update go readme, update pom go dependencies (#274)

modules/openapi-generator/src/main/resources/go/README.mustache

@@ -5,7 +5,7 @@
 {{/appDescription}}
 
 ## Overview
-This API client was generated by the [swagger-codegen](https://github.com/swagger-api/swagger-codegen) project.  By using the [swagger-spec](https://github.com/swagger-api/swagger-spec) from a remote server, you can easily generate an API client.
+This API client was generated by the [openapi-generator](https://github.com/openapitools/openapi-generator) project.  By using the [OpenAPI-spec](https://www.openapis.org/) from a remote server, you can easily generate an API client.
 
 - API version: {{appVersion}}
 - Package version: {{packageVersion}}
@@ -18,6 +18,16 @@ For more information, please visit [{{{infoUrl}}}]({{{infoUrl}}})
 {{/infoUrl}}
 
 ## Installation
+
+Install the following dependencies:
+```
+go get github.com/stretchr/testify/assert
+go get golang.org/x/oauth2
+go get golang.org/x/net/context
+go get gopkg.in/go-resty/resty.v0
+go get github.com/antihax/optional
+```
+
 Put the package under your project folder and add the following in import:
 ```golang
 import "./{{packageName}}"

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

@@ -3,13 +3,23 @@
 This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
 
 ## Overview
-This API client was generated by the [swagger-codegen](https://github.com/swagger-api/swagger-codegen) project.  By using the [swagger-spec](https://github.com/swagger-api/swagger-spec) from a remote server, you can easily generate an API client.
+This API client was generated by the [openapi-generator](https://github.com/openapitools/openapi-generator) project.  By using the [OpenAPI-spec](https://www.openapis.org/) from a remote server, you can easily generate an API client.
 
 - API version: 1.0.0
 - Package version: 1.0.0
 - Build package: org.openapitools.codegen.languages.GoClientCodegen
 
 ## Installation
+
+Install the following dependencies:
+```
+go get github.com/stretchr/testify/assert
+go get golang.org/x/oauth2
+go get golang.org/x/net/context
+go get gopkg.in/go-resty/resty.v0
+go get github.com/antihax/optional
+```
+
 Put the package under your project folder and add the following in import:
 ```golang
 import "./petstore"

samples/client/petstore/go/go-petstore/api/openapi.yaml

@@ -100,11 +100,11 @@ paths:
           type: array
           items:
             type: string
+            default: available
             enum:
             - available
             - pending
             - sold
-            default: available
       responses:
         200:
           description: successful operation
@@ -613,20 +613,20 @@ paths:
           type: array
           items:
             type: string
+            default: $
             enum:
             - '>'
             - $
-            default: $
       - name: enum_header_string
         in: header
         description: Header parameter enum test (string)
         schema:
           type: string
+          default: -efg
           enum:
           - _abc
           - -efg
           - (xyz)
-          default: -efg
       - name: enum_query_string_array
         in: query
         description: Query parameter enum test (string array)
@@ -635,20 +635,20 @@ paths:
           type: array
           items:
             type: string
+            default: $
             enum:
             - '>'
             - $
-            default: $
       - name: enum_query_string
         in: query
         description: Query parameter enum test (string)
         schema:
           type: string
+          default: -efg
           enum:
           - _abc
           - -efg
           - (xyz)
-          default: -efg
       - name: enum_query_integer
         in: query
         description: Query parameter enum test (double)
@@ -677,18 +677,18 @@ paths:
                   description: Form parameter enum test (string array)
                   items:
                     type: string
+                    default: $
                     enum:
                     - '>'
                     - $
-                    default: $
                 enum_form_string:
                   type: string
                   description: Form parameter enum test (string)
+                  default: -efg
                   enum:
                   - _abc
                   - -efg
                   - (xyz)
-                  default: -efg
       responses:
         400:
           description: Invalid request
@@ -1100,11 +1100,11 @@ components:
         name: Name
     EnumClass:
       type: string
+      default: -efg
       enum:
       - _abc
       - -efg
       - (xyz)
-      default: -efg
     List:
       type: object
       properties:

samples/client/petstore/go/go-petstore/api_fake.go

@@ -32,12 +32,12 @@ FakeApiService
 Test serialization of outer boolean types
  * @param ctx context.Context - for authentication, logging, cancellation, deadlines, tracing, etc. Passed from http.Request or context.Background().
  * @param optional nil or *FakeOuterBooleanSerializeOpts - Optional Parameters:
- * @param "BooleanPostBody" (optional.Bool) -  Input boolean as post body
+ * @param "Body" (optional.Bool) -  Input boolean as post body
 @return bool
 */
 
 type FakeOuterBooleanSerializeOpts struct {
-    BooleanPostBody optional.Bool
+    Body optional.Bool
 }
 
 func (a *FakeApiService) FakeOuterBooleanSerialize(ctx context.Context, localVarOptionals *FakeOuterBooleanSerializeOpts) (bool, *http.Response, error) {
@@ -74,8 +74,8 @@ func (a *FakeApiService) FakeOuterBooleanSerialize(ctx context.Context, localVar
 		localVarHeaderParams["Accept"] = localVarHttpHeaderAccept
 	}
 	// body params
-	if localVarOptionals != nil && localVarOptionals.BooleanPostBody.IsSet() {
+	if localVarOptionals != nil && localVarOptionals.Body.IsSet() {
-		localVarPostBody = localVarOptionals.BooleanPostBody.Value()
+		localVarPostBody = localVarOptionals.Body.Value()
 	}
 
 	r, err := a.client.prepareRequest(ctx, localVarPath, localVarHttpMethod, localVarPostBody, localVarHeaderParams, localVarQueryParams, localVarFormParams, localVarFileName, localVarFileBytes)

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

@@ -34,7 +34,7 @@ Optional parameters are passed through a pointer to a FakeOuterBooleanSerializeO
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **booleanPostBody** | **optional.Bool**| Input boolean as post body | 
+ **body** | **optional.Bool**| Input boolean as post body | 
 
 ### Return type
 

samples/client/petstore/go/pom.xml

@@ -82,6 +82,20 @@
                             </arguments>
                         </configuration>
                     </execution>
+                    <execution>
+                        <id>go-get-resty</id>
+                        <phase>pre-integration-test</phase>
+                        <goals>
+                            <goal>exec</goal>
+                        </goals>
+                        <configuration>
+                            <executable>go</executable>
+                            <arguments>
+                                <argument>get</argument>
+                                <argument>github.com/antihax/optional</argument>
+                            </arguments>
+                        </configuration>
+                    </execution>
                     <execution>
                         <id>go-test</id>
                         <phase>integration-test</phase>