DMDirc-Util/src/test/java/com/dmdirc/util/validators/OptionalValidatorTest.java

/*
 * Copyright (c) 2006-2017 DMDirc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package com.dmdirc.util.validators;

import org.junit.Test;

import static org.junit.Assert.*;

public class OptionalValidatorTest {

    @Test
    public void testGetValidator() {
        final Validator<String> validator = new PermissiveValidator<>();
        final OptionalValidator instance = new OptionalValidator(validator);
        assertEquals(validator, instance.getValidator());
    }

    @Test
    public void testNullValue() {
        final Validator<String> validator = new NotEmptyValidator();
        final Validator<String> instance = new OptionalValidator(validator);
        assertTrue(instance.validate(null).isFailure());
    }

    @Test
    public void testNoSeparator() {
        final ValidationResponse res = new OptionalValidator(new StringLengthValidator(0, 3))
                .validate("foo");
        assertFalse(res.isFailure());
    }

    @Test
    public void testIllegalPrefix() {
        final ValidationResponse res = new OptionalValidator(new StringLengthValidator(6, 7))
                .validate("foo:bar");
        assertFalse(res.isFailure());
    }

    @Test
    public void testTrueValidation() {
        final ValidationResponse res = new OptionalValidator(new StringLengthValidator(0, 3))
                .validate("true:bar");
        assertFalse(res.isFailure());
    }

    @Test
    public void testFalseValidation() {
        final ValidationResponse res = new OptionalValidator(new StringLengthValidator(0, 2))
                .validate("true:bar");
        assertTrue(res.isFailure());
        assertTrue(res.getFailureReason().contains("at most 2"));
    }
}