ContextServiceEnvironmentHandler - Code Metrics - FriendsOfBehat/SymfonyExtension - Measure and Improve Code Quality continuously with Scrutinizer

ContextServiceEnvironmentHandler A
last analyzed 2020-11-05 21:00 UTC

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	175
Duplicated Lines	8 %

Coupling/Cohesion

Components	1
Dependencies	12

Importance

Changes

Metric	Value
wmc	24
lcom	1
cbo	12
dl	14
loc	175
rs	10
c	0
b	0
f	0

12 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	registerContextInitializer()	0	4	1
A	supportsSuite()	0	4	1
A	buildEnvironment()	0	22	3
A	supportsEnvironmentAndSubject()	0	4	1
A	assertEnvironmentCanBeIsolated()	0	10	2
A	getContainer()	0	16	3
A	isolateEnvironment()	0	24	3
A	initializeContext()	0	6	2
A	getSuiteContextsServices()	7	14	2
A	cloneSuiteWithoutContexts()	7	18	2
A	normalizeContext()	0	12	3

How to fix Duplicated Code

<?php

declare(strict_types=1);

/*
 * This file is part of the SymfonyExtension package.
 *
 * (c) Kamil Kokot <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace FriendsOfBehat\SymfonyExtension\Context\Environment\Handler;

use Behat\Behat\Context\Context;
use Behat\Behat\Context\Environment\ContextEnvironment;
use Behat\Behat\Context\Environment\InitializedContextEnvironment;
use Behat\Behat\Context\Initializer\ContextInitializer;
use Behat\Testwork\Environment\Environment;
use Behat\Testwork\Environment\Exception\EnvironmentIsolationException;
use Behat\Testwork\Environment\Handler\EnvironmentHandler;
use Behat\Testwork\Suite\Exception\SuiteConfigurationException;
use Behat\Testwork\Suite\GenericSuite;
use Behat\Testwork\Suite\Suite;
use FriendsOfBehat\SymfonyExtension\Bundle\FriendsOfBehatSymfonyExtensionBundle;
use FriendsOfBehat\SymfonyExtension\Context\Environment\InitializedSymfonyExtensionEnvironment;
use FriendsOfBehat\SymfonyExtension\Context\Environment\UninitializedSymfonyExtensionEnvironment;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpKernel\KernelInterface;

final class ContextServiceEnvironmentHandler implements EnvironmentHandler
{
    /** @var KernelInterface */
    private $symfonyKernel;

    /** @var EnvironmentHandler */
    private $decoratedEnvironmentHandler;

    /** @var ContextInitializer[] */
    private $contextInitializers = [];

    public function __construct(KernelInterface $symfonyKernel, EnvironmentHandler $decoratedEnvironmentHandler)
    {
        $this->symfonyKernel = $symfonyKernel;
        $this->decoratedEnvironmentHandler = $decoratedEnvironmentHandler;
    }

    public function registerContextInitializer(ContextInitializer $contextInitializer): void
    {
        $this->contextInitializers[] = $contextInitializer;
    }

    public function supportsSuite(Suite $suite): bool
    {
        return $suite->hasSetting('contexts');
    }

    public function buildEnvironment(Suite $suite): Environment
    {
        $symfonyContexts = [];

        foreach ($this->getSuiteContextsServices($suite) as $serviceId) {
            if (!$this->getContainer()->has($serviceId)) {
                continue;
            }

            /** @var object $service */
            $service = $this->getContainer()->get($serviceId);

            $symfonyContexts[$serviceId] = get_class($service);
        }

        $delegatedSuite = $this->cloneSuiteWithoutContexts($suite, array_keys($symfonyContexts));

        /** @var ContextEnvironment $delegatedEnvironment */
        $delegatedEnvironment = $this->decoratedEnvironmentHandler->buildEnvironment($delegatedSuite);

        return new UninitializedSymfonyExtensionEnvironment($suite, $symfonyContexts, $delegatedEnvironment);
    }

    public function supportsEnvironmentAndSubject(Environment $environment, $testSubject = null): bool
    {
        return $environment instanceof UninitializedSymfonyExtensionEnvironment;
    }

    /**
     * @throws EnvironmentIsolationException
     */
    public function isolateEnvironment(Environment $uninitializedEnvironment, $testSubject = null): Environment
    {
        $this->assertEnvironmentCanBeIsolated($uninitializedEnvironment, $testSubject);

        $environment = new InitializedSymfonyExtensionEnvironment($uninitializedEnvironment->getSuite());

        foreach ($uninitializedEnvironment->getServices() as $serviceId) {
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}
            /** @var Context $context */
            $context = $this->getContainer()->get($serviceId);

            $this->initializeContext($context);

