QuadTreeTest::testCollides() - Code Metrics - Inspection of "Scrutinizer" - sixty-nine/php-data-types - Measure and Improve Code Quality continuously with Scrutinizer

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by Dan

created 2017-04-13 11:16 UTC

QuadTreeTest::testCollides() A

↳ Parent: Project

Complexity

Conditions	3
Paths	3

Size

Total Lines	20
Code Lines	13

Duplication

Lines	5
Ratio	25 %

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	5
loc	20
rs	9.4285
cc	3
eloc	13
nc	3
nop	0

<?php

namespace SixtyNine\DataTypes\Tests;

use SixtyNine\DataTypes\Box;
use SixtyNine\DataTypes\QuadTree;

class QuadTreeTest extends \PHPUnit_Framework_TestCase
{
    public function testConstructor()
    {
        $bounds = new Box(0, 0, 800, 600);
        $tree = new QuadTree($bounds);
        $this->assertInstanceOf(QuadTree::class, $tree);
        $this->assertAttributeEquals($bounds, 'bounds', $tree);
        $this->assertAttributeEquals(0, 'level', $tree);
        $this->assertAttributeEquals(null, 'nodes', $tree);
        $this->assertEquals(0, $tree->count());
    }

    public function testSplit()
    {
        $bounds = new Box(0, 0, 800, 600);
        $tree = new QuadTree($bounds);
        $tree->split();

        $nodes = $this->readAttribute($tree, 'nodes');
        $this->assertInternalType('array', $nodes);
        $this->assertCount(4, $nodes);

        foreach ($nodes as $node) {
            $this->assertInstanceOf(QuadTree::class, $node);
            $this->assertAttributeEquals(null, 'nodes', $node);
            $nodeBounds = $this->readAttribute($node, 'bounds');
            $this->assertContains($nodeBounds->getX(), array(0, 400));
            $this->assertContains($nodeBounds->getY(), array(0, 300));
            $this->assertEquals(400, $nodeBounds->getWidth());
            $this->assertEquals(300, $nodeBounds->getHeight());
        }
    }

    /**
     * @dataProvider getIndexProvider
     */
    public function testGetIndex($expectedIndex, $box)
    {
        $bounds = new Box(0, 0, 800, 600);
        $tree = new QuadTree($bounds);

        $this->assertEquals($expectedIndex, $tree->getIndex($box));
    }

    /**
     * @return array
     */
    public function getIndexProvider()
    {
        return array(
            array(-1, new Box(0, 0, 800, 600)),
            array(-1, (new Box(0, 0, 400, 300))->resize(1)),
            array(-1, new Box(300, 200, 200, 200)),
            array(0, new Box(0, 0, 400, 300)),
            array(0, (new Box(0, 0, 400, 300))->resize(-1)),
            array(1, new Box(400, 0, 400, 300)),
            array(1, new Box(750, 100, 50, 50)),
            array(2, new Box(0, 300, 400, 300)),
            array(2, new Box(250, 310, 50, 50)),
            array(3, new Box(400, 300, 400, 300)),
            array(3, new Box(700, 500, 50, 50)),
        );
    }

    public function testInsert()
    {
        $bounds = new Box(0, 0, 800, 600);
        $tree = new QuadTree($bounds);

        for ($i = 0; $i < 10; $i++) {
            $tree->insert(new Box(10, $i * 10, 10, 10));
            $this->assertEquals($i + 1, $tree->count());
        }

        $this->assertAttributeEquals(false, 'isSplit', $tree);

        $tree->insert(new Box(10, 110, 10, 10));

        $this->assertAttributeEquals(true, 'isSplit', $tree);
    }

    public function testRetrieve()
    {
        $bounds = new Box(0, 0, 80, 80);
        $tree = new QuadTree($bounds);

        for ($i = 0; $i < 80; $i += 10) {
            for ($j = 0; $j < 80; $j += 10) {
                $tree->insert(new Box($i, $j, 10, 10));
            }
        }

        $nodes = $tree->retrieve(new Box(5, 5, 10, 10));
        $expectedNodes = array(
            new Box(0, 0, 10, 10),
            new Box(10, 0, 10, 10),
            new Box(0, 10, 10, 10),
            new Box(10, 10, 10, 10),
        );
        $this->assertCount(4, $nodes);

        for ($i = 0; $i < 4; $i++) {
            $this->assertTrue(in_array($nodes[$i], $expectedNodes));
        }
    }

    public function testRetrieve1()
    {
        $count = 1000;
        $bounds = new Box(0, 0, 100, 100);
        $tree = new QuadTree($bounds);
        $this->fillTreeWithRandomBoxes($tree, $count);
        $this->assertEquals($count, count($tree->retrieve($bounds)));
        $this->assertEquals($tree->getAllObjects(), $tree->retrieve($bounds));
    }

    public function testCollides()
    {
        $bounds = new Box(0, 0, 80, 80);
        $tree = new QuadTree($bounds);

        for ($i = 0; $i < 80; $i += 10) {
            for ($j = 0; $j < 80; $j += 10) {
                $tree->insert(new Box($i, $j, 10, 10));
            }
        }

