Written sample unit test using simpletest

morshedalam · Feb 29, 2012 · 244ccaf · 244ccaf
1 parent 5b2faea
commit 244ccaf
Showing 1 changed file with 40 additions and 0 deletions.
diff --git a/unit_test.php b/unit_test.php
@@ -0,0 +1,40 @@
+<?php
+
+require_once('simpletest/autorun.php');
+require_once('date_time_helper.php');
+
+class TestOfDateTimeHelper extends UnitTestCase {
+
+    private function printTestInfo($func) {
+        print ucfirst(preg_replace('/^test /', '',
+                                strtolower(preg_replace('/(?<!\ )[A-Z]/', ' $0', $func))
+                )) . "<br />";
+    }
+
+    function testTimeDifferenceShouldBeZero() {
+        $this->printTestInfo(__FUNCTION__);
+        $helper = new DateTimeHelper();
+        $this->assertEqual($helper->timeDifference(), new DateInterval('PT0S'));
+    }
+
+    function testTimeDiffAsWordsShouldBeNull() {
+        $this->printTestInfo(__FUNCTION__);
+        $helper = new DateTimeHelper();
+        $this->assertEqual($helper->timeDiffAsWords(), '');
+    }
+
+    function testTimeDiffAsWordsShouldBeLessThanAMinute() {
+        $this->printTestInfo(__FUNCTION__);
+        $helper = new DateTimeHelper();
+        $this->assertEqual($helper->timeDiffAsWords(date('Y-m-d H:i:s')), 'less than a minute ago');
+    }
+
+    function testTimeDiffAsWordsShouldBeAboutOneHour() {
+        $this->printTestInfo(__FUNCTION__);
+        $helper = new DateTimeHelper();
+        $this->assertEqual($helper->timeDiffAsWords('2012-02-01 10:00:10', '2012-02-01 11:00:01'), 'about an hour ago');
+    }
+
+}
+
+?>