File: StubObjectTest.php

package info (click to toggle)
mediawiki 1%3A1.43.3%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 417,464 kB
  • sloc: php: 1,062,949; javascript: 664,290; sql: 9,714; python: 5,458; xml: 3,489; sh: 1,131; makefile: 64
file content (216 lines) | stat: -rw-r--r-- 4,911 bytes parent folder | download
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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
<?php

/**
 * 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 2 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
 */

use MediaWiki\StubObject\StubObject;

/**
 * Testing the magic for __get(), __set(), and __call() for our
 * example global, $wgDummy, which would be an instance
 * of DemoStubbed but is wrapped in a MediaWiki\StubObject\StubObject
 * @author DannyS712
 *
 * @covers \MediaWiki\StubObject\StubObject
 */
class StubObjectTest extends MediaWikiIntegrationTestCase {

	/** @var int */
	private $oldErrorLevel;

	protected function setUp(): void {
		parent::setUp();

		// Make sure deprecation notices are seen
		$this->oldErrorLevel = error_reporting( -1 );

		global $wgDummy;
		$wgDummy = new StubObject(
			'wgDummy',
			[ __CLASS__, 'factory' ]
		);
	}

	protected function tearDown(): void {
		error_reporting( $this->oldErrorLevel );
		parent::tearDown();
	}

	/**
	 * Static factory method for creating the underlying global, which is
	 * a DemoStubbed with the starting value of 5
	 *
	 * @return DemoStubbed
	 */
	public static function factory(): DemoStubbed {
		return new DemoStubbed( 5 );
	}

	public function testCallMagic() {
		global $wgDummy;
		$this->assertInstanceOf(
			StubObject::class,
			$wgDummy,
			'Global starts as stub object'
		);
		$this->assertSame(
			5,
			$wgDummy->getNum(),
			'__call() based on id set in ::setUp()'
		);
		$this->assertInstanceOf(
			DemoStubbed::class,
			$wgDummy,
			'__call() resulted in unstubbing'
		);
	}

	public function testGetMagic() {
		// MediaWiki\StubObject\StubObject::__get() returning DemoStubbed::$num
		global $wgDummy;
		$this->assertInstanceOf(
			StubObject::class,
			$wgDummy,
			'Global starts as stub object'
		);
		$this->assertSame(
			5,
			$wgDummy->num,
			'__get() based on id set in ::setUp()'
		);
		$this->assertInstanceOf(
			DemoStubbed::class,
			$wgDummy,
			'__get() resulted in unstubbing'
		);
	}

	public function testGetMagic_virtual() {
		// MediaWiki\StubObject\StubObject::__get() calling DemoStubbed::__get()
		global $wgDummy;
		$this->assertInstanceOf(
			StubObject::class,
			$wgDummy,
			'Global starts as stub object'
		);
		$this->assertSame(
			10,
			$wgDummy->doubleNum,
			'__get() a virtual property based on id set in ::setUp()'
		);
		$this->assertInstanceOf(
			DemoStubbed::class,
			$wgDummy,
			'__get() resulted in unstubbing'
		);
	}

	public function testSetMagic() {
		// MediaWiki\StubObject\StubObject::__set() changing DemoStubbed::$num
		global $wgDummy;
		$this->assertInstanceOf(
			StubObject::class,
			$wgDummy,
			'Global starts as stub object'
		);
		$wgDummy->num = 100;
		$this->assertInstanceOf(
			DemoStubbed::class,
			$wgDummy,
			'__set() resulted in unstubbing'
		);
		$this->assertSame(
			100,
			$wgDummy->num,
			'__set() changed the value'
		);
	}

	public function testSetMagic_virtual() {
		// MediaWiki\StubObject\StubObject::__set() calling DemoStubbed::__set()
		global $wgDummy;
		$this->assertInstanceOf(
			StubObject::class,
			$wgDummy,
			'Global starts as stub object'
		);
		$wgDummy->doubleNum = 100;
		$this->assertInstanceOf(
			DemoStubbed::class,
			$wgDummy,
			'__set() resulted in unstubbing'
		);
		$this->assertSame(
			50,
			$wgDummy->num,
			'__set() changed the value'
		);
	}
}

/**
 * This is the object that we are stubbing so we can test the various magic methods
 */
class DemoStubbed {

	/** @var int */
	public $num;

	/**
	 * @param int $num
	 */
	public function __construct( int $num ) {
		$this->num = $num;
	}

	/**
	 * @return int
	 */
	public function getNum(): int {
		return $this->num;
	}

	/**
	 * Magic handling for retrieving fake property "doubleNum"
	 *
	 * @param string $field
	 * @return mixed
	 */
	public function __get( $field ) {
		if ( $field === 'doubleNum' ) {
			return ( 2 * $this->num );
		}
		trigger_error( 'Inaccessible property via __get(): ' . $field, E_USER_NOTICE );
	}

	/**
	 * Magic handling for setting fake property "doubleNum"
	 *
	 * @param string $field
	 * @param mixed $value
	 */
	public function __set( $field, $value ) {
		if ( $field === 'doubleNum' ) {
			$this->num = (int)( $value / 2 );
			return;
		}
		trigger_error( 'Inaccessible property via __set(): ' . $field, E_USER_NOTICE );
	}

}