Integration tests for exception handling

spec/integration/handle_exceptions_spec.rb

@@ -0,0 +1,61 @@
+RSpec.describe "handle exceptions", type: :cli do
+  it "doesn't handle exceptions in development mode" do
+    with_project do
+      generate_action
+
+      server do
+        get '/books/1'
+
+        expect(last_response.status).to eq(500)
+      end
+    end
+  end
+
+  it "doesn't handle exceptions in test mode" do
+    with_project do
+      generate_action
+
+      RSpec::Support::Env['HANAMI_ENV'] = 'test'
+
+      server do
+        get '/books/1'
+
+        expect(last_response.status).to eq(500)
+      end
+    end
+  end
+
+  it "handles exceptions in production mode" do
+    with_project do
+      generate_action
+
+      RSpec::Support::Env['HANAMI_ENV']   = 'production'
+      RSpec::Support::Env['DATABASE_URL'] = "file://#{Pathname.new('db').join('bookshelf')}"
+
+      server do
+        get '/books/1'
+
+        expect(last_response.status).to eq(400)
+      end
+    end
+  end
+
+  private
+
+  def generate_action # rubocop:disable Metrics/MethodLength
+    generate "action web books#show --url=/books/:id"
+
+    rewrite "apps/web/controllers/books/show.rb", <<-EOF
+module Web::Controllers::Books
+  class Show
+    include Web::Action
+    handle_exception ArgumentError => 400
+
+    def call(params)
+      raise ArgumentError.new("oh nooooo")
+    end
+  end
+end
+EOF
+  end
+end