Tar - Code Metrics - Inspection of "Make sure ci build uses latest phpunit version" - sebastianfeldmann/phpbu - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 6a1fad...afb84c )

by Sebastian

created 2017-02-03 20:58 UTC

Tar A

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	168
Duplicated Lines	9.52 %

Coupling/Cohesion

Components	1
Dependencies	10

Test Coverage

Coverage

100%

Importance

Changes

Metric	Value
wmc	14
lcom	1
cbo	10
dl	16
loc	168
ccs	36
cts	36
cp	1
rs	10
c	0
b	0
f	0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	setup()	0	11	2
A	backup()	16	16	2
A	tarFailed()	0	5	3
B	createExecutable()	0	24	3
A	validatePath()	0	6	2
A	createStatus()	0	9	2

How to fix Duplicated Code

<?php
namespace phpbu\App\Backup\Source;

use phpbu\App\Backup\Target;
use phpbu\App\Cli\Executable;
use phpbu\App\Cli\Result as CliResult;
use phpbu\App\Exception;
use phpbu\App\Result;
use phpbu\App\Util;

/**
 * Tar source class.
 *
 * @package    phpbu
 * @subpackage Backup
 * @author     Sebastian Feldmann <[email protected]>
 * @copyright  Sebastian Feldmann <[email protected]>
 * @license    https://opensource.org/licenses/MIT The MIT License (MIT)
 * @link       http://phpbu.de/
 * @since      Class available since Release 1.0.0
 */
class Tar extends SimulatorExecutable implements Simulator
{
    /**
     * Tar Executable
     *
     * @var \phpbu\App\Cli\Executable\Tar
     */
    protected $executable;

    /**
     * Path to executable.
     *
     * @var string
     */
    private $pathToTar;

    /**
     * Path to backup
     *
     * @var string
     */
    private $path;

    /**
     * Tar should ignore failed reads
     * --ignore-failed-read
     *
     * @var boolean
     */
    private $ignoreFailedRead;

    /**
     * Remove the packed data
     *
     * @var boolean
     */
    private $removeSourceDir;

    /**
     * Compression to use.
     *
     * @var string
     */
    private $compression = '';

    /**
     * Path where to store the archive.
     *
     * @var string
     */
    private $pathToArchive;

    /**
     * Setup.
     *
     * @see    \phpbu\App\Backup\Source
     * @param  array $conf
     * @throws \phpbu\App\Exception
     */
    public function setup(array $conf = [])
    {
        $this->pathToTar        = Util\Arr::getValue($conf, 'pathToTar', '');
        $this->path             = Util\Arr::getValue($conf, 'path', '');
        $this->ignoreFailedRead = Util\Str::toBoolean(Util\Arr::getValue($conf, 'ignoreFailedRead', ''), false);
        $this->removeSourceDir  = Util\Str::toBoolean(Util\Arr::getValue($conf, 'removeSourceDir', ''), false);

        if (empty($this->path)) {
            throw new Exception('path option is mandatory');
        }
    }

    /**
     * Execute the backup.
     *
     * @see    \phpbu\App\Backup\Source
     * @param  \phpbu\App\Backup\Target $target
     * @param  \phpbu\App\Result        $result
     * @return \phpbu\App\Backup\Source\Status
     * @throws \phpbu\App\Exception
     */
    public function backup(Target $target, Result $result) : Status

    {
        // make sure source path is a directory
        $this->validatePath();
        // set uncompressed default MIME type
        $target->setMimeType('application/x-tar');
        $tar = $this->execute($target);

        $result->debug($tar->getCmdPrintable());

        if ($this->tarFailed($tar)) {
            throw new Exception('tar failed: ' . $tar->getStdErr());
        }

        return $this->createStatus($target);
    }

    /**
     * Check if tar failed.
     *
     * @param  \phpbu\App\Cli\Result
     * @return bool
     */
    public function tarFailed(CliResult $tar) : bool
    {
        $ignoreFail = $this->ignoreFailedRead && $tar->getCode() == 1;

        return !$tar->isSuccessful() && !$ignoreFail;
    }

    /**
     * Setup the Executable to run the 'tar' command.
     *
     * @param  \phpbu\App\Backup\Target
     * @return \phpbu\App\Cli\Executable
     */
    protected function createExecutable(Target $target) : Executable
    {
        // check if tar supports requested compression
        if ($target->shouldBeCompressed()) {
            if (!Executable\Tar::isCompressionValid($target->getCompression()->getCommand())) {
                $this->pathToArchive = $target->getPathnamePlain();
            } else {
                // compression could be handled by the tar command
                $this->pathToArchive = $target->getPathname();
                $this->compression   = $target->getCompression()->getCommand();
            }
        } else {
            // no compression at all
            $this->pathToArchive = $target->getPathname();
        }

