Updates + Benchmarks

update documentation.
add benchmarks for StructPartial, dive tag, cross field and cross struct cross field.

benchmarks_test.go

@@ -4,6 +4,7 @@ import (
 	sql "database/sql/driver"
 	"reflect"
 	"testing"
+	"time"
 )
 
 func BenchmarkFieldSuccess(b *testing.B) {
@@ -18,6 +19,18 @@ func BenchmarkFieldFailure(b *testing.B) {
 	}
 }
 
+func BenchmarkFieldDiveSuccess(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		validate.Field([]string{"val1", "val2", "val3"}, "required,dive,required")
+	}
+}
+
+func BenchmarkFieldDiveFailure(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		validate.Field([]string{"val1", "", "val3"}, "required,dive,required")
+	}
+}
+
 func BenchmarkFieldCustomTypeSuccess(b *testing.B) {
 
 	customTypes := map[reflect.Type]CustomTypeFunc{}
@@ -62,35 +75,31 @@ func BenchmarkFieldOrTagFailure(b *testing.B) {
 	}
 }
 
-func BenchmarkStructSimpleSuccess(b *testing.B) {
+func BenchmarkStructSimpleCustomTypeSuccess(b *testing.B) {
 
-	type Foo struct {
-		StringValue string `validate:"min=5,max=10"`
-		IntValue    int    `validate:"min=5,max=10"`
-	}
+	customTypes := map[reflect.Type]CustomTypeFunc{}
+	customTypes[reflect.TypeOf((*sql.Valuer)(nil))] = ValidateValuerType
+	customTypes[reflect.TypeOf(valuer{})] = ValidateValuerType
 
-	validFoo := &Foo{StringValue: "Foobar", IntValue: 7}
+	validate := New(Config{TagName: "validate", ValidationFuncs: BakedInValidators, CustomTypeFuncs: customTypes})
 
-	for n := 0; n < b.N; n++ {
-		validate.Struct(validFoo)
+	val := valuer{
+		Name: "1",
 	}
-}
-
-func BenchmarkStructSimpleFailure(b *testing.B) {
 
 	type Foo struct {
-		StringValue string `validate:"min=5,max=10"`
+		Valuer   valuer `validate:"len=1"`
 		IntValue int    `validate:"min=5,max=10"`
 	}
 
-	invalidFoo := &Foo{StringValue: "Fo", IntValue: 3}
+	validFoo := &Foo{Valuer: val, IntValue: 7}
 
 	for n := 0; n < b.N; n++ {
-		validate.Struct(invalidFoo)
+		validate.Struct(validFoo)
 	}
 }
 
-func BenchmarkStructSimpleCustomTypeSuccess(b *testing.B) {
+func BenchmarkStructSimpleCustomTypeFailure(b *testing.B) {
 
 	customTypes := map[reflect.Type]CustomTypeFunc{}
 	customTypes[reflect.TypeOf((*sql.Valuer)(nil))] = ValidateValuerType
@@ -98,44 +107,175 @@ func BenchmarkStructSimpleCustomTypeSuccess(b *testing.B) {
 
 	validate := New(Config{TagName: "validate", ValidationFuncs: BakedInValidators, CustomTypeFuncs: customTypes})
 
-	val := valuer{
-		Name: "1",
-	}
+	val := valuer{}
 
 	type Foo struct {
 		Valuer   valuer `validate:"len=1"`
 		IntValue int    `validate:"min=5,max=10"`
 	}
 
-	validFoo := &Foo{Valuer: val, IntValue: 7}
+	validFoo := &Foo{Valuer: val, IntValue: 3}
 
 	for n := 0; n < b.N; n++ {
 		validate.Struct(validFoo)
 	}
 }
 
-func BenchmarkStructSimpleCustomTypeFailure(b *testing.B) {
+func BenchmarkStructPartialSuccess(b *testing.B) {
 
-	customTypes := map[reflect.Type]CustomTypeFunc{}
-	customTypes[reflect.TypeOf((*sql.Valuer)(nil))] = ValidateValuerType
-	customTypes[reflect.TypeOf(valuer{})] = ValidateValuerType
+	type Test struct {
+		Name     string `validate:"required"`
+		NickName string `validate:"required"`
+	}
 
-	validate := New(Config{TagName: "validate", ValidationFuncs: BakedInValidators, CustomTypeFuncs: customTypes})
+	test := &Test{
+		Name: "Joey Bloggs",
+	}
 
