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1441 ariadna 1 
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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namespace core\router\parameters;
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use core\tests\router\route_testcase;
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use GuzzleHttp\Psr7\ServerRequest;
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use Psr\Http\Message\ServerRequestInterface;
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/**
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 * Tests for the language header.
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 *
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 * @package    core
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 * @category   test
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 * @copyright  Andrew Lyons <andrew@nicols.co.uk>
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 * @covers    \core\router\parameters\header_language
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 */
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final class header_language_test extends route_testcase {
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    /**
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     * Test that the parameter is valid when the component is not specified.
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     */
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    public function test_component_not_specified(): void {
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        $param = new header_language();
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        $request = new ServerRequest('GET', '/example');
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        $this->assertInstanceOf(
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            ServerRequestInterface::class,
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            $param->validate($request),
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        );
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    }
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    /**
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     * Test that the parameter name is respected
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     */
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    public function test_name(): void {
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        $param = new header_language(name: 'not_the_default_name');
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        $this->assertEquals('not_the_default_name', $param->get_name());
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    }
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    /**
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     * Test valid components.
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     *
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     * @param string $component
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     * @dataProvider valid_values
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     */
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    public function test_valid_value(string $component): void {
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        $param = new header_language();
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        /** @var ServerRequestInterface $request */ // phpcs:ignore moodle.Commenting.InlineComment.DocBlock
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        $request = (new ServerRequest('GET', '/example'))
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            ->withAddedHeader('Language', $component);
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        $this->assertInstanceOf(
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            ServerRequestInterface::class,
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            $param->validate($request),
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        );
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    }
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    /**
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     * Test invalid components.
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     *
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     * @param string $component
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     * @dataProvider invalid_values
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     */
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    public function test_invalid_value(string $component): void {
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        $param = new header_language();
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        /** @var ServerRequestInterface */ // phpcs:ignore moodle.Commenting.InlineComment.DocBlock
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        $request = (new ServerRequest('GET', '/example'))
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            ->withAddedHeader('Language', $component);
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        $this->expectException(\core\exception\invalid_parameter_exception::class);
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        $param->validate($request);
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    }
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    /**
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     * Data provider containing seemingly-valid components.
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     *
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     * @return array
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     */
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    public static function valid_values(): array {
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        return [
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            [''],
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            ['en'],
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        ];
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    }
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    /**
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     * Data provider containing invalid components.
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     *
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     * @return array
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     */
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    public static function invalid_values(): array {
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        return [
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            ['de'],
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            ['Something wrong!!!'],
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        ];
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    }
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}