How to use withDateFormat method of org.assertj.core.api.AbstractDateAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractDateAssert.withDateFormat

Source:Assertions.java Github

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...1464 * used).1465 * <p/>1466 * AssertJ is gonna use any date formats registered with one of these methods :1467 * <ul>1468 * <li>{@link org.assertj.core.api.AbstractDateAssert#withDateFormat(String)}</li>1469 * <li>{@link org.assertj.core.api.AbstractDateAssert#withDateFormat(java.text.DateFormat)}</li>1470 * <li>{@link #registerCustomDateFormat(java.text.DateFormat)}</li>1471 * <li>{@link #registerCustomDateFormat(String)}</li>1472 * </ul>1473 * <p/>1474 * Beware that AssertJ will use the newly registered format for <b>all remaining Date assertions in the test suite</b>1475 * <p/>1476 * To revert to default formats only, call {@link #useDefaultDateFormatsOnly()} or1477 * {@link org.assertj.core.api.AbstractDateAssert#withDefaultDateFormatsOnly()}.1478 * <p/>1479 * Code examples:1480 *1481 * <pre><code class='java'>1482 * Date date = ... // set to 2003 April the 26th1483 * assertThat(date).isEqualTo("2003-04-26");1484 *1485 * try {1486 * // date with a custom format : failure since the default formats don't match.1487 * assertThat(date).isEqualTo("2003/04/26");1488 * } catch (AssertionError e) {1489 * assertThat(e).hasMessage("Failed to parse 2003/04/26 with any of these date formats: " +1490 * "[yyyy-MM-dd'T'HH:mm:ss.SSS, yyyy-MM-dd'T'HH:mm:ss, yyyy-MM-dd]");1491 * }1492 *1493 * // registering a custom date format to make the assertion pass1494 * registerCustomDateFormat(new SimpleDateFormat("yyyy/MM/dd")); // registerCustomDateFormat("yyyy/MM/dd") would work to.1495 * assertThat(date).isEqualTo("2003/04/26");1496 *1497 * // the default formats are still available and should work1498 * assertThat(date).isEqualTo("2003-04-26");1499 * </code></pre>1500 *1501 * @param userCustomDateFormat the new Date format used for String based Date assertions.1502 */1503 public static void registerCustomDateFormat(DateFormat userCustomDateFormat) {1504 AbstractDateAssert.registerCustomDateFormat(userCustomDateFormat);1505 }1506 /**1507 * Add the given date format to the ones used to parse date String in String based Date assertions like1508 * {@link org.assertj.core.api.AbstractDateAssert#isEqualTo(String)}.1509 * <p/>1510 * User date formats are used before default ones in the order they have been registered (first registered, first1511 * used).1512 * <p/>1513 * AssertJ is gonna use any date formats registered with one of these methods :1514 * <ul>1515 * <li>{@link org.assertj.core.api.AbstractDateAssert#withDateFormat(String)}</li>1516 * <li>{@link org.assertj.core.api.AbstractDateAssert#withDateFormat(java.text.DateFormat)}</li>1517 * <li>{@link #registerCustomDateFormat(java.text.DateFormat)}</li>1518 * <li>{@link #registerCustomDateFormat(String)}</li>1519 * </ul>1520 * <p/>1521 * Beware that AssertJ will use the newly registered format for <b>all remaining Date assertions in the test suite</b>1522 * <p/>1523 * To revert to default formats only, call {@link #useDefaultDateFormatsOnly()} or1524 * {@link org.assertj.core.api.AbstractDateAssert#withDefaultDateFormatsOnly()}.1525 * <p/>1526 * Code examples:1527 * 1528 * <pre><code class='java'>1529 * Date date = ... // set to 2003 April the 26th1530 * assertThat(date).isEqualTo("2003-04-26");...

