From bad2718b1b85d806221fce52c76fa1d388993396 Mon Sep 17 00:00:00 2001 From: Alexander Alexeev Date: Wed, 7 Dec 2016 18:53:37 +0700 Subject: singleton java 8 date formatters --- .../src/test/java/com/juick/FormatterTest.java | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 juick-core/src/test/java/com/juick/FormatterTest.java (limited to 'juick-core/src/test/java/com') diff --git a/juick-core/src/test/java/com/juick/FormatterTest.java b/juick-core/src/test/java/com/juick/FormatterTest.java new file mode 100644 index 00000000..d246c369 --- /dev/null +++ b/juick-core/src/test/java/com/juick/FormatterTest.java @@ -0,0 +1,45 @@ +package com.juick; + +import com.juick.util.DateFormattersHolder; +import org.apache.commons.lang3.RandomUtils; +import org.junit.Test; + +import java.util.Calendar; +import java.util.Date; +import java.util.GregorianCalendar; +import java.util.TimeZone; + +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.*; + +/** + * Created by aalexeev on 12/7/16. + */ +public class FormatterTest { + + @Test + public void forAnyDateFormatterShouldReturnNotEmptyString() throws Exception { + Date date = new Date(); + + assertThat(DateFormattersHolder.getMessageFormatterInstance().format(date), not(isEmptyOrNullString())); + assertThat(DateFormattersHolder.getRssFormatterInstance().format(date), not(isEmptyOrNullString())); + + date = new Date(RandomUtils.nextLong(1, Long.MAX_VALUE / 10000)); + + assertThat(DateFormattersHolder.getMessageFormatterInstance().format(date), not(isEmptyOrNullString())); + assertThat(DateFormattersHolder.getRssFormatterInstance().format(date), not(isEmptyOrNullString())); + } + + @Test + public void forConcreteDateShouldReturnCorrectString() throws Exception { + Calendar calendar = GregorianCalendar.getInstance(); + + calendar.set(2012, 0, 1, 0, 0, 0); + calendar.setTimeZone(TimeZone.getTimeZone("UTC")); + + Date date = calendar.getTime(); + + assertThat(DateFormattersHolder.getMessageFormatterInstance().format(date), equalTo("2012-01-01 00:00:00")); + assertThat(DateFormattersHolder.getRssFormatterInstance().format(date), equalTo("Sun, 1 Jan 2012 00:00:00")); + } +} -- cgit v1.2.3