Introduced ErrNotValid

models/forgefed/federationhost_repository.go

@@ -25,7 +25,7 @@ func GetFederationHost(ctx context.Context, ID int64) (*FederationHost, error) {
 		return nil, fmt.Errorf("FederationInfo record %v does not exist", ID)
 	}
 	if res, err := validation.IsValid(host); !res {
-		return nil, fmt.Errorf("FederationInfo is not valid: %v", err)
+		return nil, err
 	}
 	return host, nil
 }
@@ -39,14 +39,14 @@ func FindFederationHostByFqdn(ctx context.Context, fqdn string) (*FederationHost
 		return nil, nil
 	}
 	if res, err := validation.IsValid(host); !res {
-		return nil, fmt.Errorf("FederationInfo is not valid: %v", err)
+		return nil, err
 	}
 	return host, nil
 }
 
 func CreateFederationHost(ctx context.Context, host *FederationHost) error {
 	if res, err := validation.IsValid(host); !res {
-		return fmt.Errorf("FederationInfo is not valid: %v", err)
+		return err
 	}
 	_, err := db.GetEngine(ctx).Insert(host)
 	return err
@@ -54,7 +54,7 @@ func CreateFederationHost(ctx context.Context, host *FederationHost) error {
 
 func UpdateFederationHost(ctx context.Context, host *FederationHost) error {
 	if res, err := validation.IsValid(host); !res {
-		return fmt.Errorf("FederationInfo is not valid: %v", err)
+		return err
 	}
 	_, err := db.GetEngine(ctx).ID(host.ID).Update(host)
 	return err

models/forgefed/nodeinfo_test.go

@@ -6,6 +6,7 @@ package forgefed
 import (
 	"fmt"
 	"reflect"
+	"strings"
 	"testing"
 
 	"code.gitea.io/gitea/modules/validation"
@@ -52,12 +53,14 @@ func Test_NodeInfoWellKnownValidate(t *testing.T) {
 	}
 
 	sut = NodeInfoWellKnown{Href: "./federated-repo.prod.meissa.de/api/v1/nodeinfo"}
-	if _, err := validation.IsValid(sut); err.Error() != "Href has to be absolute\nValue  is not contained in allowed values [http https]" {
+	_, err := validation.IsValid(sut)
+	if !validation.IsErrNotValid(err) && strings.Contains(err.Error(), "Href has to be absolute\nValue  is not contained in allowed values [http https]") {
 		t.Errorf("validation error expected but was: %v\n", err)
 	}
 
 	sut = NodeInfoWellKnown{Href: "https://federated-repo.prod.meissa.de/api/v1/nodeinfo?alert=1"}
-	if _, err := validation.IsValid(sut); err.Error() != "Href may not contain query" {
+	_, err = validation.IsValid(sut)
+	if !validation.IsErrNotValid(err) && strings.Contains(err.Error(), "Href has to be absolute\nValue  is not contained in allowed values [http https]") {
 		t.Errorf("sut should be valid, %v, %v", sut, err)
 	}
 }

models/repo/repo_repository.go

@@ -5,7 +5,6 @@ package repo
 
 import (
 	"context"
-	"fmt"
 
 	"code.gitea.io/gitea/models/db"
 	"code.gitea.io/gitea/modules/validation"
@@ -26,7 +25,7 @@ func FindFollowingReposByRepoID(ctx context.Context, repoID int64) ([]*Following
 	}
 	for _, followingRepo := range followingRepoList {
 		if res, err := validation.IsValid(*followingRepo); !res {
-			return make([]*FollowingRepo, 0, maxFollowingRepos), fmt.Errorf("FederationInfo is not valid: %v", err)
+			return make([]*FollowingRepo, 0, maxFollowingRepos), err
 		}
 	}
 	return followingRepoList, nil
@@ -35,7 +34,7 @@ func FindFollowingReposByRepoID(ctx context.Context, repoID int64) ([]*Following
 func StoreFollowingRepos(ctx context.Context, localRepoID int64, followingRepoList []*FollowingRepo) error {
 	for _, followingRepo := range followingRepoList {
 		if res, err := validation.IsValid(*followingRepo); !res {
-			return fmt.Errorf("FederationInfo is not valid: %v", err)
+			return err
 		}
 	}
 

models/user/user_repository.go

@@ -18,7 +18,7 @@ func init() {
 
 func CreateFederatedUser(ctx context.Context, user *User, federatedUser *FederatedUser) error {
 	if res, err := validation.IsValid(user); !res {
-		return fmt.Errorf("User is not valid: %v", err)
+		return err
 	}
 	overwrite := CreateUserOverwriteOptions{
 		IsActive:     optional.Some(false),
@@ -38,7 +38,7 @@ func CreateFederatedUser(ctx context.Context, user *User, federatedUser *Federat
 
 	federatedUser.UserID = user.ID
 	if res, err := validation.IsValid(federatedUser); !res {
-		return fmt.Errorf("FederatedUser is not valid: %v", err)
+		return err
 	}
 
