN HERE *****
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SELECT plan( 3 );
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SELECT diag_test_name( 'defs.technology_dependencies - Dependency from A to A is rejected' );
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SELECT throws_ok( $$
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INSERT INTO defs.technology_dependencies ( technology_name_id , technology_name_id_depends )
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VALUES ( _get_string( 'tech1' ) , _get_string( 'tech1' ) );
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$$ , 23514 );
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SELECT diag_test_name( 'defs.technology_dependencies - Direct dependency from A to B to A is rejected' );
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INSERT INTO defs.technology_dependencies ( technology_name_id , technology_name_id_depends )
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VALUES ( _get_string( 'tech2' ) , _get_string( 'tech1' ) );
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SELECT throws_ok( $$
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INSERT INTO defs.technology_dependencies ( technology_name_id , technology_name_id_depends )
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VALUES ( _get_string( 'tech1' ) , _get_string( 'tech2' ) );
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$$ , 23514 );
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SELECT diag_test_name( 'defs.technology_dependencies - Indirect dependency from A to B to A is rejected' );
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INSERT INTO defs.technology_dependencies ( technology_name_id , technology_name_id_depends )
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VALUES ( _get_string( 'tech3' ) , _get_string( 'tech2' ) );
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SELECT throws_ok( $$
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INSERT INTO defs.technology_dependencies ( technology_name_id , technology_name_id_depends )
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VALUES ( _get_string( 'tech1' ) , _get_string( 'tech3' ) );
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$$ , 23514 );
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SELECT * FROM finish( );
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ROLLBACK;
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