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- <?php
- namespace Predis\Command\Redis;
- class LPOP_Test extends PredisCommandTestCase
- {
-
- protected function getExpectedCommand()
- {
- return 'Predis\Command\Redis\LPOP';
- }
-
- protected function getExpectedId()
- {
- return 'LPOP';
- }
-
- public function testFilterArguments()
- {
- $arguments = array('key');
- $expected = array('key');
- $command = $this->getCommand();
- $command->setArguments($arguments);
- $this->assertSame($expected, $command->getArguments());
- }
-
- public function testParseResponse()
- {
- $this->assertSame('element', $this->getCommand()->parseResponse('element'));
- }
-
- public function testPopsTheFirstElementFromList()
- {
- $redis = $this->getClient();
- $redis->rpush('letters', 'a', 'b', 'c', 'd');
- $this->assertSame('a', $redis->lpop('letters'));
- $this->assertSame('b', $redis->lpop('letters'));
- $this->assertSame(array('c', 'd'), $redis->lrange('letters', 0, -1));
- }
-
- public function testReturnsNullOnEmptyList()
- {
- $redis = $this->getClient();
- $this->assertNull($redis->lpop('letters'));
- }
-
- public function testThrowsExceptionOnWrongType()
- {
- $redis = $this->getClient();
- $redis->set('foo', 'bar');
- $redis->lpop('foo');
- }
- }
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