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/*
* lemonad - Some functional sweetness for Java
* Copyright (C) 2019 Pacien TRAN-GIRARD
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.pacien.lemonad.validation;
import org.junit.jupiter.api.Test;
import java.util.List;
import static java.util.function.Predicate.not;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author pacien
*/
class ValidatorTest {
@Test void testValidatorEnsuringPredicate() {
var emptyError = 0;
var validator = Validator.ensuringPredicate(not(String::isEmpty), emptyError);
assertEquals(List.of(emptyError), validator.validate("").getErrors());
assertEquals(List.of(), validator.validate("test").getErrors());
}
@Test void testValidatorValidatingAll() {
var emptyError = 0;
var tooLongError = 1;
var containsBadLetterError = 2;
var validator = Validator.validatingAll(
Validator.ensuringPredicate(not(String::isEmpty), emptyError),
Validator.ensuringPredicate((String str) -> str.length() < 10, tooLongError),
Validator.ensuringPredicate((String str) -> !str.contains("e"), containsBadLetterError));
assertEquals(List.of(emptyError), validator.validate("").getErrors());
assertEquals(List.of(tooLongError, containsBadLetterError), validator.validate("test test test").getErrors());
assertEquals(List.of(), validator.validate("potato").getErrors());
}
@Test void testValidatingField() {
var emptyError = 0;
var fieldValidator = Validator.ensuringPredicate((Integer len) -> len > 0, emptyError);
var validator = Validator.validatingField(String::length, fieldValidator);
assertEquals(List.of(emptyError), validator.validate("").getErrors());
assertEquals(List.of(), validator.validate("test").getErrors());
}
}
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