Ticket #38773: 38773.5.diff

new file tests/phpunit/tests/formatting/HumanTimeDiff.php

@@ +1 @@
+<?php
+
+/**
+ * @group formatting
+ * @ticket 38773
+ */
+class Tests_Formatting_HumanTimeDiff extends WP_UnitTestCase {
+
+        /**
+         * @group formatting
+         * @ticket 38773
+         * @dataProvider data_test_human_time_diff
+         */
+        function test_human_time_diff( $expected, $stopdate, $message ) {
+                $startdate = new DateTime( '2016-01-01 12:00:00' );
+                $this->assertEquals( $expected, human_time_diff( $startdate->format( 'U' ), $stopdate->format( 'U' ) ), $message );
+        }
+
+        // Data for test_human_time_diff.
+        function data_test_human_time_diff() {
+                return array(
+                        array(
+                                '5 mins',
+                                new DateTime( '2016-01-01 12:05:00' ),
+                                'Test a difference of 5 minutes.',
+                        ),
+                        array(
+                                '1 hour',
+                                new DateTime( '2016-01-01 13:00:00' ),
+                                'Test a difference of 1 hour.',
+                        ),
+                        array(
+                                '2 days',
+                                new DateTime( '2016-01-03 12:00:00' ),
+                                'Test a difference of 2 days.',
+                        ),
+                        array(
+                                '2 hours',
+                                new DateTime( '2016-01-01 14:29:59' ),
+                                'Test a difference of 2 hours, 29 minutes and 59 seconds  - should round down to 2 hours.',
+                        ),
+                        array(
+                                '3 hours',
+                                new DateTime( '2016-01-01 14:30:00' ),
+                                'Test a difference of 2 hours and 30 minutes - should round up to 3 hours.',
+                        ),
+                        array(
+                                '2 months',
+                                new DateTime( '2016-02-15 12:00:00' ),
+                                'Test a difference of 1 month and 15 days - should round up to 2 months.',
+                        ),
+                        array(
+                                '1 month',
+                                new DateTime( '2016-02-14 12:00:00' ),
+                                'Test a difference of 1 month and 14 days - should round down to 1 month.',
+                        ),
+                        array(
+                                '3 years',
+                                new DateTime( '2018-07-02 12:00:00' ),
+                                'Test a difference of 2 years 6 months and 1 day, should round up to 3 years.',
+                        ),
+                        array(
+                                '2 years',
+                                new DateTime( '2018-07-01 12:00:00' ),
+                                'Test a difference of 2 years 6 months, should round down to 2 years.',
+                        ),
+                );
+        }
+}