diff options
Diffstat (limited to 'vendor/github.com/garyburd/redigo/redis/script_test.go')
-rw-r--r-- | vendor/github.com/garyburd/redigo/redis/script_test.go | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/vendor/github.com/garyburd/redigo/redis/script_test.go b/vendor/github.com/garyburd/redigo/redis/script_test.go new file mode 100644 index 000000000..af282415c --- /dev/null +++ b/vendor/github.com/garyburd/redigo/redis/script_test.go @@ -0,0 +1,100 @@ +// Copyright 2012 Gary Burd +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package redis_test + +import ( + "fmt" + "reflect" + "testing" + "time" + + "github.com/garyburd/redigo/redis" +) + +var ( + // These variables are declared at package level to remove distracting + // details from the examples. + c redis.Conn + reply interface{} + err error +) + +func ExampleScript() { + // Initialize a package-level variable with a script. + var getScript = redis.NewScript(1, `return redis.call('get', KEYS[1])`) + + // In a function, use the script Do method to evaluate the script. The Do + // method optimistically uses the EVALSHA command. If the script is not + // loaded, then the Do method falls back to the EVAL command. + reply, err = getScript.Do(c, "foo") +} + +func TestScript(t *testing.T) { + c, err := redis.DialDefaultServer() + if err != nil { + t.Fatalf("error connection to database, %v", err) + } + defer c.Close() + + // To test fall back in Do, we make script unique by adding comment with current time. + script := fmt.Sprintf("--%d\nreturn {KEYS[1],KEYS[2],ARGV[1],ARGV[2]}", time.Now().UnixNano()) + s := redis.NewScript(2, script) + reply := []interface{}{[]byte("key1"), []byte("key2"), []byte("arg1"), []byte("arg2")} + + v, err := s.Do(c, "key1", "key2", "arg1", "arg2") + if err != nil { + t.Errorf("s.Do(c, ...) returned %v", err) + } + + if !reflect.DeepEqual(v, reply) { + t.Errorf("s.Do(c, ..); = %v, want %v", v, reply) + } + + err = s.Load(c) + if err != nil { + t.Errorf("s.Load(c) returned %v", err) + } + + err = s.SendHash(c, "key1", "key2", "arg1", "arg2") + if err != nil { + t.Errorf("s.SendHash(c, ...) returned %v", err) + } + + err = c.Flush() + if err != nil { + t.Errorf("c.Flush() returned %v", err) + } + + v, err = c.Receive() + if !reflect.DeepEqual(v, reply) { + t.Errorf("s.SendHash(c, ..); c.Receive() = %v, want %v", v, reply) + } + + err = s.Send(c, "key1", "key2", "arg1", "arg2") + if err != nil { + t.Errorf("s.Send(c, ...) returned %v", err) + } + + err = c.Flush() + if err != nil { + t.Errorf("c.Flush() returned %v", err) + } + + v, err = c.Receive() + if !reflect.DeepEqual(v, reply) { + t.Errorf("s.Send(c, ..); c.Receive() = %v, want %v", v, reply) + } + +} |