StringUtilsTest.java

package cc.blynk.utils;

import org.junit.Test;

import static cc.blynk.utils.StringUtils.BODY_SEPARATOR_STRING;
import static cc.blynk.utils.StringUtils.split3;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

/**
 * The Blynk Project.
 * Created by Dmitriy Dumanskiy.
 * Created on 2/18/2015.
 */
public class StringUtilsTest {

    @Test
    public void testCorrectFastNewSplit() {
        String in = "ar 1 2 3 4 5 6".replaceAll(" ", "\0");

        String res = StringUtils.fetchPin(in);
        assertNotNull(res);
        assertEquals("1", res);


        in = "ar 22222".replaceAll(" ", "\0");
        res = StringUtils.fetchPin(in);
        assertNotNull(res);
        assertEquals("22222", res);

        in = "1 1".replaceAll(" ", "\0");
        res = StringUtils.fetchPin(in);
        assertNotNull(res);
        assertEquals("", res);
    }

    @Test
    public void testCorrectSplit3() {
        String[] res = StringUtils.split3("aw 1 2".replaceAll(" ", StringUtils.BODY_SEPARATOR_STRING));
        assertEquals("aw", res[0]);
        assertEquals("1", res[1]);
        assertEquals("2", res[2]);

        res = StringUtils.split3("dw 11 22".replaceAll(" ", StringUtils.BODY_SEPARATOR_STRING));
        assertEquals("dw", res[0]);
        assertEquals("11", res[1]);
        assertEquals("22", res[2]);

        String s = "sdfsafdfdgfjdasfjds;lfjd;lsf dsfld;las fd;slaj fd;lsfj das";
        res = StringUtils.split3("vw 255 ".replaceAll(" ", StringUtils.BODY_SEPARATOR_STRING) + s);
        assertEquals("vw", res[0]);
        assertEquals("255", res[1]);
        assertEquals(s, res[2]);

        s = "sdfsafdfdgfjdasfjds;lfjd;lsf\0dsfld;las\0fd;slaj\0fd;lsfj\0das";
        res = StringUtils.split3("vw 255 ".replaceAll(" ", StringUtils.BODY_SEPARATOR_STRING) + s);
        assertEquals("vw", res[0]);
        assertEquals("255", res[1]);
        assertEquals(s, res[2]);
    }

    @Test
    public void splitOk() {
        String body = "vw 1 123".replaceAll(" ", "\0");
        String[] stringSplitResult = body.split(BODY_SEPARATOR_STRING, 3);
        String[] customSplitResult = split3(body);

        assertArrayEquals(stringSplitResult, customSplitResult);

        body = "vw 1 123 124".replaceAll(" ", "\0");
        stringSplitResult = body.split(BODY_SEPARATOR_STRING, 3);
        customSplitResult = split3(body);

        assertArrayEquals(stringSplitResult, customSplitResult);

        body = "vw".replaceAll(" ", "\0");
        stringSplitResult = body.split(BODY_SEPARATOR_STRING, 3);
        customSplitResult = split3(body);

        assertArrayEquals(stringSplitResult, customSplitResult);

        body = "1 vw".replaceAll(" ", "\0");
        stringSplitResult = body.split(BODY_SEPARATOR_STRING, 3);
        customSplitResult = split3(body);

        assertArrayEquals(stringSplitResult, customSplitResult);

        body = "vw 2".replaceAll(" ", "\0");
        stringSplitResult = body.split(BODY_SEPARATOR_STRING, 3);
        customSplitResult = split3(body);

        assertArrayEquals(stringSplitResult, customSplitResult);

        body = "2 vw 2 222".replaceAll(" ", "\0");
        stringSplitResult = body.split(BODY_SEPARATOR_STRING, 3);
        customSplitResult = split3(body);

        assertArrayEquals(stringSplitResult, customSplitResult);
    }


}