        $this->assertTrue($tree->collides(new Box(0, 0, 10, 10)));
        $this->assertTrue($tree->collides(new Box(5, 5, 10, 10)));
        $this->assertTrue($tree->collides(new Box(25, 25, 10, 10)));
        $this->assertTrue($tree->collides(new Box(50, 50, 10, 10)));
        $this->assertTrue($tree->collides(new Box(0, 0, 10, 10)));
        $this->assertTrue($tree->collides(new Box(70, 0, 10, 10)));

        $this->assertFalse($tree->collides(new Box(1000, 1000, 10, 10)));
    }

    public function testCollides1()
    {
        $bounds = new Box(0, 0, 100, 100);
        $tree = new QuadTree($bounds);
        $tree->insert(new Box(25, 25, 50, 50));

        $this->assertTrue($tree->collides(new Box(0, 0, 50, 50)));
        $this->assertTrue($tree->collides(new Box(25, 25, 10, 10)));
        $this->assertTrue($tree->collides(new Box(50, 50, 10, 10)));

        $this->assertFalse($tree->collides(new Box(0, 0, 10, 10)));
        $this->assertFalse($tree->collides(new Box(80, 80, 10, 10)));
        $this->assertFalse($tree->collides(new Box(1000, 1000, 10, 10)));
    }

    public function testCount()
    {
        $bounds = new Box(0, 0, 10000, 10000);
        $tree = new QuadTree($bounds);
        $this->fillTreeWithRandomBoxes($tree, 1000);
        $this->assertEquals(1000, $tree->count());
    }

    public function testGetAllObjects()
    {
        $bounds = new Box(0, 0, 10000, 10000);
        $tree = new QuadTree($bounds);
        $this->fillTreeWithRandomBoxes($tree, 1000);
        $this->assertCount(1000, $tree->getAllObjects());
    }

    /**
     * @param QuadTree $tree
     * @param int $count
     */
    protected function fillTreeWithRandomBoxes(QuadTree $tree, $count)
    {
        $treeWidth = $tree->getBounds()->getWidth();
        $treeHeight = $tree->getBounds()->getHeight();

        for ($i = 0; $i < $count; $i++) {
            $w = rand(0, 10);
            $h = rand(0, 10);
            $box = new Box(rand(0, $treeWidth - $w), rand(0, $treeHeight - $h), $w, $h);
            $tree->insert($box);
        }
    }
}


