core/src/test/java/org/apache/jsieve/comparators/AsciiNumericTest.java

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package org.apache.jsieve.comparators;

import org.apache.jsieve.exception.FeatureException;
import org.apache.jsieve.parser.generated.ParseException;
import org.apache.jsieve.utils.JUnitUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

public class AsciiNumericTest {

    AsciiNumeric subject;

    @Before
    public void setUp() throws Exception {
        subject = new AsciiNumeric();
    }

    @Test
    public void testVerificationFailsWhenAsciiNumericIsNotRequired() throws Exception {
        String script = "if header :contains :comparator \"i;ascii-numeric\" \"Subject\" \"69\" {stop;}";
        try {
            JUnitUtils.interpret(JUnitUtils.createMail(), script);
            Assert.fail("Comparator must be declared in require statement");
        } catch (ParseException e) {
            // Expected
        }
    }

    @Test
    public void testVerificationPassesWhenAsciiNumericIsRequired() throws Exception {
        String script = "require [\"comparator-i;ascii-numeric\"]; if header :is :comparator \"i;ascii-numeric\" \"Subject\" \"69\" {stop;}";
        JUnitUtils.interpret(JUnitUtils.createMail(), script);
    }

    @Test
    public void testBasicNumbericEquality() throws Exception {
        Assert.assertFalse(subject.equals("1", "2"));
        Assert.assertTrue(subject.equals("1", "1"));
    }

    @Test
    public void testEqualityShouldIgnoreTrailingCharacters() throws Exception {
        Assert.assertTrue(subject.equals("01", "1A"));
        Assert.assertTrue(subject.equals("1", "00000000000000001A"));
        Assert.assertTrue(subject.equals("234S", "234YTGSDBBSD"));
    }

    @Test
    public void testEqualityShouldIgnoreLeadingZeros() throws Exception {
        Assert.assertTrue(subject.equals("01", "1"));
        Assert.assertTrue(subject.equals("000001", "1"));
        Assert.assertFalse(subject.equals("000001", "10"));
    }

    @Test
    public void testStingsThatDoNotStartWithADigitRepresentPositiveInfinityWhenUsedInEquality() throws Exception {
        Assert.assertFalse(subject.equals("1", "A4"));
        Assert.assertFalse(subject.equals("x", "4"));
        Assert.assertTrue(subject.equals("GT", "A4"));
    }

    @Test
    public void testSubstringIsNotSupported() throws Exception {
        try {
            subject.contains("234234", "34");
            Assert.fail("Substring is unsupported");
        } catch (FeatureException e) {
            // Expected
        }
    }

    @Test
    public void testMatchNotSupported() throws Exception {
        try {
            subject.matches("234234", "34");
            Assert.fail("Substring is unsupported");
        } catch (FeatureException e) {
            // Expected
        }
    }
}