Lookup for email in username field to match docs if email is undefined

spec/MockEmailAdapterWithOptions.js

@@ -2,9 +2,20 @@ module.exports = options => {
 	if (!options) {
 		throw "Options were not provided"
 	}
-	return {
+	let adapter = {
 		sendVerificationEmail: () => Promise.resolve(),
     sendPasswordResetEmail: () => Promise.resolve(),
     sendMail: () => Promise.resolve()
+	};
+	if (options.sendMail) {
+		adapter.sendMail = options.sendMail
 	}
+	if (options.sendPasswordResetEmail) {
+		adapter.sendPasswordResetEmail = options.sendPasswordResetEmail
+	}
+	if (options.sendVerificationEmail) {
+		adapter.sendVerificationEmail = options.sendVerificationEmail;
+	}
+
+	return adapter;
 }

spec/ValidationAndPasswordsReset.spec.js

@@ -479,6 +479,45 @@ describe("Custom Pages, Email Verification, Password Reset", () => {
     });
   });
 
+  it('succeeds sending a password reset username if appName, publicServerURL, and email adapter are prodvided', done => {
+    let adapter = MockEmailAdapterWithOptions({
+      fromAddress: '[email protected]',
+      apiKey: 'k',
+      domain: 'd',
+      sendMail: function(options) {
+        expect(options.to).toEqual('[email protected]');
+        return Promise.resolve();
+      }
+    });
+
+    // delete that handler to force using the default
+    delete adapter.sendPasswordResetEmail;
+
+    spyOn(adapter, 'sendMail').and.callThrough();
+    reconfigureServer({
+      appName: 'coolapp',
+      publicServerURL: 'http://localhost:1337/1',
+      emailAdapter: adapter
+    })
+    .then(() => {
+      let user = new Parse.User();
+      user.setPassword("asdf");
+      user.setUsername("[email protected]");
+      user.signUp(null)
+      .then(user => Parse.User.requestPasswordReset("[email protected]"))
+      .then(result => {
+        expect(adapter.sendMail).toHaveBeenCalled();
+        done();
+      }, error => {
+        done(error);
+      });
+    })
+    .catch(error => {
+      fail(JSON.stringify(error));
+      done();
+    });
+  });
+
   it('does not send verification email if email verification is disabled', done => {
     var emailAdapter = {
       sendVerificationEmail: () => Promise.resolve(),

src/Controllers/UserController.js

@@ -125,7 +125,7 @@ export class UserController extends AdaptableController {
   }
 
   setPasswordResetToken(email) {
-    return this.config.database.update('_User', { email }, { _perishable_token: randomString(25) }, {}, true)
+    return this.config.database.update('_User', { $or: [{email}, {username: email, email: {$exists: false}}] }, { _perishable_token: randomString(25) }, {}, true)
   }
 
   sendPasswordResetEmail(email) {
@@ -181,7 +181,7 @@ export class UserController extends AdaptableController {
         "You requested to reset your password for " + appName + ".\n\n" +
         "" +
         "Click here to reset it:\n" + link;
-    let to = user.get("email");
+    let to = user.get("email") || user.get('username');
     let subject =  'Password Reset for ' + appName;
     return { text, to, subject };
   }