feat: add domain sdk tests

Signed-off-by: 1998-felix <felix.gateru@gmail.com>

auth/api/http/domains/endpoint_test.go

@@ -1056,7 +1056,7 @@ func TestAssignDomainUsers(t *testing.T) {
 			contentType: contentType,
 			token:       validToken,
 			status:      http.StatusBadRequest,
-			err:         apiutil.ErrMalformedPolicy,
+			err:         apiutil.ErrMissingRelation,
 		},
 	}
 

auth/api/http/domains/requests.go

@@ -175,11 +175,11 @@ func (req assignUsersReq) validate() error {
 	}
 
 	if len(req.UserIDs) == 0 {
-		return apiutil.ErrMalformedPolicy
+		return apiutil.ErrMissingID
 	}
 
 	if req.Relation == "" {
-		return apiutil.ErrMalformedPolicy
+		return apiutil.ErrMissingRelation
 	}
 
 	return nil
@@ -202,7 +202,7 @@ func (req unassignUsersReq) validate() error {
 	}
 
 	if len(req.UserIDs) == 0 {
-		return apiutil.ErrMalformedPolicy
+		return apiutil.ErrMissingID
 	}
 
 	return nil

pkg/sdk/go/domains.go

@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"time"
 
+	"github.com/absmach/magistrala/internal/apiutil"
 	"github.com/absmach/magistrala/pkg/errors"
 )
 
@@ -56,6 +57,9 @@ func (sdk mgSDK) UpdateDomain(domain Domain, token string) (Domain, errors.SDKEr
 		return Domain{}, errors.NewSDKError(err)
 	}
 
+	if domain.ID == "" {
+		return Domain{}, errors.NewSDKError(apiutil.ErrMissingID)
+	}
 	url := fmt.Sprintf("%s/%s/%s", sdk.domainsURL, domainsEndpoint, domain.ID)
 
 	_, body, sdkerr := sdk.processRequest(http.MethodPatch, url, token, data, nil, http.StatusOK)
@@ -71,6 +75,9 @@ func (sdk mgSDK) UpdateDomain(domain Domain, token string) (Domain, errors.SDKEr
 }
 
 func (sdk mgSDK) Domain(domainID, token string) (Domain, errors.SDKError) {
+	if domainID == "" {
+		return Domain{}, errors.NewSDKError(apiutil.ErrMissingID)
+	}
 	url := fmt.Sprintf("%s/%s/%s", sdk.domainsURL, domainsEndpoint, domainID)
 
 	_, body, sdkerr := sdk.processRequest(http.MethodGet, url, token, nil, nil, http.StatusOK)