Add tests for ol.interaction.Draw#setActive

test/spec/ol/interaction/drawinteraction.test.js

@@ -470,6 +470,70 @@ describe('ol.interaction.Draw', function() {
 
   });
 
+  describe('#setActive()', function() {
+    var interaction;
+
+    beforeEach(function() {
+      interaction = new ol.interaction.Draw({
+        type: ol.geom.GeometryType.LINE_STRING
+      });
+
+      expect(interaction.getActive()).to.be(true);
+
+      map.addInteraction(interaction);
+
+      // first point
+      simulateEvent('pointermove', 10, 20);
+      simulateEvent('pointerdown', 10, 20);
+      simulateEvent('pointerup', 10, 20);
+
+      expect(interaction.sketchFeature_).not.to.be(null);
+    });
+
+    afterEach(function() {
+      map.removeInteraction(interaction);
+    });
+
+    describe('#setActive(false)', function() {
+      it('unsets the map from the feature overlay', function() {
+        interaction.setActive(false);
+        expect(interaction.overlay_.map_).to.be(null);
+      });
+      it('aborts the drawing', function() {
+        interaction.setActive(false);
+        expect(interaction.sketchFeature_).to.be(null);
+      });
+      it('fires change:active', function() {
+        listenerSpy = sinon.spy(function() {
+          // test that the interaction's change:active listener is called first
+          expect(interaction.overlay_.map_).to.be(null);
+        });
+        interaction.on('change:active', listenerSpy);
+        interaction.setActive(false);
+        expect(listenerSpy.callCount).to.be(1);
+      });
+    });
+
+    describe('#setActive(true)', function() {
+      beforeEach(function() {
+        interaction.setActive(false);
+      });
+      it('sets the map into the feature overlay', function() {
+        interaction.setActive(true);
+        expect(interaction.overlay_.map_).to.be(map);
+      });
+      it('fires change:active', function() {
+        listenerSpy = sinon.spy(function() {
+          // test that the interaction's change:active listener is called first
+          expect(interaction.overlay_.map_).not.to.be(null);
+        });
+        interaction.on('change:active', listenerSpy);
+        interaction.setActive(true);
+        expect(listenerSpy.callCount).to.be(1);
+      });
+    });
+  });
+
 });
 
 goog.require('goog.dispose');