// Licensed to the Software Freedom Conservancy (SFC) under one

// or more contributor license agreements. See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership. The SFC 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.thoughtworks.selenium;

import org.junit.jupiter.api.BeforeEach;

import org.junit.jupiter.api.Test;

import java.lang.reflect.Method;

import java.util.Arrays;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class CSVTest {

Method CSV;

@BeforeEach

public void setUp() {

Method[] methods = HttpCommandProcessor.class.getDeclaredMethods();

for (int i = 0; i < methods.length; i++) {

if ("parseCSV".equals(methods[i].getName())) {

Method csvMethod = methods[i];

csvMethod.setAccessible(true);

CSV = csvMethod;

break;

}

}

}

public String[] parseCSV(String input, String[] expected) {

System.out.print(input + ": ");

String[] output;

try {

output = (String[]) CSV.invoke(null, input);

} catch (Exception e) {

throw new RuntimeException(e);

}

System.out.println(Arrays.asList(output).toString());

compareStringArrays(expected, output);

return output;

}

@Test

public void testSimple() {

String input = "1,2,3";

String[] expected = new String[] {"1", "2", "3"};

parseCSV(input, expected);

}

@Test

public void testBackSlash() {

String input = "1,2\\,3,4"; // Java-escaped, but not CSV-escaped

String[] expected = new String[] {"1", "2,3", "4"}; // backslash should disappear in output

parseCSV(input, expected);

}

@Test

public void testRandomSingleBackSlash() {

String input = "1,\\2,3"; // Java-escaped, but not CSV-escaped

String[] expected = new String[] {"1", "2", "3"}; // backslash should disappear

parseCSV(input, expected);

}

@Test

public void testDoubleBackSlashBeforeComma() {

String input = "1,2\\\\,3"; // Java-escaped and CSV-escaped

String[] expected = new String[] {"1", "2\\", "3"}; // one backslash should disappear in output

parseCSV(input, expected);

}

@Test

public void testRandomDoubleBackSlash() {

String input = "1,\\\\2,3"; // Java-escaped, and CSV-escaped

String[] expected = new String[] {"1", "\\2", "3"}; // one backslash should disappear in output

parseCSV(input, expected);

}

@Test

public void testTripleBackSlashBeforeComma() {

String input = "1,2\\\\\\,3,4"; // Java-escaped, and CSV-escaped

String[] expected = new String[] {"1", "2\\,3", "4"}; // one backslash should disappear in

// output

parseCSV(input, expected);

}

@Test

public void test4BackSlashesBeforeComma() {

String input = "1,2\\\\\\\\,3"; // Java-escaped, and CSV-escaped

String[] expected = new String[] {"1", "2\\\\", "3"}; // two backslashes should disappear in

// output

parseCSV(input, expected);

}

public void compareStringArrays(String[] expected, String[] actual) {

assertEquals(expected.length, actual.length, "Wrong number of elements");

for (int i = 0; i < expected.length; i++) {

assertEquals(expected[i], actual[i]);

}

}

}