diff --git a/src/test/java/campanule/datasource/CommandeMapperTest.java b/src/test/java/campanule/datasource/CommandeMapperTest.java
index 173a99859bb17cffe7d881e5902347c0fec6febb..553ef3eedb186a22353260839cd04def976f36e0 100644
--- a/src/test/java/campanule/datasource/CommandeMapperTest.java
+++ b/src/test/java/campanule/datasource/CommandeMapperTest.java
@@ -588,5 +588,24 @@ public class CommandeMapperTest {
             }
         });
     }
+    
+    @Test
+    public void testRetrieveByClient() throws PersistenceException {
+        final Identifiant idDefrere = IdentifiantBase.builder()
+                .uuid("DEMO0000-0000-0000-0002-000000000001")
+                .build();
+        List<Commande> entitesTrouvees
+                = (List<Commande>) connectionManager.executeTransaction(
+                        new Operation<MapperManager>() {
+                    @Override
+                    public Object execute(MapperManager mm)
+                            throws PersistenceException {
+                        
+                        return mm.getCommandeMapper().retrieveByClient(idDefrere);
+                    }
+                });
+        Assert.assertTrue(entitesTrouvees.size() == 3); //Defrere posséde 3 commandes
+    }
+    
 
 }