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constraints_special_test.go
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package valix
import (
"encoding/json"
"fmt"
"testing"
"unicode"
"github.com/stretchr/testify/require"
)
func TestFailingConstraint(t *testing.T) {
validator := &Validator{
OrderedPropertyChecks: true,
Properties: Properties{
"foo": {
Order: 0,
Type: JsonAny,
Constraints: Constraints{
&FailingConstraint{},
&StringNotEmpty{},
},
},
"bar": {
Order: 1,
Type: JsonString,
},
},
}
obj := jsonObject(`{
"foo": "",
"bar": 1
}`)
ok, violations := validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 3, len(violations))
validator.Properties["foo"].Constraints[0].(*FailingConstraint).Stop = true
ok, violations = validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 2, len(violations))
validator.Properties["foo"].Constraints[0].(*FailingConstraint).StopAll = true
ok, violations = validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 1, len(violations))
}
func TestFailWhen(t *testing.T) {
validator := &Validator{
OrderedPropertyChecks: true,
Properties: Properties{
"foo": {
Order: 0,
Type: JsonString,
Constraints: Constraints{
&SetConditionFrom{},
&FailWhen{
Conditions: []string{"fail"},
},
},
},
"bar": {
Order: 1,
Type: JsonString,
},
},
}
obj := jsonObject(`{
"foo": "fail",
"bar": 1
}`)
ok, violations := validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 2, len(violations))
validator.Properties["foo"].Constraints[1].(*FailWhen).StopAll = true
ok, violations = validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 1, len(violations))
obj = jsonObject(`{
"foo": "ok"
}`)
ok, _ = validator.Validate(obj)
require.True(t, ok)
}
func TestFailWith(t *testing.T) {
constraint := &FailWith{
Others: MustParseExpression("(foo && bar) || (bar && baz)"),
}
validator := &Validator{
IgnoreUnknownProperties: true,
Properties: Properties{
"foo": {
Constraints: Constraints{
constraint,
&StringNotEmpty{},
},
},
},
}
obj := jsonObject(`{
"foo": "aaa",
"bar": "aaa"
}`)
ok, violations := validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 1, len(violations))
require.Equal(t, msgFailure, violations[0].Message)
require.Equal(t, "foo", violations[0].Property)
require.Equal(t, "", violations[0].Path)
obj = jsonObject(`{
"foo": "aaa",
"baz": "aaa"
}`)
ok, _ = validator.Validate(obj)
require.True(t, ok)
obj = jsonObject(`{
"foo": "",
"bar": "aaa"
}`)
ok, violations = validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 2, len(violations))
constraint.StopAll = true
ok, violations = validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 1, len(violations))
}
func TestSetConditionFromConstraint(t *testing.T) {
conditionWasSet := false
validator := &Validator{
Properties: Properties{
"foo": {
Type: JsonString,
NotNull: true,
Mandatory: true,
Constraints: Constraints{
&SetConditionFrom{},
NewCustomConstraint(func(value interface{}, vcx *ValidatorContext, this *CustomConstraint) (bool, string) {
conditionWasSet = vcx.IsCondition("TEST_CONDITION_TOKEN")
return true, ""
}, ""),
},
},
},
}
obj := map[string]interface{}{
"foo": "TEST_CONDITION_TOKEN",
}
ok, _ := validator.Validate(obj)
require.True(t, ok)
require.True(t, conditionWasSet)
obj["foo"] = "bar"
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.False(t, conditionWasSet)
}
func TestSetConditionFromConstraintWithMapping(t *testing.T) {
conditionWasSet := false
validator := &Validator{
Properties: Properties{
"foo": {
Type: JsonString,
NotNull: true,
Mandatory: true,
Constraints: Constraints{
&SetConditionFrom{
Mapping: map[string]string{
"TEST_CONDITION_TOKEN": "TEST_CONDITION_TOKEN2",
},
Prefix: "xxx-",
},
NewCustomConstraint(func(value interface{}, vcx *ValidatorContext, this *CustomConstraint) (bool, string) {
conditionWasSet = vcx.IsCondition("xxx-TEST_CONDITION_TOKEN2")
