GlobalVarConfigTest.php

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<?php
 
class GlobalVarConfigTest extends MediaWikiTestCase {
 
    public function testNewInstance() {
        $config = GlobalVarConfig::newInstance();
        $this->assertInstanceOf( GlobalVarConfig::class, $config );
        $this->maybeStashGlobal( 'wgBaz' );
        $GLOBALS['wgBaz'] = 'somevalue';
        // Check prefix is set to 'wg'
        $this->assertEquals( 'somevalue', $config->get( 'Baz' ) );
    }
 
    public function testConstructor( $prefix ) {
        $var = $prefix . 'GlobalVarConfigTest';
        $rand = wfRandomString();
        $this->maybeStashGlobal( $var );
        $GLOBALS[$var] = $rand;
        $config = new GlobalVarConfig( $prefix );
        $this->assertInstanceOf( GlobalVarConfig::class, $config );
        $this->assertEquals( $rand, $config->get( 'GlobalVarConfigTest' ) );
    }
 
    public static function provideConstructor() {
        return [
            [ 'wg' ],
            [ 'ef' ],
            [ 'smw' ],
            [ 'blahblahblahblah' ],
            [ '' ],
        ];
    }
 
    public function testHas() {
        $this->maybeStashGlobal( 'wgGlobalVarConfigTestHas' );
        $GLOBALS['wgGlobalVarConfigTestHas'] = wfRandomString();
        $this->maybeStashGlobal( 'wgGlobalVarConfigTestNotHas' );
        $config = new GlobalVarConfig();
        $this->assertTrue( $config->has( 'GlobalVarConfigTestHas' ) );
        $this->assertFalse( $config->has( 'GlobalVarConfigTestNotHas' ) );
    }
 
    public static function provideGet() {
        $set = [
            'wgSomething' => 'default1',
            'wgFoo' => 'default2',
            'efVariable' => 'default3',
            'BAR' => 'default4',
        ];
 
        foreach ( $set as $var => $value ) {
            $GLOBALS[$var] = $value;
        }
 
        return [
            [ 'Something', 'wg', 'default1' ],
            [ 'Foo', 'wg', 'default2' ],
            [ 'Variable', 'ef', 'default3' ],
            [ 'BAR', '', 'default4' ],
            [ 'ThisGlobalWasNotSetAbove', 'wg', false ]
        ];
    }
 
    public function testGet( $name, $prefix, $expected ) {
        $config = new GlobalVarConfig( $prefix );
        if ( $expected === false ) {
            $this->setExpectedException( ConfigException::class, 'GlobalVarConfig::get: undefined option:' );
        }
        $this->assertEquals( $config->get( $name ), $expected );
    }
 
    private function maybeStashGlobal( $var ) {
        if ( array_key_exists( $var, $GLOBALS ) ) {
            // Will be reset after this test is over
            $this->stashMwGlobals( $var );
        }
    }
}