[#817] Add email whitelist

This adds the ability to filter user signup with a whitelist
instead of or in addition to a blacklist.

Fixes #817

1 files changed, 37 insertions, 0 deletions

diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 64de06749..aa777fd39 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -1,5 +1,42 @@
 require 'rails_helper'
 
 RSpec.describe User, type: :model do
+  let(:account) { Fabricate(:account, username: 'alice') }  
+  let(:password) { 'abcd1234' }
 
+  describe 'blacklist' do
+    it 'should allow a non-blacklisted user to be created' do
+      user = User.new(email: 'foo@example.com', account: account, password: password)
+
+      expect(user.valid?).to be_truthy
+    end
+    
+    it 'should not allow a blacklisted user to be created' do
+      user = User.new(email: 'foo@mvrht.com', account: account, password: password)
+
+      expect(user.valid?).to be_falsey
+    end
+  end
+
+  describe 'whitelist' do
+    around(:each) do |example|
+      old_whitelist = Rails.configuration.x.email_whitelist
+
+      Rails.configuration.x.email_domains_whitelist = 'mastodon.space'
+
+      example.run
+
+      Rails.configuration.x.email_domains_whitelist = old_whitelist
+    end
+
+    it 'should not allow a user to be created unless they are whitelisted' do
+      user = User.new(email: 'foo@example.com', account: account, password: password)
+      expect(user.valid?).to be_falsey
+    end
+
+    it 'should allow a user to be created if they are whitelisted' do
+      user = User.new(email: 'foo@mastodon.space', account: account, password: password)
+      expect(user.valid?).to be_truthy
+    end    
+  end
 end