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
217
218
219
220
221
222
223
224
225
226
227
228
229
|
<?php
/*
* This file is part of the Prophecy.
* (c) Konstantin Kudryashov <ever.zet@gmail.com>
* Marcello Duarte <marcello.duarte@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Prophecy\Call;
use Prophecy\Exception\Prophecy\MethodProphecyException;
use Prophecy\Prophecy\MethodProphecy;
use Prophecy\Prophecy\ObjectProphecy;
use Prophecy\Argument\ArgumentsWildcard;
use Prophecy\Util\StringUtil;
use Prophecy\Exception\Call\UnexpectedCallException;
/**
* Calls receiver & manager.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
*/
class CallCenter
{
private $util;
/**
* @var Call[]
*/
private $recordedCalls = array();
/**
* Initializes call center.
*
* @param StringUtil $util
*/
public function __construct(StringUtil $util = null)
{
$this->util = $util ?: new StringUtil;
}
/**
* Makes and records specific method call for object prophecy.
*
* @param ObjectProphecy $prophecy
* @param string $methodName
* @param array $arguments
*
* @return mixed Returns null if no promise for prophecy found or promise return value.
*
* @throws \Prophecy\Exception\Call\UnexpectedCallException If no appropriate method prophecy found
*/
public function makeCall(ObjectProphecy $prophecy, $methodName, array $arguments)
{
// For efficiency exclude 'args' from the generated backtrace
if (PHP_VERSION_ID >= 50400) {
// Limit backtrace to last 3 calls as we don't use the rest
// Limit argument was introduced in PHP 5.4.0
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
} elseif (defined('DEBUG_BACKTRACE_IGNORE_ARGS')) {
// DEBUG_BACKTRACE_IGNORE_ARGS was introduced in PHP 5.3.6
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
} else {
$backtrace = debug_backtrace();
}
$file = $line = null;
if (isset($backtrace[2]) && isset($backtrace[2]['file'])) {
$file = $backtrace[2]['file'];
$line = $backtrace[2]['line'];
}
// If no method prophecies defined, then it's a dummy, so we'll just return null
if ('__destruct' === $methodName || 0 == count($prophecy->getMethodProphecies())) {
$this->recordedCalls[] = new Call($methodName, $arguments, null, null, $file, $line);
return null;
}
// There are method prophecies, so it's a fake/stub. Searching prophecy for this call
$matches = array();
foreach ($prophecy->getMethodProphecies($methodName) as $methodProphecy) {
if (0 < $score = $methodProphecy->getArgumentsWildcard()->scoreArguments($arguments)) {
$matches[] = array($score, $methodProphecy);
}
}
// If fake/stub doesn't have method prophecy for this call - throw exception
if (!count($matches)) {
throw $this->createUnexpectedCallException($prophecy, $methodName, $arguments);
}
// Sort matches by their score value
@usort($matches, function ($match1, $match2) { return $match2[0] - $match1[0]; });
$score = $matches[0][0];
// If Highest rated method prophecy has a promise - execute it or return null instead
$methodProphecy = $matches[0][1];
$returnValue = null;
$exception = null;
if ($promise = $methodProphecy->getPromise()) {
try {
$returnValue = $promise->execute($arguments, $prophecy, $methodProphecy);
} catch (\Exception $e) {
$exception = $e;
}
}
if ($methodProphecy->hasReturnVoid() && $returnValue !== null) {
throw new MethodProphecyException(
"The method \"$methodName\" has a void return type, but the promise returned a value",
$methodProphecy
);
}
$this->recordedCalls[] = $call = new Call(
$methodName, $arguments, $returnValue, $exception, $file, $line
);
$call->addScore($methodProphecy->getArgumentsWildcard(), $score);
if (null !== $exception) {
throw $exception;
}
return $returnValue;
}
/**
* Searches for calls by method name & arguments wildcard.
*
* @param string $methodName
* @param ArgumentsWildcard $wildcard
*
* @return Call[]
*/
public function findCalls($methodName, ArgumentsWildcard $wildcard)
{
return array_values(
array_filter($this->recordedCalls, function (Call $call) use ($methodName, $wildcard) {
return $methodName === $call->getMethodName()
&& 0 < $call->getScore($wildcard)
;
})
);
}
private function createUnexpectedCallException(ObjectProphecy $prophecy, $methodName,
array $arguments)
{
$classname = get_class($prophecy->reveal());
$indentationLength = 8; // looks good
$argstring = implode(
",\n",
$this->indentArguments(
array_map(array($this->util, 'stringify'), $arguments),
$indentationLength
)
);
$expected = array();
foreach (call_user_func_array('array_merge', $prophecy->getMethodProphecies()) as $methodProphecy) {
$expected[] = sprintf(
" - %s(\n" .
"%s\n" .
" )",
$methodProphecy->getMethodName(),
implode(
",\n",
$this->indentArguments(
array_map('strval', $methodProphecy->getArgumentsWildcard()->getTokens()),
$indentationLength
)
)
);
}
return new UnexpectedCallException(
sprintf(
"Unexpected method call on %s:\n".
" - %s(\n".
"%s\n".
" )\n".
"expected calls were:\n".
"%s",
$classname, $methodName, $argstring, implode("\n", $expected)
),
$prophecy, $methodName, $arguments
);
}
private function formatExceptionMessage(MethodProphecy $methodProphecy)
{
return sprintf(
" - %s(\n".
"%s\n".
" )",
$methodProphecy->getMethodName(),
implode(
",\n",
$this->indentArguments(
array_map(
function ($token) {
return (string) $token;
},
$methodProphecy->getArgumentsWildcard()->getTokens()
),
$indentationLength
)
)
);
}
private function indentArguments(array $arguments, $indentationLength)
{
return preg_replace_callback(
'/^/m',
function () use ($indentationLength) {
return str_repeat(' ', $indentationLength);
},
$arguments
);
}
}
|
