Add tests for http basic authentication in python client (#16488)

* add tests for http basic auth in python client

* add new files

samples/client/echo_api/java/feign-gson/src/main/java/org/openapitools/client/ApiClient.java

@@ -39,7 +39,15 @@ public class ApiClient {
     this();
     for(String authName : authNames) {
       log.log(Level.FINE, "Creating authentication {0}", authName);
-      throw new RuntimeException("auth name \"" + authName + "\" not found in available auth names");
+      RequestInterceptor auth = null;
+      if ("http_auth".equals(authName)) {
+        auth = new HttpBasicAuth();
+      } else {
+        throw new RuntimeException("auth name \"" + authName + "\" not found in available auth names");
+      }
+      if (auth != null) {
+        addAuthorization(authName, auth);
+      }
     }
   }
 

samples/client/echo_api/java/feign-gson/src/main/java/org/openapitools/client/api/AuthApi.java

@@ -0,0 +1,42 @@
+package org.openapitools.client.api;
+
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.EncodingUtils;
+import org.openapitools.client.model.ApiResponse;
+
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import feign.*;
+
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen")
+public interface AuthApi extends ApiClient.Api {
+
+
+  /**
+   * To test HTTP basic authentication
+   * To test HTTP basic authentication
+   * @return String
+   */
+  @RequestLine("POST /auth/http/basic")
+  @Headers({
+    "Accept: text/plain",
+  })
+  String testAuthHttpBasic();
+
+  /**
+   * To test HTTP basic authentication
+   * Similar to <code>testAuthHttpBasic</code> but it also returns the http response headers .
+   * To test HTTP basic authentication
+   * @return A ApiResponse that wraps the response boyd and the http headers.
+   */
+  @RequestLine("POST /auth/http/basic")
+  @Headers({
+    "Accept: text/plain",
+  })
+  ApiResponse<String> testAuthHttpBasicWithHttpInfo();
+
+
+}

samples/client/echo_api/java/feign-gson/src/test/java/org/openapitools/client/api/AuthApiTest.java

@@ -0,0 +1,40 @@
+package org.openapitools.client.api;
+
+import org.openapitools.client.ApiClient;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.BeforeEach;
+
+import java.time.LocalDate;
+import java.time.OffsetDateTime;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * API tests for AuthApi
+ */
+class AuthApiTest {
+
+    private AuthApi api;
+
+    @BeforeEach
+    public void setup() {
+        api = new ApiClient().buildClient(AuthApi.class);
+    }
+
+    
+    /**
+     * To test HTTP basic authentication
+     *
+     * To test HTTP basic authentication
+     */
+    @Test
+    void testAuthHttpBasicTest() {
+        // String response = api.testAuthHttpBasic();
+
+        // TODO: test validations
+    }
+
+    
+}