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Source:StrictAssertions.java Github

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...1314 * used).1315 * <p/>1316 * AssertJ is gonna use any date formats registered with one of these methods :1317 * <ul>1318 * <li>{@link org.assertj.core.api.AbstractDateAssert#withDateFormat(String)}</li>1319 * <li>{@link org.assertj.core.api.AbstractDateAssert#withDateFormat(java.text.DateFormat)}</li>1320 * <li>{@link #registerCustomDateFormat(java.text.DateFormat)}</li>1321 * <li>{@link #registerCustomDateFormat(String)}</li>1322 * </ul>1323 * <p/>1324 * Beware that AssertJ will use the newly registered format for <b>all remaining Date assertions in the test suite</b>1325 * <p/>1326 * To revert to default formats only, call {@link #useDefaultDateFormatsOnly()} or1327 * {@link org.assertj.core.api.AbstractDateAssert#withDefaultDateFormatsOnly()}.1328 * <p/>1329 * Code examples:1330 *1331 * <pre><code class='java'>1332 * Date date = ... // set to 2003 April the 26th1333 * assertThat(date).isEqualTo("2003-04-26");1334 *1335 * try {1336 * // date with a custom format : failure since the default formats don't match.1337 * assertThat(date).isEqualTo("2003/04/26");1338 * } catch (AssertionError e) {1339 * assertThat(e).hasMessage("Failed to parse 2003/04/26 with any of these date formats: " +1340 * "[yyyy-MM-dd'T'HH:mm:ss.SSS, yyyy-MM-dd'T'HH:mm:ss, yyyy-MM-dd]");1341 * }1342 *1343 * // registering a custom date format to make the assertion pass1344 * registerCustomDateFormat(new SimpleDateFormat("yyyy/MM/dd")); // registerCustomDateFormat("yyyy/MM/dd") would work to.1345 * assertThat(date).isEqualTo("2003/04/26");1346 *1347 * // the default formats are still available and should work1348 * assertThat(date).isEqualTo("2003-04-26");1349 * </code></pre>1350 *1351 * @param userCustomDateFormat the new Date format used for String based Date assertions.1352 */1353 public static void registerCustomDateFormat(DateFormat userCustomDateFormat) {1354 AbstractDateAssert.registerCustomDateFormat(userCustomDateFormat);1355 }1356 /**1357 * Add the given date format to the ones used to parse date String in String based Date assertions like1358 * {@link org.assertj.core.api.AbstractDateAssert#isEqualTo(String)}.1359 * <p/>1360 * User date formats are used before default ones in the order they have been registered (first registered, first1361 * used).1362 * <p/>1363 * AssertJ is gonna use any date formats registered with one of these methods :1364 * <ul>1365 * <li>{@link org.assertj.core.api.AbstractDateAssert#withDateFormat(String)}</li>1366 * <li>{@link org.assertj.core.api.AbstractDateAssert#withDateFormat(java.text.DateFormat)}</li>1367 * <li>{@link #registerCustomDateFormat(java.text.DateFormat)}</li>1368 * <li>{@link #registerCustomDateFormat(String)}</li>1369 * </ul>1370 * <p/>1371 * Beware that AssertJ will use the newly registered format for <b>all remaining Date assertions in the test suite</b>1372 * <p/>1373 * To revert to default formats only, call {@link #useDefaultDateFormatsOnly()} or1374 * {@link org.assertj.core.api.AbstractDateAssert#withDefaultDateFormatsOnly()}.1375 * <p/>1376 * Code examples:1377 * 1378 * <pre><code class='java'>1379 * Date date = ... // set to 2003 April the 26th1380 * assertThat(date).isEqualTo("2003-04-26");...

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Source:DateAssert.java Github

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...20 * </p>21 * Note that assertions with date parameter comes with two flavor, one is obviously a {@link Date} and the other is a String22 * representing a Date.<br>23 * For the latter, the default format follows ISO 8901 : "yyyy-MM-dd", user can override it with a custom format by calling24 * {@link #withDateFormat(DateFormat)}.<br>25 * The user custom format will then be used for all next Date assertions (i.e not limited to the current assertion) in the test26 * suite.<br>27 * To turn back to default format, simply call {@link #withDefaultDateFormatsOnly()}.28 * 29 * @author Tomasz Nurkiewicz (thanks for giving assertions idea)30 * @author Joel Costigliola31 * @author Mikhail Mazursky32 */33public class DateAssert extends AbstractDateAssert<DateAssert> {34 /**35 * Creates a new {@link DateAssert}.36 * @param actual the target to verify.37 */38 protected DateAssert(Date actual) {...

