tests/phpunit/includes/parser/MagicVariableTest.php

   1 <?php
   2 /**
   3  * This file is intended to test magic variables in the parser
   4  * It was inspired by Raymond & Matěj Grabovský commenting about r66200
   5  *
   6  * As of february 2011, it only tests some revisions and date related
   7  * magic variables.
   8  *
   9  * @author Antoine Musso
  10  * @copyright Copyright © 2011, Antoine Musso
  11  * @file
  12  * @todo covers tags
  13  */
  14
  15 class MagicVariableTest extends MediaWikiTestCase {
  16         /**
  17          * @var Parser
  18          */
  19         private $testParser = null;
  20
  21         /**
  22          * An array of magicword returned as type integer by the parser
  23          * They are usually returned as a string for i18n since we support
  24          * persan numbers for example, but some magic explicitly return
  25          * them as integer.
  26          * @see MagicVariableTest::assertMagic()
  27          */
  28         private $expectedAsInteger = array(
  29                 'revisionday',
  30                 'revisionmonth1',
  31         );
  32
  33         /** setup a basic parser object */
  34         protected function setUp() {
  35                 parent::setUp();
  36
  37                 $contLang = Language::factory( 'en' );
  38                 $this->setMwGlobals( array(
  39                         'wgLanguageCode' => 'en',
  40                         'wgContLang' => $contLang,
  41                 ) );
  42
  43                 $this->testParser = new Parser();
  44                 $this->testParser->Options( ParserOptions::newFromUserAndLang( new User, $contLang ) );
  45
  46                 # initialize parser output
  47                 $this->testParser->clearState();
  48
  49                 # Needs a title to do magic word stuff
  50                 $title = Title::newFromText( 'Tests' );
  51                 # Else it needs a db connection just to check if it's a redirect
  52                 # (when deciding the page language).
  53                 $title->mRedirect = false;
  54
  55                 $this->testParser->setTitle( $title );
  56         }
  57
  58         /**
  59          * @param int $num Upper limit for numbers
  60          * @return array Array of numbers from 1 up to $num
  61          */
  62         private static function createProviderUpTo( $num ) {
  63                 $ret = array();
  64                 for ( $i = 1; $i <= $num; $i++ ) {
  65                         $ret[] = array( $i );
  66                 }
  67
  68                 return $ret;
  69         }
  70
  71         /**
  72          * @return array Array of months numbers (as an integer)
  73          */
  74         public static function provideMonths() {
  75                 return self::createProviderUpTo( 12 );
  76         }
  77
  78         /**
  79          * @return array Array of days numbers (as an integer)
  80          */
  81         public static function provideDays() {
  82                 return self::createProviderUpTo( 31 );
  83         }
  84
  85         ############### TESTS #############################################
  86         # @todo FIXME:
  87         #  - those got copy pasted, we can probably make them cleaner
  88         #  - tests are lacking useful messages
  89
  90         # day
  91
  92         /** @dataProvider provideDays */
  93         public function testCurrentdayIsUnPadded( $day ) {
  94                 $this->assertUnPadded( 'currentday', $day );
  95         }
  96
  97         /** @dataProvider provideDays */
  98         public function testCurrentdaytwoIsZeroPadded( $day ) {
  99                 $this->assertZeroPadded( 'currentday2', $day );
 100         }
 101
 102         /** @dataProvider provideDays */
 103         public function testLocaldayIsUnPadded( $day ) {
 104                 $this->assertUnPadded( 'localday', $day );
 105         }
 106
 107         /** @dataProvider provideDays */
 108         public function testLocaldaytwoIsZeroPadded( $day ) {
 109                 $this->assertZeroPadded( 'localday2', $day );
 110         }
 111
 112         # month
 113
 114         /** @dataProvider provideMonths */
 115         public function testCurrentmonthIsZeroPadded( $month ) {
 116                 $this->assertZeroPadded( 'currentmonth', $month );
 117         }
 118
 119         /** @dataProvider provideMonths */
 120         public function testCurrentmonthoneIsUnPadded( $month ) {
