code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // to you 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 org.openqa.selenium.docker.v1_41;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.openqa.selenium.json.Json.MAP_TYPE;
  import static org.openqa.selenium.remote.http.Contents.utf8String;
  
  import java.io.UnsupportedEncodingException;
  import java.net.URLDecoder;
  import java.util.Map;
  import java.util.Set;
  import org.junit.jupiter.api.Test;
  import org.openqa.selenium.docker.Image;
  import org.openqa.selenium.docker.ImageId;
  import org.openqa.selenium.docker.internal.Reference;
  import org.openqa.selenium.json.Json;
  import org.openqa.selenium.remote.http.HttpHandler;
  import org.openqa.selenium.remote.http.HttpResponse;
  
  class ListImagesTest {
  
    @Test
    void shouldReturnImageIfTagIsPresent() {
  
      HttpHandler handler =
          req -> {
            String filters = req.getQueryParameter("filters");
            try {
              String decoded = URLDecoder.decode(filters, "UTF-8");
              Map<String, Object> raw = new Json().toType(decoded, MAP_TYPE);
  
              Map<?, ?> rawRef = (Map<?, ?>) raw.get("reference");
              assertThat(rawRef.get("selenium/standalone-firefox:latest")).isEqualTo(true);
  
              return new HttpResponse()
                  .addHeader("Content-Type", "application/json")
                  .setContent(
                      utf8String(
                          "[{\"Containers\":-1,\"Created\":1581716253,"
                              + "\"Id\":\"sha256:bc24341497a00a3afbf04c518cb4bf98834d933ae331d1c5d3cd6f52c079049e\","
                              + "\"Labels\":{\"authors\":\"SeleniumHQ\"},\"ParentId\":\"\","
                              + "\"RepoDigests\":null,"
                              + "\"RepoTags\":[\"selenium/standalone-firefox:latest\"],"
                              + "\"SharedSize\":-1,\"Size\":765131593,\"VirtualSize\":765131593}]"));
            } catch (UnsupportedEncodingException ignore) {
              return null;
            }
          };
  
      Reference reference = Reference.parse("selenium/standalone-firefox:latest");
  
      Set<Image> images = new ListImages(handler).apply(reference);
  
      assertThat(images.size()).isEqualTo(1);
      Image image = images.iterator().next();
  
      assertThat(image.getId())
          .isEqualTo(
              new ImageId("sha256:bc24341497a00a3afbf04c518cb4bf98834d933ae331d1c5d3cd6f52c079049e"));
    }
  }
  