@Test public void use_custom_date_formats_set_from_Assertions_entry_point() { final Date date = DateUtil.parse("2003-04-26"); registerCustomDateFormat("yyyy/MM/dd'T'HH:mm:ss"); try { // fail : the registered format does not match the given date assertThat(date).isEqualTo("2003/04/26"); failBecauseExpectedAssertionErrorWasNotThrown(); } catch (AssertionError e) { assertThat(e) .hasMessage( format( "Failed to parse 2003/04/26 with any of these date formats:%n" + " [yyyy/MM/dd'T'HH:mm:ss,%n" + " yyyy-MM-dd'T'HH:mm:ss.SSS,%n" + " yyyy-MM-dd HH:mm:ss.SSS,%n" + " yyyy-MM-dd'T'HH:mm:ss,%n" + " yyyy-MM-dd]")); } // register the expected custom formats, they are used in the order they have been registered. registerCustomDateFormat("yyyy/MM/dd"); assertThat(date).isEqualTo("2003/04/26"); // another to register a DateFormat registerCustomDateFormat(new SimpleDateFormat("yyyy/MM/dd'T'HH:mm:ss.SSS")); // the assertion uses the last custom date format registered. assertThat(date).isEqualTo("2003/04/26T00:00:00.000"); useDefaultDateFormatsOnly(); assertThat(date).isEqualTo("2003-04-26"); assertThat(date).isEqualTo("2003-04-26T00:00:00"); assertThat(date).isEqualTo("2003-04-26T00:00:00.000"); }
@Test public void use_custom_date_formats_first_then_defaults_to_parse_a_date() { // using default formats should work final Date date = DateUtil.parse("2003-04-26"); assertThat(date).isEqualTo("2003-04-26"); try { // date with a custom format : failure since the default formats don't match. assertThat(date).isEqualTo("2003/04/26"); failBecauseExpectedAssertionErrorWasNotThrown(); } catch (AssertionError e) { assertThat(e) .hasMessage( format( "Failed to parse 2003/04/26 with any of these date formats:%n" + " [yyyy-MM-dd'T'HH:mm:ss.SSS,%n" + " yyyy-MM-dd HH:mm:ss.SSS,%n" + " yyyy-MM-dd'T'HH:mm:ss,%n" + " yyyy-MM-dd]")); } // registering a custom date format to make the assertion pass registerCustomDateFormat("yyyy/MM/dd"); assertThat(date).isEqualTo("2003/04/26"); // the default formats are still available and should work assertThat(date).isEqualTo("2003-04-26"); assertThat(date).isEqualTo("2003-04-26T00:00:00"); try { // but if not format at all matches, it fails. assertThat(date).isEqualTo("2003 04 26"); failBecauseExpectedAssertionErrorWasNotThrown(); } catch (AssertionError e) { assertThat(e) .hasMessage( format( "Failed to parse 2003 04 26 with any of these date formats:%n" + " [yyyy/MM/dd,%n" + " yyyy-MM-dd'T'HH:mm:ss.SSS,%n" + " yyyy-MM-dd HH:mm:ss.SSS,%n" + " yyyy-MM-dd'T'HH:mm:ss,%n" + " yyyy-MM-dd]")); } // register a new custom format should work registerCustomDateFormat("yyyy MM dd"); assertThat(date).isEqualTo("2003 04 26"); }
@Test public void should_fail_if_given_date_string_representation_cant_be_parsed_with_any_custom_date_formats() { thrown.expectAssertionError( "Failed to parse 2003 04 26 with any of these date formats:%n" + " [yyyy/MM/dd'T'HH:mm:ss,%n" + " yyyy/MM/dd,%n" + " yyyy-MM-dd'T'HH:mm:ss.SSS,%n" + " yyyy-MM-dd HH:mm:ss.SSS,%n" + " yyyy-MM-dd'T'HH:mm:ss,%n" + " yyyy-MM-dd]"); final Date date = DateUtil.parse("2003-04-26"); registerCustomDateFormat("yyyy/MM/dd'T'HH:mm:ss"); // registering again has no effect registerCustomDateFormat("yyyy/MM/dd'T'HH:mm:ss"); assertThat(date).withDateFormat("yyyy/MM/dd").isEqualTo("2003 04 26"); }