/*****************************************************************************
 * Open MCT, Copyright (c) 2014-2021, United States Government
 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
 *
 * Open MCT is 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.
 *
 * Open MCT includes source code licensed under additional open source
 * licenses. See the Open Source Licenses file (LICENSES.md) included with
 * this source code distribution or the Licensing information page available
 * at runtime from the About dialog for additional information.
 *****************************************************************************/
import {
    createOpenMct,
    resetApplicationState
} from 'utils/testing';

describe("the plugin", () => {
    let openmct;
    let viewDatumAction;
    let mockObjectPath;
    let mockView;
    let mockDatum;

    beforeEach((done) => {
        openmct = createOpenMct();

        openmct.on('start', done);
        openmct.startHeadless();

        viewDatumAction = openmct.actions._allActions.viewDatumAction;

        mockObjectPath = [{
            name: 'mock object',
            type: 'telemetry-table',
            identifier: {
                key: 'mock-object',
                namespace: ''
            }
        }];

        mockDatum = {
            time: 123456789,
            sin: 0.4455512,
            cos: 0.4455512
        };

        mockView = {
            getViewContext: () => {
                return {
                    row: {
                        viewDatumAction: true,
                        getDatum: () => {
                            return mockDatum;
                        }
                    }
                };
            }
        };

        done();
    });

    afterEach(() => {
        return resetApplicationState(openmct);
    });

    it('installs the view datum action', () => {
        expect(viewDatumAction).toBeDefined();
    });

    describe('when invoked', () => {

        beforeEach((done) => {
            openmct.overlays.overlay = function (options) {};

            spyOn(openmct.overlays, 'overlay');

            viewDatumAction.invoke(mockObjectPath, mockView);

            done();
        });

        it('uses an overlay to show user datum values', () => {
            expect(openmct.overlays.overlay).toHaveBeenCalled();
        });
    });
});