1 files changed, 55 insertions, 0 deletions
diff --git a/www/wiki/tests/phpunit/includes/debug/logger/monolog/LogstashFormatterTest.php b/www/wiki/tests/phpunit/includes/debug/logger/monolog/LogstashFormatterTest.php
new file mode 100644
index 00000000..1ee188e7
--- /dev/null
+++ b/www/wiki/tests/phpunit/includes/debug/logger/monolog/LogstashFormatterTest.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace MediaWiki\Logger\Monolog;
+
+class LogstashFormatterTest extends \PHPUnit\Framework\TestCase {
+	/**
+	 * @dataProvider provideV1
+	 * @param array $record The input record.
+	 * @param array $expected Associative array of expected keys and their values.
+	 * @param array $notExpected List of keys that should not exist.
+	 */
+	public function testV1( array $record, array $expected, array $notExpected ) {
+		$formatter = new LogstashFormatter( 'app', 'system', null, null, LogstashFormatter::V1 );
+		$formatted = json_decode( $formatter->format( $record ), true );
+		foreach ( $expected as $key => $value ) {
+			$this->assertArrayHasKey( $key, $formatted );
+			$this->assertSame( $value, $formatted[$key] );
+		}
+		foreach ( $notExpected as $key ) {
+			$this->assertArrayNotHasKey( $key, $formatted );
+		}
+	}
+
+	public function provideV1() {
+		return [
+			[
+				[ 'extra' => [ 'foo' => 1 ], 'context' => [ 'bar' => 2 ] ],
+				[ 'foo' => 1, 'bar' => 2 ],
+				[ 'logstash_formatter_key_conflict' ],
+			],
+			[
+				[ 'extra' => [ 'url' => 1 ], 'context' => [ 'url' => 2 ] ],
+				[ 'url' => 1, 'c_url' => 2, 'logstash_formatter_key_conflict' => [ 'url' ] ],
+				[],
+			],
+			[
+				[ 'channel' => 'x', 'context' => [ 'channel' => 'y' ] ],
+				[ 'channel' => 'x', 'c_channel' => 'y',
+					'logstash_formatter_key_conflict' => [ 'channel' ] ],
+				[],
+			],
+		];
+	}
+
+	public function testV1WithPrefix() {
+		$formatter = new LogstashFormatter( 'app', 'system', null, 'ctx_', LogstashFormatter::V1 );
+		$record = [ 'extra' => [ 'url' => 1 ], 'context' => [ 'url' => 2 ] ];
+		$formatted = json_decode( $formatter->format( $record ), true );
+		$this->assertArrayHasKey( 'url', $formatted );
+		$this->assertSame( 1, $formatted['url'] );
+		$this->assertArrayHasKey( 'ctx_url', $formatted );
+		$this->assertSame( 2, $formatted['ctx_url'] );
+		$this->assertArrayNotHasKey( 'c_url', $formatted );
+	}
+}