DEV: Move spec/components to spec/lib (#15987)

Lib specs were inexplicably split into two directories (`lib` and `components`)

This moves them all into `lib`.

spec/lib/spam_handler_spec.rb

@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+require "rails_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.max_new_accounts_per_registration_ip = 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.max_new_accounts_per_registration_ip = 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])
+      expect { Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0]) }.to raise_error(ActiveRecord::RecordInvalid)
+    end
+
+    it "doesn't limit registrations since there is a TL2+ user with that IP" do
+      # setup
+      SiteSetting.max_new_accounts_per_registration_ip = 0
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0])
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[2])
+
+      # should not limit registration
+      SiteSetting.max_new_accounts_per_registration_ip = 1
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0])
+    end
+
+    it "doesn't limit registrations since there is a staff member with that IP" do
+      # setup
+      SiteSetting.max_new_accounts_per_registration_ip = 0
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0])
+      Fabricate(:moderator, ip_address: "42.42.42.42", trust_level: TrustLevel[0])
+
+      Group.refresh_automatic_groups!(:staff)
+
+      # should not limit registration
+      SiteSetting.max_new_accounts_per_registration_ip = 1
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0])
+    end
+
+    it "doesn't limit registrations when the IP is allowlisted" do
+      # setup
+      SiteSetting.max_new_accounts_per_registration_ip = 0
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0])
+      ScreenedIpAddress.stubs(:is_allowed?).with("42.42.42.42").returns(true)
+
+      # should not limit registration
+      SiteSetting.max_new_accounts_per_registration_ip = 1
+      Fabricate(:user, ip_address: "42.42.42.42", trust_level: TrustLevel[0])
+    end
+
+  end
+
+end