MethodProphecy::hasReturnVoid() - Code Metrics - Inspection of "Merge pull request #322 from Sam-Burns/patch-1" - phpspec/prophecy - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( a8acfc...5bbe1c )

by Konstantin

created 2017-03-02 19:46 UTC

MethodProphecy::hasReturnVoid() A

↳ Parent: MethodProphecy

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	0

<?php

/*
 * This file is part of the Prophecy.
 * (c) Konstantin Kudryashov <[email protected]>
 *     Marcello Duarte <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Prophecy\Prophecy;

use Prophecy\Argument;
use Prophecy\Prophet;
use Prophecy\Promise;
use Prophecy\Prediction;
use Prophecy\Exception\Doubler\MethodNotFoundException;
use Prophecy\Exception\InvalidArgumentException;
use Prophecy\Exception\Prophecy\MethodProphecyException;

/**
 * Method prophecy.
 *
 * @author Konstantin Kudryashov <[email protected]>
 */
class MethodProphecy
{
    private $objectProphecy;
    private $methodName;
    private $argumentsWildcard;
    private $promise;
    private $prediction;
    private $checkedPredictions = array();
    private $bound = false;
    private $voidReturnType = false;

    /**
     * Initializes method prophecy.
     *
     * @param ObjectProphecy                        $objectProphecy
     * @param string                                $methodName
     * @param null|Argument\ArgumentsWildcard|array $arguments
     *
     * @throws \Prophecy\Exception\Doubler\MethodNotFoundException If method not found
     */
    public function __construct(ObjectProphecy $objectProphecy, $methodName, $arguments = null)
    {
        $double = $objectProphecy->reveal();
        if (!method_exists($double, $methodName)) {
            throw new MethodNotFoundException(sprintf(
                'Method `%s::%s()` is not defined.', get_class($double), $methodName
            ), get_class($double), $methodName, $arguments);

        }

        $this->objectProphecy = $objectProphecy;
        $this->methodName     = $methodName;

        $reflectedMethod = new \ReflectionMethod($double, $methodName);
        if ($reflectedMethod->isFinal()) {
            throw new MethodProphecyException(sprintf(
                "Can not add prophecy for a method `%s::%s()`\n".
                "as it is a final method.",
                get_class($double),
                $methodName
            ), $this);
        }

        if (null !== $arguments) {
            $this->withArguments($arguments);
        }

        if (version_compare(PHP_VERSION, '7.0', '>=') && true === $reflectedMethod->hasReturnType()) {
            $type = (string) $reflectedMethod->getReturnType();

            if ('void' === $type) {
                $this->voidReturnType = true;
                return;
            }

            $this->will(function () use ($type) {
                switch ($type) {
                    case 'string': return '';
                    case 'float':  return 0.0;
                    case 'int':    return 0;
                    case 'bool':   return false;
                    case 'array':  return array();

                    case 'callable':
                    case 'Closure':
                        return function () {};

                    case 'Traversable':
                    case 'Generator':
                        // Remove eval() when minimum version >=5.5
                        /** @var callable $generator */
                        $generator = eval('return function () { yield; };');
                        return $generator();

                    default:
                        $prophet = new Prophet;
                        return $prophet->prophesize($type)->reveal();
                }
            });
        }
    }

    /**
     * Sets argument wildcard.
     *
     * @param array|Argument\ArgumentsWildcard $arguments
     *
     * @return $this
     *
     * @throws \Prophecy\Exception\InvalidArgumentException
     */
    public function withArguments($arguments)
    {
        if (is_array($arguments)) {
            $arguments = new Argument\ArgumentsWildcard($arguments);
        }

        if (!$arguments instanceof Argument\ArgumentsWildcard) {
            throw new InvalidArgumentException(sprintf(
                "Either an array or an instance of ArgumentsWildcard expected as\n".
                'a `MethodProphecy::withArguments()` argument, but got %s.',
                gettype($arguments)
            ));
        }

