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validator
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Define NotBlank as non standard validator.

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pull/421/head
Andrei Avram 6 years ago
parent faaace938d
commit 1d286c8332
5 changed files with 114 additions and 47 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 15
      baked_in.go
  2. 28
      doc.go
  3. 24
      non-standard/validators/notblank.go
  4. 65
      non-standard/validators/notblank_test.go
  5. 29
      validator_test.go

15
baked_in.go
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@ -63,7 +63,6 @@ var (
// or even disregard and use your own map if so desired.
bakedInValidators = map[string]Func{
"required": hasValue,
"notblank": notBlank,
"isdefault": isDefault,
"len": hasLengthOf,
"min": hasMinOf,
@ -1265,20 +1264,6 @@ func hasValue(fl FieldLevel) bool {
}
}
// NotBlank is the validation function for validating if the current field has a value or length greater than zero.
func notBlank(fl FieldLevel) bool {
field := fl.Field()
switch field.Kind() {
case reflect.String:
return len(strings.TrimSpace(field.String())) > 0
case reflect.Chan, reflect.Map, reflect.Slice, reflect.Array:
return field.Len() > 0
default:
return hasValue(fl)
}
}
// IsGteField is the validation function for validating if the current field's value is greater than or equal to the field specified by the param's value.
func isGteField(fl FieldLevel) bool {

28
doc.go
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@ -245,14 +245,6 @@ ensures the value is not nil.
Usage: required
NotBlank
This validates that the value is not blank or with length zero.
For strings ensures they do not contain only spaces. For channels, maps, slices and arrays
ensures they don't have zero length. For others, the "required" validation is used.
Usage: notblank
Is Default
This validates that the value is the default value and is almost the
@ -998,5 +990,25 @@ that should not make it to production.
}
validate.Struct(t) // this will panic
Non standard validators
type Test struct {
TestField string `validate:"yourtag"`
}
t := &Test{
TestField: "Test"
}
validate := validator.New()
validate.RegisterValidation("yourtag", validations.ValidatorName)
NotBlank
This validates that the value is not blank or with length zero.
For strings ensures they do not contain only spaces. For channels, maps, slices and arrays
ensures they don't have zero length. For others, a non empty value is required.
Usage: notblank
*/
package validator

24
non-standard/validators/notblank.go
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@ -0,0 +1,24 @@
package validators
import (
"reflect"
"strings"
"github.com/andreiavrammsd/validator"
)
// NotBlank is the validation function for validating if the current field has a value or length greater than zero.
func NotBlank(fl validator.FieldLevel) bool {
field := fl.Field()
switch field.Kind() {
case reflect.String:
return len(strings.TrimSpace(field.String())) > 0
case reflect.Chan, reflect.Map, reflect.Slice, reflect.Array:
return field.Len() > 0
case reflect.Ptr, reflect.Interface, reflect.Func:
return !field.IsNil()
default:
return field.IsValid() && field.Interface() != reflect.Zero(field.Type()).Interface()
}
}

65
non-standard/validators/notblank_test.go
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@ -0,0 +1,65 @@
package validators
import (
"testing"
"github.com/andreiavrammsd/validator"
"gopkg.in/go-playground/assert.v1"
)
type test struct {
String string `validate:"notblank"`
Array []int `validate:"notblank"`
Pointer *int `validate:"notblank"`
Number int `validate:"notblank"`
Interface interface{} `validate:"notblank"`
Func func() `validate:"notblank"`
}
func TestNotBlank(t *testing.T) {
v := validator.New()
err := v.RegisterValidation("notblank", NotBlank)
assert.Equal(t, nil, err)
// Errors
var x *int
invalid := test{
String: " ",
Array: []int{},
Pointer: x,
Number: 0,
Interface: nil,
Func: nil,
}
fieldsWithError := []string{
"String",
"Array",
"Pointer",
"Number",
"Interface",
"Func",
}
errors := v.Struct(invalid).(validator.ValidationErrors)
var fields []string
for _, err := range errors {
fields = append(fields, err.Field())
}
assert.Equal(t, fieldsWithError, fields)
// No errors
y := 1
x = &y
valid := test{
String: "str",
Array: []int{1},
Pointer: x,
Number: 1,
Interface: "value",
Func: func() {},
}
err = v.Struct(valid)
assert.Equal(t, nil, err)
}

