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yangy 2020-05-10 15:56:06 +08:00
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core/src/test/java/com/taobao/arthas/core/shell/cli/impl/CliTokenImplTest.java Normal file
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package com.taobao.arthas.core.shell.cli.impl;
import com.taobao.arthas.core.shell.cli.CliToken;
import org.junit.Assert;
import org.junit.Test;
import java.util.Iterator;
import java.util.List;
public class CliTokenImplTest {
/**
* supported:
* <p>
* case1:
* thread| grep xxx
* [thread|, grep, xxx] -> [thread, |, grep, xxx]
* case:2
* thread | grep xxx
* [thread, |, grep, xxx] -> [thread, |, grep, xxx]
* case3:
* thread |grep xxx
* [thread, |grep] -> [thread, |, grep, xxx]
*/
@Test
public void testSupportedPipeCharWithoutRegex() {
String[] expectedTextTokenValue = new String[]{"thread", "|", "grep", "xxx"};
List<CliToken> actualTokens = CliTokenImpl.tokenize("thread| grep xxx");
assertEquals(expectedTextTokenValue, actualTokens);
actualTokens = CliTokenImpl.tokenize("thread | grep xxx");
assertEquals(expectedTextTokenValue, actualTokens);
actualTokens = CliTokenImpl.tokenize("thread |grep xxx");
assertEquals(expectedTextTokenValue, actualTokens);
}
/**
* supported:
* <p>
* case1:
* trace -E classA|classB methodA|methodB| grep classA
* [trace, -E, classA|classB, methodA|methodB|, grep, classA] -> [trace, -E, classA|classB, methodA|methodB, |, grep, classA]
* case2:
* trace -E classA|classB methodA|methodB | grep classA
* [trace, -E, classA|classB, methodA|methodB, |, grep, classA] -> [trace, -E, classA|classB, methodA|methodB, |, grep, classA]
* case3:
* trace -E classA|classB methodA|methodB |grep classA
* [trace, -E, classA|classB, methodA|methodB, |grep, classA] -> [trace, -E, classA|classB, methodA|methodB, |, grep, classA]
*/
@Test
public void testSupportedPipeCharWithRegex() {
String[] expectedTextTokenValue = new String[]{"trace", "-E", "classA|classB", "methodA|methodB", "|", "grep", "classA"};
List<CliToken> actualTokens = CliTokenImpl.tokenize("trace -E classA|classB methodA|methodB| grep classA");
assertEquals(expectedTextTokenValue, actualTokens);
actualTokens = CliTokenImpl.tokenize("trace -E classA|classB methodA|methodB | grep classA");
assertEquals(expectedTextTokenValue, actualTokens);
actualTokens = CliTokenImpl.tokenize("trace -E classA|classB methodA|methodB |grep classA");
assertEquals(expectedTextTokenValue, actualTokens);
}
/**
* unsupported:
* <p>
* case1:
* thread|grep xxx
* [thread|grep, xxx] -> [thread|grep, xxx]
* case2:
* trace -E classA|classB methodA|methodB|grep classA
* [trace, -E, classA|classB, methodA|methodB|grep, classA] -> [trace, -E, classA|classB, methodA|methodB|grep, classA]
*/
@Test
public void testUnSupportedPipeChar() {
String[] expectedTextTokenValue = new String[]{"thread|grep", "xxx"};
List<CliToken> actualTokens = CliTokenImpl.tokenize("thread|grep xxx");
assertEquals(expectedTextTokenValue, actualTokens);
expectedTextTokenValue = new String[]{"trace", "-E", "classA|classB", "methodA|methodB|grep", "classA"};
actualTokens = CliTokenImpl.tokenize("trace -E classA|classB methodA|methodB|grep classA");
assertEquals(expectedTextTokenValue, actualTokens);
}
private void assertEquals(String[] expectedTextTokenValue, List<CliToken> actualTokens) {
removeBlankToken(actualTokens);
for (int i = 0; i < expectedTextTokenValue.length; i++) {
Assert.assertEquals(expectedTextTokenValue[i], actualTokens.get(i).value());
}
}
private void removeBlankToken(List<CliToken> cliTokens) {
CliToken blankToken = new CliTokenImpl(false, " ");
Iterator<CliToken> it = cliTokens.iterator();
while (it.hasNext()) {
CliToken token = it.next();
if (blankToken.equals(token)) {
it.remove();
}
}
}
}