15832144755
2022-01-06 7b4c8991dca9cf2a809a95e239d144697d3afb56
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import { EllipsoidTerrainProvider } from "../../../Source/Cesium.js";
import { ImageryLayerCollection } from "../../../Source/Cesium.js";
import { BaseLayerPickerViewModel } from "../../../Source/Cesium.js";
import { ProviderViewModel } from "../../../Source/Cesium.js";
 
describe("Widgets/BaseLayerPicker/BaseLayerPickerViewModel", function () {
  function MockGlobe() {
    this.imageryLayers = new ImageryLayerCollection();
    this.terrainProvider = new EllipsoidTerrainProvider();
  }
 
  var testProvider = {
    isReady: function () {
      return false;
    },
  };
 
  var testProvider2 = {
    isReady: function () {
      return false;
    },
  };
 
  var testProvider3 = {
    isReady: function () {
      return false;
    },
  };
 
  var testProviderViewModel = new ProviderViewModel({
    name: "name",
    tooltip: "tooltip",
    iconUrl: "url",
    creationFunction: function () {
      return testProvider;
    },
  });
 
  var testProviderViewModel2 = new ProviderViewModel({
    name: "name2",
    tooltip: "tooltip2",
    iconUrl: "url2",
    creationFunction: function () {
      return [testProvider, testProvider2];
    },
  });
 
  var testProviderViewModel3 = new ProviderViewModel({
    name: "name3",
    tooltip: "tooltip3",
    iconUrl: "url3",
    creationFunction: function () {
      return testProvider3;
    },
  });
 
  it("constructor sets expected values", function () {
    var imageryViewModels = [];
    var terrainViewModels = [];
 
    var globe = new MockGlobe();
 
    var viewModel = new BaseLayerPickerViewModel({
      globe: globe,
      imageryProviderViewModels: imageryViewModels,
      terrainProviderViewModels: terrainViewModels,
    });
    expect(viewModel.globe).toBe(globe);
    expect(viewModel.imageryProviderViewModels.length).toBe(0);
    expect(viewModel.terrainProviderViewModels.length).toBe(0);
  });
 
  it("separates providers into categories", function () {
    var imageryProviders = [
      new ProviderViewModel({
        name: "name",
        tooltip: "tooltip",
        iconUrl: "url",
        category: "cat1",
        creationFunction: function () {
          return testProvider;
        },
      }),
      new ProviderViewModel({
        name: "name",
        tooltip: "tooltip",
        iconUrl: "url",
        category: "cat1",
        creationFunction: function () {
          return testProvider;
        },
      }),
      new ProviderViewModel({
        name: "name",
        tooltip: "tooltip",
        iconUrl: "url",
        category: "cat2",
        creationFunction: function () {
          return testProvider;
        },
      }),
    ];
    var terrainProviders = [
      new ProviderViewModel({
        name: "name",
        tooltip: "tooltip",
        iconUrl: "url",
        category: "cat1",
        creationFunction: function () {
          return testProvider;
        },
      }),
      new ProviderViewModel({
        name: "name",
        tooltip: "tooltip",
        iconUrl: "url",
        category: "cat2",
        creationFunction: function () {
          return testProvider;
        },
      }),
      new ProviderViewModel({
        name: "name",
        tooltip: "tooltip",
        iconUrl: "url",
        category: "cat2",
        creationFunction: function () {
          return testProvider;
        },
      }),
    ];
 
    var viewModel = new BaseLayerPickerViewModel({
      globe: new MockGlobe(),
      imageryProviderViewModels: imageryProviders,
      terrainProviderViewModels: terrainProviders,
    });
 
    expect(viewModel._imageryProviders).toBeDefined();
    expect(viewModel._imageryProviders().length).toBe(2);
    expect(viewModel._imageryProviders()[0].providers.length).toBe(2);
    expect(viewModel._imageryProviders()[0].name).toBe("cat1");
    expect(viewModel._imageryProviders()[1].providers.length).toBe(1);
    expect(viewModel._imageryProviders()[1].name).toBe("cat2");
 
    expect(viewModel._terrainProviders).toBeDefined();
    expect(viewModel._terrainProviders().length).toBe(2);
    expect(viewModel._terrainProviders()[0].providers.length).toBe(1);
    expect(viewModel._terrainProviders()[0].name).toBe("cat1");
    expect(viewModel._terrainProviders()[1].providers.length).toBe(2);
    expect(viewModel._terrainProviders()[1].name).toBe("cat2");
  });
 
  it("selecting imagery closes the dropDown", function () {
    var imageryViewModels = [testProviderViewModel];
    var globe = new MockGlobe();
    var viewModel = new BaseLayerPickerViewModel({
      globe: globe,
      imageryProviderViewModels: imageryViewModels,
    });
 