29
validator_test.go
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@ -62,7 +62,6 @@ type TestInterface struct {
type TestString struct {
BlankTag string `validate:""`
Required string `validate:"required"`
NotBlank string `validate:"notblank"`
Len string `validate:"len=10"`
Min string `validate:"min=1"`
Max string `validate:"max=10"`
@ -82,7 +81,6 @@ type TestString struct {
type TestUint64 struct {
Required uint64 `validate:"required"`
NotBlank uint64 `validate:"notblank"`
Len uint64 `validate:"len=10"`
Min uint64 `validate:"min=1"`
Max uint64 `validate:"max=10"`
@ -92,7 +90,6 @@ type TestUint64 struct {
type TestFloat64 struct {
Required float64 `validate:"required"`
NotBlank float64 `validate:"notblank"`
Len float64 `validate:"len=10"`
Min float64 `validate:"min=1"`
Max float64 `validate:"max=10"`
@ -103,7 +100,6 @@ type TestFloat64 struct {
type TestSlice struct {
Required []int `validate:"required"`
NotBlank []int `validate:"notblank"`
Len []int `validate:"len=10"`
Min []int `validate:"min=1"`
Max []int `validate:"max=10"`
@ -6729,7 +6725,6 @@ func TestStructStringValidation(t *testing.T) {
tSuccess := &TestString{
Required: "Required",
NotBlank: "NotBLank",
Len: "length==10",
Min: "min=1",
Max: "1234567890",
@ -6760,7 +6755,6 @@ func TestStructStringValidation(t *testing.T) {
tFail := &TestString{
Required: "",
NotBlank: " ",
Len: "",
Min: "",
Max: "12345678901",
@ -6787,11 +6781,10 @@ func TestStructStringValidation(t *testing.T) {
// Assert Top Level
NotEqual(t, errs, nil)
Equal(t, len(errs.(ValidationErrors)), 14)
Equal(t, len(errs.(ValidationErrors)), 13)
// Assert Fields
AssertError(t, errs, "TestString.Required", "TestString.Required", "Required", "Required", "required")
AssertError(t, errs, "TestString.NotBlank", "TestString.NotBlank", "NotBlank", "NotBlank", "notblank")
AssertError(t, errs, "TestString.Len", "TestString.Len", "Len", "Len", "len")
AssertError(t, errs, "TestString.Min", "TestString.Min", "Min", "Min", "min")
AssertError(t, errs, "TestString.Max", "TestString.Max", "Max", "Max", "max")
@ -6812,7 +6805,6 @@ func TestStructInt32Validation(t *testing.T) {
type TestInt32 struct {
Required int `validate:"required"`
NotBlank int `validate:"notblank"`
Len int `validate:"len=10"`
Min int `validate:"min=1"`
Max int `validate:"max=10"`
@ -6826,7 +6818,6 @@ func TestStructInt32Validation(t *testing.T) {
tSuccess := &TestInt32{
Required: 1,
NotBlank: 1,
Len: 10,
Min: 1,
Max: 10,
@ -6844,7 +6835,6 @@ func TestStructInt32Validation(t *testing.T) {
tFail := &TestInt32{
Required: 0,
NotBlank: 0,
Len: 11,
Min: -1,
Max: 11,
@ -6860,11 +6850,10 @@ func TestStructInt32Validation(t *testing.T) {
// Assert Top Level
NotEqual(t, errs, nil)
Equal(t, len(errs.(ValidationErrors)), 11)
Equal(t, len(errs.(ValidationErrors)), 10)
// Assert Fields
AssertError(t, errs, "TestInt32.Required", "TestInt32.Required", "Required", "Required", "required")
AssertError(t, errs, "TestInt32.NotBlank", "TestInt32.NotBlank", "NotBlank", "NotBlank", "notblank")
