Minor cleanups

1. Clean up getSession()
2. Allow defaults for the pool/client in case they aren't somehow
in the Cognito service.

addon-test-support/index.js

@@ -8,7 +8,8 @@ import { CognitoUser as AWSUser, CognitoUserPool } from 'amazon-cognito-identity
 export function newUser(username) {
   const { owner } = getContext();
   const cognito = owner.lookup('service:cognito');
-  const { poolId, clientId } = getProperties(cognito, "poolId", "clientId");
+  const { poolId  = 'us-east-1_TEST', clientId = 'TEST' } =
+    getProperties(cognito, "poolId", "clientId");
   const pool = new CognitoUserPool({ UserPoolId: poolId, ClientId: clientId });
   return new AWSUser({ Username: username, Pool: pool });
 }
@@ -18,7 +19,8 @@ export function mockCognitoUser(userAttributes) {
 
   const { username } = userAttributes;
   const cognito = owner.lookup('service:cognito');
-  const { poolId, clientId } = getProperties(cognito, "poolId", "clientId");
+  const { poolId  = 'us-east-1_TEST', clientId = 'TEST' } =
+    getProperties(cognito, "poolId", "clientId");
   const pool = new CognitoUserPool({ UserPoolId: poolId, ClientId: clientId });
   const user = new AWSUser({ Username: username, Pool: pool });
   const auth = MockAuth.create({ _authenticatedUser: user });

addon-test-support/utils/ember-cognito.js

@@ -34,11 +34,7 @@ const MockUser = EmberObject.extend({
   },
 
   getSession() {
-    const session = this.get('session');
-    if (session) {
-      return resolve(session);
-    }
-    return resolve(newSession());
+    return resolve(this.get('session') || newSession());
   },
 
   getUserAttributes() {