 121                 $this->assertUnPadded( 'currentmonth1', $month );
 122         }
 123
 124         /** @dataProvider provideMonths */
 125         public function testLocalmonthIsZeroPadded( $month ) {
 126                 $this->assertZeroPadded( 'localmonth', $month );
 127         }
 128
 129         /** @dataProvider provideMonths */
 130         public function testLocalmonthoneIsUnPadded( $month ) {
 131                 $this->assertUnPadded( 'localmonth1', $month );
 132         }
 133
 134         # revision day
 135
 136         /** @dataProvider provideDays */
 137         public function testRevisiondayIsUnPadded( $day ) {
 138                 $this->assertUnPadded( 'revisionday', $day );
 139         }
 140
 141         /** @dataProvider provideDays */
 142         public function testRevisiondaytwoIsZeroPadded( $day ) {
 143                 $this->assertZeroPadded( 'revisionday2', $day );
 144         }
 145
 146         # revision month
 147
 148         /** @dataProvider provideMonths */
 149         public function testRevisionmonthIsZeroPadded( $month ) {
 150                 $this->assertZeroPadded( 'revisionmonth', $month );
 151         }
 152
 153         /** @dataProvider provideMonths */
 154         public function testRevisionmonthoneIsUnPadded( $month ) {
 155                 $this->assertUnPadded( 'revisionmonth1', $month );
 156         }
 157
 158         ############### HELPERS ############################################
 159
 160         /** assertion helper expecting a magic output which is zero padded */
 161         public function assertZeroPadded( $magic, $value ) {
 162                 $this->assertMagicPadding( $magic, $value, '%02d' );
 163         }
 164
 165         /** assertion helper expecting a magic output which is unpadded */
 166         public function assertUnPadded( $magic, $value ) {
 167                 $this->assertMagicPadding( $magic, $value, '%d' );
 168         }
 169
 170         /**
 171          * Main assertion helper for magic variables padding
 172          * @param string $magic Magic variable name
 173          * @param mixed $value Month or day
 174          * @param string $format Sprintf format for $value
 175          */
 176         private function assertMagicPadding( $magic, $value, $format ) {
 177                 # Initialize parser timestamp as year 2010 at 12h34 56s.
 178                 # month and day are given by the caller ($value). Month < 12!
 179                 if ( $value > 12 ) {
 180                         $month = $value % 12;
 181                 } else {
 182                         $month = $value;
 183                 }
 184
 185                 $this->setParserTS(
 186                         sprintf( '2010%02d%02d123456', $month, $value )
 187                 );
 188
 189                 # please keep the following commented line of code. It helps debugging.
 190                 //print "\nDEBUG (value $value):" . sprintf( '2010%02d%02d123456', $value, $value ) . "\n";
 191
 192                 # format expectation and test it
 193                 $expected = sprintf( $format, $value );
 194                 $this->assertMagic( $expected, $magic );
 195         }
 196
 197         /**
 198          * helper to set the parser timestamp and revision timestamp
 199          * @param string $ts
 200          */
 201         private function setParserTS( $ts ) {
 202                 $this->testParser->Options()->setTimestamp( $ts );
 203                 $this->testParser->mRevisionTimestamp = $ts;
 204         }
 205
 206         /**
 207          * Assertion helper to test a magic variable output
 208          * @param string|int $expected
 209          * @param string $magic
 210          */
 211         private function assertMagic( $expected, $magic ) {
 212                 if ( in_array( $magic, $this->expectedAsInteger ) ) {
 213                         $expected = (int)$expected;
 214                 }
 215
 216                 # Generate a message for the assertion
 217                 $msg = sprintf( "Magic %s should be <%s:%s>",
 218                         $magic,
 219                         $expected,
 220                         gettype( $expected )
 221                 );
 222
 223                 $this->assertSame(
 224                         $expected,
 225                         $this->testParser->getVariableValue( $magic ),
 226                         $msg
 227                 );
 228         }
 229 }