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

import java.util.regex.Pattern;

import org.testng.Assert;
import org.testng.annotations.Test;

import com.google.refine.grel.GrelTestBase;

/**
 * Test cases for find function.
 */
public class ContainsTests extends GrelTestBase {

    @Test
    public void testContainsFunction() {
        String value = "rose is a rose";
        Assert.assertEquals(invoke("contains", value, "rose"), true);

        // Test if it does not interpret regex passed in String as Pattern
        Assert.assertEquals(invoke("contains", value, "$"), false);
        Assert.assertEquals(invoke("contains", value, "r.se"), false);
        Assert.assertEquals(invoke("contains", value, "\\s+"), false);
        // Input regex pattern in UI with : "/ /" , is interpreted as Pattern
        Assert.assertEquals(invoke("contains", value, Pattern.compile("$")), true);
        Assert.assertEquals(invoke("contains", value, Pattern.compile("\\s+")), true);
    }

}
