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cloudkeys-go/vendor/gopkg.in/validator.v2/validator_test.go
Knut Ahlers 7581358922
Switch to dep for vendoring, update dependencies
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2017-12-08 13:03:10 +01:00

517 lines
12 KiB
Go

// Package validator implements value validations
//
// Copyright 2014 Roberto Teixeira <robteix@robteix.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package validator_test
import (
"reflect"
"testing"
. "gopkg.in/check.v1"
"gopkg.in/validator.v2"
)
func Test(t *testing.T) {
TestingT(t)
}
type MySuite struct{}
var _ = Suite(&MySuite{})
type Simple struct {
A int `validate:"min=10"`
}
type I interface {
Foo() string
}
type Impl struct {
F string `validate:"len=3"`
}
func (this *Impl) Foo() string {
return this.F
}
type TestStruct struct {
A int `validate:"nonzero"`
B string `validate:"len=8,min=6,max=4"`
Sub struct {
A int `validate:"nonzero"`
B string
C float64 `validate:"nonzero,min=1"`
D *string `validate:"nonzero"`
}
D *Simple `validate:"nonzero"`
E I `validate:nonzero`
}
func (ms *MySuite) TestValidate(c *C) {
t := TestStruct{
A: 0,
B: "12345",
}
t.Sub.A = 1
t.Sub.B = ""
t.Sub.C = 0.0
t.D = &Simple{10}
t.E = &Impl{"hello"}
err := validator.Validate(t)
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs["A"], HasError, validator.ErrZeroValue)
c.Assert(errs["B"], HasError, validator.ErrLen)
c.Assert(errs["B"], HasError, validator.ErrMin)
c.Assert(errs["B"], HasError, validator.ErrMax)
c.Assert(errs["Sub.A"], HasLen, 0)
c.Assert(errs["Sub.B"], HasLen, 0)
c.Assert(errs["Sub.C"], HasLen, 2)
c.Assert(errs["Sub.D"], HasError, validator.ErrZeroValue)
c.Assert(errs["E.F"], HasError, validator.ErrLen)
}
func (ms *MySuite) TestValidSlice(c *C) {
s := make([]int, 0, 10)
err := validator.Valid(s, "nonzero")
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrZeroValue)
for i := 0; i < 10; i++ {
s = append(s, i)
}
err = validator.Valid(s, "min=11,max=5,len=9,nonzero")
c.Assert(err, NotNil)
errs, ok = err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrMin)
c.Assert(errs, HasError, validator.ErrMax)
c.Assert(errs, HasError, validator.ErrLen)
c.Assert(errs, Not(HasError), validator.ErrZeroValue)
}
func (ms *MySuite) TestValidMap(c *C) {
m := make(map[string]string)
err := validator.Valid(m, "nonzero")
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrZeroValue)
err = validator.Valid(m, "min=1")
c.Assert(err, NotNil)
errs, ok = err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrMin)
m = map[string]string{"A": "a", "B": "a"}
err = validator.Valid(m, "max=1")
c.Assert(err, NotNil)
errs, ok = err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrMax)
err = validator.Valid(m, "min=2, max=5")
c.Assert(err, IsNil)
m = map[string]string{
"1": "a",
"2": "b",
"3": "c",
"4": "d",
"5": "e",
}
err = validator.Valid(m, "len=4,min=6,max=1,nonzero")
c.Assert(err, NotNil)
errs, ok = err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrLen)
c.Assert(errs, HasError, validator.ErrMin)
c.Assert(errs, HasError, validator.ErrMax)
c.Assert(errs, Not(HasError), validator.ErrZeroValue)
}
func (ms *MySuite) TestValidFloat(c *C) {
err := validator.Valid(12.34, "nonzero")
c.Assert(err, IsNil)
err = validator.Valid(0.0, "nonzero")
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrZeroValue)
}
func (ms *MySuite) TestValidInt(c *C) {
i := 123
err := validator.Valid(i, "nonzero")
c.Assert(err, IsNil)
err = validator.Valid(i, "min=1")
c.Assert(err, IsNil)
err = validator.Valid(i, "min=124, max=122")