return true, ""
}, ""),
},
},
},
}
obj := map[string]interface{}{
"foo": "TEST_CONDITION_TOKEN",
}
ok, _ := validator.Validate(obj)
require.True(t, ok)
require.True(t, conditionWasSet)
obj["foo"] = "bar"
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.False(t, conditionWasSet)
}
func TestSetConditionFromConstraintOnParent(t *testing.T) {
conditionWasSet := false
validator := &Validator{
Properties: Properties{
"foo": {
Type: JsonString,
NotNull: true,
Mandatory: true,
Constraints: Constraints{
&SetConditionFrom{Parent: true},
NewCustomConstraint(func(value interface{}, vcx *ValidatorContext, this *CustomConstraint) (bool, string) {
conditionWasSet = vcx.pathStack[len(vcx.pathStack)-2].conditions["TEST_CONDITION_TOKEN"]
return true, ""
}, ""),
},
},
},
}
obj := map[string]interface{}{
"foo": "TEST_CONDITION_TOKEN",
}
ok, _ := validator.Validate(obj)
require.True(t, ok)
require.True(t, conditionWasSet)
obj["foo"] = "bar"
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.False(t, conditionWasSet)
}
func TestSetConditionFromConstraintGlobal(t *testing.T) {
conditionWasSet := false
validator := &Validator{
OrderedPropertyChecks: true,
Properties: Properties{
"foo": {
Order: 1,
Type: JsonObject,
NotNull: true,
Mandatory: true,
ObjectValidator: &Validator{
Properties: Properties{
"subFoo": {
Type: JsonObject,
NotNull: true,
Mandatory: true,
ObjectValidator: &Validator{
Properties: Properties{
"subSubFoo": {
Type: JsonString,
NotNull: true,
Mandatory: true,
Constraints: Constraints{
&SetConditionFrom{Global: true},
},
},
},
},
},
},
},
},
"bar": {
Order: 2,
Type: JsonString,
NotNull: true,
Mandatory: true,
Constraints: Constraints{
NewCustomConstraint(func(value interface{}, vcx *ValidatorContext, this *CustomConstraint) (bool, string) {
conditionWasSet = vcx.pathStack[len(vcx.pathStack)-2].conditions["TEST_CONDITION_TOKEN"]
return true, ""
}, ""),
},
},
},
}
obj := jsonObject(`{
"foo": {
"subFoo": {
"subSubFoo": "TEST_CONDITION_TOKEN"
}
},
"bar": "whatever"
}`)
ok, _ := validator.Validate(obj)
require.True(t, ok)
require.True(t, conditionWasSet)
obj = jsonObject(`{
"foo": {
"subFoo": {
"subSubFoo": "not set"
}
},
"bar": "whatever"
}`)
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.False(t, conditionWasSet)
}
func TestSetConditionFromNullsAndNonString(t *testing.T) {
var grabVcx *ValidatorContext
constraint := &SetConditionFrom{
Global: true,
}
validator := &Validator{
Constraints: Constraints{
NewCustomConstraint(func(value interface{}, vcx *ValidatorContext, this *CustomConstraint) (bool, string) {
grabVcx = vcx
return true, ""
}, ""),
},
Properties: Properties{
"foo": {
Type: JsonAny,
Constraints: Constraints{
constraint,
},
},
},
}
obj := jsonObject(`{"foo": null}`)
ok, _ := validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("null"))
constraint.NullToken = "foo_is_null"
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("foo_is_null"))
obj["foo"] = 1
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("1"))
constraint.Format = "is_%v"
constraint.Prefix = "foo_"
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("foo_is_1"))
}
func TestSetConditionPropertyConstraint(t *testing.T) {
validator := &Validator{
OrderedPropertyChecks: true,
Constraints: Constraints{
&SetConditionProperty{
PropertyName: "type",
},
},
Properties: Properties{
"type": {
Type: JsonString,
NotNull: true,
Mandatory: true,
Constraints: Constraints{
&StringValidToken{
Tokens: []string{"foo", "bar", "baz"},
},
},
},
"foo": {
Type: JsonString,
NotNull: true,
Mandatory: true,
WhenConditions: []string{"foo"},
},
"bar": {
Type: JsonString,
NotNull: true,
Mandatory: true,
WhenConditions: []string{"bar"},
},
"baz": {
Type: JsonString,
NotNull: true,
Mandatory: true,
WhenConditions: []string{"baz"},
},
},
}
// "bar":true should not be checked (even though it's incorrect type)...
