Add collapsed directories feature spec

spec/features/autoloader_spec.rb

@@ -0,0 +1,97 @@
+RSpec.describe "Autoloader", with_gem: :some_gem do
+  include_context :kangaru_initialised
+
+  describe "collapsed directories" do
+    describe "controllers" do
+      shared_examples :does_not_find_controller do
+        it "does not find the controller" do
+          gem.load!
+          expect(SomeGem).not_to be_const_defined(:SomeController)
+        end
+      end
+
+      shared_examples :finds_controller do
+        it "finds the controller" do
+          gem.load!
+          expect(SomeGem).to be_const_defined(:SomeController)
+        end
+      end
+
+      context "when controller is not defined" do
+        include_examples :does_not_find_controller
+      end
+
+      context "when controller is defined" do
+        before do
+          gem.path("controllers", ext: nil).mkdir
+
+          model_path.write(<<~RUBY)
+            module SomeGem
+              class SomeController < Kangaru::Controller
+                def default = nil
+              end
+            end
+          RUBY
+        end
+
+        context "and controller exists in gem base directory" do
+          let(:model_path) { gem.path("some_controller") }
+
+          include_examples :finds_controller
+        end
+
+        context "and controller exists in controllers directory" do
+          let(:model_path) { gem.path("controllers", "some_controller") }
+
+          include_examples :finds_controller
+        end
+      end
+    end
+
+    describe "models" do
+      shared_examples :does_not_find_model do
+        it "does not find the model" do
+          gem.load!
+          expect(SomeGem).not_to be_const_defined(:SomeModel)
+        end
+      end
+
+      shared_examples :finds_model do
+        it "finds the model" do
+          gem.load!
+          expect(SomeGem).to be_const_defined(:SomeModel)
+        end
+      end
+
+      context "when model is not defined" do
+        include_examples :does_not_find_model
+      end
+
+      context "when model is defined" do
+        before do
+          gem.path("models", ext: nil).mkdir
+
+          model_path.write(<<~RUBY)
+            module SomeGem
+              class SomeModel < Sequel::Model
+                def default = nil
+              end
+            end
+          RUBY
+        end
+
+        context "and model exists in gem base directory" do
+          let(:model_path) { gem.path("some_model") }
+
+          include_examples :finds_model
+        end
+
+        context "and model exists in models directory" do
+          let(:model_path) { gem.path("models", "some_model") }
+
+          include_examples :finds_model
+        end
+      end
+    end
+  end
+end