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrMin)
c.Assert(errs, HasError, validator.ErrMax)
err = validator.Valid(i, "max=10")
c.Assert(err, NotNil)
errs, ok = err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrMax)
}
func (ms *MySuite) TestValidString(c *C) {
s := "test1234"
err := validator.Valid(s, "len=8")
c.Assert(err, IsNil)
err = validator.Valid(s, "len=0")
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasError, validator.ErrLen)
err = validator.Valid(s, "regexp=^[tes]{4}.*")
c.Assert(err, IsNil)
err = validator.Valid(s, "regexp=^.*[0-9]{5}$")
c.Assert(errs, NotNil)
err = validator.Valid("", "nonzero,len=3,max=1")
c.Assert(err, NotNil)
errs, ok = err.(validator.ErrorArray)
c.Assert(ok, Equals, true)
c.Assert(errs, HasLen, 2)
c.Assert(errs, HasError, validator.ErrZeroValue)
c.Assert(errs, HasError, validator.ErrLen)
c.Assert(errs, Not(HasError), validator.ErrMax)
}
func (ms *MySuite) TestValidateStructVar(c *C) {
// just verifies that a the given val is a struct
validator.SetValidationFunc("struct", func(val interface{}, _ string) error {
v := reflect.ValueOf(val)
if v.Kind() == reflect.Struct {
return nil
}
return validator.ErrUnsupported
})
type test struct {
A int
}
err := validator.Valid(test{}, "struct")
c.Assert(err, IsNil)
type test2 struct {
B int
}
type test1 struct {
A test2 `validate:"struct"`
}
err = validator.Validate(test1{})
c.Assert(err, IsNil)
type test4 struct {
B int `validate:"foo"`
}
type test3 struct {
A test4
}
err = validator.Validate(test3{})
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs["A.B"], HasError, validator.ErrUnknownTag)
}
func (ms *MySuite) TestValidatePointerVar(c *C) {
// just verifies that a the given val is a struct
validator.SetValidationFunc("struct", func(val interface{}, _ string) error {
v := reflect.ValueOf(val)
if v.Kind() == reflect.Struct {
return nil
}
return validator.ErrUnsupported
})
validator.SetValidationFunc("nil", func(val interface{}, _ string) error {
v := reflect.ValueOf(val)
if v.IsNil() {
return nil
}
return validator.ErrUnsupported
})
type test struct {
A int
}
err := validator.Valid(&test{}, "struct")
c.Assert(err, IsNil)
type test2 struct {
B int
}
type test1 struct {
A *test2 `validate:"struct"`
}
err = validator.Validate(&test1{&test2{}})
c.Assert(err, IsNil)
type test4 struct {
B int `validate:"foo"`
}
type test3 struct {
A test4
}
err = validator.Validate(&test3{})
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs["A.B"], HasError, validator.ErrUnknownTag)
err = validator.Valid((*test)(nil), "nil")
c.Assert(err, IsNil)
type test5 struct {
A *test2 `validate:"nil"`
}
err = validator.Validate(&test5{})
c.Assert(err, IsNil)
type test6 struct {
A *test2 `validate:"nonzero"`
}
err = validator.Validate(&test6{})
errs, ok = err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs["A"], HasError, validator.ErrZeroValue)
err = validator.Validate(&test6{&test2{}})
c.Assert(err, IsNil)
}
func (ms *MySuite) TestValidateOmittedStructVar(c *C) {
type test2 struct {
B int `validate:"min=1"`
}
type test1 struct {
A test2 `validate:"-"`
}
t := test1{}
err := validator.Validate(t)
c.Assert(err, IsNil)
errs := validator.Valid(test2{}, "-")
c.Assert(errs, IsNil)
}
func (ms *MySuite) TestUnknownTag(c *C) {
type test struct {
A int `validate:"foo"`
}
t := test{}
err := validator.Validate(t)
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs, HasLen, 1)
c.Assert(errs["A"], HasError, validator.ErrUnknownTag)
}
func (ms *MySuite) TestValidateStructWithSlice(c *C) {
type test2 struct {
Num int `validate:"max=2"`