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withDateFormat

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1package org.example;2import java.text.SimpleDateFormat;3import java.util.Date;4import static org.assertj.core.api.Assertions.assertThat;5public class App {6 public static void main(String[] args) {7 Date date = new Date();8 SimpleDateFormat simpleDateFormat = new SimpleDateFormat("dd-MM-yyyy");9 assertThat(date).withDateFormat(simpleDateFormat).isEqualTo("01-01-2020");10 }11}

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withDateFormat

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1package org.example;2import java.time.LocalDate;3import java.time.format.DateTimeFormatter;4import org.assertj.core.api.Assertions;5public class App {6 public static void main(String[] args) {7 LocalDate date = LocalDate.of(2019, 12, 31);8 Assertions.assertThat(date).withDateFormat(DateTimeFormatter.ofPattern("dd/MM/yyyy")).isEqualTo("31/12/2019");9 }10}11 at org.example.App.main(App.java:13)

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withDateFormat

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1import java.util.Date;2import org.assertj.core.api.Assertions;3import org.assertj.core.api.AbstractDateAssert;4public class DateFormat {5 public static void main(String[] args) {6 Date date = new Date();7 AbstractDateAssert<?> dateAssert = Assertions.assertThat(date);8 dateAssert.hasDayOfMonth(20);9 dateAssert.hasMonth(8);10 dateAssert.hasYear(2017);11 dateAssert.withDateFormat("dd/MM/yyyy");12 }13}14import org.assertj.core.api.Assertions;15import org.assertj.core.api.AbstractCharSequenceAssert;16public class DateFormat {17 public static void main(String[] args) {18 String str = "20/08/2017";19 AbstractCharSequenceAssert<?, String> strAssert = Assertions.assertThat(str);20 strAssert.startsWith("20");21 strAssert.endsWith("2017");22 strAssert.withDateFormat("dd/MM/yyyy");23 }24}25import java.time.LocalDate;26import org.assertj.core.api.Assertions;27import org.assertj.core.api.AbstractLocalDateAssert;28public class DateFormat {29 public static void main(String[] args) {30 LocalDate date = LocalDate.now();31 AbstractLocalDateAssert<?> dateAssert = Assertions.assertThat(date);32 dateAssert.hasDayOfMonth(20);33 dateAssert.hasMonth(8);34 dateAssert.hasYear(2017);35 dateAssert.withDateFormat("dd/MM/yyyy");36 }37}38import java.time.LocalDateTime;39import org.assertj.core.api.Assertions;40import org.assertj.core.api.AbstractLocalDateTimeAssert;41public class DateFormat {42 public static void main(String[] args) {43 LocalDateTime date = LocalDateTime.now();44 AbstractLocalDateTimeAssert<?> dateAssert = Assertions.assertThat(date);45 dateAssert.hasDayOfMonth(20);46 dateAssert.hasMonth(8);47 dateAssert.hasYear(2017);48 dateAssert.withDateFormat("dd/MM/yyyy");49 }50}51import java.time.OffsetDateTime;52import org.assertj.core.api.Assertions;53import org.assertj.core.api.AbstractOffsetDateTimeAssert;54public class DateFormat {

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withDateFormat

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1import java.text.SimpleDateFormat;2import java.util.Date;3import org.assertj.core.api.Assertions;4public class AssertJDate {5 public static void main(String[] args) {6 Date date = new Date();7 Assertions.assertThat(date).withDateFormat(new SimpleDateFormat("dd/MM/yyyy")).isEqualTo("01/01/2020");8 }9}

