add unit test

server/http/base.go

@@ -17,18 +17,18 @@ var (
 	ErrSyntax = errors.New("syntax error")
 )
 
-type commondFunc func(*ledis.DB, ...string) (interface{}, error)
+type commandFunc func(*ledis.DB, ...string) (interface{}, error)
 
-var regCmds = map[string]commondFunc{}
+var regCmds = map[string]commandFunc{}
 
-func register(name string, f commondFunc) {
+func register(name string, f commandFunc) {
 	if _, ok := regCmds[strings.ToLower(name)]; ok {
 		panic(fmt.Sprintf("%s has been registered", name))
 	}
 	regCmds[name] = f
 }
 
-func lookup(name string) commondFunc {
+func lookup(name string) commandFunc {
 	return regCmds[strings.ToLower(name)]
 
 }

server/http/base_test.go

@@ -12,11 +12,11 @@ var ldb *ledis.Ledis
 func getTestDB() *ledis.DB {
 	f := func() {
 		var err error
-		if _, err := os.Stat("/tmp/test_http_api_db"); err == nil {
-			if err := os.RemoveAll("/tmp/test_http_api_db"); err != nil {
+		if _, err = os.Stat("/tmp/test_http_api_db"); err == nil {
+			if err = os.RemoveAll("/tmp/test_http_api_db"); err != nil {
 				panic(err)
 			}
-		} else if err != os.ErrNotExist {
+		} else if !os.IsNotExist(err) {
 			panic(err)
 		}
 		var cfg ledis.Config

server/http/cmd_kv_test.go

@@ -0,0 +1,116 @@
+package http
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestGetCommand(t *testing.T) {
+	db := getTestDB()
+	_, err := getCommand(db, "test_get", "a")
+	if err == nil || err.Error() != fmt.Sprintf(ERR_ARGUMENT_FORMAT, "get") {
+		t.Fatal("invalid err ", err)
+	}
+
+	err = db.Set([]byte("test_get"), []byte("v"))
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	v, err := getCommand(db, "test_get")
+
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	if v.(string) != "v" {
+		t.Fatalf("invalid result %v", v)
+	}
+
+}
+
+func TestSetCommand(t *testing.T) {
+	db := getTestDB()
+	_, err := setCommand(db, "test_set")
+	if err == nil || err.Error() != fmt.Sprintf(ERR_ARGUMENT_FORMAT, "set") {
+		t.Fatal("invalid err ", err)
+	}
+	v, err := setCommand(db, "test_set", "v")
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	r := v.([]interface{})
+	if len(r) != 2 {
+		t.Fatalf("invalid result %v", v)
+	}
+
+	if r[0].(bool) != true {
+		t.Fatalf("invalid result %v", r[0])
+	}
+
+	if r[1].(string) != "OK" {
+		t.Fatalf("invalid result %v", r[1])
+	}
+}
+
+func TestGetsetCommand(t *testing.T) {
+	db := getTestDB()
+	_, err := getsetCommand(db, "test_getset")
+	if err == nil || err.Error() != fmt.Sprintf(ERR_ARGUMENT_FORMAT, "getset") {
+		t.Fatal("invalid err ", err)
+	}
+
+	v, err := getsetCommand(db, "test_getset", "v")
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	if v != nil {
+		t.Fatal("invalid result ", v)
+	}
+}
+
+func TestSetnxCommand(t *testing.T) {
+	db := getTestDB()
+	_, err := setnxCommand(db, "test_setnx")
+	if err == nil || err.Error() != fmt.Sprintf(ERR_ARGUMENT_FORMAT, "setnx") {
+		t.Fatal("invalid err ", err)
+	}
+	v, err := setnxCommand(db, "test_setnx", "v")
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	if v.(int64) != 1 {
+		t.Fatal("invalid result ", v)
+	}
+}
+
+func TestExistsCommand(t *testing.T) {
+	db := getTestDB()
+	_, err := existsCommand(db, "test_exists", "a")
+	if err == nil || err.Error() != fmt.Sprintf(ERR_ARGUMENT_FORMAT, "exists") {
+		t.Fatal("invalid err ", err)
+	}
+	v, err := existsCommand(db, "test_exists")
+
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	if v.(int64) != 0 {
+		t.Fatal("invalid result ", v)
+	}
+}
+
+func TestIncrCommand(t *testing.T) {
+	db := getTestDB()
+	_, err := incrCommand(db, "test_incr", "a")
+	if err == nil || err.Error() != fmt.Sprintf(ERR_ARGUMENT_FORMAT, "incr") {
+		t.Fatal("invalid err ", err)
+	}
+	v, err := incrCommand(db, "test_incr")
+
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	if v.(int64) != 1 {
+		t.Fatal("invalid result ", v)
+	}
+
+}