1 files changed, 89 insertions, 0 deletions
diff --git a/pkg/model/pdpresponsedetails_test.go b/pkg/model/pdpresponsedetails_test.go
new file mode 100644
index 0000000..14b9cd8
--- /dev/null
+++ b/pkg/model/pdpresponsedetails_test.go
@@ -0,0 +1,89 @@
+// -
+//   ========================LICENSE_START=================================
+//   Copyright (C) 2024: Deutsche Telecom
+//
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
+//   ========================LICENSE_END===================================
+//
+
+package model
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+// Positive test for JSON marshaling of PdpResponseDetails with all fields populated
+func TestPdpResponseDetails_MarshalJSON_Success(t *testing.T) {
+	responseTo := "requestID123"
+	responseMessage := "Operation completed successfully"
+	responseStatus := Success
+
+	details := PdpResponseDetails{
+		ResponseTo:      &responseTo,
+		ResponseStatus:  &responseStatus,
+		ResponseMessage: &responseMessage,
+	}
+
+	expectedJSON := `{"responseTo":"requestID123","responseStatus":"SUCCESS","responseMessage":"Operation completed successfully"}`
+	got, err := json.Marshal(details)
+	if err != nil {
+		t.Errorf("json.Marshal() error = %v", err)
+	}
+
+	if string(got) != expectedJSON {
+		t.Errorf("json.Marshal() = %v, want %v", string(got), expectedJSON)
+	}
+}
+
+// Negative test for JSON marshaling of PdpResponseDetails with nil fields
+func TestPdpResponseDetails_MarshalJSON_Failure(t *testing.T) {
+	details := PdpResponseDetails{}
+
+	expectedJSON := `{"responseTo":null,"responseStatus":null,"responseMessage":null}`
+	got, err := json.Marshal(details)
+	if err != nil {
+		t.Errorf("json.Marshal() error = %v", err)
+	}
+
+	if string(got) != expectedJSON {
+		t.Errorf("json.Marshal() = %v, want %v", string(got), expectedJSON)
+	}
+}
+
+// Positive test for PdpResponseStatus constants
+func TestPdpResponseStatus_Success(t *testing.T) {
+	tests := []struct {
+		status   PdpResponseStatus
+		expected string
+	}{
+		{Success, "SUCCESS"},
+		{Failure, "FAILURE"},
+	}
+
+	for _, test := range tests {
+		if string(test.status) != test.expected {
+			t.Errorf("PdpResponseStatus = %v, want %v", test.status, test.expected)
+		}
+	}
+}
+
+// Negative test for invalid PdpResponseStatus
+func TestPdpResponseStatus_Failure(t *testing.T) {
+	invalidStatus := PdpResponseStatus("INVALID")
+	expected := "INVALID"
+
+	if string(invalidStatus) != expected {
+		t.Errorf("PdpResponseStatus = %v, want %v", invalidStatus, expected)
+	}
+}