default_spec.rb in grape-0.7.0

- old
+ new

@@ -30,10 +30,42 @@
         end
 
         get '/message' do
           { id: params[:id], type1: params[:type1], type2: params[:type2] }
         end
+
+        params do
+          optional :random, default: -> { Random.rand }
+          optional :not_random, default: Random.rand
+        end
+        get '/numbers' do
+          { random_number: params[:random], non_random_number: params[:non_random_number] }
+        end
+
+        params do
+          # NOTE: The :foo parameter could be made required with json body
+          # params, and then an empty hash would be valid. With query parameters
+          # it must be optional if it isn't provided at all, as otherwise
+          # the validaton for the Hash itself fails because there is no such
+          # thing as an empty hash.
+          optional :foo, type: Hash do
+            optional :bar, default: 'foo-bar'
+          end
+        end
+        get '/group' do
+          { foo_bar: params[:foo][:bar] }
+        end
+
+        params do
+          optional :array, type: Array do
+            requires :name
+            optional :with_default, default: 'default'
+          end
+        end
+        get '/array' do
+          { array: params[:array] }
+        end
       end
     end
   end
 
   def app
@@ -61,6 +93,31 @@
   it 'set default values for optional params and allow to use required fields in the same time' do
     get("/message?id=1")
     last_response.status.should == 200
     last_response.body.should == { id: '1', type1: 'default-type1', type2: 'default-type2' }.to_json
   end
+
+  it 'sets lambda based defaults at the time of call' do
+    get("/numbers")
+    last_response.status.should == 200
+    before = JSON.parse(last_response.body)
+    get("/numbers")
+    last_response.status.should == 200
+    after = JSON.parse(last_response.body)
+
+    before['non_random_number'].should == after['non_random_number']
+    before['random_number'].should_not == after['random_number']
+  end
+
+  it 'set default values for optional grouped params' do
+    get('/group')
+    last_response.status.should == 200
+    last_response.body.should == { foo_bar: 'foo-bar' }.to_json
+  end
+
+  it 'sets default values for grouped arrays' do
+    get('/array?array[][name]=name&array[][name]=name2&array[][with_default]=bar2')
+    last_response.status.should == 200
+    last_response.body.should == { array: [{ name: "name", with_default: "default" }, { name: "name2", with_default: "bar2" }] }.to_json
+  end
+
 end