/*
 * Copyright 2017 The Error Prone Authors.
 *
 * Licensed 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 com.google.errorprone.bugpatterns;

import com.google.errorprone.CompilationTestHelper;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * @author jdesprez@google.com (Julien Desprez)
 */
@RunWith(JUnit4.class)
public class JUnit4ClassUsedInJUnit3Test {

  private final CompilationTestHelper compilationHelper =
      CompilationTestHelper.newInstance(JUnit4ClassUsedInJUnit3.class, getClass());

  @Test
  public void negative_regular_junit3() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import junit.framework.TestCase;

            public class Foo extends TestCase {
              public void testName1() {
                System.out.println("here");
              }

              public void testName2() {}
            }
            """)
        .doTest();
  }

  @Test
  public void negative_assume_in_junit4() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import org.junit.runner.RunWith;
            import org.junit.runners.JUnit4;
            import org.junit.Assume;
            import org.junit.Test;

            @RunWith(JUnit4.class)
            public class Foo {
              @Test
              public void testOne() {
                Assume.assumeTrue(true);
              }
            }
            """)
        .doTest();
  }

  @Test
  public void negative_annotation_in_junit4() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import org.junit.runner.RunWith;
            import org.junit.runners.JUnit4;
            import org.junit.Rule;
            import org.junit.rules.TemporaryFolder;
            import org.junit.Test;
            import org.junit.Ignore;

            @RunWith(JUnit4.class)
            public class Foo {
              @Rule public TemporaryFolder folder = new TemporaryFolder();

              @Ignore
              @Test
              public void testOne() {}

              @Test
              public void testTwo() {}
            }
            """)
        .doTest();
  }

  @Test
  public void positive_assume_in_test() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import junit.framework.TestCase;
            import org.junit.Test;
            import org.junit.Assume;

            public class Foo extends TestCase {
              public void testName1() {
                System.out.println("here");
              }

              public void testName2() {
                // BUG: Diagnostic contains: Assume
                Assume.assumeTrue(true);
              }

              public void testName3() {}
            }
            """)
        .doTest();
  }

  @Test
  public void positive_assume_in_setUp() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import junit.framework.TestCase;
            import org.junit.Test;
            import org.junit.Assume;

            public class Foo extends TestCase {
              @Override
              public void setUp() {
                // BUG: Diagnostic contains: Assume
                Assume.assumeTrue(true);
              }

              public void testName1() {}
            }
            """)
        .doTest();
  }

  @Test
  public void positive_assume_in_tear_down() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import junit.framework.TestCase;
            import org.junit.Test;
            import org.junit.Assume;

            public class Foo extends TestCase {
              @Override
              public void tearDown() {
                // BUG: Diagnostic contains: Assume
                Assume.assumeTrue(true);
              }

              public void testName1() {}
            }
            """)
        .doTest();
  }

  @Test
  public void positive_static_assume_in_test() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import junit.framework.TestCase;
            import org.junit.Test;
            import static org.junit.Assume.assumeTrue;

            public class Foo extends TestCase {
              public void testName1() {
                System.out.println("here");
              }

              public void testName2() {
                // BUG: Diagnostic contains: Assume
                assumeTrue(true);
              }

              public void testName3() {}
            }
            """)
        .doTest();
  }

  @Test
  public void positive_ignore_on_test() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import junit.framework.TestCase;
            import org.junit.Ignore;

            public class Foo extends TestCase {
              public void testName1() {}

              // BUG: Diagnostic contains: @Ignore
              @Ignore
              public void testName2() {}
            }
            """)
        .doTest();
  }

  @Test
  public void positive_ignore_on_class() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import junit.framework.TestCase;
            import org.junit.Ignore;

            // BUG: Diagnostic contains: @Ignore
            @Ignore
            public class Foo extends TestCase {
              public void testName1() {}

              public void testName2() {}
            }
            """)
        .doTest();
  }

  @Test
  public void positive_rule_in_junit3() {
    compilationHelper
        .addSourceLines(
            "Foo.java",
            """
            import junit.framework.TestCase;
            import org.junit.Rule;
            import org.junit.rules.TemporaryFolder;

            public class Foo extends TestCase {
              // BUG: Diagnostic contains: @Rule
              @Rule public TemporaryFolder folder = new TemporaryFolder();

              public void testName1() {}

              public void testName2() {}
            }
            """)
        .doTest();
  }
}
