1 files changed, 72 insertions, 0 deletions
diff --git a/tests/phpunit/includes/debug/MWDebugTest.php b/tests/phpunit/includes/debug/MWDebugTest.php
new file mode 100644
index 00000000..6926b1c8
--- /dev/null
+++ b/tests/phpunit/includes/debug/MWDebugTest.php
@@ -0,0 +1,72 @@
+<?php
+
+class MWDebugTest extends MediaWikiTestCase {
+
+
+	protected function setUp() {
+		parent::setUp();
+		// Make sure MWDebug class is enabled
+		static $MWDebugEnabled = false;
+		if ( !$MWDebugEnabled ) {
+			MWDebug::init();
+			$MWDebugEnabled = true;
+		}
+		/** Clear log before each test */
+		MWDebug::clearLog();
+		wfSuppressWarnings();
+	}
+
+	protected function tearDown() {
+		wfRestoreWarnings();
+		parent::tearDown();
+	}
+
+	public function testAddLog() {
+		MWDebug::log( 'logging a string' );
+		$this->assertEquals(
+			array( array(
+				'msg' => 'logging a string',
+				'type' => 'log',
+				'caller' => __METHOD__,
+			) ),
+			MWDebug::getLog()
+		);
+	}
+
+	public function testAddWarning() {
+		MWDebug::warning( 'Warning message' );
+		$this->assertEquals(
+			array( array(
+				'msg' => 'Warning message',
+				'type' => 'warn',
+				'caller' => 'MWDebugTest::testAddWarning',
+			) ),
+			MWDebug::getLog()
+		);
+	}
+
+	public function testAvoidDuplicateDeprecations() {
+		MWDebug::deprecated( 'wfOldFunction', '1.0', 'component' );
+		MWDebug::deprecated( 'wfOldFunction', '1.0', 'component' );
+
+		// assertCount() not available on WMF integration server
+		$this->assertEquals( 1,
+			count( MWDebug::getLog() ),
+			"Only one deprecated warning per function should be kept"
+		);
+	}
+
+	public function testAvoidNonConsecutivesDuplicateDeprecations() {
+		MWDebug::deprecated( 'wfOldFunction', '1.0', 'component' );
+		MWDebug::warning( 'some warning' );
+		MWDebug::log( 'we could have logged something too' );
+		// Another deprecation
+		MWDebug::deprecated( 'wfOldFunction', '1.0', 'component' );
+
+		// assertCount() not available on WMF integration server
+		$this->assertEquals( 3,
+			count( MWDebug::getLog() ),
+			"Only one deprecated warning per function should be kept"
+		);
+	}
+}