/*
 * Copyright 2021 The Dapr Authors
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
limitations under the License.
*/

package io.dapr.client;

import io.dapr.config.Properties;
import org.junit.jupiter.api.Test;

import java.lang.reflect.Field;
import java.net.http.HttpClient;

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertSame;

public class DaprHttpBuilderTest {

  @Test
  public void singletonOkHttpClient() throws Exception {
    Properties properties = new Properties();
    DaprHttp daprHttp = new DaprHttpBuilder().build(properties);
    DaprHttp anotherDaprHttp = new DaprHttpBuilder().build(properties);

    assertSame(getHttpClient(daprHttp), getHttpClient(anotherDaprHttp));
  }

  private static HttpClient getHttpClient(DaprHttp daprHttp) throws Exception {
    Field httpClientField = DaprHttp.class.getDeclaredField("httpClient");
    httpClientField.setAccessible(true);
    HttpClient okHttpClient = (HttpClient) httpClientField.get(daprHttp);
    assertNotNull(okHttpClient);
    return okHttpClient;
  }

}