 	_, err = db.GetEngine(ctx).Insert(federatedUser)
@@ -69,10 +69,10 @@ func FindFederatedUser(ctx context.Context, externalID string,
 	}
 
 	if res, err := validation.IsValid(*user); !res {
-		return nil, nil, fmt.Errorf("FederatedUser is not valid: %v", err)
+		return nil, nil, err
 	}
 	if res, err := validation.IsValid(*federatedUser); !res {
-		return nil, nil, fmt.Errorf("FederatedUser is not valid: %v", err)
+		return nil, nil, err
 	}
 	return user, federatedUser, nil
 }

modules/forgefed/actor.go

@@ -32,8 +32,8 @@ func NewActorID(uri string) (ActorID, error) {
 		return ActorID{}, err
 	}
 
-	if valid, outcome := validation.IsValid(result); !valid {
-		return ActorID{}, outcome
+	if valid, err := validation.IsValid(result); !valid {
+		return ActorID{}, err
 	}
 
 	return result, nil
@@ -83,8 +83,8 @@ func NewPersonID(uri, source string) (PersonID, error) {
 
 	// validate Person specific path
 	personID := PersonID{result}
-	if valid, outcome := validation.IsValid(personID); !valid {
-		return PersonID{}, outcome
+	if valid, err := validation.IsValid(personID); !valid {
+		return PersonID{}, err
 	}
 
 	return personID, nil
@@ -137,8 +137,8 @@ func NewRepositoryID(uri, source string) (RepositoryID, error) {
 
 	// validate Person specific path
 	repoID := RepositoryID{result}
-	if valid, outcome := validation.IsValid(repoID); !valid {
-		return RepositoryID{}, outcome
+	if valid, err := validation.IsValid(repoID); !valid {
+		return RepositoryID{}, err
 	}
 
 	return repoID, nil

modules/forgefed/actor_test.go

@@ -92,7 +92,9 @@ func TestPersonIdValidation(t *testing.T) {
 	sut.Host = "an.other.host"
 	sut.Port = ""
 	sut.UnvalidatedInput = "https://an.other.host/path/1"
-	if _, err := validation.IsValid(sut); err.Error() != "path: \"path\" has to be a person specific api path" {
+
+	_, err := validation.IsValid(sut)
+	if validation.IsErrNotValid(err) && strings.Contains(err.Error(), "path: \"path\" has to be a person specific api path\n") {
 		t.Errorf("validation error expected but was: %v\n", err)
 	}
 

modules/validation/validatable.go

@@ -6,20 +6,37 @@ package validation
 
 import (
 	"fmt"
+	"reflect"
 	"strings"
 	"unicode/utf8"
 
 	"code.gitea.io/gitea/modules/timeutil"
 )
 
+// ErrNotValid represents an validation error
+type ErrNotValid struct {
+	Message string
+}
+
+func (err ErrNotValid) Error() string {
+	return fmt.Sprintf("Validation Error: %v", err.Message)
+}
+
+// IsErrNotValid checks if an error is a ErrNotValid.
+func IsErrNotValid(err error) bool {
+	_, ok := err.(ErrNotValid)
+	return ok
+}
+
 type Validateable interface {
 	Validate() []string
 }
 
 func IsValid(v Validateable) (bool, error) {
 	if err := v.Validate(); len(err) > 0 {
+		typeof := reflect.TypeOf(v)
 		errString := strings.Join(err, "\n")
-		return false, fmt.Errorf(errString)
+		return false, ErrNotValid{fmt.Sprint(typeof, ": ", errString)}
 	}
 
 	return true, nil

modules/validation/validatable_test.go

@@ -26,9 +26,13 @@ func Test_IsValid(t *testing.T) {
 		t.Errorf("sut expected to be valid: %v\n", sut.Validate())
 	}
 	sut = Sut{valid: false}
-	if res, _ := IsValid(sut); res {
+	res, err := IsValid(sut)
+	if res {
 		t.Errorf("sut expected to be invalid: %v\n", sut.Validate())
 	}
+	if err == nil || !IsErrNotValid(err) || err.Error() != "Validation Error: validation.Sut: invalid" {
+		t.Errorf("validation error expected, but was %v", err)
+	}
 }
 
 func Test_ValidateNotEmpty_ForString(t *testing.T) {