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BAEL-3045 Validate Date

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Check if a string contains valid date
This commit is contained in:
Chandra Prakash
2019-06-20 00:41:47 -04:00
parent 84b21162ae
commit 3862de2519
11 changed files with 219 additions and 0 deletions
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20
java-dates-2/src/test/java/com/baeldung/date/validation/DateValidatorUsingApacheValidatorUnitTest.java Normal file
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package com.baeldung.date.validation;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.apache.commons.validator.GenericValidator;
import org.junit.Test;
public class DateValidatorUsingApacheValidatorUnitTest {
@Test
public void whenValidDatePassed_ThenTrue() {
assertTrue(GenericValidator.isDate("2019-02-28", "yyyy-MM-dd", true));
}
@Test
public void whenInvalidDatePassed_ThenFalse() {
assertFalse(GenericValidator.isDate("2019-02-29", "yyyy-MM-dd", true));
}
}

23
java-dates-2/src/test/java/com/baeldung/date/validation/DateValidatorUsingDateFormatUnitTest.java Normal file
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package com.baeldung.date.validation;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class DateValidatorUsingDateFormatUnitTest {
@Test
public void givenValidator_whenValidDatePassed_ThenTrue() {
DateValidator validator = new DateValidatorUsingDateFormat("MM/dd/yyyy");
assertTrue(validator.isValid("02/28/2019"));
}
@Test
public void givenValidator_whenInvalidDatePassed_ThenFalse() {
DateValidator validator = new DateValidatorUsingDateFormat("MM/dd/yyyy");
assertFalse(validator.isValid("02/30/2019"));
}
}

32
java-dates-2/src/test/java/com/baeldung/date/validation/DateValidatorUsingDateTimeFormatterUnitTest.java Normal file
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package com.baeldung.date.validation;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.time.format.DateTimeFormatter;
import java.time.format.ResolverStyle;
import java.util.Locale;
import org.junit.Test;
public class DateValidatorUsingDateTimeFormatterUnitTest {
@Test
public void givenValidator_whenValidDatePassed_ThenTrue() {
DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("uuuu-MM-dd", Locale.US)
.withResolverStyle(ResolverStyle.STRICT);
DateValidator validator = new DateValidatorUsingDateTimeFormatter(dateFormatter);
assertTrue(validator.isValid("2019-02-28"));
}
@Test
public void givenValidator_whenInValidDatePassed_ThenFalse() {
DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("uuuu-MM-dd", Locale.US)
.withResolverStyle(ResolverStyle.STRICT);
DateValidator validator = new DateValidatorUsingDateTimeFormatter(dateFormatter);
assertFalse(validator.isValid("2019-02-30"));
}
}

27
java-dates-2/src/test/java/com/baeldung/date/validation/DateValidatorUsingLocalDateUnitTest.java Normal file
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package com.baeldung.date.validation;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.time.format.DateTimeFormatter;
import org.junit.Test;
public class DateValidatorUsingLocalDateUnitTest {
@Test
public void givenValidator_whenValidDatePassed_ThenTrue() {
DateTimeFormatter dateFormatter = DateTimeFormatter.BASIC_ISO_DATE;
DateValidator validator = new DateValidatorUsingLocalDate(dateFormatter);
assertTrue(validator.isValid("20190228"));
}
@Test
public void givenValidator_whenInValidDatePassed_ThenFalse() {
DateTimeFormatter dateFormatter = DateTimeFormatter.BASIC_ISO_DATE;
DateValidator validator = new DateValidatorUsingLocalDate(dateFormatter);
assertFalse(validator.isValid("20190230"));
}
}