ExceptionMatcher::matchType() - Code Metrics - Inspection of "Refactored formatter objectToString." - peridot-php/leo - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Erin

created 2016-09-21 01:07 UTC

ExceptionMatcher::matchType() A

↳ Parent: ExceptionMatcher

Complexity

Conditions	1
Paths	1

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	4
c	0
b	0
f	0
nc	1
nop	2
dl	0
loc	7
rs	9.4285

<?php

namespace Peridot\Leo\Matcher;

use Exception;
use Peridot\Leo\Matcher\Template\ArrayTemplate;
use Peridot\Leo\Matcher\Template\TemplateInterface;
use Throwable;

/**
 * ExceptionMatcher executes a callable and determines if an exception of a given type was thrown. It optionally
 * matches the exception message.
 *
 * @package Peridot\Leo\Matcher
 */
class ExceptionMatcher implements MatcherInterface
{
    use MatcherTrait;

    /**
     * @param string $exceptionType
     */
    public function __construct($exceptionType)
    {
        $this->expected = $exceptionType;

    }

    /**
     * Set arguments to be passed to the callable.
     *
     * @param  array $arguments
     * @return $this
     */
    public function setArguments(array $arguments)
    {
        $this->arguments = $arguments;

        return $this;
    }

    /**
     * Set the expected message of the exception.
     *
     * @param  string $message
     * @return $this
     */
    public function setExpectedMessage($message)
    {
        $this->expectedMessage = $message;

        return $this;
    }

    /**
     * Set the message thrown from an exception resulting from the
     * callable being invoked.
     *
     * @param string $message
     */
    public function setMessage($message)
    {
        $this->message = $message;
    }

    /**
     * Returns the arguments passed to the callable.
     *
     * @return array
     */
    public function getArguments()
    {
        return $this->arguments;
    }

    /**
     * Return the expected exception message.
     *
     * @return string
     */
    public function getExpectedMessage()
    {
        return $this->expectedMessage;
    }

    /**
     * Return the message thrown by an exception resulting from the callable
     * being invoked.
     *
     * @return string
     */
    public function getMessage()
    {
        return $this->message;
    }

    /**
     * {@inheritdoc}
     *
     * If the expected message has been set, the message template will be used.
     *
     * @return TemplateInterface
     */
    public function getTemplate()
    {
        if ($this->expectedMessage) {
            return $this->getMessageTemplate();
        }

        if (!isset($this->template)) {
            return $this->getDefaultTemplate();
        }

        return $this->template;
    }

    /**
     * Set the template to be used when an expected exception message is provided.
     *
     * @param  TemplateInterface $template
     * @return $this
     */
    public function setMessageTemplate(TemplateInterface $template)
    {
        $this->messageTemplate = $template;

        return $this;
    }

    /**
     * Return a template for rendering exception message templates.
     *
     * return TemplateInterface
     */
    public function getMessageTemplate()
    {
        if ($this->messageTemplate) {
            return $this->messageTemplate;
        }

        return $this->getDefaultMessageTemplate();
    }

    /**
     * {@inheritdoc}
     *
     * @return TemplateInterface
     */
    public function getDefaultTemplate()
    {
        $template = new ArrayTemplate([
            'default' => 'Expected exception of type {{expected}}',
            'negated' => 'Expected type of exception not to be {{expected}}',
        ]);

        return $template;
    }

    /**
     * Return a default template for exception message assertions.
     *
     * @return ArrayTemplate
     */
    public function getDefaultMessageTemplate()
    {
        return new ArrayTemplate([
            'default' => 'Expected exception message {{expected}}, got {{actual}}',
            'negated' => 'Expected exception message {{actual}} not to equal {{expected}}',
        ]);
    }

