public function testForeignKeyIsForeignPrimaryKey()
{
$database = $this->getDatabaseMock('bookstore');
$platform = $this->getPlatformMock();
$foreignTable = $this->getTableMock('authors');
$localTable = $this->getTableMock('books', ['platform' => $platform, 'database' => $database]);
$idColumn = $this->getColumnMock('id');
$authorIdColumn = $this->getColumnMock('author_id');
$database->expects($this->any())->method('getTable')->with($this->equalTo('authors'))->will($this->returnValue($foreignTable));
$foreignTable->expects($this->once())->method('getPrimaryKey')->will($this->returnValue([$idColumn]));
$foreignTable->expects($this->any())->method('getColumn')->with($this->equalTo('id'))->will($this->returnValue($idColumn));
$localTable->expects($this->any())->method('getColumn')->with($this->equalTo('author_id'))->will($this->returnValue($authorIdColumn));
$fk = new ForeignKey();
$fk->setTable($localTable);
$fk->setForeignTableCommonName('authors');
$fk->addReference('author_id', 'id');
$fkMapping = $fk->getColumnObjectsMapping();
$this->assertTrue($fk->isForeignPrimaryKey());
$this->assertCount(1, $fk->getForeignColumnObjects());
$this->assertSame($authorIdColumn, $fkMapping[0]['local']);
$this->assertSame($idColumn, $fkMapping[0]['foreign']);
$this->assertSame($idColumn, $fk->getForeignColumn(0));
}
