ilBuddySystemRelationCollectionTest.php

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<?php
/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilBuddySystemRelationCollectionTest extends PHPUnit_Framework_TestCase
{
        protected $backupGlobals = false;

        public function setUp()
        {
        }

        public function testElementsCanBeInitiallyAdded($elements)
        {
                $collection = new ilBuddySystemRelationCollection($elements);

                $this->assertFalse($collection->isEmpty());
                $this->assertSame($elements, $collection->toArray());
                $this->assertSame(array_values($elements), $collection->getValues());
                $this->assertSame(array_keys($elements), $collection->getKeys());

                foreach($elements as $key => $elm)
                {
                        $this->assertArrayHasKey($collection->getKey($elm), $elements);
                        $this->assertTrue(isset($collection[$key]));
                        $this->assertEquals($collection[$key], $elm);
                }
        }

        public function testElementsCanBeAddedAndRemoved($elements)
        {
                $collection = new ilBuddySystemRelationCollection();
                $this->assertTrue($collection->isEmpty());

                foreach($elements as $elm)
                {
                        $collection->add($elm);
                        $this->assertTrue($collection->contains($elm));
                }

                foreach($elements as $elm)
                {
                        $collection->removeElement($elm);
                        $this->assertFalse($collection->contains($elm));
                }

                $this->assertTrue($collection->isEmpty());

                foreach($elements as $elm)
                {
                        $collection->add($elm);
                        $this->assertTrue($collection->contains($elm));
                }

                foreach($elements as $elm)
                {
                        $key = $collection->getKey($elm);
                        $collection->remove($key);
                        $this->assertFalse($collection->contains($elm));
                }

                $this->assertTrue($collection->isEmpty());

                foreach($elements as $key => $elm)
                {
                        $collection[$key] = $elm;
                        $this->assertTrue($collection->contains($elm));
                }

                foreach($elements as $key => $elm)
                {
                        unset($collection[$key]);
                        $this->assertFalse($collection->contains($elm));
                }

                $this->assertTrue($collection->isEmpty());

                $collection[] = 5;

                $data = $collection->toArray();
                $this->assertSame(5, reset($data));
        }

        public function testIterator($elements)
        {
                $collection = new ilBuddySystemRelationCollection($elements);
                $iterations = 0;
                foreach($collection->getIterator() as $key => $item)
                {
                        $this->assertSame($elements[$key], $item, "Item {$key} not match");
                        $iterations++;
                }
                $this->assertCount($iterations, $elements, "Number of iterations not match");
        }

        public function testRemovingAnNonExistingElementRaisesAnException()
        {
                $collection = new ilBuddySystemRelationCollection();
                $collection->removeElement(5);
        }

        public function testRemovingAnNonExistingElementByKeyRaisesAnException()
        {
                $collection = new ilBuddySystemRelationCollection();
                $collection->remove("phpunit");
        }

        public function testElementsCanBeSliced()
        {
                $collection = new ilBuddySystemRelationCollection();
                $collection->add(1);
                $collection->add(2);
                $collection->add(3);
                $collection->add(4);

                $this->assertCount(2, $collection->filter(function($elm) {
                        return $elm % 2 === 0;
                })->toArray());
        }

        public function testElementsCanBeFiltered()
        {
                $collection = new ilBuddySystemRelationCollection();
                $collection->add(1);
                $collection->add(2);
                $collection->add(3);
                $collection->add(4);

                $this->assertSame(array(3), $collection->slice(2, 1)->getValues());
        }

        public function provideElements()
        {
                $relation_1 = $this->getMockBuilder('ilBuddySystemRelation')->disableOriginalConstructor()->getMock();
                $relation_2 = $this->getMockBuilder('ilBuddySystemRelation')->disableOriginalConstructor()->getMock();
                $relation_3 = $this->getMockBuilder('ilBuddySystemRelation')->disableOriginalConstructor()->getMock();
                $relation_4 = $this->getMockBuilder('ilBuddySystemRelation')->disableOriginalConstructor()->getMock();
                $relation_5 = $this->getMockBuilder('ilBuddySystemRelation')->disableOriginalConstructor()->getMock();

                return array(
                        'indexed'     => array(array(0, 1, 2, 3, 4, 5)),
                        'associative' => array(array('A' => 'a', 'B' => 'b', 'C' => 'c')),
                        'mixed'       => array(array(0, 'A' => 'a', 1, 'B' => 'b', 2, 3)),
                        'relations'   => array(array($relation_1, $relation_2, $relation_3, $relation_4, $relation_5))
                );
        }
}