FEATURE: new 'maximum new user accounts per registration IP' site setting

spec/components/spam_handler_spec.rb

@@ -0,0 +1,27 @@
+require "spec_helper"
+require "spam_handler"
+
+describe SpamHandler do
+
+  describe "#should_prevent_registration_from_ip?" do
+
+    it "works" do
+      # max_new_accounts_per_registration_ip = 0 disables the check
+      SiteSetting.stubs(:max_new_accounts_per_registration_ip).returns(0)
+
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[1])
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0])
+
+      # only prevents registration for TL0
+      SiteSetting.stubs(:max_new_accounts_per_registration_ip).returns(2)
+
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[1])
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0])
+
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[1])
+      -> { Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0]) }.should raise_error(ActiveRecord::RecordInvalid)
+    end
+
+  end
+
+end