1 files changed, 53 insertions, 0 deletions
diff --git a/tests/unit/includes/DatetimeTest.php b/tests/unit/includes/DatetimeTest.php
new file mode 100644
index 000000000..f8c480449
--- /dev/null
+++ b/tests/unit/includes/DatetimeTest.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * tests function from include/datetime.php
+ *
+ * @package test.util
+ */
+
+use Zotlabs\Tests\Unit\UnitTestCase;
+
+class DatetimeTest extends UnitTestCase {
+
+	// Test when the timestamp is in the past
+	public function test_relative_time_past() {
+		$now = new DateTime('2024-12-07 00:00:00');
+		$timestamp = datetime_convert(date_default_timezone_get(), 'UTC', '2023-12-05 10:30:00');
+		$result = relative_time($timestamp, $now);
+		$this->assertEquals('1 year ago', $result);
+	}
+
+	// Test when the timestamp is in the future
+	public function test_relative_time_future() {
+		$now = new DateTime('2024-12-07 00:00:00');
+		$timestamp = datetime_convert(date_default_timezone_get(), 'UTC', '2024-12-09 12:00:00');
+		$result = relative_time($timestamp, $now);
+		$this->assertEquals('in 2 days', $result);
+	}
+
+	// Test for "now" case (timestamp exactly equal to current time)
+	public function test_relative_time_now() {
+		$now = new DateTime('2024-12-07 00:00:00');
+		$timestamp = datetime_convert(date_default_timezone_get(), 'UTC', '2024-12-07 00:00:00');
+		$result = relative_time($timestamp, $now);
+		$this->assertEquals('now', $result);
+	}
+
+	// Test for future time with smaller units (e.g., minutes)
+	public function test_relative_time_future_minutes() {
+		$now = new DateTime('2024-12-07 10:30:00');
+		$timestamp = datetime_convert(date_default_timezone_get(), 'UTC', '2024-12-07 10:35:00');
+		$result = relative_time($timestamp, $now);
+		$this->assertEquals('in 5 minutes', $result);
+	}
+
+	// Test for past time with smaller units (e.g., seconds)
+	public function test_relative_time_past_seconds() {
+		$now = new DateTime('2024-12-07 10:30:00');
+		$timestamp = datetime_convert(date_default_timezone_get(), 'UTC', '2024-12-07 10:29:58');
+		$result = relative_time($timestamp, $now);
+		$this->assertEquals('2 seconds ago', $result);
+	}
+}
+
+