ComponentRendererLoaderCachingWrapperTest.php

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<?php

/* Copyright (c) 2017 Richard Klees <richard.klees@concepts-and-training.de> Extended GPL, see docs/LICENSE */

use PHPUnit\Framework\TestCase;

class ComponentRendererLoaderCachingWrapperTest extends TestCase
{
    public function test_forwards_from_underlying()
    {
        $underlying = $this->getMockBuilder(\ILIAS\UI\Implementation\Render\Loader::class)
            ->setMethods(["getRendererFor", "getRendererFactoryFor"])
            ->getMock();

        $renderer = new \stdClass();
        $component = $this->getMockBuilder(\ILIAS\UI\Component\Component::class)->getMock();
        $context = [new \ILIAS\UI\Component\Test\TestComponent("foo")];
        $underlying
            ->expects($this->once())
            ->method("getRendererFor")
            ->with($component, $context)
            ->willReturn($renderer);

        $l = new \ILIAS\UI\Implementation\Render\LoaderCachingWrapper($underlying);
        $r = $l->getRendererFor($component, $context);

        $this->assertSame($renderer, $r);
    }

    public function test_caches()
    {
        $underlying = $this->getMockBuilder(\ILIAS\UI\Implementation\Render\Loader::class)
            ->setMethods(["getRendererFor", "getRendererFactoryFor"])
            ->getMock();

        $renderer = new \stdClass();
        $component = $this->getMockBuilder(\ILIAS\UI\Component\Component::class)->getMock();
        $underlying
            ->expects($this->once())
            ->method("getRendererFor")
            ->with($component, [])
            ->willReturn($renderer);

        $l = new \ILIAS\UI\Implementation\Render\LoaderCachingWrapper($underlying);
        $r1 = $l->getRendererFor($component, []);
        $r2 = $l->getRendererFor($component, []);

        $this->assertSame($renderer, $r1);
        $this->assertSame($renderer, $r2);
    }

    public function test_caching_respects_contexts()
    {
        $underlying = $this->getMockBuilder(\ILIAS\UI\Implementation\Render\Loader::class)
            ->setMethods(["getRendererFor", "getRendererFactoryFor"])
            ->getMock();

        $renderer1 = new \stdClass();
        $renderer2 = new \stdClass();
        $c1 = $this->getMockBuilder(\ILIAS\UI\Component\Component::class)->getMock();
        $c2 = new \ILIAS\UI\Component\Test\TestComponent("foo");
        $underlying
            ->expects($this->exactly(2))
            ->method("getRendererFor")
            ->withConsecutive([$c1, [] ], [$c1, [$c2]])
            ->will($this->onConsecutiveCalls($renderer1, $renderer2));

        $l = new \ILIAS\UI\Implementation\Render\LoaderCachingWrapper($underlying);
        $r1 = $l->getRendererFor($c1, []);
        $r2 = $l->getRendererFor($c1, [$c2]);
        $r3 = $l->getRendererFor($c1, [$c2]);
        $r4 = $l->getRendererFor($c1, []);

        $this->assertSame($renderer1, $r1);
        $this->assertSame($renderer2, $r2);
        $this->assertSame($renderer2, $r3);
        $this->assertSame($renderer1, $r4);
    }

    public function test_passthrough_getRendererFactory()
    {
        $underlying = $this->getMockBuilder(\ILIAS\UI\Implementation\Render\Loader::class)
            ->setMethods(["getRendererFor", "getRendererFactoryFor"])
            ->getMock();

        $c1 = $this->createMock(\ILIAS\UI\Component\Component::class);

        $factory = "FACTORY";
        $underlying
            ->expects($this->exactly(1))
            ->method("getRendererFactoryFor")
            ->with($c1)
            ->willReturn($factory);

        $l = new \ILIAS\UI\Implementation\Render\LoaderCachingWrapper($underlying);

        $this->assertSame($factory, $l->getRendererFactoryFor($c1));
    }
}