Add unit test for add-contribution component

tests/unit/components/add-contribution-test.js

@@ -0,0 +1,24 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+import moment from 'moment';
+
+module('Unit | Component | add-contribution', function(hooks) {
+  setupTest(hooks);
+
+  test('it exists', function(assert) {
+    let component = this.owner.factoryFor('component:add-contribution').create();
+    assert.ok(component);
+  });
+
+  test('default attributes', function(assert) {
+    let component = this.owner.factoryFor('component:add-contribution').create();
+
+    ['contributorId', 'kind', 'amount', 'description', 'url', 'details'].forEach(a => {
+      assert.equal(component.attributes[a], null, `sets the default ${a} attribute`);
+      assert.equal(component.get(a), null, `sets the ${a} property`);
+    });
+
+    assert.ok(moment.isDate(component.attributes.date, 'sets the default date attribute'));
+    assert.ok(moment.isDate(component.date), 'sets the default date');
+  });
+});