    /**
     * Executes the callable and matches the exception type and exception message.
     *
     * @param $actual
     * @return Match
     */
    public function match($actual)
    {
        $this->validateCallable($actual);

        list($exception, $message) = $this->callableException($actual);
        $this->setMessage($message);

        return $this->matchMessage($actual, $exception, $message);
    }

    /**
     * Validate that expected is indeed a valid callable.
     *
     * @throws \BadFunctionCallException
     */
    protected function validateCallable($callable)
    {
        if (!is_callable($callable)) {
            $callable = rtrim(print_r($callable, true));
            throw new \BadFunctionCallException('Invalid callable ' . $callable . ' given');
        }
    }

    private function callableException($callable)
    {
        $exception = null;
        $message = null;

        try {
            call_user_func_array($callable, $this->arguments);
        } catch (Exception $exception) {
            $message = $exception->getMessage();
            // fall-through ...
        } catch (Throwable $exception) {
            $message = $exception->getMessage();
            // fall-through ...
        }

        return array($exception, $message);
    }

    private function matchMessage($actual, $exception, $message)
    {
        if (!$this->expectedMessage || $message === $this->expectedMessage) {
            return $this->matchType($actual, $exception);
        }

        $isNegated = $this->isNegated();

        return new Match($isNegated, $this->expectedMessage, $message, $isNegated);
    }

    private function matchType($actual, $exception)
    {
        $isMatch = $exception instanceof $this->expected;

        $isNegated = $this->isNegated();

        return new Match($isMatch xor $isNegated, $this->expected, $actual, $isNegated);

    }

    /**
     * @var array
     */
    protected $arguments = [];

    /**
     * @var string
     */
    protected $expectedMessage = '';

    /**
     * A captured exception message.
     *
     * @var string
     */
    protected $message;

