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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_flatten; |
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/** |
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* @covers \Jasny\iterable_flatten |
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*/ |
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class IterableFlattenTest extends TestCase |
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{ |
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use ProvideIterablesTrait; |
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use LazyExecutionIteratorTrait; |
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public function test() |
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{ |
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$values = [ |
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['one', 'two'], |
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['three', 'four', 'five'], |
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[], |
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'six', |
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['seven'] |
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]; |
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$iterator = iterable_flatten($values); |
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$result = iterator_to_array($iterator); |
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$expected = ['one', 'two', 'three', 'four', 'five', 'six', 'seven']; |
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$this->assertEquals($expected, $result); |
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} |
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public function testKeys() |
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{ |
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$values = [ |
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['one' => 'uno', 'two' => 'dos'], |
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['three' => 'tres', 'four' => 'cuatro', 'five' => 'cinco'], |
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[], |
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'six' => 'seis', |
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['seven' => 'sept'] |
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]; |
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$iterator = iterable_flatten($values, true); |
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$result = iterator_to_array($iterator); |
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$expected = ['one' => 'uno', 'two' => 'dos', 'three' => 'tres', 'four' => 'cuatro', 'five' => 'cinco', |
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'six' => 'seis', 'seven' => 'sept']; |
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$this->assertEquals($expected, $result); |
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} |
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public function testNoKeys() |
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{ |
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$values = [ |
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['one' => 'uno', 'two' => 'dos'], |
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['three' => 'tres', 'four' => 'cuatro', 'five' => 'cinco'], |
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[], |
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'six' => 'seis', |
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['seven' => 'sept'] |
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]; |
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$iterator = iterable_flatten($values, false); |
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$result = iterator_to_array($iterator); |
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$expected = ['uno', 'dos', 'tres', 'cuatro', 'cinco', 'seis', 'sept']; |
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$this->assertEquals($expected, $result); |
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} |
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public function iteratorsProvider() |
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{ |
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$values = [ |
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new \ArrayIterator(['one', 'two']), |
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new \ArrayObject(['three', 'four', 'five']), |
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new \EmptyIterator(), |
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'six', |
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['seven'] |
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]; |
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return $this->provideIterables($values, true); |
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} |
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/** |
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* @dataProvider iteratorsProvider |
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*/ |
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public function testIterators($values) |
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{ |
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$iterator = iterable_flatten($values); |
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$result = iterator_to_array($iterator); |
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$expected = ['one', 'two', 'three', 'four', 'five', 'six', 'seven']; |
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$this->assertEquals($expected, $result); |
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} |
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public function testNonScalarKeys() |
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{ |
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$generator = 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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$values = $generator( |
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[0, 1, null, (object)[]], |
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[ |
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$generator(['d', 2.4], ['one', 'two']), |
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['d' => 'three'], |
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'four', |
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'five' |
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] |
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); |
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$iterator = iterable_flatten($values, 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->assertEquals(['d', 2.4, 'd', null, (object)[]], $resultKeys); |
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$this->assertEquals(['one', 'two', 'three', 'four', 'five'], $resultValues); |
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} |
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public function testEmpty() |
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{ |
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$iterator = iterable_flatten(new \EmptyIterator()); |
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$result = iterator_to_array($iterator); |
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$this->assertEquals([], $result); |
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} |
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/** |
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* Test that nothing happens when not iterating |
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*/ |
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public function testLazyExecution() |
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{ |
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$iterator = $this->createLazyExecutionIterator(); |
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iterable_flatten($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
