tests/phpunit/includes/libs/XhprofTest.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  */
  20
  21 class XhprofTest extends PHPUnit\Framework\TestCase {
  22
  23         use MediaWikiCoversValidator;
  24
  25         /**
  26          * Trying to enable Xhprof when it is already enabled causes an exception
  27          * to be thrown.
  28          *
  29          * @expectedException        Exception
  30          * @expectedExceptionMessage already enabled
  31          * @covers Xhprof::enable
  32          */
  33         public function testEnable() {
  34                 $xhprof = new ReflectionClass( Xhprof::class );
  35                 $enabled = $xhprof->getProperty( 'enabled' );
  36                 $enabled->setAccessible( true );
  37                 $enabled->setValue( true );
  38                 $xhprof->getMethod( 'enable' )->invoke( null );
  39         }
  40
  41         /**
  42          * callAny() calls the first function of the list.
  43          *
  44          * @covers Xhprof::callAny
  45          * @dataProvider provideCallAny
  46          */
  47         public function testCallAny( array $functions, array $args, $expectedResult ) {
  48                 $xhprof = new ReflectionClass( Xhprof::class );
  49                 $callAny = $xhprof->getMethod( 'callAny' );
  50                 $callAny->setAccessible( true );
  51
  52                 $this->assertEquals( $expectedResult,
  53                         $callAny->invoke( null, $functions, $args ) );
  54         }
  55
  56         /**
  57          * Data provider for testCallAny().
  58          */
  59         public function provideCallAny() {
  60                 return [
  61                         [
  62                                 [ 'wfTestCallAny_func1', 'wfTestCallAny_func2', 'wfTestCallAny_func3' ],
  63                                 [ 3, 4 ],
  64                                 12
  65                         ],
  66                         [
  67                                 [ 'wfTestCallAny_nosuchfunc1', 'wfTestCallAny_func2', 'wfTestCallAny_func3' ],
  68                                 [ 3, 4 ],
  69                                 7
  70                         ],
  71                         [
  72                                 [ 'wfTestCallAny_nosuchfunc1', 'wfTestCallAny_nosuchfunc2', 'wfTestCallAny_func3' ],
  73                                 [ 3, 4 ],
  74                                 -1
  75                         ]
  76
  77                 ];
  78         }
  79
  80         /**
  81          * callAny() throws an exception when all functions are unavailable.
  82          *
  83          * @expectedException        Exception
  84          * @expectedExceptionMessage Neither xhprof nor tideways are installed
  85          * @covers Xhprof::callAny
  86          */
  87         public function testCallAnyNoneAvailable() {
  88                 $xhprof = new ReflectionClass( Xhprof::class );
  89                 $callAny = $xhprof->getMethod( 'callAny' );
  90                 $callAny->setAccessible( true );
  91
  92                 $callAny->invoke( $xhprof, [
  93                         'wfTestCallAny_nosuchfunc1',
  94                         'wfTestCallAny_nosuchfunc2',
  95                         'wfTestCallAny_nosuchfunc3'
  96                 ] );
  97         }
  98 }
  99
 100 /** Test function #1 for XhprofTest::testCallAny */
 101 function wfTestCallAny_func1( $a, $b ) {
 102         return $a * $b;
 103 }
 104
 105 /** Test function #2 for XhprofTest::testCallAny */
 106 function wfTestCallAny_func2( $a, $b ) {
 107         return $a + $b;
 108 }
 109
 110 /** Test function #3 for XhprofTest::testCallAny */
 111 function wfTestCallAny_func3( $a, $b ) {
 112         return $a - $b;
 113 }