JavaScriptBindableTest.php

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<?php
 
declare(strict_types=1);
 
use PHPUnit\Framework\TestCase;
use ILIAS\UI\Implementation\Component\JavaScriptBindable;
use ILIAS\UI\Implementation\Component\ComponentHelper;
 
require_once("vendor/composer/vendor/autoload.php");
 
class JSComponentMock implements \ILIAS\UI\Component\JavaScriptBindable
{
    use JavaScriptBindable;
    use ComponentHelper;
}
 
class JavaScriptBindableTest extends TestCase
{
    protected JSComponentMock $mock;
 
    public function setUp(): void
    {
        $this->mock = new JSComponentMock();
    }
 
    public function testWithOnLoadCode(): void
    {
        $m = $this->mock->withOnLoadCode(function ($id) {
            return "Its me, $id!";
        });
 
        $binder = $m->getOnLoadCode();
        $this->assertInstanceOf(Closure::class, $binder);
        $this->assertEquals("Its me, Mario!", $binder("Mario"));
    }
 
    public function testWithOnLoadCodeFalseClosure1(): void
    {
        try {
            $this->mock->withOnLoadCode(function (): void {
            });
            $this->assertFalse("This should not happen...");
        } catch (InvalidArgumentException $exception) {
            $this->assertTrue(true);
        }
    }
 
    public function testWithOnLoadCodeFalseClosure2(): void
    {
        try {
            $this->mock->withOnLoadCode(function ($id, $some_arg): void {
            });
            $this->assertFalse("This should not happen...");
        } catch (InvalidArgumentException $exception) {
            $this->assertTrue(true);
        }
    }
 
    public function testWithAdditionalOnLoadCode(): void
    {
        $java_script_id = 'js-id-1';
        $java_script_code_1 = 'first piece of JavaScript code with id: ';
        $java_script_code_2 = 'second piece of JavaScript code with id: ';
 
        $java_script_bindable = $this
            ->mock
            ->withOnLoadCode(static fn($id) => $java_script_code_1 . $id)
            ->withAdditionalOnLoadCode(static fn($id) => $java_script_code_2 . $id);
 
        $java_script_binder = $java_script_bindable->getOnLoadCode();
        $this->assertInstanceOf(Closure::class, $java_script_binder);
        $this->assertEquals(
            $java_script_code_2 . $java_script_id . "\n" .
            $java_script_code_1 . $java_script_id,
            $java_script_binder($java_script_id)
        );
    }
 
    public function testWithAdditionalOnLoadCodeNoPrevious(): void
    {
        $m = $this->mock
            ->withAdditionalOnLoadCode(function ($id) {
                return "And again, me: $id.";
            });
 
        $binder = $m->getOnLoadCode();
        $this->assertInstanceOf(Closure::class, $binder);
        $this->assertEquals("And again, me: Mario.", $binder("Mario"));
    }
}