MatchesSnapshots::doFileSnapshotAssertion() - Code Metrics - Inspection of "add file snapshot assertion" - spatie/phpunit-snapshot-assertions - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#35)

unknown

created 2017-11-22 08:49 UTC

MatchesSnapshots::doFileSnapshotAssertion() C

↳ Parent: MatchesSnapshots

Complexity

Conditions	7
Paths	48

Size

Total Lines	44
Code Lines	22

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	44
rs	6.7272
c	0
b	0
f	0
cc	7
eloc	22
nc	48
nop	1

<?php

namespace Spatie\Snapshots;

use PHPUnit\Framework\ExpectationFailedException;
use PHPUnit_Framework_ExpectationFailedException;
use ReflectionClass;
use ReflectionObject;
use Spatie\Snapshots\Drivers\JsonDriver;
use Spatie\Snapshots\Drivers\VarDriver;
use Spatie\Snapshots\Drivers\XmlDriver;

trait MatchesSnapshots
{
    /** @var int */
    protected $snapshotIncrementor;

    /** @before */
    public function setUpSnapshotIncrementor()
    {
        $this->snapshotIncrementor = 0;
    }

    public function assertMatchesSnapshot($actual, Driver $driver = null)
    {
        $this->doSnapshotAssertion($actual, $driver ?? new VarDriver());
    }

    public function assertMatchesXmlSnapshot($actual)
    {
        $this->assertMatchesSnapshot($actual, new XmlDriver());
    }

    public function assertMatchesJsonSnapshot($actual)
    {
        $this->assertMatchesSnapshot($actual, new JsonDriver());
    }

    public function assertMatchesFileHashSnapshot($filePath)
    {
        if (! file_exists($filePath)) {
            $this->fail('File does not exist');
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
        }

        $actual = sha1_file($filePath);

        $this->assertMatchesSnapshot($actual);
    }

    public function assertMatchesFileSnapshot($file)
    {
        $this->doFileSnapshotAssertion($file);
    }

    /**
     * Determines the snapshot's id. By default, the test case's class and
     * method names are used.
     *
     * @return string
     */
    protected function getSnapshotId(): string
    {
        return (new ReflectionClass($this))->getShortName().'__'.
            $this->getName().'__'.
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
            $this->snapshotIncrementor;
    }

    /**
     * Determines the directory where snapshots are stored. By default a
     * `__snapshots__` directory is created at the same level as the test
     * class.
     *
     * @return string
     */
    protected function getSnapshotDirectory(): string
    {
        return dirname((new ReflectionClass($this))->getFileName()).
            DIRECTORY_SEPARATOR.
            '__snapshots__';
    }

    /**
     * Determines the directory where file snapshots are stored. By default a
     * `__snapshots__/files` directory is created at the same level as the
     * test class.
     *
     * @return string
     */
    protected function getFileSnapshotDirectory(): string
    {
        return $this->getSnapshotDirectory().
            DIRECTORY_SEPARATOR.
            'files';
    }

    /**
     * Determines whether or not the snapshot should be updated instead of
     * matched.
     *
     * Override this method it you want to use a different flag or mechanism
     * than `-d --update-snapshots`.
     *
     * @return bool
     */
    protected function shouldUpdateSnapshots(): bool
    {
        return in_array('--update-snapshots', $_SERVER['argv'], true);
    }

    protected function doSnapshotAssertion($actual, Driver $driver)
    {
        $this->snapshotIncrementor++;

        $snapshot = Snapshot::forTestCase(
            $this->getSnapshotId(),
            $this->getSnapshotDirectory(),
            $driver
        );

        if (! $snapshot->exists()) {
            $this->createSnapshotAndMarkTestIncomplete($snapshot, $actual);
        }

        if ($this->shouldUpdateSnapshots()) {
            try {
                // We only want to update snapshots which need updating. If the snapshot doesn't
                // match the expected output, we'll catch the failure, create a new snapshot and
                // mark the test as incomplete.
                $snapshot->assertMatches($actual);
            } catch (ExpectationFailedException $exception) {
                $this->updateSnapshotAndMarkTestIncomplete($snapshot, $actual);
            } catch (PHPUnit_Framework_ExpectationFailedException $exception) {

                $this->updateSnapshotAndMarkTestIncomplete($snapshot, $actual);
            }
        }

        try {
            $snapshot->assertMatches($actual);
        } catch (ExpectationFailedException $exception) {
            $this->rethrowExpectationFailedExceptionWithUpdateSnapshotsPrompt($exception);
        } catch (PHPUnit_Framework_ExpectationFailedException $exception) {