            $environment->registerContext($context);
        }

        /** @var InitializedContextEnvironment $delegatedEnvironment */
        $delegatedEnvironment = $this->decoratedEnvironmentHandler->isolateEnvironment($uninitializedEnvironment->getDelegatedEnvironment());
interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}

        foreach ($delegatedEnvironment->getContexts() as $context) {
            $environment->registerContext($context);
        }

        return $environment;
    }

    private function initializeContext(Context $context): void
    {
        foreach ($this->contextInitializers as $contextInitializer) {
            $contextInitializer->initializeContext($context);
        }
    }

    /**
     * @return string[]
     *
     * @throws SuiteConfigurationException If "contexts" setting is not an array
     */
    private function getSuiteContextsServices(Suite $suite): array
    {
        $contexts = $suite->getSetting('contexts');

        if (!is_array($contexts)) {

            throw new SuiteConfigurationException(sprintf(
                '"contexts" setting of the "%s" suite is expected to be an array, %s given.',
                $suite->getName(),
                gettype($contexts)
            ), $suite->getName());
        }

        return array_map([$this, 'normalizeContext'], $contexts);
    }

    private function cloneSuiteWithoutContexts(Suite $suite, array $contextsToRemove): Suite
    {
        $contexts = $suite->getSetting('contexts');

        if (!is_array($contexts)) {

            throw new SuiteConfigurationException(sprintf(
                '"contexts" setting of the "%s" suite is expected to be an array, %s given.',
                $suite->getName(),
                gettype($contexts)
            ), $suite->getName());
        }

        $contexts = array_filter($contexts, function ($context) use ($contextsToRemove): bool {
            return !in_array($this->normalizeContext($context), $contextsToRemove, true);
        });

        return new GenericSuite($suite->getName(), array_merge($suite->getSettings(), ['contexts' => $contexts]));
    }

    private function normalizeContext($context): string
    {
        if (is_array($context)) {
            return current(array_keys($context));
        }

        if (is_string($context)) {
            return $context;
        }

        throw new \Exception();
    }

    /**
     * @psalm-assert UninitializedSymfonyExtensionEnvironment $uninitializedEnvironment
     *
     * @throws EnvironmentIsolationException
     */
    private function assertEnvironmentCanBeIsolated(Environment $uninitializedEnvironment, $testSubject): void
    {
        if (!$this->supportsEnvironmentAndSubject($uninitializedEnvironment, $testSubject)) {
            throw new EnvironmentIsolationException(sprintf(
                '"%s" does not support isolation of "%s" environment.',
                static::class,
                get_class($uninitializedEnvironment)
            ), $uninitializedEnvironment);
        }
    }

    private function getContainer(): ContainerInterface
    {
        try {
            $this->symfonyKernel->getBundle('FriendsOfBehatSymfonyExtensionBundle');
        } catch (\InvalidArgumentException $exception) {
            throw new \RuntimeException(sprintf(
                'Kernel "%s" used by Behat with "%s" environment and debug %s needs to have "%s" bundle registered.',
                get_class($this->symfonyKernel),
                $this->symfonyKernel->getEnvironment(),
                $this->symfonyKernel->isDebug() ? 'enabled' : 'disabled',
                FriendsOfBehatSymfonyExtensionBundle::class
            ));
        }

