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fix required_* #544

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Merged
merged 1 commit into from
Nov 17, 2019
Merged

fix required_* #544

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26 changes: 13 additions & 13 deletions baked_in.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1316,21 +1316,24 @@ func hasValue(fl FieldLevel) bool {
// requireCheckField is a func for check field kind
func requireCheckFieldKind(fl FieldLevel, param string, defaultNotFoundValue bool) bool {
field := fl.Field()
var ok bool
kind := field.Kind()
var nullable, found bool
if len(param) > 0 {
field, kind, ok = fl.GetStructFieldOKAdvanced(fl.Parent(), param)
if !ok {
field, kind, nullable, found = fl.GetStructFieldOKAdvanced2(fl.Parent(), param)
if !found {
return defaultNotFoundValue
}
}
switch kind {
case reflect.Invalid:
return defaultNotFoundValue
case reflect.Slice, reflect.Map, reflect.Ptr, reflect.Interface, reflect.Chan, reflect.Func:
return !field.IsNil()
return field.IsNil()
default:
return field.IsValid() && field.Interface() != reflect.Zero(field.Type()).Interface()
if nullable && field.Interface() != nil {
return false
}
return field.IsValid() && field.Interface() == reflect.Zero(field.Type()).Interface()
}
}

Expand All @@ -1339,7 +1342,7 @@ func requireCheckFieldKind(fl FieldLevel, param string, defaultNotFoundValue boo
func requiredWith(fl FieldLevel) bool {
params := parseOneOfParam2(fl.Param())
for _, param := range params {
if requireCheckFieldKind(fl, param, false) {
if !requireCheckFieldKind(fl, param, true) {
return hasValue(fl)
}
}
Expand All @@ -1351,7 +1354,7 @@ func requiredWith(fl FieldLevel) bool {
func requiredWithAll(fl FieldLevel) bool {
params := parseOneOfParam2(fl.Param())
for _, param := range params {
if !requireCheckFieldKind(fl, param, false) {
if requireCheckFieldKind(fl, param, true) {
return true
}
}
Expand All @@ -1361,11 +1364,8 @@ func requiredWithAll(fl FieldLevel) bool {
// RequiredWithout is the validation function
// The field under validation must be present and not empty only when any of the other specified fields are not present.
func requiredWithout(fl FieldLevel) bool {
params := parseOneOfParam2(fl.Param())
for _, param := range params {
if !requireCheckFieldKind(fl, param, true) {
return hasValue(fl)
}
if requireCheckFieldKind(fl, strings.TrimSpace(fl.Param()), true) {
return hasValue(fl)
}
return true
}
Expand All @@ -1375,7 +1375,7 @@ func requiredWithout(fl FieldLevel) bool {
func requiredWithoutAll(fl FieldLevel) bool {
params := parseOneOfParam2(fl.Param())
for _, param := range params {
if requireCheckFieldKind(fl, param, true) {
if !requireCheckFieldKind(fl, param, true) {
return true
}
}
Expand Down
37 changes: 35 additions & 2 deletions field_level.go
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Original file line number Diff line number Diff line change
Expand Up @@ -37,11 +37,27 @@ type FieldLevel interface {
//
// NOTE: when not successful ok will be false, this can happen when a nested struct is nil and so the field
// could not be retrieved because it didn't exist.
//
// Deprecated: Use GetStructFieldOK2() instead which also return if the value is nullable.
GetStructFieldOK() (reflect.Value, reflect.Kind, bool)

// GetStructFieldOKAdvanced is the same as GetStructFieldOK except that it accepts the parent struct to start looking for
// the field and namespace allowing more extensibility for validators.
//
// Deprecated: Use GetStructFieldOKAdvanced2() instead which also return if the value is nullable.
GetStructFieldOKAdvanced(val reflect.Value, namespace string) (reflect.Value, reflect.Kind, bool)

