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<?php |
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namespace Jasny\Tests; |
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use PHPUnit\Framework\TestCase; |
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use function Jasny\iterable_sort; |
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/** |
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* @covers \Jasny\iterable_sort |
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*/ |
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class IterableSortTest extends TestCase |
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{ |
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use ProvideIterablesTrait; |
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use LazyExecutionIteratorTrait; |
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protected $sorted = [ |
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"Alpha", |
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"Bravo", |
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"Charlie", |
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"Delta", |
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"Echo", |
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"Foxtrot", |
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"Golf", |
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"Hotel", |
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"India", |
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"Juliet", |
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"Kilo", |
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"Lima", |
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"Mike", |
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"November", |
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"Oscar", |
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"Papa", |
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"Quebec", |
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"Romeo", |
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"Sierra", |
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"Tango", |
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"Uniform", |
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"Victor", |
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"Whiskey", |
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"X-ray", |
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"Yankee", |
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"Zulu" |
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]; |
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public function provider() |
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{ |
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$values = $this->sorted; |
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shuffle($values); |
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return $this->provideIterables($values); |
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} |
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/** |
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* @dataProvider provider |
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*/ |
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public function test($values) |
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{ |
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$iterator = iterable_sort($values); |
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$result = iterator_to_array($iterator); |
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$this->assertSame($this->sorted, $result); |
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} |
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public function testSortFlags() |
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{ |
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$values = [ |
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'img1.png', |
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'img10.png', |
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'img12.png', |
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'img2.png' |
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]; |
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$iterator = iterable_sort($values, \SORT_NATURAL); |
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$result = iterator_to_array($iterator); |
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$expected = [ |
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'img1.png', |
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'img2.png', |
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'img10.png', |
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'img12.png' |
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]; |
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$this->assertSame($expected, $result); |
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} |
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public function testPreserveKeys() |
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{ |
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$values = [ |
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'one' => 'India', |
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'two' => 'Zulu', |
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'three' => 'Papa', |
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'four' => 'Bravo' |
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]; |
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$iterator = iterable_sort($values, \SORT_REGULAR, true); |
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$result = iterator_to_array($iterator); |
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$expected = [ |
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'four' => 'Bravo', |
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'one' => 'India', |
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'three' => 'Papa', |
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'two' => 'Zulu' |
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]; |
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$this->assertSame($expected, $result); |
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} |
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public function testGenerator() |
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{ |
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$keys = [(object)['a' => 'a'], ['b' => 'b'], null, 'd', 'd']; |
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$values = [['n' => 'India'], ['n' => 'Zulu'], ['n' => 'Papa'], ['n' => 'Bravo'], ['n' => 'Foxtrot']]; |
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$loop = function($keys, $values) { |
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foreach ($keys as $i => $key) { |
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yield $key => $values[$i]; |
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} |
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}; |
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$generator = $loop($keys, $values); |
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$iterator = iterable_sort($generator, function ($a, $b) { |
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return $a['n'] <=> $b['n']; |
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}, true); |
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$resultKeys = []; |
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$resultValues = []; |
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foreach ($iterator as $key => $value) { |
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$resultKeys[] = $key; |
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$resultValues[] = $value; |
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} |
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$this->assertSame([$values[3], $values[4], $values[0], $values[2], $values[1]], $resultValues); |
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$this->assertSame([$keys[3], $keys[4], $keys[0], $keys[2], $keys[1]], $resultKeys); |
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} |
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public function testCallback() |
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{ |
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$compare = function($a, $b) { |
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return (strlen($a) <=> strlen($b)) ?: $a <=> $b; |
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}; |
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$iterator = iterable_sort($this->sorted, $compare); |
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$result = iterator_to_array($iterator); |
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$expected = $this->sorted; |
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usort($expected, $compare); |
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$this->assertSame($expected, $result); |
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} |
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public function testCallbackPreserveKeys() |
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{ |
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$values = [ |
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'one' => 'India', |
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'two' => 'Zulu', |
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'three' => 'Papa', |
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'four' => 'Bravo' |
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]; |
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$compare = function($a, $b) { |
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return (strlen($a) <=> strlen($b)) ?: $a <=> $b; |
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}; |
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$iterator = iterable_sort($values, $compare, true); |
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$result = iterator_to_array($iterator); |
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$expected = [ |
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'three' => 'Papa', |
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'two' => 'Zulu', |
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'four' => 'Bravo', |
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'one' => 'India' |
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]; |
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$this->assertSame($expected, $result); |
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} |
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public function testEmpty() |
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{ |
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$iterator = iterable_sort(new \EmptyIterator()); |
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$result = iterator_to_array($iterator); |
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$this->assertSame([], $result); |
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} |
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/** |
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* Test that nothing happens when not iterating |
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*/ |
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public function testLazyExecution() |
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{ |
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$iterator = $this->createLazyExecutionIterator(); |
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iterable_sort($iterator); |
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$this->assertTrue(true, "No warning"); |
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} |
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} |
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jasny /
improved-php-iterable
