tests/phpunit/includes/api/query/ApiQueryContinueTestBase.php

   1 <?php
   2 /**
   3  * Created on Jan 1, 2013
   4  *
   5  * Copyright © 2013 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  */
  24 abstract class ApiQueryContinueTestBase extends ApiQueryTestBase {
  25
  26         /**
  27          * Enable to print in-depth debugging info during the test run
  28          */
  29         protected $mVerbose = false;
  30
  31         /**
  32          * Run query() and compare against expected values
  33          * @param array $expected
  34          * @param array $params Api parameters
  35          * @param int $expectedCount Max number of iterations
  36          * @param string $id Unit test id
  37          * @param bool $continue True to use smart continue
  38          * @return array Merged results data array
  39          */
  40         protected function checkC( $expected, $params, $expectedCount, $id, $continue = true ) {
  41                 $result = $this->query( $params, $expectedCount, $id, $continue );
  42                 $this->assertResult( $expected, $result, $id );
  43         }
  44
  45         /**
  46          * Run query in a loop until no more values are available
  47          * @param array $params Api parameters
  48          * @param int $expectedCount Max number of iterations
  49          * @param string $id Unit test id
  50          * @param bool $useContinue True to use smart continue
  51          * @return array Merged results data array
  52          * @throws Exception
  53          */
  54         protected function query( $params, $expectedCount, $id, $useContinue = true ) {
  55                 if ( isset( $params['action'] ) ) {
  56                         $this->assertEquals( 'query', $params['action'], 'Invalid query action' );
  57                 } else {
  58                         $params['action'] = 'query';
  59                 }
  60                 $count = 0;
  61                 $result = array();
  62                 $continue = array();
  63                 do {
  64                         $request = array_merge( $params, $continue );
  65                         uksort( $request, function ( $a, $b ) {
  66                                 // put 'continue' params at the end - lazy method
  67                                 $a = strpos( $a, 'continue' ) !== false ? 'zzz ' . $a : $a;
  68                                 $b = strpos( $b, 'continue' ) !== false ? 'zzz ' . $b : $b;
  69
  70                                 return strcmp( $a, $b );
  71                         } );
  72                         $reqStr = http_build_query( $request );
  73                         // $reqStr = str_replace( '&', ' & ', $reqStr );
  74                         $this->assertLessThan( $expectedCount, $count, "$id more data: $reqStr" );
  75                         if ( $this->mVerbose ) {
  76                                 print "$id (#$count): $reqStr\n";
  77                         }
  78                         try {
  79                                 $data = $this->doApiRequest( $request );
  80                         } catch ( Exception $e ) {
  81                                 throw new Exception( "$id on $count", 0, $e );
  82                         }
  83                         $data = $data[0];
  84                         if ( isset( $data['warnings'] ) ) {
  85                                 $warnings = json_encode( $data['warnings'] );
  86                                 $this->fail( "$id Warnings on #$count in $reqStr\n$warnings" );
  87                         }
  88                         $this->assertArrayHasKey( 'query', $data, "$id no 'query' on #$count in $reqStr" );
  89                         if ( isset( $data['continue'] ) ) {
  90                                 $continue = $data['continue'];
  91                                 unset( $data['continue'] );
  92                         } else {
  93                                 $continue = array();
  94                         }
  95                         if ( $this->mVerbose ) {
  96                                 $this->printResult( $data );
  97                         }
  98                         $this->mergeResult( $result, $data );
  99                         $count++;
 100                         if ( empty( $continue ) ) {
 101                                 $this->assertEquals( $expectedCount, $count, "$id finished early" );
 102
 103                                 return $result;
 104                         } elseif ( !$useContinue ) {
 105                                 $this->assertFalse( 'Non-smart query must be requested all at once' );
 106                         }
 107                 } while ( true );
 108         }
 109
 110         /**
 111          * @param array $data
 112          */
 113         private function printResult( $data ) {
 114                 $q = $data['query'];
 115                 $print = array();
 116                 if ( isset( $q['pages'] ) ) {
 117                         foreach ( $q['pages'] as $p ) {
 118                                 $m = $p['title'];
 119                                 if ( isset( $p['links'] ) ) {
 120                                         $m .= '/[' . implode( ',', array_map(
