LogMessageParserTest.php

<?php

namespace Drupal\Tests\Core\Logger;

use Drupal\Core\Logger\LogMessageParser;
use Drupal\Tests\UnitTestCase;

/**
 * @coversDefaultClass \Drupal\Core\Logger\LogMessageParser
 * @group Logger
 */
class LogMessageParserTest extends UnitTestCase {
    
    /**
     * Test for LogMessageParserTrait::parseMessagePlaceholders()
     *
     * @param array $value
     *   An array containing:
     *    - message: A string that contains a message with placeholders.
     *    - context: An array with placeholder values.
     * @param array $expected
     *   An array with the expected values after the test has run.
     *    - message: The expected parsed message.
     *    - context: The expected values of the placeholders.
     *
     * @dataProvider providerTestParseMessagePlaceholders
     * @covers ::parseMessagePlaceholders
     */
    public function testParseMessagePlaceholders(array $value, array $expected) {
        $parser = new LogMessageParser();
        $message_placeholders = $parser->parseMessagePlaceholders($value['message'], $value['context']);
        $this->assertEquals($expected['message'], $value['message']);
        $this->assertEquals($expected['context'], $message_placeholders);
    }
    
    /**
     * Data provider for testParseMessagePlaceholders().
     */
    public function providerTestParseMessagePlaceholders() {
        return [
            // PSR3 only message.
[
                [
                    'message' => 'User {username} created',
                    'context' => [
                        'username' => 'Dries',
                    ],
                ],
                [
                    'message' => 'User @username created',
                    'context' => [
                        '@username' => 'Dries',
                    ],
                ],
            ],
            // PSR3 style mixed in a format_string style message.
[
                [
                    'message' => 'User {username} created @time',
                    'context' => [
                        'username' => 'Dries',
                        '@time' => 'now',
                    ],
                ],
                [
                    'message' => 'User @username created @time',
                    'context' => [
                        '@username' => 'Dries',
                        '@time' => 'now',
                    ],
                ],
            ],
            // format_string style message only.
[
                [
                    'message' => 'User @username created',
                    'context' => [
                        '@username' => 'Dries',
                    ],
                ],
                [
                    'message' => 'User @username created',
                    'context' => [
                        '@username' => 'Dries',
                    ],
                ],
            ],
            // Message without placeholders but wildcard characters.
[
                [
                    'message' => 'User W-\\};~{&! created @',
                    'context' => [
                        '' => '',
                    ],
                ],
                [
                    'message' => 'User W-\\};~{&! created @',
                    'context' => [],
                ],
            ],
            // Message with double PSR3 style messages.
[
                [
                    'message' => 'Test {with} two {encapsuled} strings',
                    'context' => [
                        'with' => 'together',
                        'encapsuled' => 'awesome',
                    ],
                ],
                [
                    'message' => 'Test @with two @encapsuled strings',
                    'context' => [
                        '@with' => 'together',
                        '@encapsuled' => 'awesome',
                    ],
                ],
            ],
        ];
    }

}