--- /dev/null
+<?php
+
+namespace RedUNIT\Postgres;
+
+use RedUNIT\Postgres as Postgres;
+use RedBeanPHP\Facade as R;
+
+/**
+ * Foreignkeys
+ *
+ * Tests creation and validity of foreign keys,
+ * foreign key constraints and indexes in PostgreSQL.
+ * Also tests whether the correct contraint action has been selected.
+ *
+ * @file RedUNIT/Postgres/Foreignkeys.php
+ * @desc Tests the creation of foreign keys.
+ * @author Gabor de Mooij and the RedBeanPHP Community
+ * @license New BSD/GPLv2
+ *
+ * (c) G.J.G.T. (Gabor) de Mooij and the RedBeanPHP Community.
+ * This source file is subject to the New BSD/GPLv2 License that is bundled
+ * with this source code in the file license.txt.
+ */
+class Foreignkeys extends Postgres
+{
+ /**
+ * Test foreign keys with postgres.
+ */
+ public function testForeignKeysWithPostgres()
+ {
+ testpack( 'Test Postgres Foreign keys' );
+ $a = R::getWriter()->addFK( 'a', 'b', 'c', 'd' ); //must fail
+ pass(); //survive without exception
+ asrt( $a, FALSE ); //must return false
+ $book = R::dispense( 'book' );
+ $page = R::dispense( 'page' );
+ $cover = R::dispense( 'cover' );
+ list( $g1, $g2 ) = R::dispense( 'genre', 2 );
+ $g1->name = '1';
+ $g2->name = '2';
+ $book->ownPage = array( $page );
+ $book->cover = $cover;
+ $book->sharedGenre = array( $g1, $g2 );
+ R::store( $book );
+ $sql = "SELECT
+ tc.constraint_name, tc.table_name, kcu.column_name,
+ ccu.table_name AS foreign_table_name,
+ ccu.column_name AS foreign_column_name
+ FROM
+ information_schema.table_constraints AS tc
+ JOIN information_schema.key_column_usage AS kcu ON tc.constraint_name = kcu.constraint_name
+ JOIN information_schema.constraint_column_usage AS ccu ON ccu.constraint_name = tc.constraint_name
+ WHERE constraint_type = 'FOREIGN KEY' AND (tc.table_name='book' OR tc.table_name='book_genre' OR tc.table_name='page');";
+ $fks = R::getAll( $sql );
+ $json = '[
+ {
+ "constraint_name": "book_cover_id_fkey",
+ "table_name": "book",
+ "column_name": "cover_id",
+ "foreign_table_name": "cover",
+ "foreign_column_name": "id"
+ },
+ {
+ "constraint_name": "page_book_id_fkey",
+ "table_name": "page",
+ "column_name": "book_id",
+ "foreign_table_name": "book",
+ "foreign_column_name": "id"
+ },
+ {
+ "constraint_name": "book_genre_genre_id_fkey",
+ "table_name": "book_genre",
+ "column_name": "genre_id",
+ "foreign_table_name": "genre",
+ "foreign_column_name": "id"
+ },
+ {
+ "constraint_name": "book_genre_book_id_fkey",
+ "table_name": "book_genre",
+ "column_name": "book_id",
+ "foreign_table_name": "book",
+ "foreign_column_name": "id"
+ }
+ ]';
+ $j = json_encode( $fks );
+ $j1 = json_decode( $j, TRUE );
+ $j2 = json_decode( $json, TRUE );
+ foreach ( $j1 as $jrow ) {
+ $s = json_encode( $jrow );
+ $found = 0;
+ foreach ( $j2 as $k => $j2row ) {
+ if ( json_encode( $j2row ) === $s ) {
+ pass();
+ unset( $j2[$k] );
+ $found = 1;
+ }
+ }
+ if ( !$found ) fail();
+ }
+ }
+
+ /**
+ * Test constraint function directly in Writer.
