[#961] updated min username length and added tests

forms/record_upsert.go

@@ -397,7 +397,7 @@ func (form *RecordUpsert) Validate() error {
 				&form.Username,
 				// require only on update, because on create we fallback to auto generated username
 				validation.When(!form.record.IsNew(), validation.Required),
-				validation.Length(4, 100),
+				validation.Length(3, 100),
 				validation.Match(usernameRegex),
 				validation.By(form.checkUniqueUsername),
 			),

forms/record_upsert_test.go

@@ -694,6 +694,41 @@ func TestRecordUpsertAuthRecord(t *testing.T) {
 			false,
 		},
 
+		// username
+		{
+			"invalid username characters",
+			"",
+			map[string]any{
+				"username":        "test abc!@#",
+				"password":        "12345678",
+				"passwordConfirm": "12345678",
+			},
+			false,
+			true,
+		},
+		{
+			"invalid username length (less than 3)",
+			"",
+			map[string]any{
+				"username":        "ab",
+				"password":        "12345678",
+				"passwordConfirm": "12345678",
+			},
+			false,
+			true,
+		},
+		{
+			"invalid username length (more than 100)",
+			"",
+			map[string]any{
+				"username":        strings.Repeat("a", 101),
+				"password":        "12345678",
+				"passwordConfirm": "12345678",
+			},
+			false,
+			true,
+		},
+
 		// verified
 		{
 			"try to set verified without managed access",