public function testGetPrimaryKey() { $expected = 'table_id'; $table = $this->getMockBuilder(Table::class)->disableOriginalConstructor()->getMock(); $table->expects($this->once())->method('getPrimaryKey')->will($this->returnValue($expected)); $row = new Row($table, self::$languageRow); $this->assertSame($expected, $row->getPrimaryKey()); }