    viewModel.dropDownVisible = true;
    viewModel.selectedImagery = testProviderViewModel;
    expect(viewModel.dropDownVisible).toEqual(false);
  });
 
  it("selecting terrain closes the dropDown", function () {
    var imageryViewModels = [testProviderViewModel];
    var globe = new MockGlobe();
    var viewModel = new BaseLayerPickerViewModel({
      globe: globe,
      imageryProviderViewModels: imageryViewModels,
    });
 
    viewModel.dropDownVisible = true;
    viewModel.selectedTerrain = testProviderViewModel;
    expect(viewModel.dropDownVisible).toEqual(false);
  });
 
  it("tooltip, buttonImageUrl, and selectedImagery all return expected values", function () {
    var imageryViewModels = [testProviderViewModel];
    var terrainViewModels = [testProviderViewModel3];
    var globe = new MockGlobe();
 
    var viewModel = new BaseLayerPickerViewModel({
      globe: globe,
      imageryProviderViewModels: imageryViewModels,
      terrainProviderViewModels: terrainViewModels,
    });
 
    viewModel.selectedImagery = testProviderViewModel;
    expect(viewModel.buttonTooltip).toEqual(
      testProviderViewModel.name + "\n" + testProviderViewModel3.name
    );
 
    viewModel.selectedImagery = undefined;
    expect(viewModel.buttonTooltip).toEqual(testProviderViewModel3.name);
 
    viewModel.selectedImagery = testProviderViewModel;
    viewModel.selectedTerrain = undefined;
    expect(viewModel.buttonTooltip).toEqual(testProviderViewModel.name);
 
    expect(viewModel.buttonImageUrl).toEqual(testProviderViewModel.iconUrl);
  });
 
  it("selectedImagery actually sets base layer", function () {
    var imageryViewModels = [testProviderViewModel];
    var globe = new MockGlobe();
    var imageryLayers = globe.imageryLayers;
    var viewModel = new BaseLayerPickerViewModel({
      globe: globe,
      imageryProviderViewModels: imageryViewModels,
    });
 
    expect(imageryLayers.length).toEqual(1);
 
    viewModel.selectedImagery = testProviderViewModel;
    expect(imageryLayers.length).toEqual(1);
    expect(imageryLayers.get(0).imageryProvider).toBe(testProvider);
 
    viewModel.selectedImagery = testProviderViewModel2;
    expect(imageryLayers.length).toEqual(2);
    expect(imageryLayers.get(0).imageryProvider).toBe(testProvider);
    expect(imageryLayers.get(1).imageryProvider).toBe(testProvider2);
  });
 
  it("selectedTerrain actually sets terrainPRovider", function () {
    var terrainProviderViewModels = [
      testProviderViewModel,
      testProviderViewModel3,
    ];
    var globe = new MockGlobe();
    var viewModel = new BaseLayerPickerViewModel({
      globe: globe,
      terrainProviderViewModels: terrainProviderViewModels,
    });
 
    viewModel.selectedTerrain = testProviderViewModel3;
    expect(globe.terrainProvider).toBe(testProvider3);
  });
 
  it("settings selectedImagery only removes layers added by view model", function () {
    var imageryViewModels = [testProviderViewModel];
    var globe = new MockGlobe();
    var imageryLayers = globe.imageryLayers;
    var viewModel = new BaseLayerPickerViewModel({
      globe: globe,
      imageryProviderViewModels: imageryViewModels,
    });
 
    expect(imageryLayers.length).toEqual(1);
 
    viewModel.selectedImagery = testProviderViewModel2;
    expect(imageryLayers.length).toEqual(2);
    expect(imageryLayers.get(0).imageryProvider).toBe(testProvider);
    expect(imageryLayers.get(1).imageryProvider).toBe(testProvider2);
 
    imageryLayers.addImageryProvider(testProvider3, 1);
    imageryLayers.remove(imageryLayers.get(0));
 
    viewModel.selectedImagery = undefined;
 
    expect(imageryLayers.length).toEqual(1);
    expect(imageryLayers.get(0).imageryProvider).toBe(testProvider3);
  });
 
  it("dropDownVisible and toggleDropDown work", function () {
    var viewModel = new BaseLayerPickerViewModel({
      globe: new MockGlobe(),
    });
 
    expect(viewModel.dropDownVisible).toEqual(false);
    viewModel.toggleDropDown();
    expect(viewModel.dropDownVisible).toEqual(true);
    viewModel.dropDownVisible = false;
    expect(viewModel.dropDownVisible).toEqual(false);
  });
 
  it("constructor throws with no globe", function () {
    expect(function () {
      return new BaseLayerPickerViewModel({});
    }).toThrowDeveloperError();
  });
});