        $this->argumentsWildcard = $arguments;

        return $this;
    }

    /**
     * Sets custom promise to the prophecy.
     *
     * @param callable|Promise\PromiseInterface $promise
     *
     * @return $this
     *
     * @throws \Prophecy\Exception\InvalidArgumentException
     */
    public function will($promise)

    {
        if (is_callable($promise)) {
            $promise = new Promise\CallbackPromise($promise);
        }

        if (!$promise instanceof Promise\PromiseInterface) {
            throw new InvalidArgumentException(sprintf(
                'Expected callable or instance of PromiseInterface, but got %s.',
                gettype($promise)
            ));
        }

        $this->bindToObjectProphecy();
        $this->promise = $promise;

        return $this;
    }

    /**
     * Sets return promise to the prophecy.
     *
     * @see Prophecy\Promise\ReturnPromise
     *
     * @return $this
     */
    public function willReturn()
    {
        if ($this->voidReturnType) {
            throw new MethodProphecyException(
                "The method \"$this->methodName\" has a void return type, and so cannot return anything",
                $this
            );
        }

        return $this->will(new Promise\ReturnPromise(func_get_args()));
    }

    /**
     * Sets return argument promise to the prophecy.
     *
     * @param int $index The zero-indexed number of the argument to return
     *
     * @see Prophecy\Promise\ReturnArgumentPromise
     *
     * @return $this
     */
    public function willReturnArgument($index = 0)
    {
        if ($this->voidReturnType) {
            throw new MethodProphecyException("The method \"$this->methodName\" has a void return type", $this);
        }

        return $this->will(new Promise\ReturnArgumentPromise($index));
    }

    /**
     * Sets throw promise to the prophecy.
     *
     * @see Prophecy\Promise\ThrowPromise
     *
     * @param string|\Exception $exception Exception class or instance
     *
     * @return $this
     */
    public function willThrow($exception)
    {
        return $this->will(new Promise\ThrowPromise($exception));
    }

    /**
     * Sets custom prediction to the prophecy.
     *
     * @param callable|Prediction\PredictionInterface $prediction
     *
     * @return $this
     *
     * @throws \Prophecy\Exception\InvalidArgumentException
     */
    public function should($prediction)

    {
        if (is_callable($prediction)) {
            $prediction = new Prediction\CallbackPrediction($prediction);
        }

        if (!$prediction instanceof Prediction\PredictionInterface) {
            throw new InvalidArgumentException(sprintf(
                'Expected callable or instance of PredictionInterface, but got %s.',
                gettype($prediction)
            ));
        }

        $this->bindToObjectProphecy();
        $this->prediction = $prediction;

        return $this;
    }

    /**
     * Sets call prediction to the prophecy.
     *
     * @see Prophecy\Prediction\CallPrediction
     *
     * @return $this
     */
    public function shouldBeCalled()
    {
        return $this->should(new Prediction\CallPrediction);
    }

    /**
     * Sets no calls prediction to the prophecy.
     *
     * @see Prophecy\Prediction\NoCallsPrediction
     *
     * @return $this
     */
    public function shouldNotBeCalled()
    {
        return $this->should(new Prediction\NoCallsPrediction);
    }

    /**
     * Sets call times prediction to the prophecy.
     *
     * @see Prophecy\Prediction\CallTimesPrediction
     *
     * @param $count
     *
     * @return $this
     */
    public function shouldBeCalledTimes($count)
    {
        return $this->should(new Prediction\CallTimesPrediction($count));
    }

    /**
     * Checks provided prediction immediately.
     *
     * @param callable|Prediction\PredictionInterface $prediction
     *
     * @return $this
     *
     * @throws \Prophecy\Exception\InvalidArgumentException
     */
    public function shouldHave($prediction)
    {
        if (is_callable($prediction)) {
            $prediction = new Prediction\CallbackPrediction($prediction);
        }

        if (!$prediction instanceof Prediction\PredictionInterface) {
            throw new InvalidArgumentException(sprintf(
                'Expected callable or instance of PredictionInterface, but got %s.',
                gettype($prediction)
            ));
        }

        if (null === $this->promise && !$this->voidReturnType) {
            $this->willReturn();
        }

