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package com.google.refine.expr.functions.arrays;

import org.testng.annotations.Test;

import com.google.refine.RefineTest;
import com.google.refine.expr.ParsingException;
import com.google.refine.util.TestUtils;

public class JoinTests extends RefineTest {
    @Test
    public void serializeJoin() {
        String json = "{\"description\":\"Returns the string obtained by joining the array a with the separator sep\",\"params\":\"array a, string sep\",\"returns\":\"string\"}";
        TestUtils.isSerializedTo(new Join(), json);
    }

    @Test
    public void joinArray() throws ParsingException {
        String[] test = {"[2,1,3].join('|')", "2|1|3"};
        parseEval(bindings, test);

        // TODO: This is current behavior, but is it what we want?
        String[] test1 = {"[2,null,3].join(', ')", "2, 3"};
        parseEval(bindings, test1);

        String[] test2 = {"['z','b','c','a'].join('-')", "z-b-c-a"};
        parseEval(bindings, test2);

        // TODO: Do we really want the following two tests to return different results?
        String[] test3 = {"['z', null,'c','a'].join('-')", "z-c-a"};
        parseEval(bindings, test3);
        String[] test4 = {"['z', '','c','a'].join('-')", "z--c-a"};
        parseEval(bindings, test4);
    }

}

