Test and Select a Region default text

ui/app/templates/components/region-switcher.hbs

@@ -12,10 +12,13 @@
       @tagName="div"
       @triggerClass={{this.decoration}}
       @options={{this.sortedRegions}}
-      @selected={{this.system.activeRegion}}
+      @selected={{or this.system.activeRegion 'Select a Region'}}
       @searchEnabled={{false}}
       @onChange={{action this.gotoRegion}} as |region|>
-      <span class="ember-power-select-prefix">Region: </span>{{region}}
+      {{#if this.system.activeRegion}}
+        <span class="ember-power-select-prefix">Region: </span>
+      {{/if}}
+      {{region}}
     </PowerSelect>
   </span>
 {{else}}

ui/mirage/config.js

@@ -708,7 +708,12 @@ export default function () {
     return this.serialize(volume);
   });
 
-  this.get('/agent/members', function ({ agents, regions }) {
+  this.get('/agent/members', function ({ agents, regions }, req) {
+    const tokenPresent = req.requestHeaders['X-Nomad-Token'];
+    if (!tokenPresent) {
+      return new Response(403, {}, 'Forbidden');
+    }
+
     const firstRegion = regions.first();
     return {
       ServerRegion: firstRegion ? firstRegion.id : null,

ui/tests/acceptance/regions-test.js

@@ -15,6 +15,7 @@ import JobsList from 'nomad-ui/tests/pages/jobs/list';
 import ClientsList from 'nomad-ui/tests/pages/clients/list';
 import Layout from 'nomad-ui/tests/pages/layout';
 import Allocation from 'nomad-ui/tests/pages/allocations/detail';
+import Tokens from 'nomad-ui/tests/pages/settings/tokens';
 
 module('Acceptance | regions (only one)', function (hooks) {
   setupApplicationTest(hooks);
@@ -218,4 +219,26 @@ module('Acceptance | regions (many)', function (hooks) {
       }
     });
   });
+
+  test('Signing in sets the active region', async function (assert) {
+    window.localStorage.clear();
+    let managementToken = server.create('token');
+    await Tokens.visit();
+    assert.equal(
+      Layout.navbar.regionSwitcher.text,
+      'Select a Region',
+      'Region picker says "Select a Region" before signing in'
+    );
+    await Tokens.secret(managementToken.secretId).submit();
+    assert.equal(
+      window.localStorage.nomadActiveRegion,
+      'global',
+      'Region is set in localStorage after signing in'
+    );
+    assert.equal(
+      Layout.navbar.regionSwitcher.text,
+      'Region: global',
+      'Region picker says "Region: global" after signing in'
+    );
+  });
 });