hugegraph-sync/src/test/java/com/baidu/hugegraph/unit/util/StringUtilTest.java

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/*
* Copyright 2017 HugeGraph Authors
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with this
* work for additional information regarding copyright ownership. The ASF
* licenses this file to You 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.baidu.hugegraph.unit.util;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import com.baidu.hugegraph.testutil.Assert;
import com.baidu.hugegraph.util.StringUtil;
import com.google.common.base.Splitter;
public class StringUtilTest {
@Test
public void testSplit() {
Assert.assertEquals(guavaSplit("123", " "),
toStringList(StringUtil.split("123", " ")));
Assert.assertEquals(guavaSplit("1 2 3", " "),
toStringList(StringUtil.split("1 2 3", " ")));
Assert.assertEquals(guavaSplit("1:2:3", ":"),
toStringList(StringUtil.split("1:2:3", ":")));
Assert.assertEquals(guavaSplit("1::2:3", ":"),
toStringList(StringUtil.split("1::2:3", ":")));
Assert.assertEquals(guavaSplit("1::2::3", ":"),
toStringList(StringUtil.split("1::2::3", ":")));
Assert.assertEquals(guavaSplit("1::2::3", "::"),
toStringList(StringUtil.split("1::2::3", "::")));
Assert.assertEquals(guavaSplit("1:|2|:3", "|"),
toStringList(StringUtil.split("1:|2|:3", "|")));
Assert.assertEquals(guavaSplit("1\t2\t3", "\t"),
toStringList(StringUtil.split("1\t2\t3", "\t")));
Assert.assertEquals(guavaSplit("111", "1"),
toStringList(StringUtil.split("111", "1")));
Assert.assertThrows(IllegalArgumentException.class, () -> {
StringUtil.split("123", "");
});
}
private static List<String> guavaSplit(String line, String delimiter) {
return Splitter.on(delimiter).splitToList(line);
}
private static List<String> toStringList(List<CharSequence> chars) {
List<String> results = new ArrayList<>(chars.size());
for (CharSequence seq : chars) {
results.add(seq.toString());
}
return results;
}
}