diff --git a/frontend/src/app/workspace/component/result-panel/result-panel-modal.component.spec.ts b/frontend/src/app/workspace/component/result-panel/result-panel-modal.component.spec.ts
new file mode 100644
index 00000000000..8d7e1cc8f99
--- /dev/null
+++ b/frontend/src/app/workspace/component/result-panel/result-panel-modal.component.spec.ts
@@ -0,0 +1,68 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+import { ComponentFixture, TestBed } from "@angular/core/testing";
+import { RowModalComponent } from "./result-panel-modal.component";
+import { PanelResizeService } from "../../service/workflow-result/panel-resize/panel-resize.service";
+import { WorkflowResultService } from "../../service/workflow-result/workflow-result.service";
+import { NZ_MODAL_DATA, NzModalRef } from "ng-zorro-antd/modal";
+import { of } from "rxjs";
+
+describe("RowModalComponent", () => {
+  let component: RowModalComponent;
+  let fixture: ComponentFixture<RowModalComponent>;
+
+  const mockTupleResult = { tuple: { id: "123", value: "test_data" } };
+  const workflowResultServiceSpy = {
+    getPaginatedResultService: vi.fn().mockReturnValue({
+      selectTuple: vi.fn().mockReturnValue(of(mockTupleResult)),
+    }),
+  };
+
+  const resizeServiceSpy = {
+    pageSize: 10,
+  };
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [RowModalComponent],
+      providers: [
+        { provide: NZ_MODAL_DATA, useValue: { operatorId: "op-1", rowIndex: 3 } },
+        { provide: NzModalRef, useValue: { getConfig: () => ({}), close: vi.fn() } },
+        { provide: WorkflowResultService, useValue: workflowResultServiceSpy },
+        { provide: PanelResizeService, useValue: resizeServiceSpy },
+      ],
+    }).compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(RowModalComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it("should create", () => {
+    expect(component).toBeTruthy();
+  });
+
+  it("should populate row data on ngOnChanges", () => {
+    component.ngOnChanges();
+    expect(component.currentDisplayRowData).toEqual(mockTupleResult.tuple);
+  });
+});