Merge pull request #104 from syffer/watch-unwatch-supports

Adds watch() and unwatch() support

Author: omansour

README.md

@@ -84,7 +84,7 @@ Redis command                                    | Description
 
 It mocks **MULTI**, **DISCARD** and **EXEC** commands but without any transaction behaviors, they just make the interface fluent and return each command results.
 **PIPELINE** and **EXECUTE** pseudo commands (client pipelining) are also mocked.
-**EVAL** and **EVALSHA** are just stubs—they won't execute anything  
+**EVAL**, **EVALSHA**, **WATCH** and **UNWATCH** are just stubs—they won't execute anything  
 
 ## Usage
 

src/M6Web/Component/RedisMock/RedisMock.php

@@ -2,6 +2,8 @@
 
 namespace M6Web\Component\RedisMock;
 
+use Predis\Response\Status;
+
 /**
  * Redis mock class
  *
@@ -1205,6 +1207,16 @@ public function exec()
         return $pipedInfo;
     }
 
+    public function watch($key)
+    {
+        return new Status('OK');
+    }
+
+    public function unwatch()
+    {
+        return new Status('OK');
+    }
+
     // Client pipeline
 
     public function pipeline()

tests/units/RedisMock.php

@@ -4,6 +4,7 @@
 
 use atoum;
 use M6Web\Component\RedisMock\RedisMock as Redis;
+use Predis\Response\Status;
 
 /**
  * Redis mock test
@@ -1828,6 +1829,28 @@ public function testTransactions()
                 ->isEmpty();
     }
 
+    public function testWatch()
+    {
+        $redisMock = new Redis();
+        $redisMock->set('test', 'something');
+
+        $this->assert
+            ->object($redisMock->watch('test'))
+                ->isInstanceOf(Status::class)
+            ->object($redisMock->watch('unexisting-key'))
+                ->isInstanceOf(Status::class);
+    }
+
+    public function testUnwatch()
+    {
+        $redisMock = new Redis();
+        $redisMock->set('test', 'something');
+
+        $this->assert
+            ->object($redisMock->unwatch())
+            ->isInstanceOf(Status::class);
+    }
+
     public function testDbsize()
     {
         $redisMock = new Redis();