String string `validate:"nonzero"`
}
type test struct {
Slices []test2 `validate:"len=1"`
}
t := test{
Slices: []test2{{
Num: 6,
String: "foo",
}},
}
err := validator.Validate(t)
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs["Slices[0].Num"], HasError, validator.ErrMax)
c.Assert(errs["Slices[0].String"], IsNil) // sanity check
}
func (ms *MySuite) TestValidateStructWithNestedSlice(c *C) {
type test2 struct {
Num int `validate:"max=2"`
}
type test struct {
Slices [][]test2
}
t := test{
Slices: [][]test2{{{Num: 6}}},
}
err := validator.Validate(t)
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs["Slices[0][0].Num"], HasError, validator.ErrMax)
}
func (ms *MySuite) TestValidateStructWithMap(c *C) {
type test2 struct {
Num int `validate:"max=2"`
}
type test struct {
Map map[string]test2
StructKeyMap map[test2]test2
}
t := test{
Map: map[string]test2{
"hello": {Num: 6},
},
StructKeyMap: map[test2]test2{
{Num: 3}: {Num: 1},
},
}
err := validator.Validate(t)
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs["Map[hello](value).Num"], HasError, validator.ErrMax)
c.Assert(errs["StructKeyMap[{Num:3}](key).Num"], HasError, validator.ErrMax)
}
func (ms *MySuite) TestUnsupported(c *C) {
type test struct {
A int `validate:"regexp=a.*b"`
B float64 `validate:"regexp=.*"`
}
t := test{}
err := validator.Validate(t)
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs, HasLen, 2)
c.Assert(errs["A"], HasError, validator.ErrUnsupported)
c.Assert(errs["B"], HasError, validator.ErrUnsupported)
}
func (ms *MySuite) TestBadParameter(c *C) {
type test struct {
A string `validate:"min="`
B string `validate:"len=="`
C string `validate:"max=foo"`
}
t := test{}
err := validator.Validate(t)
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs, HasLen, 3)
c.Assert(errs["A"], HasError, validator.ErrBadParameter)
c.Assert(errs["B"], HasError, validator.ErrBadParameter)
c.Assert(errs["C"], HasError, validator.ErrBadParameter)
}
func (ms *MySuite) TestCopy(c *C) {
v := validator.NewValidator()
// WithTag calls copy, so we just copy the validator with the same tag
v2 := v.WithTag("validate")
// now we add a custom func only to the second one, it shouldn't get added
// to the first
v2.SetValidationFunc("custom", func(_ interface{}, _ string) error { return nil })
type test struct {
A string `validate:"custom"`
}
err := v2.Validate(test{})
c.Assert(err, IsNil)
err = v.Validate(test{})
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs, HasLen, 1)
c.Assert(errs["A"], HasError, validator.ErrUnknownTag)
}
func (ms *MySuite) TestTagEscape(c *C) {
type test struct {
A string `validate:"min=0,regexp=^a{3\\,10}"`
}
t := test{"aaaa"}
err := validator.Validate(t)
c.Assert(err, IsNil)
t2 := test{"aa"}
err = validator.Validate(t2)
c.Assert(err, NotNil)
errs, ok := err.(validator.ErrorMap)
c.Assert(ok, Equals, true)
c.Assert(errs["A"], HasError, validator.ErrRegexp)
}
type hasErrorChecker struct {
*CheckerInfo
}
func (c *hasErrorChecker) Check(params []interface{}, names []string) (bool, string) {
var (
ok bool
slice []error
value error
)
slice, ok = params[0].(validator.ErrorArray)
if !ok {
return false, "First parameter is not an Errorarray"
}
value, ok = params[1].(error)
if !ok {
return false, "Second parameter is not an error"
}
for _, v := range slice {
if v == value {
return true, ""
}
}
return false, ""
}
func (c *hasErrorChecker) Info() *CheckerInfo {
return c.CheckerInfo
}
var HasError = &hasErrorChecker{&CheckerInfo{Name: "HasError", Params: []string{"HasError", "expected to contain"}}}