import { Cartesian2 } from "../../../Source/Cesium.js";
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import { Cartesian3 } from "../../../Source/Cesium.js";
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import createScene from "../../createScene.js";
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import { SelectionIndicatorViewModel } from "../../../Source/Cesium.js";
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describe(
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"Widgets/SelectionIndicator/SelectionIndicatorViewModel",
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function () {
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var scene;
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var selectionIndicatorElement = document.createElement("div");
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selectionIndicatorElement.style.width = "20px";
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selectionIndicatorElement.style.height = "20px";
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var container = document.createElement("div");
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container.appendChild(selectionIndicatorElement);
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beforeAll(function () {
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scene = createScene();
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});
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afterAll(function () {
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scene.destroyForSpecs();
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});
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it("constructor sets expected values", function () {
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var viewModel = new SelectionIndicatorViewModel(
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scene,
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selectionIndicatorElement,
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container
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);
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expect(viewModel.scene).toBe(scene);
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expect(viewModel.selectionIndicatorElement).toBe(
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selectionIndicatorElement
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);
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expect(viewModel.container).toBe(container);
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expect(viewModel.computeScreenSpacePosition).toBeDefined();
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});
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it("throws if scene is undefined", function () {
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expect(function () {
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return new SelectionIndicatorViewModel(undefined);
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}).toThrowDeveloperError();
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});
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it("throws if selectionIndicatorElement is undefined", function () {
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expect(function () {
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return new SelectionIndicatorViewModel(scene);
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}).toThrowDeveloperError();
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});
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it("throws if container is undefined", function () {
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expect(function () {
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return new SelectionIndicatorViewModel(
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scene,
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selectionIndicatorElement
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);
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}).toThrowDeveloperError();
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});
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it("can animate selection element", function () {
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var viewModel = new SelectionIndicatorViewModel(
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scene,
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selectionIndicatorElement,
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container
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);
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viewModel.animateAppear();
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viewModel.animateDepart();
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});
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it("can use custom screen space positions", function () {
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document.body.appendChild(container);
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var viewModel = new SelectionIndicatorViewModel(
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scene,
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selectionIndicatorElement,
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container
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);
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viewModel.showSelection = true;
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viewModel.position = new Cartesian3(1.0, 2.0, 3.0);
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viewModel.computeScreenSpacePosition = function (position, result) {
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return Cartesian2.clone(position, result);
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};
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viewModel.update();
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expect(viewModel._screenPositionX).toBe("-9px"); // Negative half the test size, plus viewModel.position.x (1)
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expect(viewModel._screenPositionY).toBe("-8px"); // Negative half the test size, plus viewModel.position.y (2)
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document.body.removeChild(container);
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});
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it("hides the indicator when position is unknown", function () {
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var viewModel = new SelectionIndicatorViewModel(
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scene,
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selectionIndicatorElement,
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container
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);
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expect(viewModel.isVisible).toBe(false);
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viewModel.showSelection = true;
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expect(viewModel.isVisible).toBe(false);
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viewModel.position = new Cartesian3(1.0, 2.0, 3.0);
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expect(viewModel.isVisible).toBe(true);
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viewModel.showSelection = false;
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expect(viewModel.isVisible).toBe(false);
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});
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it("can move the indicator off screen", function () {
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document.body.appendChild(container);
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var viewModel = new SelectionIndicatorViewModel(
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scene,
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selectionIndicatorElement,
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container
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);
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viewModel.showSelection = true;
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viewModel.position = new Cartesian3(1.0, 2.0, 3.0);
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viewModel.computeScreenSpacePosition = function (position, result) {
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return undefined;
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};
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viewModel.update();
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expect(viewModel._screenPositionX).toBe("-1000px");
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expect(viewModel._screenPositionY).toBe("-1000px");
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document.body.removeChild(container);
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});
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},
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"WebGL"
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);
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