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

   1 <?php
   2 /**
   3  * Created on Feb 10, 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 3 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
  25 /** This class has some common functionality for testing query module
  26  */
  27 abstract class ApiQueryTestBase extends ApiTestCase {
  28
  29         const PARAM_ASSERT = <<<STR
  30 Each parameter must be an array of two elements,
  31 first - an array of params to the API call,
  32 and the second array - expected results as returned by the API
  33 STR;
  34
  35         /**
  36          * Merges all requests parameter + expected values into one
  37          * @param array $v,... List of arrays, each of which contains exactly two
  38          * @return array
  39          */
  40         protected function merge( /*...*/ ) {
  41                 $request = array();
  42                 $expected = array();
  43                 foreach ( func_get_args() as $v ) {
  44                         list( $req, $exp ) = $this->validateRequestExpectedPair( $v );
  45                         $request = array_merge_recursive( $request, $req );
  46                         $this->mergeExpected( $expected, $exp );
  47                 }
  48
  49                 return array( $request, $expected );
  50         }
  51
  52         /**
  53          * Check that the parameter is a valid two element array,
  54          * with the first element being API request and the second - expected result
  55          * @param array $v
  56          * @return array
  57          */
  58         private function validateRequestExpectedPair( $v ) {
  59                 $this->assertType( 'array', $v, self::PARAM_ASSERT );
  60                 $this->assertEquals( 2, count( $v ), self::PARAM_ASSERT );
  61                 $this->assertArrayHasKey( 0, $v, self::PARAM_ASSERT );
  62                 $this->assertArrayHasKey( 1, $v, self::PARAM_ASSERT );
  63                 $this->assertType( 'array', $v[0], self::PARAM_ASSERT );
  64                 $this->assertType( 'array', $v[1], self::PARAM_ASSERT );
  65
  66                 return $v;
  67         }
  68
  69         /**
  70          * Recursively merges the expected values in the $item into the $all
  71          * @param array &$all
  72          * @param array $item
  73          */
  74         private function mergeExpected( &$all, $item ) {
  75                 foreach ( $item as $k => $v ) {
  76                         if ( array_key_exists( $k, $all ) ) {
  77                                 if ( is_array( $all[$k] ) ) {
  78                                         $this->mergeExpected( $all[$k], $v );
  79                                 } else {
  80                                         $this->assertEquals( $all[$k], $v );
  81                                 }
  82                         } else {
  83                                 $all[$k] = $v;
  84                         }
  85                 }
  86         }
  87
  88         /**
  89          * Checks that the request's result matches the expected results.
  90          * @param array $values Array is a two element array( request, expected_results )
  91          * @param array $session
  92          * @param bool $appendModule
  93          * @param User $user
  94          */
  95         protected function check( $values, array $session = null,
  96                 $appendModule = false, User $user = null
  97         ) {
  98                 list( $req, $exp ) = $this->validateRequestExpectedPair( $values );
  99                 if ( !array_key_exists( 'action', $req ) ) {
 100                         $req['action'] = 'query';
 101                 }
 102                 if ( !array_key_exists( 'continue', $req ) ) {
 103                         $req['rawcontinue'] = '1';
 104                 }
 105                 foreach ( $req as &$val ) {
 106                         if ( is_array( $val ) ) {
 107                                 $val = implode( '|', array_unique( $val ) );
 108                         }
 109                 }
 110                 $result = $this->doApiRequest( $req, $session, $appendModule, $user );
 111                 $this->assertResult( array( 'query' => $exp ), $result[0], $req );
 112         }
 113
 114         protected function assertResult( $exp, $result, $message = '' ) {
 115                 try {
 116                         $exp = self::sanitizeResultArray( $exp );
 117                         $result = self::sanitizeResultArray( $result );
 118                         $this->assertEquals( $exp, $result );
 119                 } catch ( PHPUnit_Framework_ExpectationFailedException $e ) {
 120                         if ( is_array( $message ) ) {
 121                                 $message = http_build_query( $message );
 122                         }
 123
 124                         // FIXME: once we migrate to phpunit 4.1+, hardcode ComparisonFailure exception use
 125                         $compEx = 'SebastianBergmann\Comparator\ComparisonFailure';
 126                         if ( !class_exists( $compEx ) ) {
 127                                 $compEx = 'PHPUnit_Framework_ComparisonFailure';
 128                         }
 129
 130                         throw new PHPUnit_Framework_ExpectationFailedException(
 131                                 $e->getMessage() . "\nRequest: $message",
 132                                 new $compEx(
 133                                         $exp,
 134                                         $result,
 135                                         print_r( $exp, true ),
 136                                         print_r( $result, true ),
 137                                         false,
 138                                         $e->getComparisonFailure()->getMessage() . "\nRequest: $message"
 139                                 )
 140                         );
 141                 }
 142         }
 143
 144         /**
 145          * Recursively ksorts a result array and removes any 'pageid' keys.
 146          * @param array $result
 147          * @return array
 148          */
 149         private static function sanitizeResultArray( $result ) {
 150                 unset( $result['pageid'] );
 151                 foreach ( $result as $key => $value ) {
 152                         if ( is_array( $value ) ) {
 153                                 $result[$key] = self::sanitizeResultArray( $value );
 154                         }
 155                 }
 156
 157                 // Sort the result by keys, then take advantage of how array_merge will
 158                 // renumber numeric keys while leaving others alone.
 159                 ksort( $result );
 160                 return array_merge( $result );
 161         }
 162 }