+ *
+ * @return void
+ */
+ public function testConstraint()
+ {
+ R::nuke();
+ $database = R::getCell('SELECT current_database()');
+ $sql = 'CREATE TABLE book (id SERIAL PRIMARY KEY)';
+ R::exec( $sql );
+ $sql = 'CREATE TABLE page (id SERIAL PRIMARY KEY)';
+ R::exec( $sql );
+ $sql = 'CREATE TABLE book_page (
+ id SERIAL PRIMARY KEY,
+ book_id INTEGER,
+ page_id INTEGER
+ )';
+ R::exec( $sql );
+ $writer = R::getWriter();
+ $sql = "
+ SELECT
+ COUNT(*)
+ FROM information_schema.key_column_usage AS k
+ LEFT JOIN information_schema.table_constraints AS c ON c.constraint_name = k.constraint_name
+ WHERE k.table_catalog = '$database'
+ AND k.table_schema = 'public'
+ AND k.table_name = 'book_page'
+ AND c.constraint_type = 'FOREIGN KEY'";
+ $numFKS = R::getCell( $sql );
+ asrt( (int) $numFKS, 0 );
+ $writer->addFK( 'book_page', 'book', 'book_id', 'id', TRUE );
+ $writer->addFK( 'book_page', 'page', 'page_id', 'id', TRUE );
+ $numFKS = R::getCell( $sql );
+ asrt( (int) $numFKS, 2 );
+ $writer->addFK( 'book_page', 'book', 'book_id', 'id', TRUE );
+ $writer->addFK( 'book_page', 'page', 'page_id', 'id', TRUE );
+ $numFKS = R::getCell( $sql );
+ asrt( (int) $numFKS, 2 );
+ }
+
+ /**
+ * Test adding foreign keys.
+ *
+ * @return void
+ */
+ public function testAddingForeignKey()
+ {
+ R::nuke();
+ $database = R::getCell('SELECT current_database()');
+ $sql = 'CREATE TABLE book (
+ id SERIAL PRIMARY KEY
+ )';
+ R::exec( $sql );
+ $sql = 'CREATE TABLE page (
+ id SERIAL PRIMARY KEY,
+ book_id INTEGER
+ )';
+ R::exec( $sql );
+ $writer = R::getWriter();
+ $sql = "
+ SELECT
+ COUNT(*)
+ FROM information_schema.key_column_usage AS k
+ LEFT JOIN information_schema.table_constraints AS c ON c.constraint_name = k.constraint_name
+ WHERE k.table_catalog = '$database'
+ AND k.table_schema = 'public'
+ AND k.table_name = 'page'
+ AND c.constraint_type = 'FOREIGN KEY'";
+ $numFKS = R::getCell( $sql );
+ asrt( (int) $numFKS, 0 );
+ $writer->addFK('page', 'page', 'book_id', 'id', TRUE);
+ $sql = "
+ SELECT
+ COUNT(*)
+ FROM information_schema.key_column_usage AS k
+ LEFT JOIN information_schema.table_constraints AS c ON c.constraint_name = k.constraint_name
+ WHERE k.table_catalog = '$database'
+ AND k.table_schema = 'public'
+ AND k.table_name = 'page'
+ AND c.constraint_type = 'FOREIGN KEY'";
+ $numFKS = R::getCell( $sql );
+ asrt( (int) $numFKS, 1 );
+ //dont add twice
+ $writer->addFK('page', 'page', 'book_id', 'id', TRUE);
+ $sql = "
+ SELECT
+ COUNT(*)
+ FROM information_schema.key_column_usage AS k
+ LEFT JOIN information_schema.table_constraints AS c ON c.constraint_name = k.constraint_name
+ WHERE k.table_catalog = '$database'
+ AND k.table_schema = 'public'
+ AND k.table_name = 'page'
+ AND c.constraint_type = 'FOREIGN KEY'";
+ $numFKS = R::getCell( $sql );
+ asrt( (int) $numFKS, 1 );
+ //even if it is different
+ $writer->addFK('page', 'page', 'book_id', 'id', FALSE);
+ $sql = "
+ SELECT
+ COUNT(*)
