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diff --git a/gui-clamp/ui-react/src/components/dialogs/ControlLoop/UploadToscaInstantiation.test.js b/gui-clamp/ui-react/src/components/dialogs/ControlLoop/UploadToscaInstantiation.test.js
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+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation.
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+import { mount, shallow } from "enzyme";
+import React from "react";
+import toJson from "enzyme-to-json";
+import UploadToscaInstantiation from "./UploadToscaInstantiation";
+import { createMemoryHistory } from "history";
+import { act } from "react-dom/test-utils";
+
+describe("Verify UploadToscaInstantiation", () => {
+  const fs = require("fs");
+  const jsonFile = fs.readFileSync("src/components/dialogs/Policy/toscaInstantiationData.test.json");
+  const file = new Blob([jsonFile], { type: 'file' });
+
+  it("renders without crashing", () => {
+    shallow(<UploadToscaInstantiation/>);
+  });
+
+  it("renders correctly", () => {
+    const tree = shallow(<UploadToscaInstantiation/>);
+    expect(toJson(tree)).toMatchSnapshot();
+  });
+
+  it('should have a Button element', () => {
+    const container = shallow(<UploadToscaInstantiation/>)
+    expect(container.find('Button').length).toEqual(1);
+  });
+
+  it('handleClose called when bottom button clicked', () => {
+    const history = createMemoryHistory();
+    const component = mount(<UploadToscaInstantiation history={ history }/>)
+    const logSpy = jest.spyOn(console, 'log');
+
+
+    act(() => {
+      component.find('[variant="secondary"]').simulate('click');
+      expect(logSpy).toHaveBeenCalledWith('handleClose called');
+    });
+  });
+
+  it('handleClose called when top-right button clicked', () => {
+    const history = createMemoryHistory();
+    const component = mount(<UploadToscaInstantiation history={ history }/>)
+    const logSpy = jest.spyOn(console, 'log');
+
+
+    act(() => {
+      component.find('[size="lg"]').get(0).props.onHide();
+      expect(logSpy).toHaveBeenCalledWith('handleClose called');
+    });
+  });
+
+  it('fileUploadHandler called when uploading a defined file', () => {
+    const component = mount(<UploadToscaInstantiation/>)
+    const logSpy = jest.spyOn(console, 'log');
+
+    const event = {
+      preventDefault() {
+      },
+      currentTarget: { files: [file] }
+    };
+
+    act(() => {
+      component.find('[type="file"]').get(0).props.onChange(event);
+      expect(logSpy).toHaveBeenCalledWith('fileUploadHandler called');
+      expect(logSpy).toHaveBeenCalledWith('fileDefined called');
+    });
+  });
+
+  it('fileUploadHandler called when uploading a undefined file', () => {
+    const component = mount(<UploadToscaInstantiation/>)
+    const logSpy = jest.spyOn(console, 'log');
+
+    const event = {
+      preventDefault() {
+      },
+      currentTarget: { files: [] }
+    };
+
+    act(() => {
+      component.find('[type="file"]').get(0).props.onChange(event);
+      expect(logSpy).toHaveBeenCalledWith('fileUndefined called');
+    });
+  });
+});