1 files changed, 73 insertions, 0 deletions
diff --git a/spec/rubocop/cop/gitlab/namespaced_class_spec.rb b/spec/rubocop/cop/gitlab/namespaced_class_spec.rb
new file mode 100644
index 00000000000..d1f61aa5afb
--- /dev/null
+++ b/spec/rubocop/cop/gitlab/namespaced_class_spec.rb
@@ -0,0 +1,73 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+require 'rubocop'
+require 'rubocop/rspec/support'
+require_relative '../../../../rubocop/cop/gitlab/namespaced_class'
+
+RSpec.describe RuboCop::Cop::Gitlab::NamespacedClass do
+  subject(:cop) { described_class.new }
+
+  it 'flags a class definition without namespace' do
+    expect_offense(<<~SOURCE)
+      class MyClass
+      ^^^^^^^^^^^^^ #{described_class::MSG}
+      end
+    SOURCE
+  end
+
+  it 'flags a class definition with inheritance without namespace' do
+    expect_offense(<<~SOURCE)
+      class MyClass < ApplicationRecord
+      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ #{described_class::MSG}
+        def some_method
+          true
+        end
+      end
+    SOURCE
+  end
+
+  it 'does not flag the class definition with namespace in separate lines' do
+    expect_no_offenses(<<~SOURCE)
+      module MyModule
+        class MyClass < ApplicationRecord
+        end
+
+        class MyOtherClass
+          def other_method
+            1 + 1
+          end
+        end
+      end
+    SOURCE
+  end
+
+  it 'does not flag the class definition with nested namespace in separate lines' do
+    expect_no_offenses(<<~SOURCE)
+      module TopLevelModule
+        module NestedModule
+          class MyClass
+          end
+        end
+      end
+    SOURCE
+  end
+
+  it 'does not flag the class definition nested inside namespaced class' do
+    expect_no_offenses(<<~SOURCE)
+      module TopLevelModule
+        class TopLevelClass
+          class MyClass
+          end
+        end
+      end
+    SOURCE
+  end
+
+  it 'does not flag a compact namespaced class definition' do
+    expect_no_offenses(<<~SOURCE)
+      class MyModule::MyClass < ApplicationRecord
+      end
+    SOURCE
+  end
+end