-	val := valuer{}
+	for n := 0; n < b.N; n++ {
+		validate.StructPartial(test, "Name")
+	}
+}
+
+func BenchmarkStructPartialFailure(b *testing.B) {
+
+	type Test struct {
+		Name     string `validate:"required"`
+		NickName string `validate:"required"`
+	}
+
+	test := &Test{
+		Name: "Joey Bloggs",
+	}
+
+	for n := 0; n < b.N; n++ {
+		validate.StructPartial(test, "NickName")
+	}
+}
+
+func BenchmarkStructSimpleCrossFieldSuccess(b *testing.B) {
+
+	type Test struct {
+		Start time.Time
+		End   time.Time `validate:"gtfield=Start"`
+	}
+
+	now := time.Now().UTC()
+	then := now.Add(time.Hour * 5)
+
+	test := &Test{
+		Start: now,
+		End:   then,
+	}
+
+	for n := 0; n < b.N; n++ {
+		validate.Struct(test)
+	}
+}
+
+func BenchmarkStructSimpleCrossFieldFailure(b *testing.B) {
+
+	type Test struct {
+		Start time.Time
+		End   time.Time `validate:"gtfield=Start"`
+	}
+
+	now := time.Now().UTC()
+	then := now.Add(time.Hour * -5)
+
+	test := &Test{
+		Start: now,
+		End:   then,
+	}
+
+	for n := 0; n < b.N; n++ {
+		validate.Struct(test)
+	}
+}
+
+func BenchmarkStructSimpleCrossStructCrossFieldSuccess(b *testing.B) {
+
+	type Inner struct {
+		Start time.Time
+	}
+
+	type Outer struct {
+		Inner     *Inner
+		CreatedAt time.Time `validate:"eqcsfield=Inner.Start"`
+	}
+
+	now := time.Now().UTC()
+
+	inner := &Inner{
+		Start: now,
+	}
+
+	outer := &Outer{
+		Inner:     inner,
+		CreatedAt: now,
+	}
+
+	for n := 0; n < b.N; n++ {
+		validate.Struct(outer)
+	}
+}
+
+func BenchmarkStructSimpleCrossStructCrossFieldFailure(b *testing.B) {
+
+	type Inner struct {
+		Start time.Time
+	}
+
+	type Outer struct {
+		Inner     *Inner
+		CreatedAt time.Time `validate:"eqcsfield=Inner.Start"`
+	}
+
+	now := time.Now().UTC()
+	then := now.Add(time.Hour * 5)
+
+	inner := &Inner{
+		Start: then,
+	}
+
+	outer := &Outer{
+		Inner:     inner,
+		CreatedAt: now,
+	}
+
+	for n := 0; n < b.N; n++ {
+		validate.Struct(outer)
+	}
+}
+
+func BenchmarkStructSimpleSuccess(b *testing.B) {
 
 	type Foo struct {
-		Valuer   valuer `validate:"len=1"`
+		StringValue string `validate:"min=5,max=10"`
 		IntValue    int    `validate:"min=5,max=10"`
 	}
 
-	validFoo := &Foo{Valuer: val, IntValue: 3}
+	validFoo := &Foo{StringValue: "Foobar", IntValue: 7}
 
 	for n := 0; n < b.N; n++ {
 		validate.Struct(validFoo)
 	}
 }
 
+func BenchmarkStructSimpleFailure(b *testing.B) {
+
+	type Foo struct {
+		StringValue string `validate:"min=5,max=10"`
+		IntValue    int    `validate:"min=5,max=10"`
+	}
+
+	invalidFoo := &Foo{StringValue: "Fo", IntValue: 3}
+
+	for n := 0; n < b.N; n++ {
+		validate.Struct(invalidFoo)
+	}
+}
+
 func BenchmarkStructSimpleSuccessParallel(b *testing.B) {
 
 	type Foo struct {

validator.go

@@ -213,6 +213,8 @@ func (v *Validate) FieldWithValue(val interface{}, field interface{}, tag string
 // StructPartial validates the fields passed in only, ignoring all others.
 // Fields may be provided in a namespaced fashion relative to the  struct provided
 // i.e. NestedStruct.Field or NestedArrayField[0].Struct.Name
+// NOTE: This is normally not needed, however in some specific cases such as: tied to a
+// legacy data structure, it will be useful
 func (v *Validate) StructPartial(current interface{}, fields ...string) ValidationErrors {
 
 	sv, _ := v.extractType(reflect.ValueOf(current))
@@ -269,6 +271,8 @@ func (v *Validate) StructPartial(current interface{}, fields ...string) Validati
 // StructExcept validates all fields except the ones passed in.
 // Fields may be provided in a namespaced fashion relative to the  struct provided
 // i.e. NestedStruct.Field or NestedArrayField[0].Struct.Name
+// NOTE: This is normally not needed, however in some specific cases such as: tied to a
+// legacy data structure, it will be useful
 func (v *Validate) StructExcept(current interface{}, fields ...string) ValidationErrors {
 
 	sv, _ := v.extractType(reflect.ValueOf(current))