1			<?php
2
3			namespace SixtyNine\DataTypes\Tests;
4
5			use SixtyNine\DataTypes\Box;
6			use SixtyNine\DataTypes\QuadTree;
7
8			class QuadTreeTest extends \PHPUnit_Framework_TestCase
9			{
10			public function testConstructor()
11			{
12			$bounds = new Box(0, 0, 800, 600);
13			$tree = new QuadTree($bounds);
14			$this->assertInstanceOf(QuadTree::class, $tree);
15			$this->assertAttributeEquals($bounds, 'bounds', $tree);
16			$this->assertAttributeEquals(0, 'level', $tree);
17			$this->assertAttributeEquals(null, 'nodes', $tree);
18			$this->assertEquals(0, $tree->count());
19			}
20
21			public function testSplit()
22			{
23			$bounds = new Box(0, 0, 800, 600);
24			$tree = new QuadTree($bounds);
25			$tree->split();
26
27			$nodes = $this->readAttribute($tree, 'nodes');
28			$this->assertInternalType('array', $nodes);
29			$this->assertCount(4, $nodes);
30
31			foreach ($nodes as $node) {
32			$this->assertInstanceOf(QuadTree::class, $node);
33			$this->assertAttributeEquals(null, 'nodes', $node);
34			$nodeBounds = $this->readAttribute($node, 'bounds');
35			$this->assertContains($nodeBounds->getX(), array(0, 400));
36			$this->assertContains($nodeBounds->getY(), array(0, 300));
37			$this->assertEquals(400, $nodeBounds->getWidth());
38			$this->assertEquals(300, $nodeBounds->getHeight());
39			}
40			}
41
42			/**
43			* @dataProvider getIndexProvider
44			*/
45			public function testGetIndex($expectedIndex, $box)
46			{
47			$bounds = new Box(0, 0, 800, 600);
48			$tree = new QuadTree($bounds);
49
50			$this->assertEquals($expectedIndex, $tree->getIndex($box));
51			}
52
53			/**
54			* @return array
55			*/
56			public function getIndexProvider()
57			{
58			return array(
59			array(-1, new Box(0, 0, 800, 600)),
60			array(-1, (new Box(0, 0, 400, 300))->resize(1)),
61			array(-1, new Box(300, 200, 200, 200)),
62			array(0, new Box(0, 0, 400, 300)),
63			array(0, (new Box(0, 0, 400, 300))->resize(-1)),
64			array(1, new Box(400, 0, 400, 300)),
65			array(1, new Box(750, 100, 50, 50)),
66			array(2, new Box(0, 300, 400, 300)),
67			array(2, new Box(250, 310, 50, 50)),
68			array(3, new Box(400, 300, 400, 300)),
69			array(3, new Box(700, 500, 50, 50)),
70			);
71			}
72
73			public function testInsert()
74			{
75			$bounds = new Box(0, 0, 800, 600);
76			$tree = new QuadTree($bounds);
77
78			for ($i = 0; $i < 10; $i++) {
79			$tree->insert(new Box(10, $i * 10, 10, 10));
80			$this->assertEquals($i + 1, $tree->count());
81			}
82
83			$this->assertAttributeEquals(false, 'isSplit', $tree);
84
85			$tree->insert(new Box(10, 110, 10, 10));
86
87			$this->assertAttributeEquals(true, 'isSplit', $tree);
88			}
89
90			public function testRetrieve()
91			{
92			$bounds = new Box(0, 0, 80, 80);
93			$tree = new QuadTree($bounds);
94
95			for ($i = 0; $i < 80; $i += 10) {
96			for ($j = 0; $j < 80; $j += 10) {
97			$tree->insert(new Box($i, $j, 10, 10));
98			}
99			}
100
101			$nodes = $tree->retrieve(new Box(5, 5, 10, 10));
102			$expectedNodes = array(
103			new Box(0, 0, 10, 10),
104			new Box(10, 0, 10, 10),
105			new Box(0, 10, 10, 10),
106			new Box(10, 10, 10, 10),
107			);
108			$this->assertCount(4, $nodes);
109
110			for ($i = 0; $i < 4; $i++) {
111			$this->assertTrue(in_array($nodes[$i], $expectedNodes));
112			}
113			}
114
115			public function testRetrieve1()
116			{
117			$count = 1000;
118			$bounds = new Box(0, 0, 100, 100);
119			$tree = new QuadTree($bounds);
120			$this->fillTreeWithRandomBoxes($tree, $count);
121			$this->assertEquals($count, count($tree->retrieve($bounds)));
122			$this->assertEquals($tree->getAllObjects(), $tree->retrieve($bounds));
123			}
124
125			public function testCollides()
126			{
127			$bounds = new Box(0, 0, 80, 80);
128			$tree = new QuadTree($bounds);
129
130			for ($i = 0; $i < 80; $i += 10) {
131			for ($j = 0; $j < 80; $j += 10) {
132			$tree->insert(new Box($i, $j, 10, 10));
133			}
134			}
135
136			$this->assertTrue($tree->collides(new Box(0, 0, 10, 10)));
137			$this->assertTrue($tree->collides(new Box(5, 5, 10, 10)));
138			$this->assertTrue($tree->collides(new Box(25, 25, 10, 10)));
139			$this->assertTrue($tree->collides(new Box(50, 50, 10, 10)));
140			$this->assertTrue($tree->collides(new Box(0, 0, 10, 10)));
141			$this->assertTrue($tree->collides(new Box(70, 0, 10, 10)));
142
143			$this->assertFalse($tree->collides(new Box(1000, 1000, 10, 10)));
144			}
145
146			public function testCollides1()
147			{
148			$bounds = new Box(0, 0, 100, 100);
149			$tree = new QuadTree($bounds);
150			$tree->insert(new Box(25, 25, 50, 50));
151
152			$this->assertTrue($tree->collides(new Box(0, 0, 50, 50)));
153			$this->assertTrue($tree->collides(new Box(25, 25, 10, 10)));
154			$this->assertTrue($tree->collides(new Box(50, 50, 10, 10)));
155
156			$this->assertFalse($tree->collides(new Box(0, 0, 10, 10)));
157			$this->assertFalse($tree->collides(new Box(80, 80, 10, 10)));
158			$this->assertFalse($tree->collides(new Box(1000, 1000, 10, 10)));
159			}
160
161			public function testCount()
162			{
163			$bounds = new Box(0, 0, 10000, 10000);
164			$tree = new QuadTree($bounds);
165			$this->fillTreeWithRandomBoxes($tree, 1000);
166			$this->assertEquals(1000, $tree->count());
167			}
168
169			public function testGetAllObjects()
170			{
171			$bounds = new Box(0, 0, 10000, 10000);
172			$tree = new QuadTree($bounds);
173			$this->fillTreeWithRandomBoxes($tree, 1000);
174			$this->assertCount(1000, $tree->getAllObjects());
175			}
176
177			/**
178			* @param QuadTree $tree
179			* @param int $count
180			*/
181			protected function fillTreeWithRandomBoxes(QuadTree $tree, $count)
182			{
183			$treeWidth = $tree->getBounds()->getWidth();
184			$treeHeight = $tree->getBounds()->getHeight();
185
186			for ($i = 0; $i < $count; $i++) {
187			$w = rand(0, 10);
188			$h = rand(0, 10);
189			$box = new Box(rand(0, $treeWidth - $w), rand(0, $treeHeight - $h), $w, $h);
190			$tree->insert($box);
191			}
192			}
193			}
194

sixty-nine / php-data-types

Push — master ( 5c1190...2f7e26 )

QuadTreeTest::testCollides() A

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