/*
    * Copyright (c) 2011-2022, jcabi.com
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met: 1) Redistributions of source code must retain the above
    * copyright notice, this list of conditions and the following
    * disclaimer. 2) Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following
   * disclaimer in the documentation and/or other materials provided
   * with the distribution. 3) Neither the name of the jcabi.com nor
   * the names of its contributors may be used to endorse or promote
   * products derived from this software without specific prior written
   * permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  package com.jcabi.http.request;
  
  import com.jcabi.http.Request;
  import com.jcabi.http.response.RestResponse;
  import jakarta.ws.rs.core.HttpHeaders;
  import jakarta.ws.rs.core.MediaType;
  import java.io.ByteArrayInputStream;
  import java.net.HttpURLConnection;
  import java.net.URI;
  import java.nio.charset.StandardCharsets;
  import org.hamcrest.MatcherAssert;
  import org.hamcrest.Matchers;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.function.Executable;
  
  /**
   * Test case for {@link FakeRequest}.
   * @since 1.0
   */
  final class FakeRequestTest {
  
      /**
       * FakeRequest can fetch a fake response.
       * @throws Exception If something goes wrong inside
       */
      @Test
      void sendsHttpRequestAndProcessesHttpResponse() throws Exception {
          this.generateMainRequest()
              .withBody("how are you?")
              .uri().path("/helloall").back()
              .method(Request.POST)
              .fetch().as(RestResponse.class)
              .assertStatus(HttpURLConnection.HTTP_OK)
              .assertHeader(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_PLAIN)
              .assertBody(Matchers.containsString("are you?"));
      }
  
      /**
       * FakeRequest can fetch a fake response with binary response.
       * @throws Exception If something goes wrong inside.
       */
      @Test
      void sendsHttpRequestAndProcessesHttpBinaryResponse()
          throws Exception {
          final byte[] content = "Binary body content".getBytes();
          this.generateMainRequest()
              .withBody(content)
              .uri().path("/binContent").back()
              .method(Request.POST)
              .fetch().as(RestResponse.class)
              .assertStatus(HttpURLConnection.HTTP_OK)
              .assertHeader(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_PLAIN)
              .assertBinary(Matchers.equalTo(content));
      }
  
      /**
       * FakeRequest can change URI.
       * @throws Exception If something goes wrong inside
       */
      @Test
      void changesUri() throws Exception {
          MatcherAssert.assertThat(
              new FakeRequest()
                  .uri().set(new URI("http://facebook.com")).back()
                  .uri().get().toString(),
              Matchers.endsWith("facebook.com/")
          );
      }
  
     /**
      * FakeRequest can change URI in response.
      * @throws Exception If something goes wrong inside
      */
     @Test
     void changesUriInResponse() throws Exception {
         MatcherAssert.assertThat(
             new FakeRequest()
                 .uri().set(new URI("http://google.com")).back()
                 .fetch().back()
                 .uri().get().toString(),
             Matchers.containsString("google.com")
         );
     }
 
     /**
      * FakeRequest.fetch(InputStream) throws an exception if a non-empty body
      * has been previously set.
      */
     @Test
     void fetchThrowsExceptionWhenBodyIsNotEmpty() {
         Assertions.assertThrows(
             IllegalStateException.class,
             new Executable() {
                 @Override
                 public void execute() throws Throwable {
                     new FakeRequest()
                         .withStatus(HttpURLConnection.HTTP_OK)
                         .withBody("blah")
                         .fetch(
                             new ByteArrayInputStream(
                                 "foo".getBytes(StandardCharsets.UTF_8)
                             )
                         );
                 }
             }
         );
     }
 
     /**
      * FakeRequest returns the Response Body if the Request Body is set.
      * @throws Exception If something goes wrong inside.
      * @link https://github.com/jcabi/jcabi-http/issues/47
      */
     @Test
     void fakeRequestReturnsResponseBody() throws Exception {
         final String response = "the response body";
         final String request = "the request body";
         new FakeRequest().withBody(response)
             .body().set(request).back()
             .fetch()
             .as(RestResponse.class)
             .assertBody(
                 Matchers.allOf(
                     Matchers.is(response),
                     Matchers.not(Matchers.is(request))
                 )
             );
     }
 
     /**
      * FakeRequest can identify itself uniquely.
      */
     @Test
     void identifiesUniquely() {
         MatcherAssert.assertThat(
             new FakeRequest().header("header-1", "value-1"),
             Matchers.not(
                 Matchers.equalTo(
                     new FakeRequest().header("header-2", "value-2")
                 )
             )
         );
         MatcherAssert.assertThat(
             new FakeRequest(),
             Matchers.equalTo(new FakeRequest())
         );
     }
 
     /**
      * Helper method that generates a FakeRequest.
      * @return An instance of FakeRequest.
      */
     private FakeRequest generateMainRequest() {
         return new FakeRequest()
             .withStatus(HttpURLConnection.HTTP_OK)
             .withReason("OK")
             .withHeader(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_PLAIN);
     }
 
 }