// traverses the parent struct to retrieve a specific field denoted by the provided namespace
// in the param and returns the field, field kind, if it's a nullable type and whether is was successful in retrieving
// the field at all.
//
// NOTE: when not successful ok will be false, this can happen when a nested struct is nil and so the field
// could not be retrieved because it didn't exist.
GetStructFieldOK2() (reflect.Value, reflect.Kind, bool, bool)

// GetStructFieldOKAdvanced is the same as GetStructFieldOK except that it accepts the parent struct to start looking for
// the field and namespace allowing more extensibility for validators.
GetStructFieldOKAdvanced2(val reflect.Value, namespace string) (reflect.Value, reflect.Kind, bool, bool)
}

var _ FieldLevel = new(validate)
Expand All @@ -52,7 +68,7 @@ func (v *validate) Field() reflect.Value {
}

// FieldName returns the field's name with the tag
// name takeing precedence over the fields actual name.
// name taking precedence over the fields actual name.
func (v *validate) FieldName() string {
return v.cf.altName
}
Expand All @@ -68,12 +84,29 @@ func (v *validate) Param() string {
}

// GetStructFieldOK returns Param returns param for validation against current field
//
// Deprecated: Use GetStructFieldOK2() instead which also return if the value is nullable.
func (v *validate) GetStructFieldOK() (reflect.Value, reflect.Kind, bool) {
return v.getStructFieldOKInternal(v.slflParent, v.ct.param)
current, kind, _, found := v.getStructFieldOKInternal(v.slflParent, v.ct.param)
return current, kind, found
}

// GetStructFieldOKAdvanced is the same as GetStructFieldOK except that it accepts the parent struct to start looking for
// the field and namespace allowing more extensibility for validators.
//
// Deprecated: Use GetStructFieldOKAdvanced2() instead which also return if the value is nullable.
func (v *validate) GetStructFieldOKAdvanced(val reflect.Value, namespace string) (reflect.Value, reflect.Kind, bool) {
current, kind, _, found := v.GetStructFieldOKAdvanced2(val, namespace)
return current, kind, found
}

// GetStructFieldOK returns Param returns param for validation against current field
func (v *validate) GetStructFieldOK2() (reflect.Value, reflect.Kind, bool, bool) {
return v.getStructFieldOKInternal(v.slflParent, v.ct.param)
}

// GetStructFieldOKAdvanced is the same as GetStructFieldOK except that it accepts the parent struct to start looking for
// the field and namespace allowing more extensibility for validators.
func (v *validate) GetStructFieldOKAdvanced2(val reflect.Value, namespace string) (reflect.Value, reflect.Kind, bool, bool) {
return v.getStructFieldOKInternal(val, namespace)
}
7 changes: 3 additions & 4 deletions util.go
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Original file line number Diff line number Diff line change
Expand Up @@ -57,11 +57,10 @@ BEGIN:
//
// NOTE: when not successful ok will be false, this can happen when a nested struct is nil and so the field
// could not be retrieved because it didn't exist.
func (v *validate) getStructFieldOKInternal(val reflect.Value, namespace string) (current reflect.Value, kind reflect.Kind, found bool) {
func (v *validate) getStructFieldOKInternal(val reflect.Value, namespace string) (current reflect.Value, kind reflect.Kind, nullable bool, found bool) {

BEGIN:
current, kind, _ = v.ExtractType(val)

current, kind, nullable = v.ExtractType(val)
if kind == reflect.Invalid {
return
}
Expand Down Expand Up @@ -112,7 +111,7 @@ BEGIN:
arrIdx, _ := strconv.Atoi(namespace[idx+1 : idx2])

if arrIdx >= current.Len() {
return current, kind, false
return
}

startIdx := idx2 + 1
Expand Down
2 changes: 1 addition & 1 deletion validator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ import (
"strconv"
)

// per validate contruct
// per validate construct
type validate struct {
v *Validate
top reflect.Value
Expand Down
104 changes: 77 additions & 27 deletions validator_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1640,125 +1640,125 @@ func TestCrossNamespaceFieldValidation(t *testing.T) {
v: vd,
}

current, kind, ok := v.getStructFieldOKInternal(val, "Inner.CreatedAt")
current, kind, _, ok := v.getStructFieldOKInternal(val, "Inner.CreatedAt")
Equal(t, ok, true)
Equal(t, kind, reflect.Struct)
tm, ok := current.Interface().(time.Time)
Equal(t, ok, true)
Equal(t, tm, now)

