UtilTest   A
last analyzed

Complexity

Total Complexity 12

Size/Duplication

Total Lines 106
Duplicated Lines 26.42 %

Coupling/Cohesion

Components 2
Dependencies 2

Importance

Changes 1
Bugs 0 Features 1
Metric Value
wmc 12
lcom 2
cbo 2
dl 28
loc 106
rs 10
c 1
b 0
f 1

11 Methods

Rating   Name   Duplication   Size   Complexity  
A testIsIPAddress() 0 12 1
A testIPLessThan() 7 7 1
A testIPGreaterThan() 7 7 1
A testIPAfter() 7 7 1
A testIPBefore() 7 7 1
A testFindSmallestCidr() 0 6 1
A testIPRangeSize() 0 7 1
A testSortIPAddresses() 0 16 2
A testSubnetRangeSize() 0 6 1
A testCidrToIPsArray() 0 13 1
A testGetSingleSubnet() 0 5 1

How to fix   Duplicated Code   

Duplicated Code

Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.

Common duplication problems, and corresponding solutions are:

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<?php
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namespace AndrewAndante\SubMuncher\Test;
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use AndrewAndante\SubMuncher\Util;
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class UtilTest extends \PHPUnit_Framework_TestCase
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{
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    public function testIsIPAddress()
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    {
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        $this->assertTrue(Util::is_ipaddr('10.10.10.10'));
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        $this->assertTrue(Util::is_ipaddr('255.255.255.255'));
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        $this->assertTrue(Util::is_ipaddr('0.0.0.0'));
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        $this->assertFalse(Util::is_ipaddr(10));
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        $this->assertFalse(Util::is_ipaddr('10.100.1000.100000'));
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        $this->assertFalse(Util::is_ipaddr('10.10.10'));
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        $this->assertFalse(Util::is_ipaddr('IP ADDRESS'));
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        $this->assertFalse(Util::is_ipaddr(['10.10.10.10']));
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    }
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22 View Code Duplication
    public function testIPLessThan()
0 ignored issues
show
Duplication introduced by
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.

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    {
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        $this->assertTrue(Util::ip_less_than('10.10.10.0', '10.10.10.1'));
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        $this->assertTrue(Util::ip_less_than('10.10.10.0', '10.10.20.0'));
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        $this->assertTrue(Util::ip_less_than('10.10.10.10', '10.10.20.0'));
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        $this->assertFalse(Util::ip_less_than('10.10.10.2', '10.10.10.1'));
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    }
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30 View Code Duplication
    public function testIPGreaterThan()
0 ignored issues
show
Duplication introduced by
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.

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    {
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        $this->assertFalse(Util::ip_greater_than('10.10.10.0', '10.10.10.1'));
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        $this->assertTrue(Util::ip_greater_than('10.10.10.2', '10.10.10.1'));
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        $this->assertTrue(Util::ip_greater_than('10.10.20.0', '10.10.10.0'));
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        $this->assertTrue(Util::ip_greater_than('10.10.20.0', '10.10.10.20'));
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    }
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38 View Code Duplication
    public function testIPAfter()
0 ignored issues
show
Duplication introduced by
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.

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    {
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        $this->assertEquals('10.10.10.1', Util::ip_after('10.10.10.0'));
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        $this->assertEquals('10.10.10.2', Util::ip_after('10.10.10.0', 2));
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        $this->assertEquals('10.10.11.0', Util::ip_after('10.10.10.255'));
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        $this->assertEquals('10.10.11.1', Util::ip_after('10.10.10.255', 2));
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    }
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46 View Code Duplication
    public function testIPBefore()
0 ignored issues
show
Duplication introduced by
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.

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    {
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        $this->assertEquals('10.10.10.0', Util::ip_before('10.10.10.1'));
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        $this->assertEquals('10.10.10.0', Util::ip_before('10.10.10.2', 2));
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        $this->assertEquals('10.10.9.255', Util::ip_before('10.10.10.0'));
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        $this->assertEquals('10.10.9.255', Util::ip_before('10.10.10.1', 2));
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    }
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    public function testFindSmallestCidr()
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    {
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        $this->assertEquals(31, Util::find_smallest_cidr(2));
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        $this->assertEquals(24, Util::find_smallest_cidr(248));
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        $this->assertEquals(23, Util::find_smallest_cidr(259));
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    }
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    public function testIPRangeSize()
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    {
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        $this->assertEquals(2, Util::ip_range_size('10.10.10.0', '10.10.10.1'));
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        $this->assertEquals(16, Util::ip_range_size('10.10.10.0', '10.10.10.15'));
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        $this->assertEquals(3, Util::ip_range_size('127.255.255.255', '128.0.0.1'));
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        $this->assertEquals(512, Util::ip_range_size('10.10.10.0', '10.10.11.255'));
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    }
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    public function testSortIPAddresses()
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    {
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        $orderedIPs = $shuffledIPs = [
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            '10.10.0.0',
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            '10.10.10.0',
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            '10.10.10.1',
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            '10.255.255.0',
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            '255.255.255.0',
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        ];
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        while ($orderedIPs === $shuffledIPs) {
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            shuffle($shuffledIPs);
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        }
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        $this->assertEquals($orderedIPs, Util::sort_addresses($shuffledIPs));
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    }
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    public function testSubnetRangeSize()
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    {
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        $this->assertEquals(1, Util::subnet_range_size(32));
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        $this->assertEquals(2, Util::subnet_range_size(31));
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        $this->assertEquals(256, Util::subnet_range_size(24));
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    }
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    public function testCidrToIPsArray()
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    {
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        $this->assertEquals(
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            [
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                '10.10.10.0',
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                '10.10.10.1',
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                '10.10.10.2',
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                '10.10.10.3',
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            ],
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            Util::cidr_to_ips_array('10.10.10.0/30')
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        );
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        $this->assertEquals(['10.10.10.0'], Util::cidr_to_ips_array('10.10.10.0'));
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    }
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    public function testGetSingleSubnet()
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    {
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        $this->assertEquals('10.10.10.0/30', Util::get_single_subnet('10.10.10.0', '10.10.10.3'));
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        $this->assertEquals('0.0.0.0/1', Util::get_single_subnet('10.10.10.0', '100.100.100.30'));
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    }
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}
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