        $calls = $this->getObjectProphecy()->findProphecyMethodCalls(
            $this->getMethodName(),
            $this->getArgumentsWildcard()
        );

        try {
            $prediction->check($calls, $this->getObjectProphecy(), $this);
            $this->checkedPredictions[] = $prediction;
        } catch (\Exception $e) {
            $this->checkedPredictions[] = $prediction;

            throw $e;
        }

        return $this;
    }

    /**
     * Checks call prediction.
     *
     * @see Prophecy\Prediction\CallPrediction
     *
     * @return $this
     */
    public function shouldHaveBeenCalled()
    {
        return $this->shouldHave(new Prediction\CallPrediction);
    }

    /**
     * Checks no calls prediction.
     *
     * @see Prophecy\Prediction\NoCallsPrediction
     *
     * @return $this
     */
    public function shouldNotHaveBeenCalled()
    {
        return $this->shouldHave(new Prediction\NoCallsPrediction);
    }

    /**
     * Checks no calls prediction.
     *
     * @see Prophecy\Prediction\NoCallsPrediction
     * @deprecated
     *
     * @return $this
     */
    public function shouldNotBeenCalled()
    {
        return $this->shouldNotHaveBeenCalled();
    }

    /**
     * Checks call times prediction.
     *
     * @see Prophecy\Prediction\CallTimesPrediction
     *
     * @param int $count
     *
     * @return $this
     */
    public function shouldHaveBeenCalledTimes($count)
    {
        return $this->shouldHave(new Prediction\CallTimesPrediction($count));
    }

    /**
     * Checks currently registered [with should(...)] prediction.
     */
    public function checkPrediction()
    {
        if (null === $this->prediction) {
            return;
        }

        $this->shouldHave($this->prediction);
    }

    /**
     * Returns currently registered promise.
     *
     * @return null|Promise\PromiseInterface
     */
    public function getPromise()
    {
        return $this->promise;
    }

    /**
     * Returns currently registered prediction.
     *
     * @return null|Prediction\PredictionInterface
     */
    public function getPrediction()
    {
        return $this->prediction;
    }

    /**
     * Returns predictions that were checked on this object.
     *
     * @return Prediction\PredictionInterface[]
     */
    public function getCheckedPredictions()
    {
        return $this->checkedPredictions;
    }

    /**
     * Returns object prophecy this method prophecy is tied to.
     *
     * @return ObjectProphecy
     */
    public function getObjectProphecy()
    {
        return $this->objectProphecy;
    }

    /**
     * Returns method name.
     *
     * @return string
     */
    public function getMethodName()
    {
        return $this->methodName;
    }

    /**
     * Returns arguments wildcard.
     *
     * @return Argument\ArgumentsWildcard
     */
    public function getArgumentsWildcard()
    {
        return $this->argumentsWildcard;
    }

    /**
     * @return bool
     */
    public function hasReturnVoid()
    {
        return $this->voidReturnType;
    }

    private function bindToObjectProphecy()
    {
        if ($this->bound) {
            return;
        }

        $this->getObjectProphecy()->addMethodProphecy($this);
        $this->bound = true;
    }
}


