Handle nullable date in Clock::at()

letsdrink · Jul 12, 2023 · e564f71 · e564f71
1 parent 5e92d86
commit e564f71
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/src/Ouzo/Goodies/Utilities/Clock.php b/src/Ouzo/Goodies/Utilities/Clock.php
@@ -64,6 +64,7 @@ public static function now(): Clock
     /** Obtains a Clock set to to a specific point. */
     public static function at(?string $date): Clock
     {
+        $date = $date ?? Strings::EMPTY;
         $dateTime = new DateTime($date);
         return new Clock($dateTime);
     }

diff --git a/test/src/Ouzo/Goodies/Utilities/ClockTest.php b/test/src/Ouzo/Goodies/Utilities/ClockTest.php
@@ -226,7 +226,17 @@ public static function monthChange(): array
             ['2017-02-01', -1, '2017-01-01'],
             ['2017-03-01', -2, '2017-01-01'],
             ['2017-02-28', -1, '2017-01-28'],
-            ['2018-01-31', -1, '2017-12-31']
+            ['2018-01-31', -1, '2017-12-31'],
         ];
     }
+
+    #[Test]
+    public function shouldHandleNullableDate(): void
+    {
+        //when
+        $clock = Clock::at(null);
+
+        //then
+        $this->assertNotNull($clock);
+    }
 }