        $executable = new Executable\Tar($this->pathToTar);
        $executable->archiveDirectory($this->path)
                   ->useCompression($this->compression)
                   ->ignoreFailedRead($this->ignoreFailedRead)
                   ->removeSourceDirectory($this->removeSourceDir)
                   ->archiveTo($this->pathToArchive);
        return $executable;
    }

    /**
     * Check the source to compress.
     *
     * @throws \phpbu\App\Exception
     */
    private function validatePath()
    {
        if (!is_dir($this->path)) {
            throw new Exception('path to compress has to be a directory');
        }
    }

    /**
     * Create backup status.
     *
     * @param  \phpbu\App\Backup\Target
     * @return \phpbu\App\Backup\Source\Status
     */
    protected function createStatus(Target $target) : Status
    {
        $status = Status::create();
        // if tar doesn't handle the compression mark status uncompressed so the app can take care of compression
        if (!$this->getExecutable($target)->handlesCompression()) {
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.
    }
}
            $status->uncompressedFile($target->getPathnamePlain());
        }
        return $status;
    }
}


1			<?php
2			namespace phpbu\App\Backup\Source;
3
4			use phpbu\App\Backup\Target;
5			use phpbu\App\Cli\Executable;
6			use phpbu\App\Cli\Result as CliResult;
7			use phpbu\App\Exception;
8			use phpbu\App\Result;
9			use phpbu\App\Util;
10
11			/**
12			* Tar source class.
13			*
14			* @package phpbu
15			* @subpackage Backup
16			* @author Sebastian Feldmann <[email protected]>
17			* @copyright Sebastian Feldmann <[email protected]>
18			* @license https://opensource.org/licenses/MIT The MIT License (MIT)
19			* @link http://phpbu.de/
20			* @since Class available since Release 1.0.0
21			*/
22			class Tar extends SimulatorExecutable implements Simulator
23			{
24			/**
25			* Tar Executable
26			*
27			* @var \phpbu\App\Cli\Executable\Tar
28			*/
29			protected $executable;
30
31			/**
32			* Path to executable.
33			*
34			* @var string
35			*/
36			private $pathToTar;
37
38			/**
39			* Path to backup
40			*
41			* @var string
42			*/
43			private $path;
44
45			/**
46			* Tar should ignore failed reads
47			* --ignore-failed-read
48			*
49			* @var boolean
50			*/
51			private $ignoreFailedRead;
52
53			/**
54			* Remove the packed data
55			*
56			* @var boolean
57			*/
58			private $removeSourceDir;
59
60			/**
61			* Compression to use.
62			*
63			* @var string
64			*/
65			private $compression = '';
66
67			/**
68			* Path where to store the archive.
69			*
70			* @var string
71			*/
72			private $pathToArchive;
73
74			/**
75			* Setup.
76			*
77			* @see \phpbu\App\Backup\Source
78			* @param array $conf
79			* @throws \phpbu\App\Exception
80			*/
81	7		public function setup(array $conf = [])
82			{
83	7		$this->pathToTar = Util\Arr::getValue($conf, 'pathToTar', '');
84	7		$this->path = Util\Arr::getValue($conf, 'path', '');
85	7		$this->ignoreFailedRead = Util\Str::toBoolean(Util\Arr::getValue($conf, 'ignoreFailedRead', ''), false);
86	7		$this->removeSourceDir = Util\Str::toBoolean(Util\Arr::getValue($conf, 'removeSourceDir', ''), false);
87
88	7		if (empty($this->path)) {
89	1		throw new Exception('path option is mandatory');
90			}
91	6		}
92
93			/**
94			* Execute the backup.
95			*
96			* @see \phpbu\App\Backup\Source
97			* @param \phpbu\App\Backup\Target $target
98			* @param \phpbu\App\Result $result
99			* @return \phpbu\App\Backup\Source\Status
100			* @throws \phpbu\App\Exception
101			*/
102	3	View Code Duplication	public function backup(Target $target, Result $result) : Status
			0 ignored issues – show Duplication introduced 2016-01-26 22:18 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...
