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validator_test.go
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package valigo
import (
"context"
"fmt"
"reflect"
"regexp"
"testing"
"github.com/google/uuid"
"github.com/insei/valigo/shared"
)
type Sender struct {
Type string
SMTPHost string
SMTPPort string
SMTPInt int
HTTPAddress string
HTTPDestParam string
PtrString *string
}
func createSender() *Sender {
ptr := uuid.New().String()
return &Sender{
Type: "SMTP",
SMTPHost: uuid.New().String() + " ",
SMTPPort: uuid.New().String() + " ",
SMTPInt: 10,
HTTPAddress: uuid.New().String() + " ",
HTTPDestParam: uuid.New().String() + " ",
PtrString: &ptr,
}
}
var (
validator = New()
initialized = false
sender = createSender()
ctx = context.Background()
)
func benchValidateInit() {
if initialized {
return
}
initialized = true
Configure[Sender](validator, func(builder Configurator[Sender], temp *Sender) {
builder.String(&temp.HTTPDestParam).Custom(func(ctx context.Context, h *shared.FieldCustomHelper, value any) []shared.Error {
v := *value.(*string)
if len(v) < 20 {
return []shared.Error{h.ErrorT(ctx, v, "Should be longer than 20 characters")}
}
return nil
})
// Custom validation on struct gives 1 alloc per operation
//builder.Custom(func(ctx context.Context, h shared.StructCustomHelper, obj *Sender) []shared.Error {
// if obj.Type == "" {
// return []shared.Error{h.ErrorT(ctx, &obj.Type, obj.Type, "Should be fulfilled")}
// }
// return nil
//})
smtpValidator := builder.When(func(_ context.Context, obj *Sender) bool {
return obj.Type == "SMTP"
})
smtpValidator.String(&temp.SMTPHost).Trim().Required()
smtpValidator.String(&temp.SMTPPort).Trim().Required()
smtpValidator.Number(&temp.SMTPInt).Max(20)
builder.String(&temp.PtrString).Trim().Required()
//builder.Custom(func(ctx context.Context, h shared.StructCustomHelper, obj *Sender) []shared.Error {
// h.ErrorT(ctx)
//})
httpValidator := builder.When(func(_ context.Context, temp *Sender) bool {
return temp.Type == "HTTP"
})
httpValidator.String(&temp.HTTPAddress).Trim().Required()
httpValidator.String(&temp.HTTPDestParam).Trim().Required()
})
}
func BenchmarkValidate(b *testing.B) {
// initialize validation rules only one at bench start
benchValidateInit()
for i := 0; i < b.N; i++ {
_ = validator.Validate(ctx, sender)
}
}
func TestValidatorValidateTyped(t *testing.T) {
tests := []struct {
name string
obj any
validator func(ctx context.Context, h shared.Helper, obj any) []shared.Error
expectedErrs int
}{
{
name: "single error",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return []shared.Error{{Message: "test error"}}
},
expectedErrs: 1,
},
{
name: "multiple errors",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return []shared.Error{{Message: "test error 1"}, {Message: "test error 2"}}
},
expectedErrs: 2,
},
{
name: "no errors",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return nil
},
expectedErrs: 0,
},
{
name: "nil validator",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return nil
},
expectedErrs: 0,
},
{
name: "validator returns empty slice",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return []shared.Error{}
},
expectedErrs: 0,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
v := New()
v.storage.validators[reflect.TypeOf(test.obj)] = []structValidationFn{test.validator}
errs := v.ValidateTyped(context.Background(), test.obj)
if len(errs) != test.expectedErrs {
t.Errorf("expected %d errors, got %d", test.expectedErrs, len(errs))
}
})
}
}
func TestValidatorValidate(t *testing.T) {
tests := []struct {
name string
obj any
validator func(ctx context.Context, h shared.Helper, obj any) []shared.Error
transformError func(errs []shared.Error) []error
expectedErrs int
}{
{
name: "single error",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return []shared.Error{{Message: "test error"}}
},
expectedErrs: 1,
},
{
name: "multiple errors",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return []shared.Error{{Message: "test error 1"}, {Message: "test error 2"}}
},
expectedErrs: 2,
},
{
name: "no errors",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return nil
},
expectedErrs: 0,
},
{
name: "nil validator",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return nil
},
expectedErrs: 0,
},
{
name: "validator returns empty slice",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return []shared.Error{}
},
expectedErrs: 0,
},
{
name: "transform error",
obj: struct{}{},
validator: func(ctx context.Context, h shared.Helper, obj any) []shared.Error {
return []shared.Error{{Message: "test error"}}
},
transformError: func(errs []shared.Error) []error {
return []error{fmt.Errorf("transformed error")}
},
expectedErrs: 1,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
v := New()
v.storage.validators[reflect.TypeOf(test.obj)] = []structValidationFn{test.validator}
if test.transformError != nil {
v.transformError = test.transformError
}
errs := v.Validate(context.Background(), test.obj)
if len(errs) != test.expectedErrs {
t.Errorf("expected %d errors, got %d", test.expectedErrs, len(errs))
}
})
}
}
func TestValidatorGetHelper(t *testing.T) {
v := New()
h := v.GetHelper()
if h == nil {
t.Errorf("expected helper to not be nil")
}
}
func TestNewValidator(t *testing.T) {
v := New()
if v.storage == nil {
t.Errorf("expected storage to not be nil")
}
if v.helper == nil {
t.Errorf("expected helper to not be nil")
}
}
func TestConfigure(t *testing.T) {
str := "ptr-string"
ptrString := &str
re := regexp.MustCompile(`SMTP`)
tests := []struct {
name string
sender *Sender
expectedError bool
}{
{
name: " sender invalid",
sender: &Sender{
Type: "SMTP",
SMTPHost: "example.com",
SMTPPort: "25",
PtrString: ptrString,
HTTPDestParam: "test",
},
expectedError: true,
},
{
name: "sender valid",
sender: &Sender{
Type: "SMTP",
SMTPHost: "example.com",
SMTPPort: "25",
PtrString: ptrString,
HTTPDestParam: uuid.New().String(),
},
expectedError: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
Configure[Sender](validator, func(builder Configurator[Sender], temp *Sender) {
builder.String(&temp.HTTPDestParam).Custom(func(ctx context.Context, h *shared.FieldCustomHelper, value any) []shared.Error {
v := *value.(*string)
if len(v) < 20 {
return []shared.Error{h.ErrorT(ctx, v, "Should be longer than 20 characters")}
}
return nil
})
smtpValidator := builder.When(func(_ context.Context, obj *Sender) bool {
return obj.Type == "SMTP"
})
smtpValidator.String(&temp.SMTPHost).Trim().Required()
smtpValidator.String(&temp.SMTPPort).Trim().Required()
builder.String(&temp.PtrString).Trim().Required()
httpValidator := builder.When(func(_ context.Context, temp *Sender) bool {
return temp.Type == "HTTP"
})
httpValidator.String(&temp.HTTPAddress).Trim().Required()
httpValidator.String(&temp.HTTPDestParam).Trim().Required()
httpValidator.String(&temp.Type).Trim().Regexp(re).MaxLen(5).MinLen(3)
})
errs := validator.Validate(context.Background(), tt.sender)
if tt.expectedError && !(errs != nil && len(errs) > 0) {
t.Errorf("expected error, got nil")
} else if !tt.expectedError && (errs != nil && len(errs) > 0) {
t.Errorf("expected no error, got %v", errs)
}
})
}
}