obj := jsonObject(`{
"type": "foo",
"foo": "checked",
"bar": true
}`)
ok, violations := validator.Validate(obj)
require.True(t, ok)
require.Equal(t, 0, len(violations))
}
func TestSetConditionPropertyConstraintWithMapping(t *testing.T) {
validator := &Validator{
OrderedPropertyChecks: true,
Constraints: Constraints{
&SetConditionProperty{
PropertyName: "type",
Prefix: "xxx-",
Mapping: map[string]string{
"foo": "foo2",
"bar": "bar2",
"baz": "baz2",
},
},
},
Properties: Properties{
"type": {
Type: JsonString,
NotNull: true,
Mandatory: true,
Constraints: Constraints{
&StringValidToken{
Tokens: []string{"foo", "bar", "baz"},
},
},
},
"foo": {
Type: JsonString,
NotNull: true,
Mandatory: true,
WhenConditions: []string{"xxx-foo2"},
},
"bar": {
Type: JsonString,
NotNull: true,
Mandatory: true,
WhenConditions: []string{"xxx-bar2"},
},
"baz": {
Type: JsonString,
NotNull: true,
Mandatory: true,
WhenConditions: []string{"xxx-baz2"},
},
},
}
// "bar":true should not be checked (even though it's incorrect type)...
obj := jsonObject(`{
"type": "foo",
"foo": "checked",
"bar": true
}`)
ok, violations := validator.Validate(obj)
require.True(t, ok)
require.Equal(t, 0, len(violations))
}
func TestSetConditionProperty(t *testing.T) {
var grabVcx *ValidatorContext
constraint := &SetConditionProperty{
PropertyName: "foo",
}
validator := &Validator{
Constraints: Constraints{
constraint,
NewCustomConstraint(func(value interface{}, vcx *ValidatorContext, this *CustomConstraint) (bool, string) {
grabVcx = vcx
return true, ""
}, ""),
},
Properties: Properties{
"foo": {
Type: JsonAny,
},
},
}
obj := jsonObject(`{}`)
ok, _ := validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("missing"))
constraint.MissingToken = "not_there"
grabVcx = nil
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("not_there"))
obj["foo"] = nil
grabVcx = nil
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("null"))
obj["foo"] = 1
grabVcx = nil
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("1"))
constraint.Format = "is_%v"
grabVcx = nil
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("is_1"))
constraint.Prefix = "foo_"
grabVcx = nil
ok, _ = validator.Validate(obj)
require.True(t, ok)
require.NotNil(t, grabVcx)
require.True(t, grabVcx.IsCondition("foo_is_1"))
}
func TestVariablePropertyNameValidation(t *testing.T) {
obj := jsonObject(`{
"FOO": {
"amount": 123
},
"BAR": {
"amount": 345
}
}`)
ncv := &VariablePropertyConstraint{
NameConstraints: Constraints{
&StringValidToken{Tokens: []string{"FOO", "BAR", "BAZ", "QUX"}, Message: "BAD PROPERTY NAME"},
},
ObjectValidator: &Validator{
Properties: Properties{
"amount": {
Type: JsonInteger,
Mandatory: true,
NotNull: true,
},
},
},
}
v := &Validator{
IgnoreUnknownProperties: true,
Constraints: Constraints{
ncv,
},
}
ok, violations := v.Validate(obj)
require.True(t, ok)
require.Equal(t, 0, len(violations))
obj = jsonObject(`{
"FOO": {
"amount": null
},
"BAR": {
},
"BAZ": null,
"QUX": "this should be an object",
"XXX": {}
}`)
ok, violations = v.Validate(obj)
require.False(t, ok)
require.Equal(t, 5, len(violations))
SortViolationsByPathAndProperty(violations)
require.Equal(t, msgValueCannotBeNull, violations[0].Message)
require.Equal(t, "BAZ", violations[0].Property)
require.Equal(t, "", violations[0].Path)
require.Equal(t, CodeValueCannotBeNull, violations[0].Codes[0])
require.Equal(t, msgPropertyValueMustBeObject, violations[1].Message)
require.Equal(t, "QUX", violations[1].Property)
require.Equal(t, "", violations[1].Path)
require.Equal(t, CodePropertyValueMustBeObject, violations[1].Codes[0])
require.Equal(t, "BAD PROPERTY NAME", violations[2].Message)
require.Equal(t, "XXX", violations[2].Property)
require.Equal(t, "", violations[2].Path)
require.Equal(t, CodeInvalidPropertyName, violations[2].Codes[0])
require.Equal(t, msgMissingProperty, violations[3].Message)
require.Equal(t, "amount", violations[3].Property)
require.Equal(t, "BAR", violations[3].Path)
require.Equal(t, CodeMissingProperty, violations[3].Codes[0])
require.Equal(t, msgValueCannotBeNull, violations[4].Message)
require.Equal(t, "amount", violations[4].Property)
require.Equal(t, "FOO", violations[4].Path)
require.Equal(t, CodeValueCannotBeNull, violations[4].Codes[0])
// with defaulted message...
