[chore] Display object type, ID when converting object to string (#556)

- Override `ToString` for EasyPost objects to display object type and optional ID
- Add unit test for string representation of object

CHANGELOG.md

@@ -2,8 +2,10 @@
 
 ## Next Release
 
-- Fix payment method funding and deletion failures due to undetermined payment method type
 - Add Refund function in insurance service for requesting a refund for standalone insurance.
+- Fix payment method funding and deletion failures due to undetermined payment method type
+- Fix `ToString` method for `EasyPostObject`- and `EphemeralEasyPostObject`-based objects to return object type and
+  optional ID
 
 ## v6.2.1 (2024-03-18)
 

EasyPost.Tests/baseTests/EasyPostObjectTests.cs

@@ -80,5 +80,24 @@ public void TestEquals()
             Assert.False(apiKey == null);
             Assert.False(null == apiKey);
         }
+
+        [Fact]
+        [Testing.Function]
+        public void TestToString()
+        {
+            const string @object = "the_object_type";
+            const string id = "the_objet_id";
+
+            Address address = new()
+            {
+                Id = id,
+                Object = @object
+            };
+
+            const string expected = $"{@object} {id}";
+            string actual = address.ToString();
+
+            Assert.Equal(expected, actual);
+        }
     }
 }

EasyPost/_base/EasyPostObject.cs

@@ -45,6 +45,9 @@ public abstract class EasyPostObject : EphemeralEasyPostObject
         /// <returns>A dictionary representation of this object's properties.</returns>
         public virtual Dictionary<string, object> AsDictionary() => JsonConvert.DeserializeObject<Dictionary<string, object>>(AsJson())!;
 
+        /// <inheritdoc />
+        public override string ToString() => $"{Object!} {Id!}";
+
         /// <inheritdoc />
         public override bool Equals(object? obj) => GetType() == obj?.GetType() && GetHashCode() == ((EasyPostObject)obj).GetHashCode();
 

EasyPost/_base/EphemeralEasyPostObject.cs

@@ -26,6 +26,9 @@ public abstract class EphemeralEasyPostObject : IEasyPostObject
 
         #endregion
 
+        /// <inheritdoc />
+        public override string ToString() => Object!;
+
         /// <inheritdoc />
         public override bool Equals(object? obj) => GetType() == obj?.GetType() && GetHashCode() == ((EphemeralEasyPostObject)obj).GetHashCode();