minor performance updates

add benchmarks

Author: joeybloggs

.gitignore

@@ -22,3 +22,5 @@ _testmain.go
 *.exe
 *.test
 *.prof
+*.test
+*.out

validator.go

@@ -166,8 +166,6 @@ func (v *Validate) Struct(s interface{}) *StructErrors {
 func (v *Validate) structRecursive(top interface{}, current interface{}, s interface{}) *StructErrors {
 
 	structValue := reflect.ValueOf(s)
-	structType := reflect.TypeOf(s)
-	structName := structType.Name()
 
 	if structValue.Kind() == reflect.Ptr && !structValue.IsNil() {
 		return v.structRecursive(top, current, structValue.Elem().Interface())
@@ -177,6 +175,9 @@ func (v *Validate) structRecursive(top interface{}, current interface{}, s inter
 		panic("interface passed for validation is not a struct")
 	}
 
+	structType := reflect.TypeOf(s)
+	structName := structType.Name()
+
 	validationErrors := &StructErrors{
 		Struct:       structName,
 		Errors:       map[string]*FieldError{},
@@ -339,7 +340,7 @@ func (v *Validate) fieldWithNameAndValue(val interface{}, current interface{}, f
 func (v *Validate) fieldWithNameAndSingleTag(val interface{}, current interface{}, f interface{}, name string, valTag string) (*FieldError, error) {
 
 	vals := strings.Split(valTag, tagKeySeparator)
-	key := strings.Trim(vals[0], " ")
+	key := strings.TrimSpace(vals[0])
 
 	if len(key) == 0 {
 		panic(fmt.Sprintf("Invalid validation tag on field %s", name))
@@ -364,7 +365,7 @@ func (v *Validate) fieldWithNameAndSingleTag(val interface{}, current interface{
 
 	param := ""
 	if len(vals) > 1 {
-		param = strings.Trim(vals[1], " ")
+		param = strings.TrimSpace(vals[1])
 	}
 
 	if err := valFunc(val, current, f, param); !err {

validator_test.go

@@ -13,6 +13,14 @@ import (
 // - Run "go test" to run tests
 // - Run "gocov test | gocov report" to report on test converage by file
 // - Run "gocov test | gocov annotate -" to report on all code and functions, those ,marked with "MISS" were never called
+//
+//
+// go test -cpuprofile cpu.out
+// ./validator.test -test.bench=. -test.cpuprofile=cpu.prof
+// go tool pprof validator.test cpu.prof
+//
+//
+// go test -memprofile mem.out
 
 type I interface {
 	Foo() string
@@ -2310,3 +2318,25 @@ func TestInvalidValidatorFunction(t *testing.T) {
 
 	PanicMatches(t, func() { validate.Field(s.Test, "zzxxBadFunction") }, fmt.Sprintf("Undefined validation function on field %s", ""))
 }
+
+func BenchmarkValidateField(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		validate.Field("1", "len=1")
+	}
+}
+
+func BenchmarkValidateStruct(b *testing.B) {
+	type Test struct {
+		StringVal string `bson:"required,lt=10"`
+		Int64Val  int64  `bson:"gt=0,lt=10"`
+	}
+
+	t := &Test{
+		StringVal: "test",
+		Int64Val:  5,
+	}
+
+	for n := 0; n < b.N; n++ {
+		validate.Struct(t)
+	}
+}