content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF 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.apache.kafka.common.test.junit;
  
  import org.apache.kafka.common.test.api.ClusterConfig;
  import org.apache.kafka.common.test.api.ClusterTemplate;
  
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtensionContext;
  
  import java.lang.reflect.Method;
  import java.util.List;
  
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  public class ClusterTestExtensionsUnitTest {
  
      static List<ClusterConfig> cfgEmpty() {
          return List.of();
      }
  
      @SuppressWarnings({"unchecked", "rawtypes"})
      private ExtensionContext buildExtensionContext(String methodName) throws Exception {
          ExtensionContext extensionContext = mock(ExtensionContext.class);
          Class clazz = ClusterTestExtensionsUnitTest.class;
          Method method = clazz.getDeclaredMethod(methodName);
          when(extensionContext.getRequiredTestClass()).thenReturn(clazz);
          when(extensionContext.getRequiredTestMethod()).thenReturn(method);
          return extensionContext;
      }
  
      @Test
      void testProcessClusterTemplate() throws Exception {
          ClusterTestExtensions ext = new ClusterTestExtensions();
          ExtensionContext context = buildExtensionContext("cfgEmpty");
  
          ClusterTemplate annot = mock(ClusterTemplate.class);
          when(annot.value()).thenReturn("").thenReturn(" ").thenReturn("cfgEmpty");
  
          Assertions.assertEquals(
              "ClusterTemplate value can't be empty string.",
              Assertions.assertThrows(IllegalStateException.class, () ->
                  ext.processClusterTemplate(context, annot)
              ).getMessage()
          );
  
  
          Assertions.assertEquals(
              "ClusterTemplate value can't be empty string.",
              Assertions.assertThrows(IllegalStateException.class, () ->
                  ext.processClusterTemplate(context, annot)
              ).getMessage()
          );
  
          Assertions.assertEquals(
              "ClusterConfig generator method should provide at least one config",
              Assertions.assertThrows(IllegalStateException.class, () ->
                  ext.processClusterTemplate(context, annot)
              ).getMessage()
          );
      }
  }
  