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<?php |
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namespace itertools; |
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use ArrayIterator; |
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use PHPUnit_Framework_TestCase; |
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8
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9
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class GroupByIteratorTest extends PHPUnit_Framework_TestCase |
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{ |
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/** @test */ |
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public function testSimpleGroupByWithDefaultComparator() |
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{ |
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$input = new GroupByIterator(array(0, 0, 1, 1, 2, 3)); |
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$expectedResult = array( |
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array(0, 0), |
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array(1, 1), |
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array(2), |
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array(3), |
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); |
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$this->assertEquals($expectedResult, IterUtil::recursive_iterator_to_array($input, false)); |
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} |
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/** |
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* @test |
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* @expectedException InvalidArgumentException |
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*/ |
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public function testInvalidInput() |
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{ |
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new GroupByIterator(array(), 'not-a-callable'); |
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} |
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/** @test */ |
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public function testCustomComparator() |
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{ |
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$input = new GroupByIterator(array( |
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(object) array('name' => 'jos', 'age' => 3), |
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(object) array('name' => 'mieke', 'age' => 3), |
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(object) array('name' => 'tom', 'age' => 4), |
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(object) array('name' => 'lotte', 'age' => 5), |
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(object) array('name' => 'jaak', 'age' => 5), |
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), function($v) { return $v->age; }); |
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$inputArray = IterUtil::recursive_iterator_to_array($input, false); |
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$this->assertEquals('jos', $inputArray[0][0]->name); |
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$this->assertEquals('mieke', $inputArray[0][1]->name); |
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$this->assertEquals('tom', $inputArray[1][0]->name); |
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$this->assertEquals('lotte', $inputArray[2][0]->name); |
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$this->assertEquals('jaak', $inputArray[2][1]->name); |
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} |
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/** @test */ |
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public function testSkippingGroups() |
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{ |
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$input = new GroupByIterator(array(0, 0, 1, 1, 2, 3)); |
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foreach($input as $i => $group) { |
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switch($i) { |
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case 1: |
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$this->assertEquals(array(1, 1), iterator_to_array($group, false)); |
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break; |
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case 3: |
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$this->assertEquals(array(3), iterator_to_array($group, false)); |
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break; |
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} |
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} |
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} |
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} |
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SuRaMoN /
itertools
