[GO CLIENT] Fix issue with generating code for API key (#6630)

* [GO CLIENT] Fix Go security query parameter generation by using correct string literal and using the Add method.

* Add generated files.

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

@@ -196,7 +196,7 @@ func (a *{{{classname}}}Service) {{{nickname}}}({{#hasAuthMethods}}ctx context.C
 			} else {
 				key = auth.Key
 			}
-			{{#isKeyInHeader}}localVarHeaderParams["{{keyParamName}}"] = key{{/isKeyInHeader}}{{#isKeyInQuery}}localVarQueryParams['{{keyParamName}}'] = key{{/isKeyInQuery}}
+			{{#isKeyInHeader}}localVarHeaderParams["{{keyParamName}}"] = key{{/isKeyInHeader}}{{#isKeyInQuery}}localVarQueryParams.Add("{{keyParamName}}", key){{/isKeyInQuery}}
 		}
 	}
 {{/isApiKey}}

samples/client/petstore-security-test/go/.swagger-codegen/VERSION

@@ -0,0 +1 @@
+2.3.0-SNAPSHOT

samples/client/petstore-security-test/go/api_client.go

@@ -256,6 +256,11 @@ func (c *APIClient) prepareRequest (
 		localVarRequest.Header = headers
 	}
 
+	// Override request host, if applicable
+	if c.cfg.Host != "" {
+		localVarRequest.Host = c.cfg.Host
+	}
+	
 	// Add the user agent to the request.
 	localVarRequest.Header.Add("User-Agent", c.cfg.UserAgent)
 	

samples/client/petstore/go/go-petstore/README.md

@@ -21,6 +21,7 @@ All URIs are relative to *http://petstore.swagger.io:80/v2*
 
 Class | Method | HTTP request | Description
 ------------ | ------------- | ------------- | -------------
+*AnotherFakeApi* | [**TestSpecialTags**](docs/AnotherFakeApi.md#testspecialtags) | **Patch** /another-fake/dummy | To test special tags
 *FakeApi* | [**FakeOuterBooleanSerialize**](docs/FakeApi.md#fakeouterbooleanserialize) | **Post** /fake/outer/boolean | 
 *FakeApi* | [**FakeOuterCompositeSerialize**](docs/FakeApi.md#fakeoutercompositeserialize) | **Post** /fake/outer/composite | 
 *FakeApi* | [**FakeOuterNumberSerialize**](docs/FakeApi.md#fakeouternumberserialize) | **Post** /fake/outer/number | 
@@ -29,7 +30,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**TestEndpointParameters**](docs/FakeApi.md#testendpointparameters) | **Post** /fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
 *FakeApi* | [**TestEnumParameters**](docs/FakeApi.md#testenumparameters) | **Get** /fake | To test enum parameters
 *FakeApi* | [**TestJsonFormData**](docs/FakeApi.md#testjsonformdata) | **Get** /fake/jsonFormData | test json serialization of form data
-*Fake_classname_tags123Api* | [**TestClassname**](docs/Fake_classname_tags123Api.md#testclassname) | **Patch** /fake_classname_test | To test class name in snake case
+*FakeClassnameTags123Api* | [**TestClassname**](docs/FakeClassnameTags123Api.md#testclassname) | **Patch** /fake_classname_test | To test class name in snake case
 *PetApi* | [**AddPet**](docs/PetApi.md#addpet) | **Post** /pet | Add a new pet to the store
 *PetApi* | [**DeletePet**](docs/PetApi.md#deletepet) | **Delete** /pet/{petId} | Deletes a pet
 *PetApi* | [**FindPetsByStatus**](docs/PetApi.md#findpetsbystatus) | **Get** /pet/findByStatus | Finds Pets by status
@@ -97,6 +98,17 @@ Class | Method | HTTP request | Description
 ## api_key
 - **Type**: API key 
 