            $this->rethrowExpectationFailedExceptionWithUpdateSnapshotsPrompt($exception);
        }
    }

    protected function doFileSnapshotAssertion(string $filePath)
    {
        if (! file_exists($filePath)) {
            $this->fail('File does not exist');
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
        }

        $fileExtension = pathinfo($filePath, PATHINFO_EXTENSION);

        if (empty($fileExtension)) {
            $this->fail("Unable to make a file snapshot, file does not have a file extension ({$filePath})");
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
        }

        $fileSystem = Filesystem::inDirectory($this->getFileSnapshotDirectory());

        $this->snapshotIncrementor++;

        $snapshotId = $this->getSnapshotId().'.'.$fileExtension;

        $failedSnapshotId = $snapshotId.'_failed.'.$fileExtension;

        if ($fileSystem->has($failedSnapshotId)) {
            $fileSystem->delete($failedSnapshotId);
        }

        if (! $fileSystem->has($snapshotId)) {
            $fileSystem->copy($filePath, $snapshotId);

            $this->markTestIncomplete("File snapshot created for {$snapshotId}");

        }

        if (! $fileSystem->fileEquals($filePath, $snapshotId)) {
            if ($this->shouldUpdateSnapshots()) {
                $fileSystem->copy($filePath, $snapshotId);

                $this->markTestIncomplete("File snapshot updated for {$snapshotId}");

            }

            $fileSystem->copy($filePath, $failedSnapshotId);

            $this->fail("File did not match snapshot ({$snapshotId})");
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
        }

        $this->assertTrue(true);
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
    }

    protected function createSnapshotAndMarkTestIncomplete(Snapshot $snapshot, $actual)
    {
        $snapshot->create($actual);

        $this->markTestIncomplete("Snapshot created for {$snapshot->id()}");

    }

    protected function updateSnapshotAndMarkTestIncomplete(Snapshot $snapshot, $actual)
    {
        $snapshot->create($actual);

        $this->markTestIncomplete("Snapshot updated for {$snapshot->id()}");

    }

    protected function rethrowExpectationFailedExceptionWithUpdateSnapshotsPrompt($exception)
    {
        $newMessage = $exception->getMessage()."\n\n".
            'Snapshots can be updated by passing '.
            '`-d --update-snapshots` through PHPUnit\'s CLI arguments.';

        $exceptionReflection = new ReflectionObject($exception);

        $messageReflection = $exceptionReflection->getProperty('message');
        $messageReflection->setAccessible(true);
        $messageReflection->setValue($exception, $newMessage);

