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101 lines
4.5 KiB
JavaScript
101 lines
4.5 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT Web is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT Web includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine*/
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/**
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* MergeModelsSpec. Created by vwoeltje on 11/6/14.
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*/
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define(
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["../../src/elements/PlotPanZoomStack"],
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function (PlotPanZoomStack) {
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"use strict";
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describe("A plot pan-zoom stack", function () {
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var panZoomStack,
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initialOrigin,
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initialDimensions,
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otherOrigins,
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otherDimensions;
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// Shorthand for verifying getOrigin, getDimensions, and getPanZoom,
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// which should always agree.
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function verifyPanZoom(origin, dimensions) {
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expect(panZoomStack.getOrigin()).toEqual(origin);
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expect(panZoomStack.getDimensions()).toEqual(dimensions);
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expect(panZoomStack.getPanZoom()).toEqual({
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origin: origin,
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dimensions: dimensions
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});
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}
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beforeEach(function () {
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initialOrigin = [ 4, 2 ];
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initialDimensions = [ 600, 400 ];
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otherOrigins = [ [8, 6], [12, 9] ];
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otherDimensions = [ [400, 300], [200, 300] ];
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panZoomStack =
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new PlotPanZoomStack(initialOrigin, initialDimensions);
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});
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it("starts off reporting its initial values", function () {
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verifyPanZoom(initialOrigin, initialDimensions);
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});
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it("allows origin/dimensions pairs to be pushed/popped", function () {
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panZoomStack.pushPanZoom(otherOrigins[0], otherDimensions[0]);
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verifyPanZoom(otherOrigins[0], otherDimensions[0]);
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panZoomStack.pushPanZoom(otherOrigins[1], otherDimensions[1]);
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verifyPanZoom(otherOrigins[1], otherDimensions[1]);
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panZoomStack.popPanZoom();
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verifyPanZoom(otherOrigins[0], otherDimensions[0]);
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panZoomStack.popPanZoom();
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verifyPanZoom(initialOrigin, initialDimensions);
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});
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it("reports current stack depth", function () {
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expect(panZoomStack.getDepth()).toEqual(1);
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panZoomStack.pushPanZoom(otherOrigins[0], otherDimensions[0]);
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expect(panZoomStack.getDepth()).toEqual(2);
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panZoomStack.pushPanZoom(otherOrigins[1], otherDimensions[1]);
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expect(panZoomStack.getDepth()).toEqual(3);
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});
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it("allows base pan zoom to be restored", function () {
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panZoomStack.pushPanZoom(otherOrigins[0], otherDimensions[0]);
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panZoomStack.pushPanZoom(otherOrigins[1], otherDimensions[1]);
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panZoomStack.clearPanZoom();
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verifyPanZoom(initialOrigin, initialDimensions);
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});
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it("allows base pan zoom to be changed", function () {
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panZoomStack.pushPanZoom(otherOrigins[0], otherDimensions[0]);
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panZoomStack.setBasePanZoom(otherOrigins[1], otherDimensions[1]);
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// Should not have changed current top-of-stack
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verifyPanZoom(otherOrigins[0], otherDimensions[0]);
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// Clear the stack - should be at our new base pan-zoom state
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panZoomStack.clearPanZoom();
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verifyPanZoom(otherOrigins[1], otherDimensions[1]);
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});
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});
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}
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); |