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Scripting abstraction can use negatives to calculate number of keys.

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With a negative number Predis will count from the end of the arguments list
to calculate the actual number of keys that will be interpreted as elements
for `KEYS` by the underlying `EVAL` command.
This commit is contained in:
Daniele Alessandri
2012-04-25 11:11:30 +02:00
parent f4c58b926b
commit 5af2b628f1
4 changed files with 99 additions and 12 deletions
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tests/Predis/Commands/ScriptedCommandTest.php
+60
View File
@@ -39,6 +39,25 @@ class ScriptedCommandTest extends StandardTestCase
$this->assertSame(array_merge(array(self::LUA_SCRIPT, 2), $arguments), $command->getArguments());
}
/**
* @group disconnected
*/
public function testGetArgumentsWithNegativeKeysCount()
{
$arguments = array('key1', 'key2', 'value1', 'value2');
$command = $this->getMock('Predis\Commands\ScriptedCommand', array('getScript', 'getKeysCount'));
$command->expects($this->once())
->method('getScript')
->will($this->returnValue(self::LUA_SCRIPT));
$command->expects($this->once())
->method('getKeysCount')
->will($this->returnValue(-2));
$command->setArguments($arguments);
$this->assertSame(array_merge(array(self::LUA_SCRIPT, 2), $arguments), $command->getArguments());
}
/**
* @group disconnected
*/
@@ -58,6 +77,25 @@ class ScriptedCommandTest extends StandardTestCase
$this->assertSame(array('key1', 'key2'), $command->getKeys());
}
/**
* @group disconnected
*/
public function testGetKeysWithNegativeKeysCount()
{
$arguments = array('key1', 'key2', 'value1', 'value2');
$command = $this->getMock('Predis\Commands\ScriptedCommand', array('getScript', 'getKeysCount'));
$command->expects($this->once())
->method('getScript')
->will($this->returnValue(self::LUA_SCRIPT));
$command->expects($this->exactly(2))
->method('getKeysCount')
->will($this->returnValue(-2));
$command->setArguments($arguments);
$this->assertSame(array('key1', 'key2'), $command->getKeys());
}
/**
* @group disconnected
*/
@@ -80,6 +118,28 @@ class ScriptedCommandTest extends StandardTestCase
$this->assertSame($expected, $command->getKeys());
}
/**
* @group disconnected
*/
public function testPrefixKeysWithNegativeKeysCount()
{
$arguments = array('foo', 'hoge', 'bar', 'piyo');
$expected = array('prefix:foo', 'prefix:hoge');
$command = $this->getMock('Predis\Commands\ScriptedCommand', array('getScript', 'getKeysCount'));
$command->expects($this->once())
->method('getScript')
->will($this->returnValue(self::LUA_SCRIPT));
$command->expects($this->exactly(2))
->method('getKeysCount')
->will($this->returnValue(-2));
$command->setArguments($arguments);
$command->prefixKeys('prefix:');
$this->assertSame($expected, $command->getKeys());
}
/**
* @group disconnected
*/