/**
* @param string $input
* @param string $expected
* @dataProvider getRenderStaticData
* @test
*/
public function testRender($input, $expected)
{
$instance = new SpacelessViewHelper();
$instance->setRenderChildrenClosure(function () use($input) {
return $input;
});
$instance->setRenderingContext($this->getMock(RenderingContextInterface::class));
$instance->setArguments(array());
$this->assertEquals($expected, $instance->render());
}
/**
* @test
*/
public function renderWithEmptyChildNodesReturnsNoOutput()
{
$instance = new SpacelessViewHelper();
$viewHelperNodeProphecy = $this->prophesize(ViewHelperNode::class);
$instance->setViewHelperNode($viewHelperNodeProphecy->reveal());
$renderingContextInterfaceProphecy = $this->prophesize(RenderingContextInterface::class);
$instance->setRenderingContext($renderingContextInterfaceProphecy->reveal());
$instance->setArguments([]);
// the render method would not return an empty string in a real usage. The render method just
// calls renderStatic, which does the actual work. The tests for this are done in the
// renderStatic test directly. The render method test only makes sure the method call
// raises no fatal error.
$this->assertEquals('', $instance->render());
}