ExpandableTreeTest.php

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<?php

declare(strict_types=1);

require_once("libs/composer/vendor/autoload.php");
require_once(__DIR__ . "../../../Base.php");

use ILIAS\UI\Component as C;
use ILIAS\UI\Implementation\Component as I;

class DataNode
{
    protected string $label;
    protected array $children;

    public function __construct(string $label, array $children = [])
    {
        $this->label = $label;
        $this->children = $children;
    }
    public function getLabel(): string
    {
        return $this->label;
    }
    public function getChildren(): array
    {
        return $this->children;
    }
}

class Recursion implements C\Tree\TreeRecursion
{
    public function getChildren($record, $environment = null): array
    {
        return $record->getChildren();
    }

    public function build(
        C\Tree\Node\Factory $factory,
        $record,
        $environment = null
    ): C\Tree\Node\Node {
        return $factory->simple($record->getLabel());
    }
}

class ExpandableTreeTest extends ILIAS_UI_TestBase
{
    protected C\Tree\Tree $tree;

    public function getUIFactory(): NoUIFactory
    {
        return new class () extends NoUIFactory {
            public function tree(): C\Tree\Factory
            {
                return new I\Tree\Factory();
            }
        };
    }

    public function setUp(): void
    {
        $n11 = new DataNode('1.1');
        $n12 = new DataNode('1.2', array(new DataNode('1.2.1')));
        $n1 = new DataNode('1', [$n11, $n12]);
        $n2 = new DataNode('2');
        $data = [$n1, $n2];

        $label = "label";
        $recursion = new Recursion();
        $f = $this->getUIFactory();
        $this->tree = $f->tree()->expandable($label, $recursion)
            ->withData($data);
    }

    public function brutallyTrimHTML(string $html): string
    {
        $html = str_replace(["\n", "\r", "\t"], "", $html);
        $html = preg_replace('# {2,}#', " ", $html);
        return trim($html);
    }

    public function testRendering(): void
    {
        $r = $this->getDefaultRenderer();
        $html = $r->render($this->tree);

        $expected = '<ul id="id_1" class="il-tree" role="tree" aria-label="label">' . $this->getInnerTreePart() . '</ul>';

        $this->assertEquals(
            $this->brutallyTrimHTML($expected),
            $this->brutallyTrimHTML($html)
        );
    }

    public function testRenderingAsSubTree(): void
    {
        $r = $this->getDefaultRenderer();
        $html = $r->render($this->tree->withIsSubTree(true));

        $expected = $this->getInnerTreePart();

        $this->assertEquals(
            $this->brutallyTrimHTML($expected),
            $this->brutallyTrimHTML($html)
        );
    }

    protected function getInnerTreePart(): string
    {
        return '<li id="" class="il-tree-node node-simple expandable" role="treeitem" aria-expanded="false">
                                <span class="node-line"><span class="node-label">1</span></span>

                                <ul role="group">
                                        <li id="" class="il-tree-node node-simple" role="treeitem">
                                                <span class="node-line"><span class="node-label">1.1</span></span>
                                        </li>
                                        <li id="" class="il-tree-node node-simple expandable" role="treeitem" aria-expanded="false">
                                                <span class="node-line"><span class="node-label">1.2</span></span>

                                                <ul role="group">
                                                        <li id="" class="il-tree-node node-simple" role="treeitem">
                                                                <span class="node-line"><span class="node-label">1.2.1</span></span>
                                                        </li>
                                                </ul>
                                        </li>
                                </ul>
                        </li>
                        <li id="" class="il-tree-node node-simple" role="treeitem">
                                <span class="node-line"><span class="node-label">2</span></span>
                        </li>';
    }
}