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.Slice[1]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.Slice[1]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, _, ok = v.getStructFieldOKInternal(val, "Inner.CrazyNonExistantField")
current, _, _, ok = v.getStructFieldOKInternal(val, "Inner.CrazyNonExistantField")
Equal(t, ok, false)

current, _, ok = v.getStructFieldOKInternal(val, "Inner.Slice[101]")
current, _, _, ok = v.getStructFieldOKInternal(val, "Inner.Slice[101]")
Equal(t, ok, false)

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.Map[key3]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.Map[key3]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val3")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapMap[key2][key2-1]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapMap[key2][key2-1]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapStructs[key2].Name")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapStructs[key2].Name")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "name2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapMapStruct[key3][key3-1].Name")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapMapStruct[key3][key3-1].Name")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "name3")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.SliceSlice[2][0]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceSlice[2][0]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "7")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.SliceSliceStruct[2][1].Name")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceSliceStruct[2][1].Name")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "name8")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.SliceMap[1][key5]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceMap[1][key5]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val5")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapSlice[key3][2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapSlice[key3][2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "9")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapInt[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapInt8[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt8[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapInt16[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt16[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapInt32[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt32[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapInt64[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapInt64[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapUint[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapUint8[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint8[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapUint16[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint16[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapUint32[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint32[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapUint64[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapUint64[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapFloat32[3.03]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapFloat32[3.03]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val3")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapFloat64[2.02]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapFloat64[2.02]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val2")

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.MapBool[true]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.MapBool[true]")
Equal(t, ok, true)
Equal(t, kind, reflect.String)
Equal(t, current.String(), "val1")
Expand All @@ -1784,13 +1784,13 @@ func TestCrossNamespaceFieldValidation(t *testing.T) {

val = reflect.ValueOf(test)

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.SliceStructs[2]")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceStructs[2]")
Equal(t, ok, true)
Equal(t, kind, reflect.Ptr)
Equal(t, current.String(), "<*validator.SliceStruct Value>")
Equal(t, current.IsNil(), true)

current, kind, ok = v.getStructFieldOKInternal(val, "Inner.SliceStructs[2].Name")
current, kind, _, ok = v.getStructFieldOKInternal(val, "Inner.SliceStructs[2].Name")
Equal(t, ok, false)
Equal(t, kind, reflect.Ptr)
Equal(t, current.String(), "<*validator.SliceStruct Value>")
Expand Down Expand Up @@ -8864,3 +8864,53 @@ func TestAbilityToValidateNils(t *testing.T) {
errs = val.Struct(ts)
NotEqual(t, errs, nil)
}

func TestRequiredWithoutPointers(t *testing.T) {
type Lookup struct {
FieldA *bool `json:"fieldA,omitempty" validate:"required_without=FieldB"`
FieldB *bool `json:"fieldB,omitempty" validate:"required_without=FieldA"`
}

b := true
lookup := Lookup{
FieldA: &b,
FieldB: nil,
}

val := New()
errs := val.Struct(lookup)
Equal(t, errs, nil)

b = false
lookup = Lookup{
FieldA: &b,
FieldB: nil,
}
errs = val.Struct(lookup)
Equal(t, errs, nil)
}

func TestRequiredWithoutAllPointers(t *testing.T) {
type Lookup struct {
FieldA *bool `json:"fieldA,omitempty" validate:"required_without_all=FieldB"`
FieldB *bool `json:"fieldB,omitempty" validate:"required_without_all=FieldA"`
}

b := true
lookup := Lookup{
FieldA: &b,
FieldB: nil,
}

val := New()
errs := val.Struct(lookup)
Equal(t, errs, nil)

b = false
lookup = Lookup{
FieldA: &b,
FieldB: nil,
}
errs = val.Struct(lookup)
Equal(t, errs, nil)
}