test: Improve ParseUser::become test (#507)

Author: dplewis

tests/Parse/ParseUserTest.php

@@ -2,6 +2,7 @@
 
 namespace Parse\Test;
 
+use Parse\ParseCloud;
 use Parse\ParseClient;
 use Parse\ParseObject;
 use Parse\ParseQuery;
@@ -328,6 +329,16 @@ public function testBecome()
         ParseUser::become('garbage_token');
     }
 
+    public function testBecomeFromCloudCode()
+    {
+        $sessionToken = ParseCloud::run('createTestUser', []);
+
+        $user = ParseUser::become($sessionToken);
+        $this->assertEquals(ParseUser::getCurrentUser(), $user);
+        $this->assertEquals('harry', $user->get('username'));
+        $this->assertEquals($user->getSessionToken(), $sessionToken);
+    }
+
     public function testCannotSingUpAlreadyExistingUser()
     {
         $this->testUserSignUp();

tests/cloud-code.js

@@ -7,6 +7,15 @@ Parse.Cloud.define('bar', (request) => {
   }
 });
 
+Parse.Cloud.define('createTestUser', async (request) => {
+  const user = new Parse.User();
+  user.set('username', 'harry');
+  user.set('password', 'potter');
+  await user.signUp();
+  const loggedIn = await Parse.User.logIn('harry', 'potter');
+  return loggedIn.getSessionToken();
+});
+
 Parse.Cloud.define('foo', (request) => {
     var key1 = request.params.key1;
     var key2 = request.params.key2;