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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 = [];
62                 $continue = [];
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 = [];
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 = [];
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 }