From abbeca3e06c96c089bc3a9c8168648d6cdd5e5cf Mon Sep 17 00:00:00 2001
From: Greg Sarjeant <1686767+gsarjeant@users.noreply.github.com>
Date: Mon, 30 Jun 2025 20:27:55 -0400
Subject: [PATCH] Add first unit test.

---
 .gitignore                        | 11 ++++++++---
 tests/Framework/Util/UtilTest.php | 31 +++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100644 tests/Framework/Util/UtilTest.php

diff --git a/.gitignore b/.gitignore
index de7aa0b..e13d4a0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,10 +1,15 @@
 .vscode
 .DS_Store
 
+# PHP Unit tests
+phpunit
+.phpunit.result.cache
+
+# Filesystem storage items
 *.sqlite
 *.txt
-
-/docker-compose.yml
-init_complete
 storage/upload/css
+
+# Testing stuff
+/docker-compose.yml
 scratch
\ No newline at end of file
diff --git a/tests/Framework/Util/UtilTest.php b/tests/Framework/Util/UtilTest.php
new file mode 100644
index 0000000..7f0d248
--- /dev/null
+++ b/tests/Framework/Util/UtilTest.php
@@ -0,0 +1,31 @@
+<?php
+use PHPUnit\Framework\TestCase;
+
+final class UtilTest extends TestCase
+{
+    public function testRelativeTime(): void
+    {
+        $datetime = new DateTimeImmutable();
+
+        $oneMinuteAgo = $datetime->modify('-1 minute')->format('c');
+        $relativeTime = Util::relative_time($oneMinuteAgo);
+        $this->assertSame($relativeTime, "1 minute ago");
+
+        $twoHoursAgo = $datetime->modify('-2 hours')->format('c');
+        $relativeTime = Util::relative_time($twoHoursAgo);
+        $this->assertSame($relativeTime, "2 hours ago");
+
+        $threeDaysAgo = $datetime->modify('-3 days')->format('c');
+        $relativeTime = Util::relative_time($threeDaysAgo);
+        $this->assertSame($relativeTime, "3 days ago");
+
+        $fourMonthsAgo = $datetime->modify('-4 months')->format('c');
+        $relativeTime = Util::relative_time($fourMonthsAgo);
+        $this->assertSame($relativeTime, "4 months ago");
+
+        $fiveYearsAgo = $datetime->modify('-5 years')->format('c');
+        $relativeTime = Util::relative_time($fiveYearsAgo);
+        $this->assertSame($relativeTime, "5 years ago");
+
+    }
+}
\ No newline at end of file