1 files changed, 19 insertions, 0 deletions
diff --git a/spec/rubocop/cop/gitlab/intersect_spec.rb b/spec/rubocop/cop/gitlab/intersect_spec.rb
new file mode 100644
index 00000000000..351033d0ed2
--- /dev/null
+++ b/spec/rubocop/cop/gitlab/intersect_spec.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+require 'rubocop'
+require 'rubocop/rspec/support'
+require_relative '../../../../rubocop/cop/gitlab/intersect'
+
+RSpec.describe RuboCop::Cop::Gitlab::Intersect, type: :rubocop do
+  include CopHelper
+
+  subject(:cop) { described_class.new }
+
+  it 'flags the use of Gitlab::SQL::Intersect.new' do
+    expect_offense(<<~SOURCE)
+    Gitlab::SQL::Intersect.new([foo])
+    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Use the `FromIntersect` concern, instead of using `Gitlab::SQL::Intersect` directly
+    SOURCE
+  end
+end