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/*
 * Copyright 2014 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 static com.google.errorprone.BugPattern.SeverityLevel.ERROR;
import static com.google.errorprone.matchers.JUnitMatchers.JUNIT_AFTER_ANNOTATION;
import static com.google.errorprone.matchers.JUnitMatchers.JUNIT_AFTER_CLASS_ANNOTATION;
import static com.google.errorprone.matchers.JUnitMatchers.JUNIT_BEFORE_ANNOTATION;
import static com.google.errorprone.matchers.JUnitMatchers.JUNIT_BEFORE_CLASS_ANNOTATION;
import static com.google.errorprone.matchers.JUnitMatchers.hasJUnit4AfterAnnotations;
import static com.google.errorprone.matchers.JUnitMatchers.looksLikeJUnit3TearDown;
import static com.google.errorprone.matchers.JUnitMatchers.looksLikeJUnit4After;
import static com.google.errorprone.matchers.Matchers.allOf;
import static com.google.errorprone.matchers.Matchers.anyOf;
import static com.google.errorprone.matchers.Matchers.not;

import com.google.errorprone.BugPattern;
import com.google.errorprone.matchers.Matcher;
import com.sun.source.tree.MethodTree;
import java.util.Arrays;
import java.util.List;

/**
 * Checks for the existence of a JUnit3 style tearDown() method in a JUnit4 test class or methods
 * annotated with a non-JUnit4 @After annotation.
 *
 * @author [email protected] (Nick Glorioso)
 */
@BugPattern(
    name = "JUnit4TearDownNotRun",
    summary = "tearDown() method will not be run; please add JUnit's @After annotation",
    severity = ERROR)
public class JUnit4TearDownNotRun extends AbstractJUnit4InitMethodNotRun {
  @Override
  protected Matcher methodMatcher() {
    return allOf(
        anyOf(looksLikeJUnit3TearDown, looksLikeJUnit4After), not(hasJUnit4AfterAnnotations));
  }

  @Override
  protected String correctAnnotation() {
    return JUNIT_AFTER_ANNOTATION;
  }

  @Override
  protected List annotationReplacements() {
    return Arrays.asList(
        new AnnotationReplacements(JUNIT_BEFORE_ANNOTATION, JUNIT_AFTER_ANNOTATION),
        new AnnotationReplacements(JUNIT_BEFORE_CLASS_ANNOTATION, JUNIT_AFTER_CLASS_ANNOTATION));
  }
}