MWDebugTest.php

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<?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;
        }
        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"
        );
    }
}