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<?php |
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namespace itertools; |
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use Exception; |
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use PHPUnit_Framework_TestCase; |
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class AutoTransactionBatchIteratorTest extends PHPUnit_Framework_TestCase |
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{ |
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/** @test */ |
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public function testBasicFunctionality() |
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{ |
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$beginTransactionCount = 0; |
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$commitCount = 0; |
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$pdo = new MockPDO(array( |
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'beginTransaction' => function() use (&$beginTransactionCount) { $beginTransactionCount += 1; }, |
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'commit' => function() use (&$commitCount) { $commitCount += 1; }, |
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)); |
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$iterator = new AutoTransactionBatchIterator(range(0, 4), $pdo, 2); |
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$iterator->rewind(); |
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$this->assertEquals(array(0, 0), array($beginTransactionCount, $commitCount)); |
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$this->assertTrue($iterator->valid()); |
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$this->assertEquals(array(1, 0), array($beginTransactionCount, $commitCount)); |
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// get first element now |
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$iterator->next(); |
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$this->assertTrue($iterator->valid()); |
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$this->assertEquals(array(1, 0), array($beginTransactionCount, $commitCount)); |
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// get second element now |
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$iterator->next(); |
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$this->assertTrue($iterator->valid()); |
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$this->assertEquals(array(2, 1), array($beginTransactionCount, $commitCount)); |
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// get third element now |
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$iterator->next(); |
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$this->assertTrue($iterator->valid()); |
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$this->assertEquals(array(2, 1), array($beginTransactionCount, $commitCount)); |
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// get forth element now |
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$iterator->next(); |
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$this->assertTrue($iterator->valid()); |
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$this->assertEquals(array(3, 2), array($beginTransactionCount, $commitCount)); |
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// get fith element now |
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$iterator->next(); |
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$this->assertFalse($iterator->valid()); |
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$this->assertEquals(array(3, 3), array($beginTransactionCount, $commitCount)); |
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// end of iteration |
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} |
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/** @test */ |
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public function testEmptyIterator() |
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{ |
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$beginTransactionCount = 0; |
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$commitCount = 0; |
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$pdo = new MockPDO(array( |
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'beginTransaction' => function() use (&$beginTransactionCount) { $beginTransactionCount += 1; }, |
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'commit' => function() use (&$commitCount) { $commitCount += 1; }, |
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)); |
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$iterator = new AutoTransactionBatchIterator(array(), $pdo, 2); |
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foreach($iterator as $i) { |
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} |
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$this->assertEquals(array(0, 0), array($beginTransactionCount, $commitCount)); |
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} |
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/** @test */ |
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public function testForeach() |
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{ |
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$beginTransactionCount = 0; |
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$commitCount = 0; |
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$pdo = new MockPDO(array( |
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'beginTransaction' => function() use (&$beginTransactionCount) { $beginTransactionCount += 1; }, |
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'commit' => function() use (&$commitCount) { $commitCount += 1; }, |
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)); |
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$iterator = new AutoTransactionBatchIterator(range(0, 4), $pdo, 2); |
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foreach($iterator as $i => $element) { |
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switch($i) { |
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case 0: |
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$this->assertEquals(array(1, 0), array($beginTransactionCount, $commitCount)); break; |
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case 1: |
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$this->assertEquals(array(1, 0), array($beginTransactionCount, $commitCount)); break; |
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case 2: |
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$this->assertEquals(array(2, 1), array($beginTransactionCount, $commitCount)); break; |
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case 3: |
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$this->assertEquals(array(2, 1), array($beginTransactionCount, $commitCount)); break; |
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case 4: |
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$this->assertEquals(array(3, 2), array($beginTransactionCount, $commitCount)); break; |
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} |
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} |
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$this->assertEquals(array(3, 3), array($beginTransactionCount, $commitCount)); |
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} |
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/** @test */ |
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public function testExceptionInForeach() |
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{ |
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$beginTransactionCount = 0; |
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$commitCount = 0; |
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$rollBackCount = 0; |
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$pdo = new MockPDO(array( |
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'beginTransaction' => function() use (&$beginTransactionCount) { $beginTransactionCount += 1; }, |
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'commit' => function() use (&$commitCount) { $commitCount += 1; }, |
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'rollBack' => function() use (&$rollBackCount) { $rollBackCount += 1; }, |
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)); |
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try { |
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foreach(new AutoTransactionBatchIterator(range(0, 4), $pdo) as $i) { |
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throw new Exception(); |
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} |
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} catch (Exception $e) { |
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} |
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$this->assertEquals(1, $rollBackCount); |
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$this->assertEquals($commitCount + $rollBackCount, $beginTransactionCount); |
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} |
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} |
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SuRaMoN /
itertools
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