 121                                                 function ( $v ) {
 122                                                         return $v['title'];
 123                                                 },
 124                                                 $p['links'] ) ) . ']';
 125                                 }
 126                                 if ( isset( $p['categories'] ) ) {
 127                                         $m .= '/(' . implode( ',', array_map(
 128                                                 function ( $v ) {
 129                                                         return str_replace( 'Category:', '', $v['title'] );
 130                                                 },
 131                                                 $p['categories'] ) ) . ')';
 132                                 }
 133                                 $print[] = $m;
 134                         }
 135                 }
 136                 if ( isset( $q['allcategories'] ) ) {
 137                         $print[] = '*Cats/(' . implode( ',', array_map(
 138                                 function ( $v ) {
 139                                         return $v['*'];
 140                                 },
 141                                 $q['allcategories'] ) ) . ')';
 142                 }
 143                 self::GetItems( $q, 'allpages', 'Pages', $print );
 144                 self::GetItems( $q, 'alllinks', 'Links', $print );
 145                 self::GetItems( $q, 'alltransclusions', 'Trnscl', $print );
 146                 print ' ' . implode( '  ', $print ) . "\n";
 147         }
 148
 149         private static function GetItems( $q, $moduleName, $name, &$print ) {
 150                 if ( isset( $q[$moduleName] ) ) {
 151                         $print[] = "*$name/[" . implode( ',',
 152                                 array_map(
 153                                         function ( $v ) {
 154                                                 return $v['title'];
 155                                         },
 156                                         $q[$moduleName] ) ) . ']';
 157                 }
 158         }
 159
 160         /**
 161          * Recursively merge the new result returned from the query to the previous results.
 162          * @param mixed $results
 163          * @param mixed $newResult
 164          * @param bool $numericIds If true, treat keys as ids to be merged instead of appending
 165          */
 166         protected function mergeResult( &$results, $newResult, $numericIds = false ) {
 167                 $this->assertEquals(
 168                         is_array( $results ),
 169                         is_array( $newResult ),
 170                         'Type of result and data do not match'
 171                 );
 172                 if ( !is_array( $results ) ) {
 173                         $this->assertEquals( $results, $newResult, 'Repeated result must be the same as before' );
 174                 } else {
 175                         $sort = null;
 176                         foreach ( $newResult as $key => $value ) {
 177                                 if ( !$numericIds && $sort === null ) {
 178                                         if ( !is_array( $value ) ) {
 179                                                 $sort = false;
 180                                         } elseif ( array_key_exists( 'title', $value ) ) {
 181                                                 $sort = function ( $a, $b ) {
 182                                                         return strcmp( $a['title'], $b['title'] );
 183                                                 };
 184                                         } else {
 185                                                 $sort = false;
 186                                         }
 187                                 }
 188                                 $keyExists = array_key_exists( $key, $results );
 189                                 if ( is_numeric( $key ) ) {
 190                                         if ( $numericIds ) {
 191                                                 if ( !$keyExists ) {
 192                                                         $results[$key] = $value;
 193                                                 } else {
 194                                                         $this->mergeResult( $results[$key], $value );
 195                                                 }
 196                                         } else {
 197                                                 $results[] = $value;
 198                                         }
 199                                 } elseif ( !$keyExists ) {
 200                                         $results[$key] = $value;
 201                                 } else {
 202                                         $this->mergeResult( $results[$key], $value, $key === 'pages' );
 203                                 }
 204                         }
 205                         if ( $numericIds ) {
 206                                 ksort( $results, SORT_NUMERIC );
 207                         } elseif ( $sort !== null && $sort !== false ) {
 208                                 usort( $results, $sort );
 209                         }
 210                 }
 211         }
 212 }