        throw $exception;
    }
}


1			<?php
2
3			namespace Spatie\Snapshots;
4
5			use PHPUnit\Framework\ExpectationFailedException;
6			use PHPUnit_Framework_ExpectationFailedException;
7			use ReflectionClass;
8			use ReflectionObject;
9			use Spatie\Snapshots\Drivers\JsonDriver;
10			use Spatie\Snapshots\Drivers\VarDriver;
11			use Spatie\Snapshots\Drivers\XmlDriver;
12
13			trait MatchesSnapshots
14			{
15			/** @var int */
16			protected $snapshotIncrementor;
17
18			/** @before */
19			public function setUpSnapshotIncrementor()
20			{
21			$this->snapshotIncrementor = 0;
22			}
23
24			public function assertMatchesSnapshot($actual, Driver $driver = null)
25			{
26			$this->doSnapshotAssertion($actual, $driver ?? new VarDriver());
27			}
28
29			public function assertMatchesXmlSnapshot($actual)
30			{
31			$this->assertMatchesSnapshot($actual, new XmlDriver());
32			}
33
34			public function assertMatchesJsonSnapshot($actual)
35			{
36			$this->assertMatchesSnapshot($actual, new JsonDriver());
37			}
38
39			public function assertMatchesFileHashSnapshot($filePath)
40			{
41			if (! file_exists($filePath)) {
42			$this->fail('File does not exist');
			0 ignored issues – show Bug introduced 2017-10-06 17:45 UTC by Report Bug Copy Issue Report It seems like `fail()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
43			}
44
45			$actual = sha1_file($filePath);
46
47			$this->assertMatchesSnapshot($actual);
48			}
49
50			public function assertMatchesFileSnapshot($file)
51			{
52			$this->doFileSnapshotAssertion($file);
53			}
54
55			/**
56			* Determines the snapshot's id. By default, the test case's class and
57			* method names are used.
58			*
59			* @return string
60			*/
61			protected function getSnapshotId(): string
62			{
63			return (new ReflectionClass($this))->getShortName().'__'.
64			$this->getName().'__'.
			0 ignored issues – show Bug introduced 2017-03-27 13:08 UTC by Report Bug Copy Issue Report It seems like `getName()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
65			$this->snapshotIncrementor;
66			}
67
68			/**
69			* Determines the directory where snapshots are stored. By default a
70			* `__snapshots__` directory is created at the same level as the test
71			* class.
72			*
73			* @return string
74			*/
75			protected function getSnapshotDirectory(): string
76			{
77			return dirname((new ReflectionClass($this))->getFileName()).
78			DIRECTORY_SEPARATOR.
79			'__snapshots__';
80			}
81
82			/**
83			* Determines the directory where file snapshots are stored. By default a
84			* `__snapshots__/files` directory is created at the same level as the
85			* test class.
86			*
87			* @return string
88			*/
89			protected function getFileSnapshotDirectory(): string
90			{
91			return $this->getSnapshotDirectory().
92			DIRECTORY_SEPARATOR.
93			'files';
94			}
95
96			/**
97			* Determines whether or not the snapshot should be updated instead of
98			* matched.
99			*
100			* Override this method it you want to use a different flag or mechanism
101			* than `-d --update-snapshots`.
102			*
103			* @return bool
104			*/
105			protected function shouldUpdateSnapshots(): bool
106			{
107			return in_array('--update-snapshots', $_SERVER['argv'], true);
108			}
109
110			protected function doSnapshotAssertion($actual, Driver $driver)
111			{
112			$this->snapshotIncrementor++;
113
114			$snapshot = Snapshot::forTestCase(
115			$this->getSnapshotId(),
116			$this->getSnapshotDirectory(),
117			$driver
118			);
119
120			if (! $snapshot->exists()) {
121			$this->createSnapshotAndMarkTestIncomplete($snapshot, $actual);
122			}
123
124			if ($this->shouldUpdateSnapshots()) {
125			try {
126			// We only want to update snapshots which need updating. If the snapshot doesn't
127			// match the expected output, we'll catch the failure, create a new snapshot and
128			// mark the test as incomplete.
129			$snapshot->assertMatches($actual);
130			} catch (ExpectationFailedException $exception) {
131			$this->updateSnapshotAndMarkTestIncomplete($snapshot, $actual);
132			} catch (PHPUnit_Framework_ExpectationFailedException $exception) {
			0 ignored issues – show Bug introduced 2017-03-27 13:28 UTC by Report Bug Copy Issue Report The class `PHPUnit_Framework_ExpectationFailedException` does not exist. Is this class maybe located in a folder that is not analyzed, or in a newer version of your dependencies than listed in your composer.lock/composer.json? Loading history...
133			$this->updateSnapshotAndMarkTestIncomplete($snapshot, $actual);
134			}
135			}
136
137			try {
138			$snapshot->assertMatches($actual);
139			} catch (ExpectationFailedException $exception) {
140			$this->rethrowExpectationFailedExceptionWithUpdateSnapshotsPrompt($exception);
141			} catch (PHPUnit_Framework_ExpectationFailedException $exception) {
			0 ignored issues – show Bug introduced 2017-05-29 08:50 UTC by Report Bug Copy Issue Report The class `PHPUnit_Framework_ExpectationFailedException` does not exist. Is this class maybe located in a folder that is not analyzed, or in a newer version of your dependencies than listed in your composer.lock/composer.json? Loading history...
