1 files changed, 62 insertions, 0 deletions
diff --git a/spec/rubocop/cop/rspec/factory_bot/local_static_assignment_spec.rb b/spec/rubocop/cop/rspec/factory_bot/local_static_assignment_spec.rb
new file mode 100644
index 00000000000..de86435616c
--- /dev/null
+++ b/spec/rubocop/cop/rspec/factory_bot/local_static_assignment_spec.rb
@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+require 'rubocop_spec_helper'
+
+require_relative '../../../../../rubocop/cop/rspec/factory_bot/local_static_assignment'
+
+RSpec.describe RuboCop::Cop::RSpec::FactoryBot::LocalStaticAssignment, feature_category: :tooling do
+  shared_examples 'local static assignment' do |block|
+    it "flags static local assignment in `#{block}`" do
+      expect_offense(<<~RUBY, block: block)
+        %{block} do
+          age
+          name
+
+          random_number = rand(23)
+          ^^^^^^^^^^^^^^^^^^^^^^^^ Avoid local static assignemnts in factories which lead to static data definitions.
+
+          random_string = SecureRandom.uuid
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Avoid local static assignemnts in factories which lead to static data definitions.
+
+          project
+        end
+      RUBY
+    end
+
+    it 'does not flag correct use' do
+      expect_no_offenses(<<~RUBY)
+        #{block} do
+          age do
+            random_number = rand(23)
+            random_number + 1
+          end
+        end
+      RUBY
+    end
+  end
+
+  it_behaves_like 'local static assignment', 'factory :project'
+  it_behaves_like 'local static assignment', 'transient'
+  it_behaves_like 'local static assignment', 'trait :closed'
+
+  it 'does not flag local assignments in unrelated blocks' do
+    expect_no_offenses(<<~RUBY)
+      factory :project do
+        sequence(:number) do |n|
+          random_number = rand(23)
+          random_number * n
+        end
+
+        name do
+          random_string = SecureRandom.uuid
+          random_string + "-name"
+        end
+
+        initialize_with do
+          random_string = SecureRandom.uuid
+          new(name: random_string)
+        end
+      end
+    RUBY
+  end
+end