103			{
104			// make sure source path is a directory
105	3		$this->validatePath();
106	3		// set uncompressed default MIME type
107	3		$target->setMimeType('application/x-tar');
108			$tar = $this->execute($target);
109
110	3		$result->debug($tar->getCmdPrintable());
111	1
112	1		if ($this->tarFailed($tar)) {
113			throw new Exception('tar failed: ' . $tar->getStdErr());
114	3		}
115
116	3		return $this->createStatus($target);
117	1		}
118
119			/**
120	2		* Check if tar failed.
121			*
122			* @param \phpbu\App\Cli\Result
123			* @return bool
124			*/
125			public function tarFailed(CliResult $tar) : bool
126			{
127			$ignoreFail = $this->ignoreFailedRead && $tar->getCode() == 1;
			0 ignored issues – show Bug introduced 2017-02-03 21:03 UTC by Report Bug Copy Issue Report The method `getCode()` does not seem to exist on `object<phpbu\App\Cli\Result>`. This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces. This is most likely a typographical error or the method has been renamed. Loading history...
128			return !$tar->isSuccessful() && !$ignoreFail;
129	6		}
130
131	6		/**
132			* Setup the Executable to run the 'tar' command.
133	3		*
134	2		* @param \phpbu\App\Backup\Target
135	1		* @return \phpbu\App\Cli\Executable
136	1		*/
137			protected function createExecutable(Target $target) : Executable
138	1		{
139	1		// check if tar supports requested compression
140			if ($target->shouldBeCompressed()) {
141	2		if (!Executable\Tar::isCompressionValid($target->getCompression()->getCommand())) {
142			$this->pathToArchive = $target->getPathnamePlain();
143	1		} else {
144			// compression could be handled by the tar command
145	3		$this->pathToArchive = $target->getPathname();
146	3		$this->compression = $target->getCompression()->getCommand();
147	3		}
148	3		} else {
149	3		// no compression at all
150	3		$this->pathToArchive = $target->getPathname();
151	6		}
152
153			$executable = new Executable\Tar($this->pathToTar);
154			$executable->archiveDirectory($this->path)
155			->useCompression($this->compression)
156			->ignoreFailedRead($this->ignoreFailedRead)
157			->removeSourceDirectory($this->removeSourceDir)
158			->archiveTo($this->pathToArchive);
159			return $executable;
160			}
161
162			/**
163			* Check the source to compress.
164			*
165			* @throws \phpbu\App\Exception
166			*/
167			private function validatePath()
168			{
169			if (!is_dir($this->path)) {
170			throw new Exception('path to compress has to be a directory');
171			}
172			}
173
174			/**
175			* Create backup status.
176			*
177			* @param \phpbu\App\Backup\Target
178			* @return \phpbu\App\Backup\Source\Status
179			*/
180			protected function createStatus(Target $target) : Status
181			{
182			$status = Status::create();
183			// if tar doesn't handle the compression mark status uncompressed so the app can take care of compression
184			if (!$this->getExecutable($target)->handlesCompression()) {
			0 ignored issues – show Bug introduced 2016-07-24 15:32 UTC by Report Bug Copy Issue Report It seems like you code against a concrete implementation and not the interface `phpbu\App\Cli\Executable` as the method `handlesCompression()` does only exist in the following implementations of said interface: `phpbu\App\Cli\Executable\Tar`. 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...
185			$status->uncompressedFile($target->getPathnamePlain());
186			}
187			return $status;
188			}
189			}
190

sebastianfeldmann / phpbu

Push — master ( 6a1fad...afb84c )

Tar A

Complexity

Size/Duplication

Coupling/Cohesion

Test Coverage

Importance

6 Methods

How to fix Duplicated Code

Duplicated Code

Available Fixes

Duplication Side-by-Side

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