1		<?php
2
3		/*
4		* This file is part of the Prophecy.
5		* (c) Konstantin Kudryashov <[email protected]>
6		* Marcello Duarte <[email protected]>
7		*
8		* For the full copyright and license information, please view the LICENSE
9		* file that was distributed with this source code.
10		*/
11
12		namespace Prophecy\Prophecy;
13
14		use Prophecy\Argument;
15		use Prophecy\Prophet;
16		use Prophecy\Promise;
17		use Prophecy\Prediction;
18		use Prophecy\Exception\Doubler\MethodNotFoundException;
19		use Prophecy\Exception\InvalidArgumentException;
20		use Prophecy\Exception\Prophecy\MethodProphecyException;
21
22		/**
23		* Method prophecy.
24		*
25		* @author Konstantin Kudryashov <[email protected]>
26		*/
27		class MethodProphecy
28		{
29		private $objectProphecy;
30		private $methodName;
31		private $argumentsWildcard;
32		private $promise;
33		private $prediction;
34		private $checkedPredictions = array();
35		private $bound = false;
36		private $voidReturnType = false;
37
38		/**
39		* Initializes method prophecy.
40		*
41		* @param ObjectProphecy $objectProphecy
42		* @param string $methodName
43		* @param null\|Argument\ArgumentsWildcard\|array $arguments
44		*
45		* @throws \Prophecy\Exception\Doubler\MethodNotFoundException If method not found
46		*/
47		public function __construct(ObjectProphecy $objectProphecy, $methodName, $arguments = null)
48		{
49		$double = $objectProphecy->reveal();
50		if (!method_exists($double, $methodName)) {
51		throw new MethodNotFoundException(sprintf(
52		'Method `%s::%s()` is not defined.', get_class($double), $methodName
53		), get_class($double), $methodName, $arguments);
		0 ignored issues – show Bug introduced 2016-02-08 11:33 UTC by Report Bug Copy Issue Report It seems like `$arguments` defined by parameter `$arguments` on line 47 can also be of type `object<Prophecy\Argument\ArgumentsWildcard>`; however, `Prophecy\Exception\Doubl...xception::__construct()` does only seem to accept `null\|object<Prophecy\Exc...rgumentsWildcard>\|array`, maybe add an additional type check? This check looks at variables that have been passed in as parameters and are passed out again to other methods. If the outgoing method call has stricter type requirements than the method itself, an issue is raised. An additional type check may prevent trouble. Loading history...
54		}
55
56		$this->objectProphecy = $objectProphecy;
57		$this->methodName = $methodName;
58
59		$reflectedMethod = new \ReflectionMethod($double, $methodName);
60		if ($reflectedMethod->isFinal()) {
61		throw new MethodProphecyException(sprintf(
62		"Can not add prophecy for a method `%s::%s()`\n".
63		"as it is a final method.",
64		get_class($double),
65		$methodName
66		), $this);
67		}
68
69		if (null !== $arguments) {
70		$this->withArguments($arguments);
71		}
72
73		if (version_compare(PHP_VERSION, '7.0', '>=') && true === $reflectedMethod->hasReturnType()) {
74		$type = (string) $reflectedMethod->getReturnType();
75
76		if ('void' === $type) {
77		$this->voidReturnType = true;
78		return;
79		}
80
81		$this->will(function () use ($type) {
82		switch ($type) {
83		case 'string': return '';
84		case 'float': return 0.0;
85		case 'int': return 0;
86		case 'bool': return false;
87		case 'array': return array();
88
89		case 'callable':
90		case 'Closure':
91		return function () {};
92
93		case 'Traversable':
94		case 'Generator':
95		// Remove eval() when minimum version >=5.5
96		/** @var callable $generator */
97		$generator = eval('return function () { yield; };');
98		return $generator();
99
100		default:
101		$prophet = new Prophet;
102		return $prophet->prophesize($type)->reveal();
103		}
104		});
105		}
106		}
107
108		/**
109		* Sets argument wildcard.
110		*
111		* @param array\|Argument\ArgumentsWildcard $arguments
112		*
113		* @return $this
114		*
115		* @throws \Prophecy\Exception\InvalidArgumentException
116		*/
117		public function withArguments($arguments)
118		{
119		if (is_array($arguments)) {
120		$arguments = new Argument\ArgumentsWildcard($arguments);
121		}
122
123		if (!$arguments instanceof Argument\ArgumentsWildcard) {
124		throw new InvalidArgumentException(sprintf(
