Merge branch 'bug' of https://github.com/guohuang/swagger-codegen into guohuang-bug

modules/swagger-codegen/src/main/resources/go/api.mustache

@@ -39,7 +39,14 @@ func New{{classname}}WithBasePath(basePath string) *{{classname}}{
 {{/allParams}} * @return {{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}void{{/returnType}}
  */
 func (a {{classname}}) {{nickname}} ({{#allParams}}{{paramName}} {{{dataType}}}{{#hasMore}}, {{/hasMore}}{{/allParams}}) ({{#returnType}}{{{returnType}}}, {{/returnType}}error) {
-
+    {{#allParams}}
+    {{#required}}
+    // verify the required parameter '{{paramName}}' is set
+    if &{{paramName}} == nil {
+        return {{#returnType}}*new({{{returnType}}}), {{/returnType}}errors.New("Missing required parameter '{{paramName}}' when calling {{classname}}->{{operationId}}")
+    }
+    {{/required}}
+    {{/allParams}}
     _sling := sling.New().{{httpMethod}}(a.Configuration.BasePath)
 
     {{#authMethods}}// authentication ({{name}}) required

samples/client/petstore/go/pet_api.go

@@ -36,7 +36,10 @@ func NewPetApiWithBasePath(basePath string) *PetApi{
  * @return void
  */
 func (a PetApi) AddPet (body Pet) (error) {
-
+    // verify the required parameter 'body' is set
+    if &body == nil {
+        return errors.New("Missing required parameter 'body' when calling PetApi->AddPet")
+    }
     _sling := sling.New().Post(a.Configuration.BasePath)
 
     // authentication (petstore_auth) required
@@ -124,7 +127,10 @@ func (a PetApi) AddPet (body Pet) (error) {
  * @return void
  */
 func (a PetApi) DeletePet (petId int64, apiKey string) (error) {
-
+    // verify the required parameter 'petId' is set
+    if &petId == nil {
+        return errors.New("Missing required parameter 'petId' when calling PetApi->DeletePet")
+    }
     _sling := sling.New().Delete(a.Configuration.BasePath)
 
     // authentication (petstore_auth) required
@@ -210,7 +216,10 @@ func (a PetApi) DeletePet (petId int64, apiKey string) (error) {
  * @return []Pet
  */
 func (a PetApi) FindPetsByStatus (status []string) ([]Pet, error) {
-
+    // verify the required parameter 'status' is set
+    if &status == nil {
+        return *new([]Pet), errors.New("Missing required parameter 'status' when calling PetApi->FindPetsByStatus")
+    }
     _sling := sling.New().Get(a.Configuration.BasePath)
 
     // authentication (petstore_auth) required
@@ -297,7 +306,10 @@ func (a PetApi) FindPetsByStatus (status []string) ([]Pet, error) {
  * @return []Pet
  */
 func (a PetApi) FindPetsByTags (tags []string) ([]Pet, error) {
-
+    // verify the required parameter 'tags' is set
+    if &tags == nil {
+        return *new([]Pet), errors.New("Missing required parameter 'tags' when calling PetApi->FindPetsByTags")
+    }
     _sling := sling.New().Get(a.Configuration.BasePath)
 
     // authentication (petstore_auth) required
@@ -384,7 +396,10 @@ func (a PetApi) FindPetsByTags (tags []string) ([]Pet, error) {
  * @return Pet
  */
 func (a PetApi) GetPetById (petId int64) (Pet, error) {
-
+    // verify the required parameter 'petId' is set
+    if &petId == nil {
+        return *new(Pet), errors.New("Missing required parameter 'petId' when calling PetApi->GetPetById")
+    }
     _sling := sling.New().Get(a.Configuration.BasePath)
 
     // authentication (api_key) required
@@ -467,7 +482,10 @@ func (a PetApi) GetPetById (petId int64) (Pet, error) {
  * @return void
  */
 func (a PetApi) UpdatePet (body Pet) (error) {
-
+    // verify the required parameter 'body' is set
+    if &body == nil {
+        return errors.New("Missing required parameter 'body' when calling PetApi->UpdatePet")
+    }
     _sling := sling.New().Put(a.Configuration.BasePath)
 
     // authentication (petstore_auth) required
@@ -556,7 +574,10 @@ func (a PetApi) UpdatePet (body Pet) (error) {
  * @return void
  */
 func (a PetApi) UpdatePetWithForm (petId int64, name string, status string) (error) {
-
+    // verify the required parameter 'petId' is set
+    if &petId == nil {
+        return errors.New("Missing required parameter 'petId' when calling PetApi->UpdatePetWithForm")
+    }
     _sling := sling.New().Post(a.Configuration.BasePath)
 
     // authentication (petstore_auth) required
@@ -648,7 +669,10 @@ func (a PetApi) UpdatePetWithForm (petId int64, name string, status string) (err
  * @return ApiResponse
  */
 func (a PetApi) UploadFile (petId int64, additionalMetadata string, file *os.File) (ApiResponse, error) {
-
+    // verify the required parameter 'petId' is set
+    if &petId == nil {
+        return *new(ApiResponse), errors.New("Missing required parameter 'petId' when calling PetApi->UploadFile")
+    }
     _sling := sling.New().Post(a.Configuration.BasePath)
 