142			$this->rethrowExpectationFailedExceptionWithUpdateSnapshotsPrompt($exception);
143			}
144			}
145
146			protected function doFileSnapshotAssertion(string $filePath)
147			{
148			if (! file_exists($filePath)) {
149			$this->fail('File does not exist');
			0 ignored issues – show Bug introduced 2017-11-22 08:56 UTC by Report Bug Copy Issue Report It seems like `fail()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
150			}
151
152			$fileExtension = pathinfo($filePath, PATHINFO_EXTENSION);
153
154			if (empty($fileExtension)) {
155			$this->fail("Unable to make a file snapshot, file does not have a file extension ({$filePath})");
			0 ignored issues – show Bug introduced 2017-11-22 08:56 UTC by Report Bug Copy Issue Report It seems like `fail()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
156			}
157
158			$fileSystem = Filesystem::inDirectory($this->getFileSnapshotDirectory());
159
160			$this->snapshotIncrementor++;
161
162			$snapshotId = $this->getSnapshotId().'.'.$fileExtension;
163
164			$failedSnapshotId = $snapshotId.'_failed.'.$fileExtension;
165
166			if ($fileSystem->has($failedSnapshotId)) {
167			$fileSystem->delete($failedSnapshotId);
168			}
169
170			if (! $fileSystem->has($snapshotId)) {
171			$fileSystem->copy($filePath, $snapshotId);
172
173			$this->markTestIncomplete("File snapshot created for {$snapshotId}");
			0 ignored issues – show Bug introduced 2017-11-22 08:56 UTC by Report Bug Copy Issue Report The method `markTestIncomplete()` does not exist on `Spatie\Snapshots\MatchesSnapshots`. Did you maybe mean `createSnapshotAndMarkTestIncomplete()`? This check marks calls to methods that do not seem to exist on an object. This is most likely the result of a method being renamed without all references to it being renamed likewise. Loading history...
174			}
175
176			if (! $fileSystem->fileEquals($filePath, $snapshotId)) {
177			if ($this->shouldUpdateSnapshots()) {
178			$fileSystem->copy($filePath, $snapshotId);
179
180			$this->markTestIncomplete("File snapshot updated for {$snapshotId}");
			0 ignored issues – show Bug introduced 2017-11-22 08:56 UTC by Report Bug Copy Issue Report The method `markTestIncomplete()` does not exist on `Spatie\Snapshots\MatchesSnapshots`. Did you maybe mean `createSnapshotAndMarkTestIncomplete()`? This check marks calls to methods that do not seem to exist on an object. This is most likely the result of a method being renamed without all references to it being renamed likewise. Loading history...
181			}
182
183			$fileSystem->copy($filePath, $failedSnapshotId);
184
185			$this->fail("File did not match snapshot ({$snapshotId})");
			0 ignored issues – show Bug introduced 2017-11-22 08:56 UTC by Report Bug Copy Issue Report It seems like `fail()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
186			}
187
188			$this->assertTrue(true);
			0 ignored issues – show Bug introduced 2017-11-22 08:56 UTC by Report Bug Copy Issue Report It seems like `assertTrue()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
189			}
190
191			protected function createSnapshotAndMarkTestIncomplete(Snapshot $snapshot, $actual)
192			{
193			$snapshot->create($actual);
194
195			$this->markTestIncomplete("Snapshot created for {$snapshot->id()}");
			0 ignored issues – show Bug introduced 2017-05-29 08:50 UTC by Report Bug Copy Issue Report The method `markTestIncomplete()` does not exist on `Spatie\Snapshots\MatchesSnapshots`. Did you maybe mean `createSnapshotAndMarkTestIncomplete()`? This check marks calls to methods that do not seem to exist on an object. This is most likely the result of a method being renamed without all references to it being renamed likewise. Loading history...
196			}
197
198			protected function updateSnapshotAndMarkTestIncomplete(Snapshot $snapshot, $actual)
199			{
200			$snapshot->create($actual);
201
202			$this->markTestIncomplete("Snapshot updated for {$snapshot->id()}");
			0 ignored issues – show Bug introduced 2017-05-29 08:50 UTC by Report Bug Copy Issue Report The method `markTestIncomplete()` does not exist on `Spatie\Snapshots\MatchesSnapshots`. Did you maybe mean `createSnapshotAndMarkTestIncomplete()`? This check marks calls to methods that do not seem to exist on an object. This is most likely the result of a method being renamed without all references to it being renamed likewise. Loading history...
203			}
204
205			protected function rethrowExpectationFailedExceptionWithUpdateSnapshotsPrompt($exception)
206			{
207			$newMessage = $exception->getMessage()."\n\n".
208			'Snapshots can be updated by passing '.
209			'`-d --update-snapshots` through PHPUnit\'s CLI arguments.';
210
211			$exceptionReflection = new ReflectionObject($exception);
212
213			$messageReflection = $exceptionReflection->getProperty('message');
214			$messageReflection->setAccessible(true);
215			$messageReflection->setValue($exception, $newMessage);
216
217			throw $exception;
218			}
219			}
220

spatie / phpunit-snapshot-assertions

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Pull Request — master (#35)

MatchesSnapshots::doFileSnapshotAssertion() C

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Duplication

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