FilteringTest.java

/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * 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.intellij.rt.coverage;

import com.intellij.rt.coverage.util.ClassNameUtil;
import junit.framework.TestCase;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;

/**
 * @author Andrei Titov
 * @since 5/14/13
 */
public class FilteringTest extends TestCase {
  public void test_excludes() throws Exception {
    doTestExcludeFilter("com.product.AAA", toPatterns(new String[]{"AAA"}), false);
    doTestExcludeFilter("com.product.AAA$1", toPatterns(new String[]{"AAA"}), false);
    doTestExcludeFilter("com.product.AAA", toPatterns(new String[]{"com.product.AAA"}), true);
    doTestExcludeFilter("com.product.AAA", toPatterns(new String[]{".*AAA"}), true);
    doTestExcludeFilter("com.product.AAA$1", toPatterns(new String[]{".*AAA"}), true);
    doTestExcludeFilter("com.product.AAA$QQQ", toPatterns(new String[]{".*AAA"}), true);
    doTestExcludeFilter("com.product.AAA$QQQ$1", toPatterns(new String[]{".*AAA"}), true);

    // allowing to exclude inner class without explicit $ sign
    doTestExcludeFilter("com.product.QQQ$AAA", toPatterns(new String[]{".*AAA"}), true);
    doTestExcludeFilter("com.product.QQQ$$$AAA$AAA", toPatterns(new String[]{".*AAA"}), true);
    doTestExcludeFilter("com.product.QQQ$AAB", toPatterns(new String[]{".*AAA"}), false);
    doTestExcludeFilter("com.product.QQQ$$$AAB$AAA", toPatterns(new String[]{".*AAA"}), true);
    doTestExcludeFilter("com.product.QQQ$$$AAA$AAB", toPatterns(new String[]{".*AAA"}), true);
    doTestExcludeFilter("com.product.QQQ", toPatterns(new String[]{".*AAA"}), false);

    doTestExcludeFilter("com.product.AAA", toPatterns(new String[]{".*AAA\\$1"}), false);
    doTestExcludeFilter("com.product.AAA$1", toPatterns(new String[]{".*AAA\\$1"}), true);
    doTestExcludeFilter("com.product.AAA", toPatterns(new String[]{".*\\$.*"}), false);
    doTestExcludeFilter("com.product.AAA$1", toPatterns(new String[]{".*\\$.*"}), true);
    doTestExcludeFilter("com.product.AAA$AAA", toPatterns(new String[]{".*\\$.*"}), true);
    doTestExcludeFilter("com.product.AAA$QQQ", toPatterns(new String[]{".*\\$.*"}), true);
    doTestExcludeFilter("com.product.AAA$QQQ$1", toPatterns(new String[]{".*\\$.*"}), true);
  }

  private void doTestExcludeFilter(String className, List excludePatterns, boolean expected) throws Exception {
    assertEquals(expected, ClassNameUtil.shouldExclude(className, excludePatterns));
  }

  private List toPatterns(String regexs[]) {
    List res = new ArrayList(regexs.length);
    for (int i = 0; i < regexs.length; ++i) {
      res.add(Pattern.compile(regexs[i] + "(\\$.*)?"));
    }
    return res;
  }
}