/*
    * SPDX-FileCopyrightText: Copyright (c) 2011-2025 Yegor Bugayenko
    * SPDX-License-Identifier: MIT
    */
   package com.jcabi.http.wire;
   
   import com.jcabi.http.Request;
   import com.jcabi.http.mock.MkAnswer;
   import com.jcabi.http.mock.MkContainer;
  import com.jcabi.http.mock.MkGrizzlyContainer;
  import com.jcabi.http.request.JdkRequest;
  import com.jcabi.http.response.RestResponse;
  import jakarta.ws.rs.core.HttpHeaders;
  import java.io.IOException;
  import java.net.HttpURLConnection;
  import org.hamcrest.Matchers;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test case for {@link ETagCachingWire}.
   * @since 2.0
   */
  final class ETagCachingWireTest {
  
      /**
       * ETagCachingWire can take content from cache.
       * @throws IOException If something goes wrong inside
       */
      @Test
      void takesContentFromCache() throws IOException {
          final String body = "sample content";
          final MkContainer container = new MkGrizzlyContainer()
              .next(
                  new MkAnswer.Simple(body)
                  .withHeader(HttpHeaders.ETAG, "3e25")
              )
              .next(
                  new MkAnswer.Simple("")
                  .withStatus(HttpURLConnection.HTTP_NOT_MODIFIED)
              )
              .start();
          final Request req =
              new JdkRequest(container.home()).through(ETagCachingWire.class);
          req
              .fetch()
              .as(RestResponse.class)
              .assertStatus(HttpURLConnection.HTTP_OK)
              .assertBody(Matchers.equalTo(body));
          req
              .fetch()
              .as(RestResponse.class)
              .assertStatus(HttpURLConnection.HTTP_OK)
              .assertBody(Matchers.equalTo(body));
          container.stop();
      }
  
      /**
       * ETagCachingWire can detect content modification.
       * @throws IOException If something goes wrong inside
       */
      @Test
      void detectsContentModification() throws IOException {
          final String before = "before change";
          final String after = "after change";
          final MkContainer container = new MkGrizzlyContainer()
              .next(
                  new MkAnswer.Simple(before)
                      .withHeader(HttpHeaders.ETAG, "3e26")
              )
              .next(
                  new MkAnswer.Simple(after)
                      .withHeader(HttpHeaders.ETAG, "3e27")
              )
              .start();
          final Request req =
              new JdkRequest(container.home())
                  .through(ETagCachingWire.class);
          req
              .fetch()
              .as(RestResponse.class)
              .assertStatus(HttpURLConnection.HTTP_OK)
              .assertBody(Matchers.equalTo(before));
          req
              .fetch()
              .as(RestResponse.class)
              .assertStatus(HttpURLConnection.HTTP_OK)
              .assertBody(Matchers.equalTo(after));
          container.stop();
      }
  }