    /**
     * @var TemplateInterface
     */
    protected $messageTemplate;
}


1			<?php
2
3			namespace Peridot\Leo\Matcher;
4
5			use Exception;
6			use Peridot\Leo\Matcher\Template\ArrayTemplate;
7			use Peridot\Leo\Matcher\Template\TemplateInterface;
8			use Throwable;
9
10			/**
11			* ExceptionMatcher executes a callable and determines if an exception of a given type was thrown. It optionally
12			* matches the exception message.
13			*
14			* @package Peridot\Leo\Matcher
15			*/
16			class ExceptionMatcher implements MatcherInterface
17			{
18			use MatcherTrait;
19
20			/**
21			* @param string $exceptionType
22			*/
23			public function __construct($exceptionType)
24			{
25			$this->expected = $exceptionType;
			0 ignored issues – show Bug introduced 2016-09-21 01:09 UTC by Report Bug Copy Issue Report The property `expected` does not seem to exist. Did you mean `expectedMessage`? An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history...
26			}
27
28			/**
29			* Set arguments to be passed to the callable.
30			*
31			* @param array $arguments
32			* @return $this
33			*/
34			public function setArguments(array $arguments)
35			{
36			$this->arguments = $arguments;
37
38			return $this;
39			}
40
41			/**
42			* Set the expected message of the exception.
43			*
44			* @param string $message
45			* @return $this
46			*/
47			public function setExpectedMessage($message)
48			{
49			$this->expectedMessage = $message;
50
51			return $this;
52			}
53
54			/**
55			* Set the message thrown from an exception resulting from the
56			* callable being invoked.
57			*
58			* @param string $message
59			*/
60			public function setMessage($message)
61			{
62			$this->message = $message;
63			}
64
65			/**
66			* Returns the arguments passed to the callable.
67			*
68			* @return array
69			*/
70			public function getArguments()
71			{
72			return $this->arguments;
73			}
74
75			/**
76			* Return the expected exception message.
77			*
78			* @return string
79			*/
80			public function getExpectedMessage()
81			{
82			return $this->expectedMessage;
83			}
84
85			/**
86			* Return the message thrown by an exception resulting from the callable
87			* being invoked.
88			*
89			* @return string
90			*/
91			public function getMessage()
92			{
93			return $this->message;
94			}
95
96			/**
97			* {@inheritdoc}
98			*
99			* If the expected message has been set, the message template will be used.
100			*
101			* @return TemplateInterface
102			*/
103			public function getTemplate()
104			{
105			if ($this->expectedMessage) {
106			return $this->getMessageTemplate();
107			}
108
109			if (!isset($this->template)) {
110			return $this->getDefaultTemplate();
111			}
112
113			return $this->template;
114			}
115
116			/**
117			* Set the template to be used when an expected exception message is provided.
118			*
119			* @param TemplateInterface $template
120			* @return $this
121			*/
122			public function setMessageTemplate(TemplateInterface $template)
123			{
124			$this->messageTemplate = $template;
125
126			return $this;
127			}
128
129			/**
130			* Return a template for rendering exception message templates.
131			*
132			* return TemplateInterface
133			*/
134			public function getMessageTemplate()
135			{
136			if ($this->messageTemplate) {
137			return $this->messageTemplate;
138			}
139
140			return $this->getDefaultMessageTemplate();
141			}
142
143			/**
144			* {@inheritdoc}
145			*
146			* @return TemplateInterface
147			*/
148			public function getDefaultTemplate()
149			{
150			$template = new ArrayTemplate([
151			'default' => 'Expected exception of type {{expected}}',
152			'negated' => 'Expected type of exception not to be {{expected}}',
153			]);
154
155			return $template;
156			}
157
158			/**
159			* Return a default template for exception message assertions.
160			*
161			* @return ArrayTemplate
162			*/
163			public function getDefaultMessageTemplate()
164			{
165			return new ArrayTemplate([
166			'default' => 'Expected exception message {{expected}}, got {{actual}}',
167			'negated' => 'Expected exception message {{actual}} not to equal {{expected}}',
168			]);
169			}
170
171			/**
172			* Executes the callable and matches the exception type and exception message.
173			*
174			* @param $actual
175			* @return Match
176			*/
177			public function match($actual)
178			{
179			$this->validateCallable($actual);
180
181			list($exception, $message) = $this->callableException($actual);
182			$this->setMessage($message);
183
184			return $this->matchMessage($actual, $exception, $message);
185			}
186
187			/**
188			* Validate that expected is indeed a valid callable.
189			*
190			* @throws \BadFunctionCallException
191			*/
192			protected function validateCallable($callable)
193			{
194			if (!is_callable($callable)) {
195			$callable = rtrim(print_r($callable, true));
196			throw new \BadFunctionCallException('Invalid callable ' . $callable . ' given');
197			}
198			}
199
200			private function callableException($callable)
201			{
202			$exception = null;
203			$message = null;
204
205			try {
206			call_user_func_array($callable, $this->arguments);
207			} catch (Exception $exception) {
208			$message = $exception->getMessage();
209			// fall-through ...
210			} catch (Throwable $exception) {
211			$message = $exception->getMessage();
212			// fall-through ...
213			}
214
215			return array($exception, $message);
216			}
217
218			private function matchMessage($actual, $exception, $message)
219			{
220			if (!$this->expectedMessage \|\| $message === $this->expectedMessage) {
221			return $this->matchType($actual, $exception);
222			}
223
224			$isNegated = $this->isNegated();
225
226			return new Match($isNegated, $this->expectedMessage, $message, $isNegated);
227			}
228
229			private function matchType($actual, $exception)
230			{
231			$isMatch = $exception instanceof $this->expected;
			0 ignored issues – show Bug introduced 2016-09-21 01:09 UTC by Report Bug Copy Issue Report The property `expected` does not seem to exist. Did you mean `expectedMessage`? An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history...
232			$isNegated = $this->isNegated();
233
234			return new Match($isMatch xor $isNegated, $this->expected, $actual, $isNegated);
			0 ignored issues – show Bug introduced 2016-09-21 01:09 UTC by Report Bug Copy Issue Report The property `expected` does not seem to exist. Did you mean `expectedMessage`? An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading. Loading history...
235			}
236
237			/**
238			* @var array
239			*/
240			protected $arguments = [];
241
242			/**
243			* @var string
244			*/
245			protected $expectedMessage = '';
246
247			/**
248			* A captured exception message.
249			*
250			* @var string
251			*/
252			protected $message;
253
254			/**
255			* @var TemplateInterface
256			*/
257			protected $messageTemplate;
258			}
259

peridot-php / leo

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ExceptionMatcher::matchType() A

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