Add support for clearDate event.

Also add tests for clearDate and changeDate actions to ensure that both work correctly when the date value of the datepicker is cleared or changed.

Author: octronic

addon/components/datepicker-support.js

@@ -53,6 +53,11 @@ export default Ember.Mixin.create({
       }).
       on('focusin', function(event) {
         self.sendAction('focus-in', self, event);
+      }).
+      on('clearDate', function(event) {
+        Ember.run(function() {
+          self._didChangeDate(event);
+        });
       });
 
     this._updateDatepicker();
@@ -79,7 +84,11 @@ export default Ember.Mixin.create({
 
     this.set('mustUpdateInput', false);
     this.set('value', value);
-    this.sendAction('changeDate', value);
+    if (event.type === 'clearDate') {
+      this.sendAction('clearDate');
+    } else {
+      this.sendAction('changeDate', value);
+    }
   },
 
   _addObservers: Ember.on('didInsertElement', function() {

tests/integration/components/bootstrap-datepicker-integration-test.js

@@ -39,3 +39,44 @@ test('triggers specified action on focusin event', function (assert) {
 
   assert.ok(actionIsTriggered, 'action is triggered on focusin');
 });
+
+test('triggers changeDate action when date selection changes', function(assert) {
+  assert.expect(1);
+
+  this.set('myDate', null);
+
+  var actionIsTriggered = false;
+  this.on('myAction', () => {
+    actionIsTriggered = true;
+  });
+
+  this.render(hbs`
+    {{bootstrap-datepicker value=myDate changeDate="myAction"}}
+  `);
+
+  var input = this.$('input.ember-text-field');
+  input.datepicker('setDate', new Date());
+
+  assert.ok(actionIsTriggered, 'action is triggered');
+});
+
+test('triggers clearDate action when date selection is cleared', function(assert) {
+  assert.expect(1);
+
+  this.set('myDate', new Date());
+
+  var actionIsTriggered = false;
+  this.on('myAction', () => {
+    actionIsTriggered = true;
+  });
+
+  this.render(hbs`
+    {{bootstrap-datepicker value=myDate clearDate="myAction"}}
+  `);
+
+  var input = this.$('input.ember-text-field');
+  input.datepicker('setDate', null);
+
+  assert.ok(actionIsTriggered, 'action is triggered');
+});
+