--- /dev/null
+<?php
+
+/**
+ * @group GlobalFunctions
+ * @covers ::wfAppendQuery
+ */
+class WfAppendQueryTest extends MediaWikiTestCase {
+ /**
+ * @dataProvider provideAppendQuery
+ */
+ public function testAppendQuery( $url, $query, $expected, $message = null ) {
+ $this->assertEquals( $expected, wfAppendQuery( $url, $query ), $message );
+ }
+
+ public static function provideAppendQuery() {
+ return array(
+ array(
+ 'http://www.example.org/index.php',
+ '',
+ 'http://www.example.org/index.php',
+ 'No query'
+ ),
+ array(
+ 'http://www.example.org/index.php',
+ array( 'foo' => 'bar' ),
+ 'http://www.example.org/index.php?foo=bar',
+ 'Set query array'
+ ),
+ array(
+ 'http://www.example.org/index.php?foz=baz',
+ 'foo=bar',
+ 'http://www.example.org/index.php?foz=baz&foo=bar',
+ 'Set query string'
+ ),
+ array(
+ 'http://www.example.org/index.php?foo=bar',
+ '',
+ 'http://www.example.org/index.php?foo=bar',
+ 'Empty string with query'
+ ),
+ array(
+ 'http://www.example.org/index.php?foo=bar',
+ array( 'baz' => 'quux' ),
+ 'http://www.example.org/index.php?foo=bar&baz=quux',
+ 'Add query array'
+ ),
+ array(
+ 'http://www.example.org/index.php?foo=bar',
+ 'baz=quux',
+ 'http://www.example.org/index.php?foo=bar&baz=quux',
+ 'Add query string'
+ ),
+ array(
+ 'http://www.example.org/index.php?foo=bar',
+ array( 'baz' => 'quux', 'foo' => 'baz' ),
+ 'http://www.example.org/index.php?foo=bar&baz=quux&foo=baz',
+ 'Modify query array'
+ ),
+ array(
+ 'http://www.example.org/index.php?foo=bar',
+ 'baz=quux&foo=baz',
+ 'http://www.example.org/index.php?foo=bar&baz=quux&foo=baz',
+ 'Modify query string'
+ )
+ );
+ }
+}