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withDateFormat

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1import java.text.SimpleDateFormat;2import java.util.Date;3import java.util.Locale;4import org.assertj.core.api.Assertions;5{6 public static void main(String[] args)7 {8 Date date = new Date();9 Assertions.assertThat(date).withDateFormat(new SimpleDateFormat("dd/MM/yyyy", Locale.ENGLISH)).isEqualTo("01/01/1970");10 }11}12 at org.assertj.core.api.AbstractDateAssert.withDateFormat(AbstractDateAssert.java:59)13 at org.assertj.core.api.AbstractDateAssert.withDateFormat(AbstractDateAssert.java:35)14 at Main.main(Main.java:13)

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withDateFormat

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1import java.util.Date;2import org.assertj.core.api.AbstractDateAssert;3import org.assertj.core.api.Assertions;4public class AssertJDateAssert {5public static void main(String[] args) {6Date date = new Date();7AbstractDateAssert<?> dateAssert = Assertions.assertThat(date);8dateAssert.withDateFormat("dd/MM/yyyy");9System.out.println(dateAssert);10}11}

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withDateFormat

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1import static org.assertj.core.api.Assertions.*;2import java.text.SimpleDateFormat;3import java.util.Date;4public class AssertJDateAssert {5 public static void main(String[] args) {6 Date date1 = new Date();7 Date date2 = new Date();8 SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");9 assertThat(date1).withDateFormat(sdf).isEqualTo(date2);10 }11}12AssertJ DateAssert withDateFormat() Method Examples13Here are some more examples of using withDateFormat() method of DateAssert class in AssertJ:14import static org.assertj.core.api.Assertions.*;15import java.text.SimpleDateFormat;16import java.util.Date;17public class AssertJDateAssert {18 public static void main(String[] args) {19 Date date1 = new Date();20 Date date2 = new Date();21 SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");22 assertThat(date1).withDateFormat(sdf).isEqualTo(date2);23 }24}25import static org.assertj.core.api.Assertions.*;26import java.text.SimpleDateFormat;27import java.util.Date;28public class AssertJDateAssert {29 public static void main(String[] args) {30 Date date1 = new Date();31 Date date2 = new Date();32 SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");33 assertThat(date1).withDateFormat(sdf).isNotEqualTo(date2);34 }35}36import static org.assertj.core.api.Assertions.*;37import java.text.SimpleDateFormat;38import java.util.Date;39public class AssertJDateAssert {40 public static void main(String[] args) {41 Date date1 = new Date();42 Date date2 = new Date();43 SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");44 assertThat(date1).withDateFormat(sdf).isBefore(date2);45 }46}47import static org.assertj.core.api.Assertions.*;48import java.text

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withDateFormat

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1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Date;3import org.junit.Test;4public class DateAssertTest {5 public void testDateFormat() {6 Date date = new Date();7 assertThat(date).withDateFormat("dd-MM-yyyy").isEqualTo("01-01-2014");8 }9}10 at DateAssertTest.testDateFormat(DateAssertTest.java:12)

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withDateFormat

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1import org.assertj.core.api.Assertions;2import java.util.Date;3import java.text.SimpleDateFormat;4public class AssertJDateAssertTest {5 public static void main(String[] args) {6 Date date = new Date();7 Assertions.assertThat(date).withDateFormat("yyyy-MM-dd").isEqualTo("2017-04-20");8 }9}

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withDateFormat

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1import java.util.Date;2import java.text.SimpleDateFormat;3import org.assertj.core.api.AbstractDateAssert;4public class AssertJDate {5 public static void main(String[] args) {6 Date date = new Date();7 AbstractDateAssert<?> result = withDateFormat(date, "yyyy-MM-dd");8 System.out.println(result);9 }10 public static AbstractDateAssert<?> withDateFormat(Date date, String format) {11 SimpleDateFormat dateFormat = new SimpleDateFormat(format);12 return new AbstractDateAssert<AbstractDateAssert<?>>(date, AbstractDateAssert.class) {13 protected AbstractDateAssert<?> newAbstractDateAssert(Date date) {14 return withDateFormat(date, format);15 }16 }.as(dateFormat.format(date));17 }18}

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