Add mixin unit tests for location-name

tests/unit/mixins/location-name-test.js

@@ -0,0 +1,54 @@
+import LocationName from 'hospitalrun/mixins/location-name';
+import { moduleFor, test } from 'ember-qunit';
+import Ember from 'ember';
+import DS from 'ember-data';
+
+moduleFor('mixin:location-name', 'Unit | Mixin | location-name', {
+  subject(attrs) {
+    let subject;
+    Ember.run(() => {
+      let Test = DS.Model.extend(LocationName);
+      this.register('model:test', Test);
+      subject = this.store().createRecord('test', attrs);
+    });
+
+    return subject;
+  },
+  store() {
+    return this.container.lookup('service:store');
+  }
+});
+
+test('getDisplayLocationName', function(assert) {
+  let locationName = this.subject();
+
+  assert.strictEqual(
+    locationName.getDisplayLocationName('Location', 'Aisle'),
+    'Location : Aisle',
+    'Should include both'
+  );
+  assert.strictEqual(
+    locationName.getDisplayLocationName('Location'),
+    'Location',
+    'Should only include location'
+  );
+  assert.strictEqual(
+    locationName.getDisplayLocationName('', 'Aisle'),
+    'Aisle',
+    'Should only include aisle location'
+  );
+  assert.strictEqual(
+    locationName.getDisplayLocationName('', ''),
+    'No Location',
+    'Should return default "No Location" message'
+  );
+});
+
+test('locationName', function(assert) {
+  let locationName = this.subject({
+    location: 'Location',
+    aisleLocation: 'Aisle'
+  });
+
+  assert.strictEqual(locationName.get('locationName'), 'Location : Aisle');
+});