AssertError(t, errs, "TestInt32.Len", "TestInt32.Len", "Len", "Len", "len")
AssertError(t, errs, "TestInt32.Min", "TestInt32.Min", "Min", "Min", "min")
AssertError(t, errs, "TestInt32.Max", "TestInt32.Max", "Max", "Max", "max")
@ -6882,7 +6871,6 @@ func TestStructUint64Validation(t *testing.T) {
tSuccess := &TestUint64{
Required: 1,
NotBlank: 1,
Len: 10,
Min: 1,
Max: 10,
@ -6895,7 +6883,6 @@ func TestStructUint64Validation(t *testing.T) {
tFail := &TestUint64{
Required: 0,
NotBlank: 0,
Len: 11,
Min: 0,
Max: 11,
@ -6907,11 +6894,10 @@ func TestStructUint64Validation(t *testing.T) {
// Assert Top Level
NotEqual(t, errs, nil)
Equal(t, len(errs.(ValidationErrors)), 7)
Equal(t, len(errs.(ValidationErrors)), 6)
// Assert Fields
AssertError(t, errs, "TestUint64.Required", "TestUint64.Required", "Required", "Required", "required")
AssertError(t, errs, "TestUint64.NotBlank", "TestUint64.NotBlank", "NotBlank", "NotBlank", "notblank")
AssertError(t, errs, "TestUint64.Len", "TestUint64.Len", "Len", "Len", "len")
AssertError(t, errs, "TestUint64.Min", "TestUint64.Min", "Min", "Min", "min")
AssertError(t, errs, "TestUint64.Max", "TestUint64.Max", "Max", "Max", "max")
@ -6925,7 +6911,6 @@ func TestStructFloat64Validation(t *testing.T) {
tSuccess := &TestFloat64{
Required: 1,
NotBlank: 1,
Len: 10,
Min: 1,
Max: 10,
@ -6938,7 +6923,6 @@ func TestStructFloat64Validation(t *testing.T) {
tFail := &TestFloat64{
Required: 0,
NotBlank: 0,
Len: 11,
Min: 0,
Max: 11,
@ -6950,11 +6934,10 @@ func TestStructFloat64Validation(t *testing.T) {
// Assert Top Level
NotEqual(t, errs, nil)
Equal(t, len(errs.(ValidationErrors)), 7)
Equal(t, len(errs.(ValidationErrors)), 6)
// Assert Fields
AssertError(t, errs, "TestFloat64.Required", "TestFloat64.Required", "Required", "Required", "required")
AssertError(t, errs, "TestFloat64.NotBlank", "TestFloat64.NotBlank", "NotBlank", "NotBlank", "notblank")
AssertError(t, errs, "TestFloat64.Len", "TestFloat64.Len", "Len", "Len", "len")
AssertError(t, errs, "TestFloat64.Min", "TestFloat64.Min", "Min", "Min", "min")
AssertError(t, errs, "TestFloat64.Max", "TestFloat64.Max", "Max", "Max", "max")
@ -6968,7 +6951,6 @@ func TestStructSliceValidation(t *testing.T) {
tSuccess := &TestSlice{
Required: []int{1},
NotBlank: []int{1},
Len: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0},
Min: []int{1, 2},
Max: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0},
@ -6981,7 +6963,6 @@ func TestStructSliceValidation(t *testing.T) {
tFail := &TestSlice{
Required: nil,
NotBlank: []int{},
Len: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1},
Min: []int{},
Max: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1},
@ -6991,7 +6972,7 @@ func TestStructSliceValidation(t *testing.T) {
errs = validate.Struct(tFail)
NotEqual(t, errs, nil)
Equal(t, len(errs.(ValidationErrors)), 7)
Equal(t, len(errs.(ValidationErrors)), 6)
// Assert Field Errors
AssertError(t, errs, "TestSlice.Required", "TestSlice.Required", "Required", "Required", "required")

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