element = $this->getMockBuilder(AbstractElement::class) ->addMethods(['getComment']) ->onlyMethods(['getHtmlId']) ->disableOriginalConstructor() ->getMockForAbstractClass(); $this->block = $om->getObject(Hint::class); } /** * @covers \Magento\Paypal\Block\Adminhtml\System\Config\Fieldset\Hint::render */ public function testRender() { $expected = '

'; $expected .= 'Configuration Details'; $expected .= '

'; $this->element->expects(static::exactly(2)) ->method('getComment') ->willReturn('http://test.com'); $this->element->expects(static::once()) ->method('getHtmlId') ->willReturn('payment'); static::assertSame($expected, $this->block->render($this->element)); } /** * @covers \Magento\Paypal\Block\Adminhtml\System\Config\Fieldset\Hint::render */ public function testRenderEmptyComment() { $this->element->expects(static::once()) ->method('getComment') ->willReturn(''); $this->element->expects(static::never()) ->method('getHtmlId'); static::assertSame('', $this->block->render($this->element)); } }