/*
    * 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.maven.surefire.junitplatform;
  
  import java.util.List;
  import java.util.stream.Stream;
  
  import org.junit.Test;
  import org.junit.jupiter.api.DynamicTest;
  import org.junit.jupiter.api.Nested;
  import org.junit.jupiter.api.TestFactory;
  import org.junit.platform.engine.Filter;
  import org.junit.platform.launcher.core.LauncherFactory;
  
  import static java.util.Collections.emptyList;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Unit tests for {@link TestPlanScannerFilter}.
   *
   * @since 2.22.0
   */
  public class TestPlanScannerFilterTest {
  
      @Test
      public void emptyClassIsNotAccepted() {
          assertFalse(newFilter().accept(EmptyClass.class), "does not accept empty class");
      }
  
      @Test
      public void classWithNoTestMethodsIsNotAccepted() {
          assertFalse(newFilter().accept(ClassWithMethods.class), "does not accept class with no @Test methods");
      }
  
      @Test
      public void classWithTestMethodsIsAccepted() {
          assertTrue(newFilter().accept(ClassWithTestMethods.class));
      }
  
      @Test
      public void classWithNestedTestClassIsAccepted() {
          assertTrue(newFilter().accept(ClassWithNestedTestClass.class));
      }
  
      @Test
      public void classWithDeeplyNestedTestClassIsAccepted() {
          assertTrue(newFilter().accept(ClassWithDeeplyNestedTestClass.class));
      }
  
      @Test
      public void classWithTestFactoryIsAccepted() {
          assertTrue(newFilter().accept(ClassWithTestFactory.class));
      }
  
      @Test
      public void classWithNestedTestFactoryIsAccepted() {
          assertTrue(newFilter().accept(ClassWithNestedTestFactory.class));
      }
  
      private static TestPlanScannerFilter newFilter() {
          return new TestPlanScannerFilter(LauncherFactory.create(), new Filter<?>[0]);
      }
  
      static class EmptyClass {}
  
      static class ClassWithMethods {
  
          void method1() {}
  
          void method2() {}
      }
  
      static class ClassWithTestMethods {
  
          @Test
          void test1() {}
  
          @org.junit.jupiter.api.Test
          public void test2() {}
      }
  
      static class ClassWithNestedTestClass {
 
         void method() {}
 
         @Nested
         class TestClass {
 
             @org.junit.jupiter.api.Test
             void test1() {}
         }
     }
 
     static class ClassWithDeeplyNestedTestClass {
 
         @Nested
         class Level1 {
 
             @Nested
             class Level2 {
 
                 @Nested
                 class TestClass {
 
                     @org.junit.jupiter.api.Test
                     void test1() {}
                 }
             }
         }
     }
 
     static class ClassWithTestFactory {
 
         @TestFactory
         Stream<DynamicTest> tests() {
             return Stream.empty();
         }
     }
 
     static class ClassWithNestedTestFactory {
 
         @Nested
         class TestClass {
 
             @TestFactory
             List<DynamicTest> tests() {
                 return emptyList();
             }
         }
     }
 }