summaryrefslogtreecommitdiff
path: root/tests/phpunit/includes/api/query/ApiQueryTestBase.php
blob: 8ee8ea9628c79a428cd38f79c730ede970637a97 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
<?php
/**
 *
 *
 * Created on Feb 10, 2013
 *
 * Copyright © 2013 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

/** This class has some common functionality for testing query module
 */
abstract class ApiQueryTestBase extends ApiTestCase {

	const PARAM_ASSERT = <<<STR
Each parameter must be an array of two elements,
first - an array of params to the API call,
and the second array - expected results as returned by the API
STR;

	/**
	 * Merges all requests parameter + expected values into one
	 * @param ... list of arrays, each of which contains exactly two
	 * @return array
	 */
	protected function merge( /*...*/ ) {
		$request = array();
		$expected = array();
		foreach ( func_get_args() as $v ) {
			list( $req, $exp ) = $this->validateRequestExpectedPair( $v );
			$request = array_merge_recursive( $request, $req );
			$this->mergeExpected( $expected, $exp );
		}

		return array( $request, $expected );
	}

	/**
	 * Check that the parameter is a valid two element array,
	 * with the first element being API request and the second - expected result
	 */
	private function validateRequestExpectedPair( $v ) {
		$this->assertType( 'array', $v, self::PARAM_ASSERT );
		$this->assertEquals( 2, count( $v ), self::PARAM_ASSERT );
		$this->assertArrayHasKey( 0, $v, self::PARAM_ASSERT );
		$this->assertArrayHasKey( 1, $v, self::PARAM_ASSERT );
		$this->assertType( 'array', $v[0], self::PARAM_ASSERT );
		$this->assertType( 'array', $v[1], self::PARAM_ASSERT );

		return $v;
	}

	/**
	 * Recursively merges the expected values in the $item into the $all
	 */
	private function mergeExpected( &$all, $item ) {
		foreach ( $item as $k => $v ) {
			if ( array_key_exists( $k, $all ) ) {
				if ( is_array( $all[$k] ) ) {
					$this->mergeExpected( $all[$k], $v );
				} else {
					$this->assertEquals( $all[$k], $v );
				}
			} else {
				$all[$k] = $v;
			}
		}
	}

	/**
	 * Checks that the request's result matches the expected results.
	 * @param $values array is a two element array( request, expected_results )
	 * @throws Exception
	 */
	protected function check( $values ) {
		list( $req, $exp ) = $this->validateRequestExpectedPair( $values );
		if ( !array_key_exists( 'action', $req ) ) {
			$req['action'] = 'query';
		}
		foreach ( $req as &$val ) {
			if ( is_array( $val ) ) {
				$val = implode( '|', array_unique( $val ) );
			}
		}
		$result = $this->doApiRequest( $req );
		$this->assertResult( array( 'query' => $exp ), $result[0], $req );
	}

	protected function assertResult( $exp, $result, $message = '' ) {
		try {
			$this->assertResultRecursive( $exp, $result );
		} catch ( Exception $e ) {
			if ( is_array( $message ) ) {
				$message = http_build_query( $message );
			}
			print "\nRequest: $message\n";
			print "\nExpected:\n";
			print_r( $exp );
			print "\nResult:\n";
			print_r( $result );
			throw $e; // rethrow it
		}
	}

	/**
	 * Recursively compare arrays, ignoring mismatches in numeric key and pageids.
	 * @param $expected array expected values
	 * @param $result array returned values
	 */
	private function assertResultRecursive( $expected, $result ) {
		reset( $expected );
		reset( $result );
		while ( true ) {
			$e = each( $expected );
			$r = each( $result );
			// If either of the arrays is shorter, abort. If both are done, success.
			$this->assertEquals( (bool)$e, (bool)$r );
			if ( !$e ) {
				break; // done
			}
			// continue only if keys are identical or both keys are numeric
			$this->assertTrue( $e['key'] === $r['key'] || ( is_numeric( $e['key'] ) && is_numeric( $r['key'] ) ) );
			// don't compare pageids
			if ( $e['key'] !== 'pageid' ) {
				// If values are arrays, compare recursively, otherwise compare with ===
				if ( is_array( $e['value'] ) && is_array( $r['value'] ) ) {
					$this->assertResultRecursive( $e['value'], $r['value'] );
				} else {
					$this->assertEquals( $e['value'], $r['value'] );
				}
			}
		}
	}
}