Change tests to accept an interface

tests/Service/GeocoderTest.php

@@ -34,8 +34,9 @@ final class GeocoderTest extends KernelTestCase
     {
         sleep(1);
         $this->expectException(ApiErrorException::class);
+        $entity = $this->createEntity('');
         $this->expectExceptionMessageMatches("/Nothing to search for.$/");
-        $this->geocoder->geocode('');
+        $this->geocoder->geocode($entity);
     }
 
     public function testGeocodePostcodeThrowsOnInvalidPostcode(): void
@@ -43,13 +44,15 @@ final class GeocoderTest extends KernelTestCase
         sleep(1);
         $this->expectException(NoResultsFoundException::class);
         $this->expectExceptionMessageMatches("/No results found.$/");
-        $this->geocoder->geocode('ZZZZZZZZZZZZ');
+        $entity = $this->createEntity('Invalid Postcode');
+        $this->geocoder->geocode($entity);
     }
 
     public function testGeocodePostcodeReturnsGeoCoordinates(): GeoCoordinates
     {
         sleep(1);
-        $geoCoords = $this->geocoder->geocode(self::POSTCODE);
+        $entity = $this->createEntity(self::POSTCODE);
+        $geoCoords = $this->geocoder->geocode($entity);
         $this->assertNotNull($geoCoords);
 
         return $geoCoords;
@@ -71,5 +74,23 @@ final class GeocoderTest extends KernelTestCase
             use GeocodeTrait;
         };
     }
+
+    private function createEntity(string $data): GeocodeInterface
+    {
+        $entity = new class implements GeocodeInterface {
+            use GeocodeTrait;
+
+            public string $data;
+
+            public function getGeocodeData(): string
+            {
+                return $this->data;
+            }
+        };
+
+        $entity->data = $data;
+
+        return $entity;
+    }
 }