adding tests for parseManagedObjectReferenceResponse

inventory/inventoryReferenceApi.go

@@ -222,7 +222,7 @@ func parseManagedObjectReferenceResponse(body []byte) (*ManagedObjectReference,
 			return nil, generic.ClientError(fmt.Sprintf("Error while parsing response JSON: %s", err.Error()), "ResponseParser")
 		}
 	} else {
-		return nil, generic.ClientError("Response body was empty", "GetManagedObjectReference")
+		return nil, generic.ClientError("Response body was empty", "ResponseParser")
 	}
 
 	return &result, nil

inventory/inventoryReferenceApi_parseManagedObjectResponse_test.go

@@ -0,0 +1,57 @@
+package inventory
+
+import (
+	"fmt"
+	"github.com/tarent/gomulocity/generic"
+	"reflect"
+	"testing"
+)
+
+func TestInventoryReferenceApi_ParseManagedObjectResponse(t *testing.T) {
+	tests := []struct {
+		name                           string
+		givenResponseBody              string
+		expectedManagedObjectReference *ManagedObjectReference
+		expectedErr                    *generic.Error
+	}{
+		{
+			name:                           "parsable body",
+			givenResponseBody:              givenReferenceResponseBody,
+			expectedManagedObjectReference: expectedManagedObjectReference,
+			expectedErr:                    nil,
+		}, {
+			name:                           "unparsable body",
+			givenResponseBody:              `{`,
+			expectedManagedObjectReference: nil,
+			expectedErr: &generic.Error{
+				ErrorType: "ClientError",
+				Message:   "Error while parsing response JSON: unexpected end of JSON input",
+				Info:      "ResponseParser",
+			},
+		}, {
+			name:                           "without body",
+			givenResponseBody:              ``,
+			expectedManagedObjectReference: nil,
+			expectedErr: &generic.Error{
+				ErrorType: "ClientError",
+				Message:   "Response body was empty",
+				Info:      "ResponseParser",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+
+			managedObject, err := parseManagedObjectReferenceResponse([]byte(tt.givenResponseBody))
+
+			if fmt.Sprint(err) != fmt.Sprint(tt.expectedErr) {
+				t.Fatalf("Unexpected error was returned: %s\nExpected: %s", err, tt.expectedErr)
+			}
+
+			if !reflect.DeepEqual(managedObject, tt.expectedManagedObjectReference) {
+				t.Errorf("Unexpected managedObject was returned: %#v\nExpected: %#v", managedObject, tt.expectedManagedObjectReference)
+			}
+		})
+	}
+}