+Example
+```
+	auth := context.WithValue(context.TODO(), sw.ContextAPIKey, sw.APIKey{
+		Key: "APIKEY",
+		Prefix: "Bearer", // Omit if not necessary.
+	})
+    r, err := client.Service.Operation(auth, args)
+```
+## api_key_query
+- **Type**: API key 
+
 Example
 ```
 	auth := context.WithValue(context.TODO(), sw.ContextAPIKey, sw.APIKey{

samples/client/petstore/go/go-petstore/another_fake_api.go

@@ -0,0 +1,93 @@
+/* 
+ * Swagger Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ * Generated by: https://github.com/swagger-api/swagger-codegen.git
+ */
+
+package petstore
+
+import (
+	"net/url"
+	"net/http"
+	"strings"
+	"golang.org/x/net/context"
+	"encoding/json"
+)
+
+// Linger please
+var (
+	_ context.Context
+)
+
+type AnotherFakeApiService service
+
+
+/* AnotherFakeApiService To test special tags
+ To test special tags
+
+ @param body client model
+ @return Client*/
+func (a *AnotherFakeApiService) TestSpecialTags(body Client) (Client,  *http.Response, error) {
+	var (
+		localVarHttpMethod = strings.ToUpper("Patch")
+		localVarPostBody interface{}
+		localVarFileName string
+		localVarFileBytes []byte
+	 	successPayload  Client
+	)
+
+	// create path and map variables
+	localVarPath := a.client.cfg.BasePath + "/another-fake/dummy"
+
+	localVarHeaderParams := make(map[string]string)
+	localVarQueryParams := url.Values{}
+	localVarFormParams := url.Values{}
+
+
+	// to determine the Content-Type header
+	localVarHttpContentTypes := []string{ "application/json",  }
+
+	// set Content-Type header
+	localVarHttpContentType := selectHeaderContentType(localVarHttpContentTypes)
+	if localVarHttpContentType != "" {
+		localVarHeaderParams["Content-Type"] = localVarHttpContentType
+	}
+
+	// to determine the Accept header
+	localVarHttpHeaderAccepts := []string{
+		"application/json",
+		}
+
+	// set Accept header
+	localVarHttpHeaderAccept := selectHeaderAccept(localVarHttpHeaderAccepts)
+	if localVarHttpHeaderAccept != "" {
+		localVarHeaderParams["Accept"] = localVarHttpHeaderAccept
+	}
+	// body params
+	localVarPostBody = &body
+	r, err := a.client.prepareRequest(nil, localVarPath, localVarHttpMethod, localVarPostBody, localVarHeaderParams, localVarQueryParams, localVarFormParams, localVarFileName, localVarFileBytes)
+	if err != nil {
+		return successPayload, nil, err
+	}
+
+	 localVarHttpResponse, err := a.client.callAPI(r)
+	 if err != nil || localVarHttpResponse == nil {
+		  return successPayload, localVarHttpResponse, err
+	 }
+	 defer localVarHttpResponse.Body.Close()
+	 if localVarHttpResponse.StatusCode >= 300 {
+		return successPayload, localVarHttpResponse, reportError(localVarHttpResponse.Status)
+	 }
+	
+	if err = json.NewDecoder(localVarHttpResponse.Body).Decode(&successPayload); err != nil {
+	 	return successPayload, localVarHttpResponse, err
+	}
+
+
+	return successPayload, localVarHttpResponse, err
+}
+

samples/client/petstore/go/go-petstore/api_client.go

@@ -44,8 +44,9 @@ type APIClient struct {
 	common 	service 		// Reuse a single struct instead of allocating one for each service on the heap.
 
 	 // API Services
+	AnotherFakeApi	*AnotherFakeApiService
 	FakeApi	*FakeApiService
-	Fake_classname_tags123Api	*Fake_classname_tags123ApiService
+	FakeClassnameTags123Api	*FakeClassnameTags123ApiService
 	PetApi	*PetApiService
 	StoreApi	*StoreApiService
 	UserApi	*UserApiService
@@ -67,8 +68,9 @@ func NewAPIClient(cfg *Configuration) *APIClient {
 	c.common.client = c
 
 	// API Services
+	c.AnotherFakeApi = (*AnotherFakeApiService)(&c.common)
 	c.FakeApi = (*FakeApiService)(&c.common)
-	c.Fake_classname_tags123Api = (*Fake_classname_tags123ApiService)(&c.common)
+	c.FakeClassnameTags123Api = (*FakeClassnameTags123ApiService)(&c.common)
