test(SystemTimezone): add tests for SystemTimezone model #711

Author: jaredhendrickson13

pfSense-pkg-RESTAPI/files/usr/local/pkg/RESTAPI/Tests/APIModelsSystemTimezoneTestCase.inc

@@ -0,0 +1,46 @@
+<?php
+
+namespace RESTAPI\Tests;
+
+use RESTAPI\Core\TestCase;
+use RESTAPI\Models\SystemTimezone;
+
+class APIModelsSystemTimezoneTestCase extends TestCase {
+    /**
+     * Checks that the system timezone is configured after updating.
+     */
+    public function test_update(): void {
+        # Create the SystemHostname model object to test with
+        $timezone = new SystemTimezone(timezone: 'America/Denver');
+        $timezone->update();
+
+        # Ensure the timezone was updated correctly
+        $zoneinfo = file_get_contents('/var/db/zoneinfo');
+        $this->assert_equals($zoneinfo, 'America/Denver');
+
+        # Update the timezone again
+        $timezone = new SystemTimezone(timezone: 'UTC');
+        $timezone->update();
+
+        # Ensure the timezone was updated correctly
+        $zoneinfo = file_get_contents('/var/db/zoneinfo');
+        $this->assert_equals($zoneinfo, 'UTC');
+    }
+
+    /**
+     * Checks that the get_timezone_choices method returns a valid list of timezones.
+     */
+    public function test_get_timezone_choices(): void {
+        $timezone = new SystemTimezone();
+        $choices = $timezone->get_timezone_choices();
+        $expected_choices = ['America/Denver', 'America/New_York', 'UTC'];
+
+        # Ensure the expected choices are in the list
+        foreach ($expected_choices as $choice) {
+            $this->assert_is_true(
+                in_array($choice, $choices),
+                message: "Expected timezone '$choice' not found in choices.",
+            );
+        }
+    }
+}