+ test "it blocks blacklisted email domains" do
+ clear_config([User, :email_blacklist], ["trolling.world"])
+
+ # Block with match
+ params = Map.put(@full_user_data, :email, "troll@trolling.world")
+ changeset = User.register_changeset(%User{}, params)
+ refute changeset.valid?
+
+ # Block with subdomain match
+ params = Map.put(@full_user_data, :email, "troll@gnomes.trolling.world")
+ changeset = User.register_changeset(%User{}, params)
+ refute changeset.valid?
+
+ # Pass with different domains that are similar
+ params = Map.put(@full_user_data, :email, "troll@gnomestrolling.world")
+ changeset = User.register_changeset(%User{}, params)
+ assert changeset.valid?
+
+ params = Map.put(@full_user_data, :email, "troll@trolling.world.us")
+ changeset = User.register_changeset(%User{}, params)
+ assert changeset.valid?
+ end
+