/*
 * Copyright 2018 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.BugCheckerRefactoringTestHelper;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * @author kayco@google.com (Kayla Walker)
 */
@RunWith(JUnit4.class)
public class ExtendingJUnitAssertTest {

  private final BugCheckerRefactoringTestHelper refactoringTestHelper =
      BugCheckerRefactoringTestHelper.newInstance(ExtendingJUnitAssert.class, getClass());

  @Test
  public void positive() {
    refactoringTestHelper
        .addInputLines(
            "in/Foo.java",
            """
            import org.junit.Assert;

            class Foo extends Assert {
              public void test() {
                assertEquals(5, 5);
              }
            }
            """)
        .addOutputLines(
            "in/Foo.java",
            """
            import static org.junit.Assert.assertEquals;
            import org.junit.Assert;

            class Foo {
              public void test() {
                assertEquals(5, 5);
              }
            }
            """)
        .doTest();
  }

  @Test
  public void positiveWithGenerics() {
    refactoringTestHelper
        .addInputLines(
            "in/Foo.java",
            """
            import org.junit.Assert;

            class Foo<T extends String> extends Assert {
              public void test() {
                assertEquals(5, 5);
                assertNull(2);
                assertNotNull(3);
              }
            }
            """)
        .addOutputLines(
            "in/Foo.java",
            """
            import static org.junit.Assert.assertEquals;
            import static org.junit.Assert.assertNotNull;
            import static org.junit.Assert.assertNull;
            import org.junit.Assert;

            class Foo<T extends String> {
              public void test() {
                assertEquals(5, 5);
                assertNull(2);
                assertNotNull(3);
              }
            }
            """)
        .doTest();
  }

  @Test
  public void positiveWithImplements() {
    refactoringTestHelper
        .addInputLines(
            "in/Foo.java",
            """
            import com.google.errorprone.bugpatterns.BugChecker.ClassTreeMatcher;
            import org.junit.Assert;

            abstract class Foo extends Assert implements ClassTreeMatcher {
              public void test() {
                assertEquals(5, 5);
              }
            }
            """)
        .addOutputLines(
            "in/Foo.java",
            """
            import static org.junit.Assert.assertEquals;
            import com.google.errorprone.bugpatterns.BugChecker.ClassTreeMatcher;
            import org.junit.Assert;

            abstract class Foo implements ClassTreeMatcher {
              public void test() {
                assertEquals(5, 5);
              }
            }
            """)
        .doTest();
  }
}