125		"Either an array or an instance of ArgumentsWildcard expected as\n".
126		'a `MethodProphecy::withArguments()` argument, but got %s.',
127		gettype($arguments)
128		));
129		}
130
131		$this->argumentsWildcard = $arguments;
132
133		return $this;
134		}
135
136		/**
137		* Sets custom promise to the prophecy.
138		*
139		* @param callable\|Promise\PromiseInterface $promise
140		*
141		* @return $this
142		*
143		* @throws \Prophecy\Exception\InvalidArgumentException
144		*/
145	View Code Duplication	public function will($promise)
		0 ignored issues – show Duplication introduced 2015-11-20 22:14 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
146		{
147		if (is_callable($promise)) {
148		$promise = new Promise\CallbackPromise($promise);
149		}
150
151		if (!$promise instanceof Promise\PromiseInterface) {
152		throw new InvalidArgumentException(sprintf(
153		'Expected callable or instance of PromiseInterface, but got %s.',
154		gettype($promise)
155		));
156		}
157
158		$this->bindToObjectProphecy();
159		$this->promise = $promise;
160
161		return $this;
162		}
163
164		/**
165		* Sets return promise to the prophecy.
166		*
167		* @see Prophecy\Promise\ReturnPromise
168		*
169		* @return $this
170		*/
171		public function willReturn()
172		{
173		if ($this->voidReturnType) {
174		throw new MethodProphecyException(
175		"The method \"$this->methodName\" has a void return type, and so cannot return anything",
176		$this
177		);
178		}
179
180		return $this->will(new Promise\ReturnPromise(func_get_args()));
181		}
182
183		/**
184		* Sets return argument promise to the prophecy.
185		*
186		* @param int $index The zero-indexed number of the argument to return
187		*
188		* @see Prophecy\Promise\ReturnArgumentPromise
189		*
190		* @return $this
191		*/
192		public function willReturnArgument($index = 0)
193		{
194		if ($this->voidReturnType) {
195		throw new MethodProphecyException("The method \"$this->methodName\" has a void return type", $this);
196		}
197
198		return $this->will(new Promise\ReturnArgumentPromise($index));
199		}
200
201		/**
202		* Sets throw promise to the prophecy.
203		*
204		* @see Prophecy\Promise\ThrowPromise
205		*
206		* @param string\|\Exception $exception Exception class or instance
207		*
208		* @return $this
209		*/
210		public function willThrow($exception)
211		{
212		return $this->will(new Promise\ThrowPromise($exception));
213		}
214
215		/**
216		* Sets custom prediction to the prophecy.
217		*
218		* @param callable\|Prediction\PredictionInterface $prediction
219		*
220		* @return $this
221		*
222		* @throws \Prophecy\Exception\InvalidArgumentException
223		*/
224	View Code Duplication	public function should($prediction)
		0 ignored issues – show Duplication introduced 2015-11-20 22:14 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
225		{
226		if (is_callable($prediction)) {
227		$prediction = new Prediction\CallbackPrediction($prediction);
228		}
229
230		if (!$prediction instanceof Prediction\PredictionInterface) {
231		throw new InvalidArgumentException(sprintf(
232		'Expected callable or instance of PredictionInterface, but got %s.',
233		gettype($prediction)
234		));
235		}
236
237		$this->bindToObjectProphecy();
238		$this->prediction = $prediction;
239
240		return $this;
241		}
242
243		/**
244		* Sets call prediction to the prophecy.
245		*
246		* @see Prophecy\Prediction\CallPrediction
247		*
248		* @return $this
249		*/
250		public function shouldBeCalled()
251		{
252		return $this->should(new Prediction\CallPrediction);
253		}
254
255		/**
256		* Sets no calls prediction to the prophecy.
257		*
258		* @see Prophecy\Prediction\NoCallsPrediction
259		*
260		* @return $this
261		*/
262		public function shouldNotBeCalled()
263		{
264		return $this->should(new Prediction\NoCallsPrediction);
265		}
266
267		/**
268		* Sets call times prediction to the prophecy.
269		*
270		* @see Prophecy\Prediction\CallTimesPrediction
271		*
272		* @param $count
273		*
274		* @return $this
275		*/
276		public function shouldBeCalledTimes($count)
277		{
278		return $this->should(new Prediction\CallTimesPrediction($count));
279		}
280
281		/**
