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<?php |
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/** |
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* Box packing (3D bin packing, knapsack problem). |
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* |
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* @author Doug Wright |
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*/ |
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namespace DVDoug\BoxPacker; |
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use DVDoug\BoxPacker\Test\TestBox; |
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use DVDoug\BoxPacker\Test\TestItem; |
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use PHPUnit\Framework\TestCase; |
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/** |
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* @covers \DVDoug\BoxPacker\PackedBoxList |
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*/ |
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class PackedBoxListTest extends TestCase |
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{ |
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/** |
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* Test that inserting individually correctly works. |
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*/ |
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public function testInsertAndCount() |
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{ |
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$box = new TestBox('Box', 10, 10, 10, 0, 10, 10, 10, 100); |
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$itemA = new TestItem('Item A', 5, 10, 10, 10, true); |
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$itemB = new TestItem('Item B', 5, 10, 10, 20, true); |
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$packedItemListA = new ItemList(); |
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$packedItemListA->insert($itemA); |
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$packedBoxA = new PackedBox($box, $packedItemListA, 0, 0, 0,0 ,0, 0, 0); |
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$packedItemListB = new ItemList(); |
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$packedItemListB->insert($itemB); |
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$packedBoxB = new PackedBox($box, $packedItemListB, 0, 0, 0,0 ,0, 0, 0); |
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$packedBoxList = new PackedBoxList(); |
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$packedBoxList->insert($packedBoxA); |
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$packedBoxList->insert($packedBoxB); |
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self::assertEquals(2, $packedBoxList->count()); |
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} |
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/** |
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* Test that inserting in bulk correctly works. |
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*/ |
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public function testInsertFromArrayAndCount() |
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{ |
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$box = new TestBox('Box', 10, 10, 10, 0, 10, 10, 10, 100); |
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$itemA = new TestItem('Item A', 5, 10, 10, 10, true); |
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$itemB = new TestItem('Item B', 5, 10, 10, 20, true); |
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$packedItemListA = new ItemList(); |
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$packedItemListA->insert($itemA); |
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$packedBoxA = new PackedBox($box, $packedItemListA, 0, 0, 0,0 ,0, 0, 0); |
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$packedItemListB = new ItemList(); |
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$packedItemListB->insert($itemB); |
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$packedBoxB = new PackedBox($box, $packedItemListB, 0, 0, 0,0 ,0, 0, 0); |
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$packedBoxList = new PackedBoxList(); |
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$packedBoxList->insertFromArray([$packedBoxA, $packedBoxB]); |
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self::assertEquals(2, $packedBoxList->count()); |
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} |
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/** |
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* Test we can peek at the "top" (next) item in the list. |
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*/ |
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public function testTop() |
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{ |
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$box = new TestBox('Box', 10, 10, 10, 0, 10, 10, 10, 100); |
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$itemA = new TestItem('Item A', 5, 10, 10, 10, true); |
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$itemB = new TestItem('Item B', 5, 10, 10, 20, true); |
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$packedItemListA = new ItemList(); |
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$packedItemListA->insert($itemA); |
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$packedBoxA = new PackedBox($box, $packedItemListA, 0, 0, 0,0 ,0, 0, 0); |
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$packedItemListB = new ItemList(); |
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$packedItemListB->insert($itemB); |
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$packedBoxB = new PackedBox($box, $packedItemListB, 0, 0, 0,0 ,0, 0, 0); |
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$packedBoxList = new PackedBoxList(); |
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$packedBoxList->insert($packedBoxA); |
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$packedBoxList->insert($packedBoxB); |
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self::assertEquals($packedBoxB, $packedBoxList->top()); |
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} |
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/** |
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* Test that volume utilisation is correctly calculated. |
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*/ |
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public function testVolumeUtilisation() |
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{ |
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$box = new TestBox('Box', 10, 10, 10, 0, 10, 10, 10, 10); |
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$item = new TestItem('Item', 5, 10, 10, 10, true); |
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$packedItemList = new ItemList(); |
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$packedItemList->insert($item); |
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$packedBox = new PackedBox($box, $packedItemList, 0, 0, 0,0 ,0, 0, 0); |
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$packedBoxList = new PackedBoxList(); |
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$packedBoxList->insert($packedBox); |
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self::assertEquals(50, $packedBoxList->getVolumeUtilisation()); |
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} |
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/** |
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* Test that weight variance is correctly calculated. |
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*/ |
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public function testWeightVariance() |
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{ |
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$box = new TestBox('Box', 10, 10, 10, 0, 10, 10, 10, 100); |
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$itemA = new TestItem('Item A', 5, 10, 10, 10, true); |
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$itemB = new TestItem('Item B', 5, 10, 10, 20, true); |
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$packedItemListA = new ItemList(); |
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$packedItemListA->insert($itemA); |
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$packedBoxA = new PackedBox($box, $packedItemListA, 0, 0, 0,0 ,0, 0, 0); |
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$packedItemListB = new ItemList(); |
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$packedItemListB->insert($itemB); |
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$packedBoxB = new PackedBox($box, $packedItemListB, 0, 0, 0,0 ,0, 0, 0); |
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$packedBoxList = new PackedBoxList(); |
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$packedBoxList->insert($packedBoxA); |
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$packedBoxList->insert($packedBoxB); |
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self::assertEquals(25, $packedBoxList->getWeightVariance()); |
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} |
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/** |
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* Test that mean weight is correctly calculated. |
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*/ |
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public function testMeanWeight() |
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{ |
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$box = new TestBox('Box', 10, 10, 10, 0, 10, 10, 10, 100); |
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$itemA = new TestItem('Item A', 5, 10, 10, 10, true); |
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$itemB = new TestItem('Item B', 5, 10, 10, 20, true); |
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$packedItemListA = new ItemList(); |
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$packedItemListA->insert($itemA); |
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$packedBoxA = new PackedBox($box, $packedItemListA, 0, 0, 0,0 ,0, 0, 0); |
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$packedItemListB = new ItemList(); |
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$packedItemListB->insert($itemB); |
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$packedBoxB = new PackedBox($box, $packedItemListB, 0, 0, 0,0 ,0, 0, 0); |
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$packedBoxList = new PackedBoxList(); |
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$packedBoxList->insert($packedBoxA); |
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$packedBoxList->insert($packedBoxB); |
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self::assertEquals(15, $packedBoxList->getMeanWeight()); |
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} |
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} |
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dvdoug /
BoxPacker
