1 files changed, 98 insertions, 0 deletions
diff --git a/spec/rubocop/cop/rspec/duplicate_spec_location_spec.rb b/spec/rubocop/cop/rspec/duplicate_spec_location_spec.rb
new file mode 100644
index 00000000000..f209ae81661
--- /dev/null
+++ b/spec/rubocop/cop/rspec/duplicate_spec_location_spec.rb
@@ -0,0 +1,98 @@
+# frozen_string_literal: true
+
+require 'rubocop_spec_helper'
+
+require_relative '../../../../rubocop/cop/rspec/duplicate_spec_location'
+
+RSpec.describe RuboCop::Cop::RSpec::DuplicateSpecLocation do
+  let(:rails_root) { '../../../../' }
+
+  def full_path(path)
+    File.expand_path(File.join(rails_root, path), __dir__)
+  end
+
+  context 'for a non-EE spec file' do
+    it 'registers no offenses' do
+      expect_no_offenses(<<~SOURCE, full_path('spec/foo_spec.rb'))
+        describe 'Foo' do
+        end
+      SOURCE
+    end
+  end
+
+  context 'for a non-EE application file' do
+    it 'registers no offenses' do
+      expect_no_offenses(<<~SOURCE, full_path('app/models/blog_post.rb'))
+        class BlogPost
+        end
+      SOURCE
+    end
+  end
+
+  context 'for an EE application file' do
+    it 'registers no offenses' do
+      expect_no_offenses(<<~SOURCE, full_path('ee/app/models/blog_post.rb'))
+        class BlogPost
+        end
+      SOURCE
+    end
+  end
+
+  context 'for an EE spec file for EE only code' do
+    let(:spec_file_path) { full_path('ee/spec/controllers/foo_spec.rb') }
+
+    it 'registers no offenses' do
+      expect_no_offenses(<<~SOURCE, spec_file_path)
+        describe 'Foo' do
+        end
+      SOURCE
+    end
+
+    context 'when there is a duplicate file' do
+      before do
+        allow(File).to receive(:exist?).and_call_original
+
+        allow(File).to receive(:exist?)
+          .with(full_path('ee/spec/controllers/ee/foo_spec.rb'))
+          .and_return(true)
+      end
+
+      it 'marks the describe as offending' do
+        expect_offense(<<~SOURCE, spec_file_path)
+          describe 'Foo' do
+          ^^^^^^^^^^^^^^ Duplicate spec location in `ee/spec/controllers/ee/foo_spec.rb`.
+          end
+        SOURCE
+      end
+    end
+  end
+
+  context 'for an EE spec file for EE extension' do
+    let(:spec_file_path) { full_path('ee/spec/controllers/ee/foo_spec.rb') }
+
+    it 'registers no offenses' do
+      expect_no_offenses(<<~SOURCE, spec_file_path)
+        describe 'Foo' do
+        end
+      SOURCE
+    end
+
+    context 'when there is a duplicate file' do
+      before do
+        allow(File).to receive(:exist?).and_call_original
+
+        allow(File).to receive(:exist?)
+          .with(full_path('ee/spec/controllers/foo_spec.rb'))
+          .and_return(true)
+      end
+
+      it 'marks the describe as offending' do
+        expect_offense(<<~SOURCE, spec_file_path)
+          describe 'Foo' do
+          ^^^^^^^^^^^^^^ Duplicate spec location in `ee/spec/controllers/foo_spec.rb`.
+          end
+        SOURCE
+      end
+    end
+  end
+end