// (by placing NoMessage as message for any name validator - the default message is used)
ncv.NameConstraints[0] = &StringValidToken{Tokens: []string{"FOO", "BAR", "BAZ", "QUX"}, Message: NoMessage}
ok, violations = v.Validate(obj)
require.False(t, ok)
require.Equal(t, 5, len(violations))
SortViolationsByPathAndProperty(violations)
require.Equal(t, msgInvalidPropertyName, violations[2].Message)
require.Equal(t, "XXX", violations[2].Property)
require.Equal(t, "", violations[2].Path)
require.Equal(t, CodeInvalidPropertyName, violations[2].Codes[0])
// and again allowing nulls...
ncv.AllowNull = true
ok, violations = v.Validate(obj)
require.False(t, ok)
require.Equal(t, 4, len(violations))
}
func TestVariablePropertyNameValidationStopOnFirst(t *testing.T) {
obj := jsonObject(`{
"FOO": {
"amount": 123
},
"BAR": {
"amount": 345
}
}`)
ncv := &VariablePropertyConstraint{
NameConstraints: Constraints{
&StringValidToken{Tokens: []string{"FOO", "BAR", "BAZ", "QUX"}, Message: "BAD PROPERTY NAME"},
},
ObjectValidator: &Validator{
Properties: Properties{
"amount": {
Type: JsonInteger,
Mandatory: true,
NotNull: true,
},
},
},
}
v := &Validator{
IgnoreUnknownProperties: true,
StopOnFirst: true,
Constraints: Constraints{
ncv,
},
}
ok, violations := v.Validate(obj)
require.True(t, ok)
require.Equal(t, 0, len(violations))
obj = jsonObject(`{
"FOO": {
"amount": null
},
"BAR": {
},
"BAZ": null,
"QUX": "this should be an object",
"XXX": {}
}`)
ok, _ = v.Validate(obj)
require.False(t, ok)
}
func TestSetConditionOnType(t *testing.T) {
foundTypes := map[string]bool{}
foundTypesTestConstraint := NewCustomConstraint(func(value interface{}, vcx *ValidatorContext, this *CustomConstraint) (passed bool, message string) {
for k := range foundTypes {
delete(foundTypes, k)
}
for _, token := range conditionTypeTokens {
if vcx.IsCondition("type_" + token) {
foundTypes["type_"+token] = true
}
}
return true, ""
}, "")
validator := &Validator{
Properties: Properties{
"foo": {
Type: JsonAny,
Constraints: Constraints{
&SetConditionOnType{},
foundTypesTestConstraint,
},
},
},
}
testCases := []struct {
fooValue interface{}
expectFoundTypes []string
}{
{
nil,
[]string{"type_null"},
},
{
"a string",
[]string{"type_string"},
},
{
true,
[]string{"type_boolean"},
},
{
map[string]interface{}{},
[]string{"type_object"},
},
{
[]interface{}{},
[]string{"type_array"},
},
{
3,
[]string{"type_number", "type_integer"},
},
{
3.0,
[]string{"type_number"},
},
{
json.Number("3"),
[]string{"type_number", "type_integer"},
},
{
json.Number("3.0"),
[]string{"type_number"},
},
{
json.Number("NaN"),
[]string{"type_number", "type_nan"},
},
{
json.Number("Inf"),
[]string{"type_number", "type_inf"},
},
{
json.Number("xxx"),
[]string{"type_number", "type_invalid_number"},
},
{
struct{}{},
[]string{"type_unknown"},
},
}
obj := map[string]interface{}{}
for i, tc := range testCases {
t.Run(fmt.Sprintf("[%d]%v", i+1, tc.fooValue), func(t *testing.T) {
obj["foo"] = tc.fooValue
ok, _ := validator.Validate(obj)
require.True(t, ok)
okTypes := map[string]bool{}
for _, ft := range tc.expectFoundTypes {
require.True(t, foundTypes[ft])
okTypes[ft[5:]] = true
}
for _, other := range conditionTypeTokens {
if !okTypes[other] {
require.False(t, foundTypes["type_"+other])
}
}
})
}
}
func TestSetConditionOnTypeWithFailingWhen(t *testing.T) {
validator := &Validator{
UseNumber: true,
Properties: Properties{
"foo": {
Type: JsonNumber,
Mandatory: true,
NotNull: true,
Constraints: Constraints{
&SetConditionOnType{},
&FailWhen{
Conditions: Conditions{"type_invalid_number", "type_nan", "type_inf"},
Message: "Must not NaN or Inf",
},
},
},
},
}
obj := jsonObject(`{"foo": 1}`)
ok, _ := validator.Validate(obj)
require.True(t, ok)
obj["foo"] = json.Number("NaN")
ok, violations := validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 1, len(violations))
require.Equal(t, "Must not NaN or Inf", violations[0].Message)
obj["foo"] = json.Number("Inf")
ok, violations = validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 1, len(violations))
require.Equal(t, "Must not NaN or Inf", violations[0].Message)
obj["foo"] = json.Number("+Inf")
ok, violations = validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 1, len(violations))
require.Equal(t, "Must not NaN or Inf", violations[0].Message)
obj["foo"] = json.Number("xxx")
ok, violations = validator.Validate(obj)
require.False(t, ok)
require.Equal(t, 1, len(violations))
require.Equal(t, fmt.Sprintf(fmtMsgValueExpectedType, "number"), violations[0].Message)
}
func TestArrayConditionalConstraint(t *testing.T) {
// also tests array pathing!!!
