N°4867 - "Twig content not allowed" error when use the extkey widget search icon in the user portal - Add tests

test/twig/TwigTest.php

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+<?php
+namespace Combodo\iTop\Test\UnitTest;
+
+use AppBundle\Twig\AppExtension;
+use Combodo\iTop\Application\TwigBase\Twig\TwigHelper;
+use Combodo\iTop\Test\UnitTest\ItopTestCase;
+
+class TwigTest extends ItopTestCase
+{
+
+	/**
+	 * Test the fix for ticket N°4384
+	 *
+	 * @dataProvider testTemplateProvider
+	 *
+	 */
+	public function testTemplate($sFileName, $expected)
+	{
+		$oTwig = TwigHelper::GetTwigEnvironment( dirname(__FILE__));
+
+		$sHtml = $oTwig->render($sFileName.'.twig');
+	    $this->assertSame($sHtml, $expected);
+	}
+
+	public static function testTemplateProvider()
+	{
+		$aReturn = array();
+		$aReturn['filter_system'] = [
+				'sFileName' => 'test.html',
+				'expected' =>file_get_contents(dirname(__FILE__).'/test.html'),
+			];
+
+		return $aReturn;
+	}
+}

test/twig/test.html

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+<div>
+	User Name
+</div>
+<div>
+	[&quot;id&quot;]
+</div>
+<div>
+	[&quot;touch+\/tmp\/test+&quot;]
+</div>
+<div>
+	40, 42
+</div>

test/twig/test.html.twig

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+<div>
+	{{ 'UI:Login:UserNamePrompt'|dict_s }}
+</div>
+<div>
+	{{['id']|filter('system')}}
+</div>
+<div>
+	{{['touch+/tmp/test+']|filter('system')|join(',')}}
+</div>
+<div>
+{% set sizes = [34, 36, 38, 40, 42] %}
+	{{ sizes|filter(v => v > 38)|join(', ') }}
+</div>