        return $this->symfonyKernel->getContainer();
    }
}


ContextServiceEnvironmentHandler A
last analyzed 2020-11-05 21:00 UTC

Complexity

Size/Duplication

Coupling/Cohesion

Importance

12 Methods

How to fix Duplicated Code

Duplicated Code

Available Fixes

Available Fixes

1		<?php
2
3		declare(strict_types=1);
4
5		/*
6		* This file is part of the SymfonyExtension package.
7		*
8		* (c) Kamil Kokot <[email protected]>
9		*
10		* For the full copyright and license information, please view the LICENSE
11		* file that was distributed with this source code.
12		*/
13
14		namespace FriendsOfBehat\SymfonyExtension\Context\Environment\Handler;
15
16		use Behat\Behat\Context\Context;
17		use Behat\Behat\Context\Environment\ContextEnvironment;
18		use Behat\Behat\Context\Environment\InitializedContextEnvironment;
19		use Behat\Behat\Context\Initializer\ContextInitializer;
20		use Behat\Testwork\Environment\Environment;
21		use Behat\Testwork\Environment\Exception\EnvironmentIsolationException;
22		use Behat\Testwork\Environment\Handler\EnvironmentHandler;
23		use Behat\Testwork\Suite\Exception\SuiteConfigurationException;
24		use Behat\Testwork\Suite\GenericSuite;
25		use Behat\Testwork\Suite\Suite;
26		use FriendsOfBehat\SymfonyExtension\Bundle\FriendsOfBehatSymfonyExtensionBundle;
27		use FriendsOfBehat\SymfonyExtension\Context\Environment\InitializedSymfonyExtensionEnvironment;
28		use FriendsOfBehat\SymfonyExtension\Context\Environment\UninitializedSymfonyExtensionEnvironment;
29		use Symfony\Component\DependencyInjection\ContainerInterface;
30		use Symfony\Component\HttpKernel\KernelInterface;
31
32		final class ContextServiceEnvironmentHandler implements EnvironmentHandler
33		{
34		/** @var KernelInterface */
35		private $symfonyKernel;
36
37		/** @var EnvironmentHandler */
38		private $decoratedEnvironmentHandler;
39
40		/** @var ContextInitializer[] */
41		private $contextInitializers = [];
42
43		public function __construct(KernelInterface $symfonyKernel, EnvironmentHandler $decoratedEnvironmentHandler)
44		{
45		$this->symfonyKernel = $symfonyKernel;
46		$this->decoratedEnvironmentHandler = $decoratedEnvironmentHandler;
47		}
48
49		public function registerContextInitializer(ContextInitializer $contextInitializer): void
50		{
51		$this->contextInitializers[] = $contextInitializer;
52		}
53
54		public function supportsSuite(Suite $suite): bool
55		{
56		return $suite->hasSetting('contexts');
57		}
58
59		public function buildEnvironment(Suite $suite): Environment
60		{
61		$symfonyContexts = [];
62
63		foreach ($this->getSuiteContextsServices($suite) as $serviceId) {
64		if (!$this->getContainer()->has($serviceId)) {
65		continue;
66		}
67
68		/** @var object $service */
69		$service = $this->getContainer()->get($serviceId);
70
71		$symfonyContexts[$serviceId] = get_class($service);
72		}
73
74		$delegatedSuite = $this->cloneSuiteWithoutContexts($suite, array_keys($symfonyContexts));
75
76		/** @var ContextEnvironment $delegatedEnvironment */
77		$delegatedEnvironment = $this->decoratedEnvironmentHandler->buildEnvironment($delegatedSuite);
78
79		return new UninitializedSymfonyExtensionEnvironment($suite, $symfonyContexts, $delegatedEnvironment);
80		}
81
82		public function supportsEnvironmentAndSubject(Environment $environment, $testSubject = null): bool
83		{
84		return $environment instanceof UninitializedSymfonyExtensionEnvironment;
85		}
86
87		/**
88		* @throws EnvironmentIsolationException
89		*/
90		public function isolateEnvironment(Environment $uninitializedEnvironment, $testSubject = null): Environment
91		{
92		$this->assertEnvironmentCanBeIsolated($uninitializedEnvironment, $testSubject);
93
94		$environment = new InitializedSymfonyExtensionEnvironment($uninitializedEnvironment->getSuite());
95
96		foreach ($uninitializedEnvironment->getServices() as $serviceId) {
		0 ignored issues – show Bug introduced 2019-02-13 11:50 UTC by Report Bug Copy Issue Report It seems like you code against a concrete implementation and not the interface `Behat\Testwork\Environment\Environment` as the method `getServices()` does only exist in the following implementations of said interface: `FriendsOfBehat\SymfonyEx...onyExtensionEnvironment`. Let’s take a look at an example: interface User { /** @return string / public function getPassword(); } class MyUser implements User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the interface: interface User { /** @return string / public function getPassword(); /* @return string */ public function getDisplayName(); } Loading history...
97		/** @var Context $context */
98		$context = $this->getContainer()->get($serviceId);
99
100		$this->initializeContext($context);
101
102		$environment->registerContext($context);
103		}
104
105		/** @var InitializedContextEnvironment $delegatedEnvironment */
106		$delegatedEnvironment = $this->decoratedEnvironmentHandler->isolateEnvironment($uninitializedEnvironment->getDelegatedEnvironment());