282		* Checks provided prediction immediately.
283		*
284		* @param callable\|Prediction\PredictionInterface $prediction
285		*
286		* @return $this
287		*
288		* @throws \Prophecy\Exception\InvalidArgumentException
289		*/
290		public function shouldHave($prediction)
291		{
292		if (is_callable($prediction)) {
293		$prediction = new Prediction\CallbackPrediction($prediction);
294		}
295
296		if (!$prediction instanceof Prediction\PredictionInterface) {
297		throw new InvalidArgumentException(sprintf(
298		'Expected callable or instance of PredictionInterface, but got %s.',
299		gettype($prediction)
300		));
301		}
302
303		if (null === $this->promise && !$this->voidReturnType) {
304		$this->willReturn();
305		}
306
307		$calls = $this->getObjectProphecy()->findProphecyMethodCalls(
308		$this->getMethodName(),
309		$this->getArgumentsWildcard()
310		);
311
312		try {
313		$prediction->check($calls, $this->getObjectProphecy(), $this);
314		$this->checkedPredictions[] = $prediction;
315		} catch (\Exception $e) {
316		$this->checkedPredictions[] = $prediction;
317
318		throw $e;
319		}
320
321		return $this;
322		}
323
324		/**
325		* Checks call prediction.
326		*
327		* @see Prophecy\Prediction\CallPrediction
328		*
329		* @return $this
330		*/
331		public function shouldHaveBeenCalled()
332		{
333		return $this->shouldHave(new Prediction\CallPrediction);
334		}
335
336		/**
337		* Checks no calls prediction.
338		*
339		* @see Prophecy\Prediction\NoCallsPrediction
340		*
341		* @return $this
342		*/
343		public function shouldNotHaveBeenCalled()
344		{
345		return $this->shouldHave(new Prediction\NoCallsPrediction);
346		}
347
348		/**
349		* Checks no calls prediction.
350		*
351		* @see Prophecy\Prediction\NoCallsPrediction
352		* @deprecated
353		*
354		* @return $this
355		*/
356		public function shouldNotBeenCalled()
357		{
358		return $this->shouldNotHaveBeenCalled();
359		}
360
361		/**
362		* Checks call times prediction.
363		*
364		* @see Prophecy\Prediction\CallTimesPrediction
365		*
366		* @param int $count
367		*
368		* @return $this
369		*/
370		public function shouldHaveBeenCalledTimes($count)
371		{
372		return $this->shouldHave(new Prediction\CallTimesPrediction($count));
373		}
374
375		/**
376		* Checks currently registered [with should(...)] prediction.
377		*/
378		public function checkPrediction()
379		{
380		if (null === $this->prediction) {
381		return;
382		}
383
384		$this->shouldHave($this->prediction);
385		}
386
387		/**
388		* Returns currently registered promise.
389		*
390		* @return null\|Promise\PromiseInterface
391		*/
392		public function getPromise()
393		{
394		return $this->promise;
395		}
396
397		/**
398		* Returns currently registered prediction.
399		*
400		* @return null\|Prediction\PredictionInterface
401		*/
402		public function getPrediction()
403		{
404		return $this->prediction;
405		}
406
407		/**
408		* Returns predictions that were checked on this object.
409		*
410		* @return Prediction\PredictionInterface[]
411		*/
412		public function getCheckedPredictions()
413		{
414		return $this->checkedPredictions;
415		}
416
417		/**
418		* Returns object prophecy this method prophecy is tied to.
419		*
420		* @return ObjectProphecy
421		*/
422		public function getObjectProphecy()
423		{
424		return $this->objectProphecy;
425		}
426
427		/**
428		* Returns method name.
429		*
430		* @return string
431		*/
432		public function getMethodName()
433		{
434		return $this->methodName;
435		}
436
437		/**
438		* Returns arguments wildcard.
439		*
440		* @return Argument\ArgumentsWildcard
441		*/
442		public function getArgumentsWildcard()
443		{
444		return $this->argumentsWildcard;
445		}
446
447		/**
448		* @return bool
449		*/
450		public function hasReturnVoid()
451		{
452		return $this->voidReturnType;
453		}
454
455		private function bindToObjectProphecy()
456		{
457		if ($this->bound) {
458		return;
459		}
460
461		$this->getObjectProphecy()->addMethodProphecy($this);
462		$this->bound = true;
463		}
464		}
465

phpspec / prophecy

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MethodProphecy::hasReturnVoid() A

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