+ FROM information_schema.key_column_usage AS k
+ LEFT JOIN information_schema.table_constraints AS c ON c.constraint_name = k.constraint_name
+ WHERE k.table_catalog = '$database'
+ AND k.table_schema = 'public'
+ AND k.table_name = 'page'
+ AND c.constraint_type = 'FOREIGN KEY'";
+ $numFKS = R::getCell( $sql );
+ asrt( (int) $numFKS, 1 );
+ R::nuke();
+ $sql = 'CREATE TABLE book (
+ id SERIAL PRIMARY KEY
+ )';
+ R::exec( $sql );
+ $sql = 'CREATE TABLE page (
+ id SERIAL PRIMARY KEY,
+ book_id INTEGER
+ )';
+ R::exec( $sql );
+ $writer = R::getWriter();
+ $sql = "
+ SELECT
+ COUNT(*)
+ FROM information_schema.key_column_usage AS k
+ LEFT JOIN information_schema.table_constraints AS c ON c.constraint_name = k.constraint_name
+ WHERE k.table_catalog = '$database'
+ AND k.table_schema = 'public'
+ AND k.table_name = 'page'
+ AND c.constraint_type = 'FOREIGN KEY'";
+ $numFKS = R::getCell( $sql );
+ asrt( (int) $numFKS, 0 );
+ $writer->addFK('page', 'page', 'book_id', 'id', FALSE);
+ $sql = "
+ SELECT
+ COUNT(*)
+ FROM information_schema.key_column_usage AS k
+ LEFT JOIN information_schema.table_constraints AS c ON c.constraint_name = k.constraint_name
+ WHERE k.table_catalog = '$database'
+ AND k.table_schema = 'public'
+ AND k.table_name = 'page'
+ AND c.constraint_type = 'FOREIGN KEY'";
+ $numFKS = R::getCell( $sql );
+ asrt( (int) $numFKS, 1 );
+ }
+
+ /**
+ * Test whether we can manually create indexes.
+ *
+ * @return void
+ */
+ public function testAddingIndex()
+ {
+ R::nuke();
+ $sql = 'CREATE TABLE song (
+ id SERIAL PRIMARY KEY,
+ album_id INTEGER,
+ category VARCHAR(255)
+ )';
+ R::exec( $sql );
+ $indexes = R::getAll( " SELECT * FROM pg_indexes WHERE schemaname = 'public' AND tablename = 'song' ");
+ asrt( count( $indexes ), 1 );
+ $writer = R::getWriter();
+ $writer->addIndex( 'song', 'index1', 'album_id' );
+ $indexes = R::getAll( " SELECT * FROM pg_indexes WHERE schemaname = 'public' AND tablename = 'song' ");
+ asrt( count( $indexes ), 2 );
+ //Cant add the same index twice
+ $writer->addIndex( 'song', 'index1', 'album_id' );
+ $indexes = R::getAll( " SELECT * FROM pg_indexes WHERE schemaname = 'public' AND tablename = 'song' ");
+ asrt( count( $indexes ), 2 );
+ $writer->addIndex( 'song', 'index2', 'category' );
+ $indexes = R::getAll( " SELECT * FROM pg_indexes WHERE schemaname = 'public' AND tablename = 'song' ");
+ asrt( count( $indexes ), 3 );
+ //Dont fail, just dont
+ try {
+ $writer->addIndex( 'song', 'index3', 'nonexistant' );
+ pass();
+ } catch( \Exception $e ) {
+ fail();
+ }
+ $indexes = R::getAll( " SELECT * FROM pg_indexes WHERE schemaname = 'public' AND tablename = 'song' ");
+ asrt( count( $indexes ), 3 );
+ try {
+ $writer->addIndex( 'nonexistant', 'index4', 'nonexistant' );
+ pass();
+ } catch( \Exception $e ) {
+ fail();
+ }
+ $indexes = R::getAll( " SELECT * FROM pg_indexes WHERE schemaname = 'public' AND tablename = 'song' ");
+ asrt( count( $indexes ), 3 );
+ }
+}
projects / yaffs-website / blobdiff