wp-optimize / vendor / rosell-dk / exec-with-fallback / tests / ExecWithFallbackTest.php

ExecWithFallbackTest.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.5, at vendor/rosell-dk/exec-with-fallback/tests/ExecWithFallbackTest.php

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1	<?php
2	namespace ExecWithFallback;
3
4	class ExecWithFallbackWithSetMethods extends ExecWithFallback
5	{
6
7	public static function setMethods($methods)
8	{
9	self::$methods = $methods;
10	}
11
12	public static function resetMethods()
13	{
14	self::$methods = ['exec', 'passthru', 'popen', 'proc_open', 'shell_exec'];
15	}
16	}
17
18	namespace ExecWithFallback\Tests;
19
20	use PHPUnit\Framework\TestCase;
21	use ExecWithFallback\ExecWithFallback;
22	use ExecWithFallback\ExecWithFallbackWithSetMethods;
23
24
25	class ExecWithFallbackTest extends BaseTest
26	{
27	public $className = 'ExecWithFallback';
28
29	public function isAvailable()
30	{
31	return
32	ExecWithFallback::functionEnabled('exec') \|\|
33	ExecWithFallback::functionEnabled('proc_open') \|\|
34	ExecWithFallback::functionEnabled('passthru') \|\|
35	ExecWithFallback::functionEnabled('popen') \|\|
36	ExecWithFallback::functionEnabled('shell_exec');
37	}
38
39	public function runExec($command, &$output = null, &$result_code = null)
40	{
41	return ExecWithFallback::exec($command, $output, $result_code);
42	}
43
44	public function testFunctionEnabled()
45	{
46	$this->assertTrue(ExecWithFallback::functionEnabled('function_exists'));
47	$this->assertFalse(ExecWithFallback::functionEnabled('atoehutaoeut'));
48
49	$d = ini_get('disable_functions');
50	if (function_exists('ini_set') && ini_set('disable_functions', 'passthru')) {
51	$this->assertFalse(ExecWithFallback::functionEnabled('passthru'));
52	ini_set('disable_functions', $d);
53	}
54	$d = ini_get('suhosin.executor.func.blacklist');
55	if (function_exists('ini_set') && ini_set('suhosin.executor.func.blacklist', 'passthru')) {
56	$this->assertFalse(ExecWithFallback::functionEnabled('passthru'));
57	ini_set('suhosin.executor.func.blacklist', $d);
58	}
59	}
60
61	public function testRunExec()
62	{
63	if (ExecWithFallback::functionEnabled('exec')) {
64	$result = ExecWithFallback::runExec('exec', 'echo hi');
65	$this->assertEquals('hi', $result);
66	} elseif (ExecWithFallback::functionEnabled('passthru')) {
67	$result = ExecWithFallback::runExec('passthru', 'echo hi');
68	$this->assertEquals('hi', $result);
69	} else {
70	$this->assertTrue(true);
71	}
72
73	/*
74	if (ExecWithFallback::functionEnabled('shell_exec')) {
75	$result = ExecWithFallback::runExec('shell_exec', 'echo hi', $output, $result_code);
76	$this->assertFalse($result);
77	}*/
78	}
79
80	public function testAnyMethodAvailable()
81	{
82	$methods = ['exec', 'passthru', 'popen', 'proc_open', 'shell_exec'];
83	$anyAvailable = false;
84	$anyOtherThanShellExecAvailable = false;
85	foreach ($methods as $method) {
86	if (ExecWithFallback::functionEnabled($method)) {
87	$anyAvailable = true;
88	if ($method != 'shell_exec') {
89	$anyOtherThanShellExecAvailable = true;
90	}
91	}
92	}
93
94	$this->assertSame($anyAvailable, ExecWithFallback::anyAvailable(false));
95	$this->assertSame($anyOtherThanShellExecAvailable, ExecWithFallback::anyAvailable(true));
96	$this->assertSame($anyOtherThanShellExecAvailable, ExecWithFallback::anyAvailable());
97	}
98
99	public function testExec()
100	{
101	if (ExecWithFallback::anyAvailable()) {
102	$result = ExecWithFallback::exec('echo hi', $output);
103	$this->assertSame('hi', $result);
104	} else {
105	$exceptionThrown = true;
106	try {
107	$result = ExecWithFallback::exec('echo hi', $output);
108	} catch (\Exception $e) {
109	$exceptionThrown = true;
110	}
111	$this->assertTrue($exceptionThrown);
112	}
113
114	}
115
116	public function testExecNoMethods()
117	{
118	ExecWithFallbackWithSetMethods::setMethods([]);
119	$exceptionThrown = true;
120	try {
121	$result = ExecWithFallbackWithSetMethods::exec('echo hi', $output);
122	} catch (\Exception $e) {
123	$exceptionThrown = true;
124	}
125	ExecWithFallbackWithSetMethods::resetMethods();
126	$this->assertTrue($exceptionThrown);
127	}
128
129	public function testExecOnlyShellExec()
130	{
131	ExecWithFallbackWithSetMethods::setMethods(['shell_exec']);
132	$exceptionThrown = false;
133	try {
134	// shell_exec cannot be used with 3 arguments, so an exception is expected
135	$result = ExecWithFallbackWithSetMethods::exec('echo hi', $output, $result_code);
136	} catch (\Exception $e) {
137	$exceptionThrown = true;
138	}
139	$this->assertTrue($exceptionThrown);
140
141	if (ExecWithFallback::functionEnabled('shell_exec')) {
142	// shell_exec works with 2 arguments, so no exception is expected
143	$result = ExecWithFallbackWithSetMethods::exec('echo hm', $output);
144	$this->assertSame('hm', $result);
145	}
146	ExecWithFallbackWithSetMethods::resetMethods();
147	}
148
149	public function testExecOnlyPassthru()
150	{
151	ExecWithFallbackWithSetMethods::setMethods(['passthru']);
152	if (ExecWithFallback::functionEnabled('passthru')) {
153	// shell_exec works with 2 arguments, so no exception is expected
154	$result = ExecWithFallbackWithSetMethods::exec('echo hi', $output);
155	$this->assertSame('hi', $result);
156	}
157	ExecWithFallbackWithSetMethods::resetMethods();
158	}
159
160
161	/**
162	* This may throw FATAL! (but does not do in any of the systems in our CI)
163	*/
164	public function testExecNoMercyNoMethods()
165	{
166	ExecWithFallbackWithSetMethods::setMethods([]);
167
168	$exceptionThrown = false;
169	try {
170	$result = ExecWithFallbackWithSetMethods::exec('echo hi', $output);
171	} catch (\Exception $e) {
172	$exceptionThrown = true;
173	} catch (\Error $e) {
174	$exceptionThrown = true;
175	}
176	$this->assertTrue($exceptionThrown);
177	ExecWithFallbackWithSetMethods::resetMethods();
178	}
179
180
181	}
182