Merge pull request #13 from 1ed/support-immutable-datetime

Add `DateTimeImmutable` support

Author: flack

.gitignore

@@ -0,0 +1,3 @@
+/vendor/
+.phpunit.result.cache
+composer.lock

src/Ranger.php

@@ -9,6 +9,7 @@
 
 use IntlDateFormatter;
 use DateTime;
+use DateTimeImmutable;
 use RuntimeException;
 use InvalidArgumentException;
 use OpenPsa\Ranger\Provider\DefaultProvider;
@@ -233,6 +234,11 @@ private function prepare_date($input) : DateTime
         if ($input instanceof DateTime) {
             return $input;
         }
+        if ($input instanceof DateTimeImmutable) {
+            $date = new DateTime('@' . $input->getTimestamp());
+            $date->setTimezone($input->getTimezone());
+            return $date;
+        }
         if (is_numeric($input)) {
             $date = new Datetime;
             $date->setTimestamp(intval($input));

test/RangerTest.php

@@ -9,6 +9,7 @@
 
 use IntlDateFormatter;
 use DateTime;
+use DateTimeImmutable;
 use PHPUnit\Framework\TestCase;
 
 class RangerTest extends TestCase
@@ -22,7 +23,7 @@ public function testDateRange($language, $start, $end, $expected)
         $this->assertEquals($expected, $formatter->format($start, $end));
     }
 
-    public function providerDateRange()
+    public static function providerDateRange()
     {
         return [
             ['en', '2013-10-05', '2013-10-20', 'Oct 5–20, 2013'],
@@ -44,7 +45,7 @@ public function testDateTimeRange($language, $start, $end, $expected)
         $this->assertEquals($expected, $formatter->format($start, $end));
     }
 
-    public function providerDateTimeRange()
+    public static function providerDateTimeRange()
     {
         return [
             ['en', '2013-10-05 01:01:01', '2013-10-20 00:00:00', 'Oct 5, 2013, 1:01 AM – Oct 20, 2013, 12:00 AM'],
@@ -64,7 +65,7 @@ public function testFullDateRange($language, $start, $end, $expected)
         $this->assertEquals($expected, $formatter->format($start, $end));
     }
 
-    public function providerFullDateRange()
+    public static function providerFullDateRange()
     {
         return [
             ['en', '2013-10-05', '2013-10-20', 'Saturday, October 5 – Sunday, October 20, 2013'],
@@ -86,7 +87,7 @@ public function testShortDateRange($language, $start, $end, $expected)
         $this->assertEquals($expected, $formatter->format($start, $end));
     }
 
-    public function providerShortDateRange()
+    public static function providerShortDateRange()
     {
         return [
             ['en', '2012-10-05', '2013-10-20', '10/5/12 – 10/20/13'],
@@ -135,6 +136,16 @@ public function testDateTime()
         $this->assertEquals('Oct 5–20, 2013', $formatted);
     }
 
+    public function testDateTimeImmutable()
+    {
+        $ranger = new Ranger('en');
+        $start = new DateTimeImmutable('2013-10-05');
+        $end = new DateTimeImmutable('2013-10-20');
+
+        $formatted = $ranger->format($start, $end);
+        $this->assertEquals('Oct 5–20, 2013', $formatted);
+    }
+
     public function testTimestamp()
     {
         $ranger = new Ranger('en');
@@ -188,7 +199,7 @@ public function testNoDate($language, $start, $end, $expected)
         $this->assertEquals($expected, $formatter->format($start, $end));
     }
 
-    public function providerNoDate()
+    public static function providerNoDate()
     {
         return [
             ['en', '2013-10-05 10:00:00', '2013-10-05 13:30:00', '10:00 AM – 1:30 PM'],