Ticket #38773: 38773.4.diff

tests/phpunit/tests/formatting/HumanTimeDiff.php

@@ +1 @@
+<?php
+
+/**
+ * @group formatting
+ * @ticket 38773
+ */
+class Tests_Formatting_HiumanTimeDiff extends WP_UnitTestCase {
+        function test_simple() {
+                // Test some basic differences such as "1 hour", "5 mins", "2 days".
+                $startdate = new DateTime( '2016-01-01 12:00:00' );
+
+                // Test a difference of 5 minutes.
+                $stopdate = new DateTime( '2016-01-01 12:05:00' );
+                $this->assertEquals( '5 mins', human_time_diff( $startdate->getTimestamp(), $stopdate->getTimestamp() ) );
+
+                // Test a difference of 1 hour.
+                $stopdate = new DateTime( '2016-01-01 13:00:00' );
+                $this->assertEquals( '1 hour', human_time_diff( $startdate->getTimestamp(), $stopdate->getTimestamp() ) );
+
+                // Test a difference of 2 days.
+                $stopdate = new DateTime( '2016-01-03 12:00:00' );
+                $this->assertEquals( '2 days', human_time_diff( $startdate->getTimestamp(), $stopdate->getTimestamp() ) );
+        }
+        function test_rounding() {
+                // Test some close dates for rounding issues.
+                $startdate = new DateTime( '2016-01-01 12:00:00' );
+
+                // Test a difference of 2 hours and 30 minutes and 1 second - should round up to 3 hours.
+                $stopdate = new DateTime( '2016-01-01 14:30:01' );
+                $this->assertEquals( '3 hours', human_time_diff( $startdate->getTimestamp(), $stopdate->getTimestamp() ) );
+
+                // Test a difference of 1 month and 16 days - should round up to 2 months.
+                $stopdate = new DateTime( '2016-02-17 12:00:00' );
+                $this->assertEquals( '2 months', human_time_diff( $startdate->getTimestamp(), $stopdate->getTimestamp() ) );
+
+                // Test a difference of 2 years 6 months and 1 day, should round up to 3 years.
+                $stopdate = new DateTime( '2018-07-02 12:00:00' );
+                $this->assertEquals( '3 years', human_time_diff( $startdate->getTimestamp(), $stopdate->getTimestamp() ) );
+        }
+
+}