Java tutorial
/* * Copyright 2015 Collective, Inc. * * 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.collective.celos.ci.testing.fixtures.compare; import com.collective.celos.ci.mode.test.TestRun; import com.collective.celos.ci.testing.fixtures.create.FixObjectCreator; import com.google.common.collect.Lists; import com.google.common.collect.Sets; import org.apache.commons.lang.StringUtils; import java.util.Collections; import java.util.List; import java.util.Map; import java.util.Set; /** * Created by akonopko on 13.02.15. */ public class CompareHelper { public static <T> FixObjectCompareResult compareEntityNumber(TestRun testRun, FixObjectCreator actualDataCreator, FixObjectCreator expectedDataCreator, Map<T, Integer> expectedRes, Map<T, Integer> actualRes) throws Exception { Set<Map.Entry<T, Integer>> expectedDiffers = Sets.difference(expectedRes.entrySet(), actualRes.entrySet()); Set<Map.Entry<T, Integer>> actualDiffers = Sets.difference(actualRes.entrySet(), expectedRes.entrySet()); if (actualDiffers.size() + expectedDiffers.size() > 0) { String actualDir = getDifference(actualDiffers); String expectedDiff = getDifference(expectedDiffers); return FixObjectCompareResult.failed( "Diff:\n" + "Actual [" + actualDataCreator.getDescription(testRun) + "]:\n" + actualDir + "\n" + "Expected [" + expectedDataCreator.getDescription(testRun) + "]:\n" + expectedDiff); } return FixObjectCompareResult.SUCCESS; } private static <T> String getDifference(Set<Map.Entry<T, Integer>> entrySet) { List<String> strs = Lists.newArrayList(); for (Map.Entry<T, Integer> entry : entrySet) { strs.add(entry.getKey().toString() + " [" + entry.getValue() + " times]"); } Collections.sort(strs); return StringUtils.join(strs, "\n"); } }