mockWorksheet = $this->getMockBuilder(Worksheet::class) ->disableOriginalConstructor() ->getMock(); $this->mockWorksheet->expects(self::any()) ->method('getHighestColumn') ->willReturn('E'); } public function testInstantiateRowDefault(): void { $row = new Row($this->mockWorksheet); self::assertInstanceOf(Row::class, $row); $rowIndex = $row->getRowIndex(); self::assertEquals(1, $rowIndex); } public function testInstantiateRowSpecified(): void { $row = new Row($this->mockWorksheet, 5); self::assertInstanceOf(Row::class, $row); $rowIndex = $row->getRowIndex(); self::assertEquals(5, $rowIndex); } public function testGetCellIterator(): void { $row = new Row($this->mockWorksheet); $cellIterator = $row->getCellIterator(); self::assertInstanceOf(RowCellIterator::class, $cellIterator); } }