EnumCast: Use ::tryFrom in fromDb()

src/Behavior/EnumCast.php

@@ -12,7 +12,7 @@
  * Convert backed-enum database values to and from PHP enum instances
  *
  * The enum's backing value (string|int) is stored in the database. On retrieval the raw scalar
- * is converted to the corresponding enum case via {@see BackedEnum::from()}; on persistence the
+ * is converted to the corresponding enum case via {@see BackedEnum::tryFrom()}; on persistence the
  * enum instance is unwrapped back to its backing value. Null is preserved as null in both directions.
  *
  * ```php
@@ -47,24 +47,14 @@
      * @param int|string|null $value
      *
      * @return ?BackedEnum
-     *
-     * @throws ValueConversionException
      */
     public function fromDb($value, $key, $_)
     {
         if ($value === null || $value instanceof $this->enum) {
             return $value;
         }
 
-        try {
-            return $this->enum::from($value);
-        } catch (ValueError $e) {
-            throw new ValueConversionException(sprintf(
-                "%s (key: '%s')",
-                $e->getMessage(),
-                $key
-            ));
-        }
+        return $this->enum::tryFrom($value);
     }
 
     /**
@@ -85,7 +75,7 @@
         }
 
         try {
             return $this->enum::from($value)->value;
         } catch (ValueError $e) {
             throw new ValueConversionException(sprintf(
                 "%s (key: '%s')",

tests/Behavior/EnumCastTest.php

@@ -79,9 +79,7 @@ public function testToDbPassesThroughNull(): void
 
     public function testFromDbThrowsForUnknownBackingValue(): void
     {
-        $this->expectException(ValueConversionException::class);
-
-        $this->behavior->fromDb('purple', 'color', null);
+        $this->assertNull($this->behavior->fromDb('purple', 'color', null));
     }
 
     public function testFromDbIsIdempotentWhenValueIsAlreadyAnEnumInstance(): void