v := &Validator{
Properties: Properties{
"foo": {
Type: JsonArray,
Constraints: Constraints{
&Length{Minimum: 1},
},
ObjectValidator: &Validator{
AllowArray: true,
DisallowObject: true,
Properties: Properties{
"bar": {
Type: JsonString,
Mandatory: true,
Constraints: Constraints{
&ArrayConditionalConstraint{
When: "!first",
Constraint: &StringGreaterThanOther{
PropertyName: "..[-1].bar",
},
},
&ArrayConditionalConstraint{
When: "!last",
Constraint: &StringLessThanOther{
PropertyName: "..[+1].bar",
},
},
&ArrayConditionalConstraint{
When: "first",
Constraint: &StringLessThanOther{
PropertyName: "..[+1].bar",
},
},
&ArrayConditionalConstraint{
When: "last",
Constraint: &StringGreaterThanOther{
PropertyName: "..[-1].bar",
},
},
&ArrayConditionalConstraint{
When: ">0",
Constraint: &StringGreaterThanOther{
PropertyName: "..[-1].bar",
},
},
&ArrayConditionalConstraint{
When: "<1",
Constraint: &StringLessThanOther{
PropertyName: "..[+1].bar",
},
},
&ArrayConditionalConstraint{
When: "0",
Constraint: &StringLessThanOther{
PropertyName: "..[+1].bar",
},
},
&ArrayConditionalConstraint{
When: "%2",
Constraint: &StringLessThanOther{
PropertyName: "..[+1].bar",
},
},
},
},
"qux": {
Type: JsonArray,
Mandatory: true,
ObjectValidator: &Validator{
AllowArray: true,
DisallowObject: true,
Properties: Properties{
"foo": {
Type: JsonString,
Constraints: Constraints{
&ArrayConditionalConstraint{
When: "!first",
Constraint: &StringGreaterThanOther{
PropertyName: "..[-1].foo",
},
},
&StringGreaterThanOther{
PropertyName: "....[0].bar",
},
&StringGreaterThanOrEqualOther{
PropertyName: "....[0].qux[0].foo",
},
},
},
},
},
},
},
},
},
},
}
obj := jsonObject(`{
"foo": [
{
"bar": "A",
"qux": [
{
"foo": "AA"
},
{
"foo": "AB"
}
]
},
{
"bar": "B",
"qux": [
{
"foo": "BA"
}
]
},
{
"bar": "C",
"qux": [
{
"foo": "CA"
}
]
},
{
"bar": "D",
"qux": [
{
"foo": "DA"
}
]
}
]
}`)
ok, violations := v.Validate(obj)
require.True(t, ok)
require.Equal(t, 0, len(violations))
}
func TestConditionalConstraint_When(t *testing.T) {
v := &Validator{
IgnoreUnknownProperties: true,
Properties: Properties{
"foo": {
Type: JsonString,
Mandatory: true,
Constraints: Constraints{
&ConditionalConstraint{
Constraint: &StringNotBlank{},
When: Conditions{"METHOD_POST"},
},
},
},
},
}
obj := jsonObject(`{
"foo": ""
}`)
ok, violations := v.Validate(obj)
require.True(t, ok)
require.Equal(t, 0, len(violations))
ok, violations = v.Validate(obj, "METHOD_POST")
require.False(t, ok)
require.Equal(t, 1, len(violations))
require.Equal(t, msgNotBlankString, violations[0].Message)
require.Equal(t, "foo", violations[0].Property)
require.Equal(t, "", violations[0].Path)
}
func TestConditionalConstraint_Others(t *testing.T) {
v := &Validator{
IgnoreUnknownProperties: true,
Properties: Properties{
"foo": {
Type: JsonString,