test: added user role names test

Author: FilipNikolovski

entities/user.go

@@ -22,7 +22,7 @@ type User struct {
 }
 
 func (u *User) RoleNames() []string {
-	roles := []string{}
+	var roles []string
 	for _, r := range u.Roles {
 		roles = append(roles, r.Name)
 	}

entities/user_test.go

@@ -0,0 +1,26 @@
+package entities
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUserRoleNames(t *testing.T) {
+	u := &User{}
+
+	roles := u.RoleNames()
+	assert.Empty(t, roles)
+
+	u.Roles = []Role{
+		{Name: "admin"},
+		{Name: "engineering"},
+	}
+
+	roles = u.RoleNames()
+	assert.NotEmpty(t, roles)
+	assert.Len(t, roles, 2)
+	assert.Equal(t, roles[0], "admin")
+	assert.Equal(t, roles[1], "engineering")
+
+}

opa/rbac_authz.rego

@@ -6,7 +6,7 @@ role_permissions := {
   "engineering": [{"method": "GET",  "path": "/api/campaigns"},
                   {"method": "GET",  "path": "/api/campaigns/:id"}],
   "webdev":      [{"method": "GET",  "path": "/api/campaigns"},
-                  {"method": "PUT",  "path": "/api/campaigns/:id"}],
+                  {"method": "PUT",  "path": "/api/campaigns/:id"}]
 }
 
 default allow = false