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<?php |
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/** |
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* This file is part of the Cubiche package. |
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* |
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* Copyright (c) Cubiche |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cubiche\Core\Collections\Tests\Units; |
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use Cubiche\Core\Collections\LazyCollection\LazyCollection; |
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use Cubiche\Core\Comparable\Comparator; |
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/** |
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* DataSourceCollectionTestCase trait. |
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* |
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* @author Ivannis Suárez Jerez <[email protected]> |
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* @author Karel Osorio Ramírez <[email protected]> |
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*/ |
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trait DataSourceCollectionTestCase |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function randomValue() |
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{ |
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return \rand(0, 100); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function uniqueValue() |
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{ |
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return 1000; |
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} |
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/* |
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* Test create. |
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*/ |
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public function testCreate() |
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{ |
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$this |
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->given($collection = $this->randomCollection()) |
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->then() |
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->collection($collection) |
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->isInstanceOf(LazyCollection::class) |
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; |
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} |
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/* |
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* Test count. |
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*/ |
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public function testCount() |
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{ |
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parent::testCount(); |
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$this |
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->given($collection = $this->randomCollection()) |
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->when($collection->clear()) |
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->then() |
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->integer($collection->count()) |
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->isEqualTo(0) |
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; |
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} |
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/* |
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* Test getIterator. |
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*/ |
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public function testGetIterator() |
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{ |
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parent::testGetIterator(); |
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$this |
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->given($collection = $this->randomCollection()) |
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->when($collection->clear()) |
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->then() |
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->object($collection->getIterator()) |
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->isInstanceOf(\Traversable::class) |
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; |
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} |
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/* |
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* Test slice. |
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*/ |
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public function testSlice() |
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{ |
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parent::testSlice(); |
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$this |
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->given($collection = $this->randomCollection()) |
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->when($collection->clear()) |
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->and($slicedCollection = $collection->slice(0, 10)) |
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->then() |
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->collection($slicedCollection) |
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->isEmpty() |
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; |
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} |
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/* |
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* Test sorted. |
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*/ |
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public function testSorted() |
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{ |
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parent::testSorted(); |
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$this |
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->given( |
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$comparator = new Comparator(), |
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$collection = $this->randomCollection() |
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) |
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->when($collection->clear()) |
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->and($sortedCollection = $collection->sorted($comparator)) |
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->then |
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->collection($sortedCollection) |
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->isSorted() |
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; |
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} |
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} |
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This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idable
provides a methodequalsId
that in turn relies on the methodgetId()
. If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()
as an abstract method to the trait will make sure it is available.