Added tests and documented app_name.

Author: dblock

README.md

@@ -28,14 +28,19 @@ Add this line to `./config/routes.rb`:
 mount GrapeSwaggerRails::Engine => '/swagger'
 ```
 
-Create an initializer (e.g. `./config/initializers/swagger.rb`) and specify the URL to your Swagger API schema:
+Create an initializer (e.g. `./config/initializers/swagger.rb`) and specify the URL to your Swagger API schema and app:
 
 ```ruby
 GrapeSwaggerRails.options.url      = '/swagger_doc.json'
-GrapeSwaggerRails.options.app_name = 'Swagger'
 GrapeSwaggerRails.options.app_url  = 'http://swagger.wordnik.com'
 ```
 
+You can set the app name, default is "Swagger".
+
+``` ruby
+GrapeSwaggerRails.options.app_name = 'Swagger'
+```
+
 You can specify additional headers to add to each request:
 
 ```ruby

spec/features/swagger_spec.rb

@@ -39,7 +39,7 @@
       it 'adds an Authorization header' do
         fill_in 'apiKey', with: 'username:password'
         find('#endpointListTogger_headers', visible: true).click
-        find('a[href="#!/headers/GET_api_headers_format"]', visible: true).click
+        first('a[href="#!/headers/GET_api_headers_format"]', visible: true).click
         click_button 'Try it out!'
         expect(page).to have_css "span.attribute", text: 'Authorization'
         expect(page).to have_css "span.string", text: "Basic #{Base64.encode64('username:password').strip}"
@@ -55,7 +55,7 @@
       it 'adds an Authorization header' do
         fill_in 'apiKey', with: 'token'
         find('#endpointListTogger_headers', visible: true).click
-        find('a[href="#!/headers/GET_api_headers_format"]', visible: true).click
+        first('a[href="#!/headers/GET_api_headers_format"]', visible: true).click
         click_button 'Try it out!'
         expect(page).to have_css "span.attribute", text: 'Authorization'
         expect(page).to have_css "span.string", text: 'Bearer token'
@@ -70,7 +70,7 @@
       it 'adds an api_token query parameter' do
         fill_in 'apiKey', with: 'dummy'
         find('#endpointListTogger_params', visible: true).click
-        find('a[href="#!/params/GET_api_params_format"]', visible: true).click
+        first('a[href="#!/params/GET_api_params_format"]', visible: true).click
         click_button 'Try it out!'
         expect(page).to have_css "span.attribute", text: 'api_token'
         expect(page).to have_css "span.string", text: "dummy"
@@ -90,6 +90,25 @@
         expect(page).to have_content "Unauthorized Access"
       end
     end
+    context "#app_name" do
+      context 'set' do
+        before do
+          GrapeSwaggerRails.options.app_name = "Test App"
+          visit '/swagger'
+        end
+        it 'sets page title' do
+          expect(page.title).to eq "Test App"
+        end
+      end
+      context 'not set' do
+        before do
+          visit '/swagger'
+        end
+        it 'defaults page title' do
+          expect(page.title).to eq "Swagger"
+        end
+      end
+    end
     after do
       GrapeSwaggerRails.options = @options
     end