Completed
Push — master ( d060d7...4b3449 )
by Siro Díaz
02:14
created

QueueTest   A

Complexity

Total Complexity 9

Size/Duplication

Total Lines 119
Duplicated Lines 47.9 %

Coupling/Cohesion

Components 1
Dependencies 2

Importance

Changes 0
Metric Value
wmc 9
lcom 1
cbo 2
dl 57
loc 119
c 0
b 0
f 0
rs 10

8 Methods

Rating   Name   Duplication   Size   Complexity  
A testContructMaxSize() 0 4 1
A testEnqueueWithMaxSize() 13 13 1
A testEnqueue() 0 10 1
A testDequeue() 0 14 1
A testSize() 0 14 1
A testEmpty() 12 12 1
A testPeek() 19 19 1
A testIsFull() 13 13 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:

1
<?php
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namespace DataStructures\Tests\Lists;
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use DataStructures\Exceptions\FullException;
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use DataStructures\Lists\Queue;
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use PHPUnit\Framework\TestCase;
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class QueueTest extends TestCase {
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    private $queue;
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    public function testContructMaxSize() {
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        $this->expectException(\InvalidArgumentException::class);
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        $this->queue = new Queue(-1);
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    }
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17 View Code Duplication
    public function testEnqueueWithMaxSize() {
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.

Loading history...
18
        $this->queue = new Queue(5);
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        $this->queue->enqueue(1);
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        $this->assertEquals($this->queue->peek(), 1);
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        $this->queue->enqueue(2);
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        $this->assertEquals($this->queue->peek(), 1);
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        $this->queue->enqueue(3);
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        $this->assertEquals($this->queue->peek(), 1);
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        $this->queue->enqueue(4);
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        $this->queue->enqueue(5);
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        $this->expectException(FullException::class);
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        $this->queue->enqueue(6);
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    }
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    public function testEnqueue() {
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        $this->queue = new Queue();
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        $this->queue->enqueue(1);
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        $this->queue->enqueue(2);
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        $this->queue->enqueue(3);
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        $this->queue->enqueue(4);
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        $this->queue->enqueue(5);
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        $this->assertEquals($this->queue->size(), 5);
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        $this->assertEquals($this->queue->peek(), 1);
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    }
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    public function testDequeue() {
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        $this->queue = new Queue();
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        $this->assertNull($this->queue->dequeue());
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        $this->queue->enqueue(1);
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        $this->queue->enqueue(2);
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        $this->queue->enqueue(3);
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        $this->queue->enqueue(4);
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        $this->queue->enqueue(5);
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        $this->assertEquals($this->queue->dequeue(), 1);
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        $this->assertEquals($this->queue->dequeue(), 2);
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        $this->assertEquals($this->queue->dequeue(), 3);
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        $this->assertEquals($this->queue->dequeue(), 4);
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        $this->assertEquals($this->queue->dequeue(), 5);
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    }
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    public function testSize() {
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        $this->queue = new Queue();
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        $this->assertEquals($this->queue->size(), 0);
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        $this->queue->enqueue(1);
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        $this->assertEquals($this->queue->size(), 1);
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        $this->queue->enqueue(2);
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        $this->assertEquals($this->queue->size(), 2);
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        $this->queue->enqueue(3);
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        $this->assertEquals($this->queue->size(), 3);
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        $this->queue->enqueue(4);
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        $this->assertEquals($this->queue->size(), 4);
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        $this->queue->enqueue(5);
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        $this->assertEquals($this->queue->size(), 5);
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    }
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72 View Code Duplication
    public function testEmpty() {
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.

Loading history...
73
        $this->queue = new Queue();
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        $this->assertTrue($this->queue->empty());
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        $this->queue->enqueue(true);
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        $this->assertFalse($this->queue->empty());
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        $this->queue->enqueue("string");
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        $this->queue->enqueue(3.14);
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        $this->queue->dequeue();
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        $this->queue->dequeue();
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        $this->queue->dequeue();
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        $this->assertTrue($this->queue->empty());
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    }
84
85 View Code Duplication
    public function testPeek() {
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.

Loading history...
86
        $this->queue = new Queue();
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        $this->assertNull($this->queue->peek());
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        $this->queue->enqueue(1000);
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        $this->assertEquals($this->queue->peek(), 1000);
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        $this->queue->enqueue(false);
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        $this->assertEquals($this->queue->peek(), 1000);
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        $this->queue->enqueue(3.14);
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        $this->assertEquals($this->queue->peek(), 1000);
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        $this->queue->enqueue(4);
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        $this->assertEquals($this->queue->dequeue(), 1000);
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        $this->assertEquals($this->queue->peek(), false);
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        $this->assertEquals($this->queue->dequeue(), false);
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        $this->assertEquals($this->queue->peek(), 3.14);
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        $this->assertEquals($this->queue->dequeue(), 3.14);
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        $this->assertEquals($this->queue->peek(), 4);
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        $this->assertEquals($this->queue->dequeue(), 4);
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        $this->assertNull($this->queue->peek());
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    }
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105 View Code Duplication
    public function testIsFull() {
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.

Loading history...
106
        $this->queue = new Queue();
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        $this->assertFalse($this->queue->isFull());
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        $this->queue->enqueue(['hello']);
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        $this->queue->enqueue(false);
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        $this->queue->enqueue(['hello']);
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        $this->queue->enqueue(false);
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        $this->queue->enqueue(['hello']);
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        $this->queue->enqueue(false);
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        $this->queue->enqueue(['hello']);
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        $this->queue->enqueue(false);
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        $this->assertFalse($this->queue->isFull());
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    }
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    public function testIsFullWithMaxSize() {
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        $this->queue = new Queue(2);
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        $this->queue->enqueue(['hello']);
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        $this->queue->enqueue(false);
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        $this->assertTrue($this->queue->isFull());
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        $this->queue->dequeue();
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        $this->assertFalse($this->queue->isFull());
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    }
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}