Organize tests

test/browser/spec/ol/interaction/interaction.test.js

@@ -0,0 +1,108 @@
+import EventTarget from '../../../../../src/ol/events/Target.js';
+import Interaction, {
+  zoomByDelta,
+} from '../../../../../src/ol/interaction/Interaction.js';
+import {FALSE} from '../../../../../src/ol/functions.js';
+import {Map, View} from '../../../../../src/ol/index.js';
+import {
+  clearUserProjection,
+  useGeographic,
+} from '../../../../../src/ol/proj.js';
+
+describe('ol.interaction.Interaction', function () {
+  describe('constructor', function () {
+    let interaction;
+
+    beforeEach(function () {
+      interaction = new Interaction({});
+    });
+
+    it('creates a new interaction', function () {
+      expect(interaction).to.be.a(Interaction);
+      expect(interaction).to.be.a(EventTarget);
+    });
+
+    it('creates an active interaction', function () {
+      expect(interaction.getActive()).to.be(true);
+    });
+  });
+
+  describe('#getMap()', function () {
+    it('retrieves the associated map', function () {
+      const map = new Map({});
+      const interaction = new Interaction({});
+      interaction.setMap(map);
+      expect(interaction.getMap()).to.be(map);
+    });
+
+    it('returns null if no map', function () {
+      const interaction = new Interaction({});
+      expect(interaction.getMap()).to.be(null);
+    });
+  });
+
+  describe('#setMap()', function () {
+    it('allows a map to be set', function () {
+      const map = new Map({});
+      const interaction = new Interaction({});
+      interaction.setMap(map);
+      expect(interaction.getMap()).to.be(map);
+    });
+
+    it('accepts null', function () {
+      const interaction = new Interaction({});
+      interaction.setMap(null);
+      expect(interaction.getMap()).to.be(null);
+    });
+  });
+
+  describe('#handleEvent()', function () {
+    class MockInteraction extends Interaction {
+      constructor() {
+        super(...arguments);
+      }
+      handleEvent(mapBrowserEvent) {
+        return false;
+      }
+    }
+
+    it('has a default event handler', function () {
+      const interaction = new Interaction({});
+      expect(interaction.handleEvent()).to.be(true);
+    });
+
+    it('allows event handler overrides via options', function () {
+      const interaction = new Interaction({
+        handleEvent: FALSE,
+      });
+      expect(interaction.handleEvent()).to.be(false);
+    });
+
+    it('allows event handler overrides via class extension', function () {
+      const interaction = new MockInteraction({});
+      expect(interaction.handleEvent()).to.be(false);
+    });
+  });
+});
+
+describe('zoomByDelta - useGeographic', () => {
+  beforeEach(useGeographic);
+  afterEach(clearUserProjection);
+
+  it('works with a user projection set', () => {
+    const view = new View({
+      center: [0, 0],
+      zoom: 0,
+    });
+
+    const spy = sinon.spy(view, 'animate');
+
+    const anchor = [90, 45];
+    const duration = 10;
+    zoomByDelta(view, 1, anchor, duration);
+
+    expect(spy.callCount).to.be(1);
+    const options = spy.getCall(0).args[0];
+    expect(options.anchor).to.be(anchor);
+  });
+});