     // authentication (petstore_auth) required

samples/client/petstore/go/store_api.go

@@ -35,7 +35,10 @@ func NewStoreApiWithBasePath(basePath string) *StoreApi{
  * @return void
  */
 func (a StoreApi) DeleteOrder (orderId string) (error) {
-
+    // verify the required parameter 'orderId' is set
+    if &orderId == nil {
+        return errors.New("Missing required parameter 'orderId' when calling StoreApi->DeleteOrder")
+    }
     _sling := sling.New().Delete(a.Configuration.BasePath)
 
     
@@ -112,7 +115,6 @@ func (a StoreApi) DeleteOrder (orderId string) (error) {
  * @return map[string]int32
  */
 func (a StoreApi) GetInventory () (map[string]int32, error) {
-
     _sling := sling.New().Get(a.Configuration.BasePath)
 
     // authentication (api_key) required
@@ -193,7 +195,10 @@ func (a StoreApi) GetInventory () (map[string]int32, error) {
  * @return Order
  */
 func (a StoreApi) GetOrderById (orderId int64) (Order, error) {
-
+    // verify the required parameter 'orderId' is set
+    if &orderId == nil {
+        return *new(Order), errors.New("Missing required parameter 'orderId' when calling StoreApi->GetOrderById")
+    }
     _sling := sling.New().Get(a.Configuration.BasePath)
 
     
@@ -271,7 +276,10 @@ func (a StoreApi) GetOrderById (orderId int64) (Order, error) {
  * @return Order
  */
 func (a StoreApi) PlaceOrder (body Order) (Order, error) {
-
+    // verify the required parameter 'body' is set
+    if &body == nil {
+        return *new(Order), errors.New("Missing required parameter 'body' when calling StoreApi->PlaceOrder")
+    }
     _sling := sling.New().Post(a.Configuration.BasePath)
 
     

samples/client/petstore/go/user_api.go

@@ -35,7 +35,10 @@ func NewUserApiWithBasePath(basePath string) *UserApi{
  * @return void
  */
 func (a UserApi) CreateUser (body User) (error) {
-
+    // verify the required parameter 'body' is set
+    if &body == nil {
+        return errors.New("Missing required parameter 'body' when calling UserApi->CreateUser")
+    }
     _sling := sling.New().Post(a.Configuration.BasePath)
 
     
@@ -114,7 +117,10 @@ func (a UserApi) CreateUser (body User) (error) {
  * @return void
  */
 func (a UserApi) CreateUsersWithArrayInput (body []User) (error) {
-
+    // verify the required parameter 'body' is set
+    if &body == nil {
+        return errors.New("Missing required parameter 'body' when calling UserApi->CreateUsersWithArrayInput")
+    }
     _sling := sling.New().Post(a.Configuration.BasePath)
 
     
@@ -193,7 +199,10 @@ func (a UserApi) CreateUsersWithArrayInput (body []User) (error) {
  * @return void
  */
 func (a UserApi) CreateUsersWithListInput (body []User) (error) {
-
+    // verify the required parameter 'body' is set
+    if &body == nil {
+        return errors.New("Missing required parameter 'body' when calling UserApi->CreateUsersWithListInput")
+    }
     _sling := sling.New().Post(a.Configuration.BasePath)
 
     
@@ -272,7 +281,10 @@ func (a UserApi) CreateUsersWithListInput (body []User) (error) {
  * @return void
  */
 func (a UserApi) DeleteUser (username string) (error) {
-
+    // verify the required parameter 'username' is set
+    if &username == nil {
+        return errors.New("Missing required parameter 'username' when calling UserApi->DeleteUser")
+    }
     _sling := sling.New().Delete(a.Configuration.BasePath)
 
     
@@ -350,7 +362,10 @@ func (a UserApi) DeleteUser (username string) (error) {
  * @return User
  */
 func (a UserApi) GetUserByName (username string) (User, error) {
-
+    // verify the required parameter 'username' is set
+    if &username == nil {
+        return *new(User), errors.New("Missing required parameter 'username' when calling UserApi->GetUserByName")
+    }
     _sling := sling.New().Get(a.Configuration.BasePath)
 
     
@@ -429,7 +444,14 @@ func (a UserApi) GetUserByName (username string) (User, error) {
  * @return string
  */
 func (a UserApi) LoginUser (username string, password string) (string, error) {
-
+    // verify the required parameter 'username' is set
+    if &username == nil {
+        return *new(string), errors.New("Missing required parameter 'username' when calling UserApi->LoginUser")
+    }
+    // verify the required parameter 'password' is set
+    if &password == nil {
+        return *new(string), errors.New("Missing required parameter 'password' when calling UserApi->LoginUser")
+    }
     _sling := sling.New().Get(a.Configuration.BasePath)
 
     
@@ -510,7 +532,6 @@ Password    string `url:"password,omitempty"`
  * @return void
  */
 func (a UserApi) LogoutUser () (error) {
-
     _sling := sling.New().Get(a.Configuration.BasePath)
 
     
@@ -588,7 +609,14 @@ func (a UserApi) LogoutUser () (error) {
  * @return void
  */
 func (a UserApi) UpdateUser (username string, body User) (error) {
-
+    // verify the required parameter 'username' is set
+    if &username == nil {
+        return errors.New("Missing required parameter 'username' when calling UserApi->UpdateUser")
+    }
+    // verify the required parameter 'body' is set
+    if &body == nil {
+        return errors.New("Missing required parameter 'body' when calling UserApi->UpdateUser")
+    }
     _sling := sling.New().Put(a.Configuration.BasePath)