		0 ignored issues – show Bug introduced 2019-02-13 11:50 UTC by Report Bug Copy Issue Report It seems like you code against a concrete implementation and not the interface `Behat\Testwork\Environment\Environment` as the method `getDelegatedEnvironment()` does only exist in the following implementations of said interface: `FriendsOfBehat\SymfonyEx...onyExtensionEnvironment`. Let’s take a look at an example: interface User { /** @return string / public function getPassword(); } class MyUser implements User { public function getPassword() { // return something } public function getDisplayName() { // return some name. } } class AuthSystem { public function authenticate(User $user) { $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName())); // do something. } } In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break. Available Fixes Change the type-hint for the parameter: class AuthSystem { public function authenticate(MyUser $user) { / ... / } } Add an additional type-check: class AuthSystem { public function authenticate(User $user) { if ($user instanceof MyUser) { $this->logger->info(/* ... /); } // or alternatively if ( ! $user instanceof MyUser) { throw new \LogicException( '$user must be an instance of MyUser, ' .'other instances are not supported.' ); } } } Note:* PHP Analyzer uses reverse abstract interpretation to narrow down the types inside the if block in such a case. Add the method to the interface: interface User { /** @return string / public function getPassword(); /* @return string */ public function getDisplayName(); } Loading history...
107
108		foreach ($delegatedEnvironment->getContexts() as $context) {
109		$environment->registerContext($context);
110		}
111
112		return $environment;
113		}
114
115		private function initializeContext(Context $context): void
116		{
117		foreach ($this->contextInitializers as $contextInitializer) {
118		$contextInitializer->initializeContext($context);
119		}
120		}
121
122		/**
123		* @return string[]
124		*
125		* @throws SuiteConfigurationException If "contexts" setting is not an array
126		*/
127		private function getSuiteContextsServices(Suite $suite): array
128		{
129		$contexts = $suite->getSetting('contexts');
130
131	View Code Duplication	if (!is_array($contexts)) {
		0 ignored issues – show Duplication introduced 2019-02-13 11:50 UTC by Report Bug Copy Issue Report This code seems to be duplicated across 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...
132		throw new SuiteConfigurationException(sprintf(
133		'"contexts" setting of the "%s" suite is expected to be an array, %s given.',
134		$suite->getName(),
135		gettype($contexts)
136		), $suite->getName());
137		}
138
139		return array_map([$this, 'normalizeContext'], $contexts);
140		}
141
142		private function cloneSuiteWithoutContexts(Suite $suite, array $contextsToRemove): Suite
143		{
144		$contexts = $suite->getSetting('contexts');
145
146	View Code Duplication	if (!is_array($contexts)) {
		0 ignored issues – show Duplication introduced 2019-02-13 11:50 UTC by Report Bug Copy Issue Report This code seems to be duplicated across 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...
147		throw new SuiteConfigurationException(sprintf(
148		'"contexts" setting of the "%s" suite is expected to be an array, %s given.',
149		$suite->getName(),
150		gettype($contexts)
151		), $suite->getName());
152		}
153
154		$contexts = array_filter($contexts, function ($context) use ($contextsToRemove): bool {
155		return !in_array($this->normalizeContext($context), $contextsToRemove, true);
156		});
157
158		return new GenericSuite($suite->getName(), array_merge($suite->getSettings(), ['contexts' => $contexts]));
159		}
160
161		private function normalizeContext($context): string
162		{
163		if (is_array($context)) {
164		return current(array_keys($context));
165		}
166
167		if (is_string($context)) {
168		return $context;
169		}
170
171		throw new \Exception();
172		}
173
174		/**
175		* @psalm-assert UninitializedSymfonyExtensionEnvironment $uninitializedEnvironment
176		*
177		* @throws EnvironmentIsolationException
178		*/
179		private function assertEnvironmentCanBeIsolated(Environment $uninitializedEnvironment, $testSubject): void
180		{
181		if (!$this->supportsEnvironmentAndSubject($uninitializedEnvironment, $testSubject)) {
182		throw new EnvironmentIsolationException(sprintf(
183		'"%s" does not support isolation of "%s" environment.',
184		static::class,
185		get_class($uninitializedEnvironment)
186		), $uninitializedEnvironment);
187		}
188		}
189
190		private function getContainer(): ContainerInterface
191		{
192		try {
193		$this->symfonyKernel->getBundle('FriendsOfBehatSymfonyExtensionBundle');
194		} catch (\InvalidArgumentException $exception) {
195		throw new \RuntimeException(sprintf(
196		'Kernel "%s" used by Behat with "%s" environment and debug %s needs to have "%s" bundle registered.',
197		get_class($this->symfonyKernel),
198		$this->symfonyKernel->getEnvironment(),
199		$this->symfonyKernel->isDebug() ? 'enabled' : 'disabled',
200		FriendsOfBehatSymfonyExtensionBundle::class
201		));
202		}
203
204		return $this->symfonyKernel->getContainer();
205		}
206		}
207

FriendsOfBehat / SymfonyExtension

ContextServiceEnvironmentHandler A last analyzed 2020-11-05 21:00 UTC

Complexity

Size/Duplication

Coupling/Cohesion

Importance

12 Methods

How to fix Duplicated Code

Duplicated Code

Available Fixes

Available Fixes

Duplication Side-by-Side

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ContextServiceEnvironmentHandler A
last analyzed 2020-11-05 21:00 UTC