 	c.PetApi = (*PetApiService)(&c.common)
 	c.StoreApi = (*StoreApiService)(&c.common)
 	c.UserApi = (*UserApiService)(&c.common)

samples/client/petstore/go/go-petstore/docs/AnotherFakeApi.md

@@ -0,0 +1,36 @@
+# \AnotherFakeApi
+
+All URIs are relative to *http://petstore.swagger.io:80/v2*
+
+Method | HTTP request | Description
+------------- | ------------- | -------------
+[**TestSpecialTags**](AnotherFakeApi.md#TestSpecialTags) | **Patch** /another-fake/dummy | To test special tags
+
+
+# **TestSpecialTags**
+> Client TestSpecialTags(body)
+To test special tags
+
+To test special tags
+
+### Required Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+  **body** | [**Client**](Client.md)| client model | 
+
+### Return type
+
+[**Client**](Client.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: application/json
+ - **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+

samples/client/petstore/go/go-petstore/docs/FakeClassnameTags123Api.md

@@ -0,0 +1,35 @@
+# \FakeClassnameTags123Api
+
+All URIs are relative to *http://petstore.swagger.io:80/v2*
+
+Method | HTTP request | Description
+------------- | ------------- | -------------
+[**TestClassname**](FakeClassnameTags123Api.md#TestClassname) | **Patch** /fake_classname_test | To test class name in snake case
+
+
+# **TestClassname**
+> Client TestClassname(ctx, body)
+To test class name in snake case
+
+### Required Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **ctx** | **context.Context** | context containing the authentication | nil if no authentication
+  **body** | [**Client**](Client.md)| client model | 
+
+### Return type
+
+[**Client**](Client.md)
+
+### Authorization
+
+[api_key_query](../README.md#api_key_query)
+
+### HTTP request headers
+
+ - **Content-Type**: application/json
+ - **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+

samples/client/petstore/go/go-petstore/docs/StoreApi.md

@@ -48,7 +48,7 @@ This endpoint does not need any parameter.
 
 ### Return type
 
-[**map[string]int32**](map.md)
+**map[string]int32**
 
 ### Authorization
 

samples/client/petstore/go/go-petstore/fake_classname_tags123_api.go

@@ -23,14 +23,14 @@ var (
 	_ context.Context
 )
 
-type Fake_classname_tags123ApiService service
+type FakeClassnameTags123ApiService service
 
 
-/* Fake_classname_tags123ApiService To test class name in snake case
+/* FakeClassnameTags123ApiService To test class name in snake case
-
+ * @param ctx context.Context Authentication Context 
  @param body client model
  @return Client*/
-func (a *Fake_classname_tags123ApiService) TestClassname(body Client) (Client,  *http.Response, error) {
+func (a *FakeClassnameTags123ApiService) TestClassname(ctx context.Context, body Client) (Client,  *http.Response, error) {
 	var (
 		localVarHttpMethod = strings.ToUpper("Patch")
 		localVarPostBody interface{}
@@ -68,7 +68,19 @@ func (a *Fake_classname_tags123ApiService) TestClassname(body Client) (Client,
 	}
 	// body params
 	localVarPostBody = &body
-	r, err := a.client.prepareRequest(nil, localVarPath, localVarHttpMethod, localVarPostBody, localVarHeaderParams, localVarQueryParams, localVarFormParams, localVarFileName, localVarFileBytes)
+	if ctx != nil {
+		// API Key Authentication
+		if auth, ok := ctx.Value(ContextAPIKey).(APIKey); ok {
+			var key string
+			if auth.Prefix != "" {
+				key = auth.Prefix + " " + auth.Key
+			} else {
+				key = auth.Key
+			}
+			localVarQueryParams.Add("api_key_query", key)
+		}
+	}
+	r, err := a.client.prepareRequest(ctx, localVarPath, localVarHttpMethod, localVarPostBody, localVarHeaderParams, localVarQueryParams, localVarFormParams, localVarFileName, localVarFileBytes)
 	if err != nil {
 		return successPayload, nil, err
 	}