feat: add Type property on Failures (#446)

Vonage.Common.Test/Failures/AuthenticationFailureTest.cs

@@ -0,0 +1,13 @@
+using FluentAssertions;
+using Vonage.Common.Failures;
+
+namespace Vonage.Common.Test.Failures;
+
+public class AuthenticationFailureTest
+{
+    [Fact]
+    public void Type_ShouldReturnAuthenticationFailure() => new AuthenticationFailure()
+        .Type
+        .Should()
+        .Be(typeof(AuthenticationFailure));
+}

Vonage.Common.Test/Failures/DeserializationFailureTest.cs

@@ -19,4 +19,11 @@ public void ToException_ShouldReturnVonageException()
         exception.Message.Should().Be("Unable to deserialize 'serialized text' into 'DeserializationFailureTest'.");
         exception.Json.Should().Be("serialized text");
     }
+
+    [Fact]
+    public void Type_ShouldReturnDeserializationFailure() => DeserializationFailure
+        .From(typeof(DeserializationFailureTest), "serialized text")
+        .Type
+        .Should()
+        .Be(typeof(DeserializationFailure));
 }

Vonage.Common.Test/Failures/HttpFailureTest.cs

@@ -26,5 +26,11 @@ public void ToException_ShouldReturnVonageException()
             exception.HttpStatusCode.Should().Be(HttpStatusCode.NotFound);
             exception.Json.Should().Be("json data");
         }
+
+        [Fact]
+        public void Type_ShouldReturnHttpFailure() => HttpFailure.From(HttpStatusCode.NotFound)
+            .Type
+            .Should()
+            .Be(typeof(HttpFailure));
     }
 }

Vonage.Common.Test/Failures/ResultFailureTest.cs

@@ -22,5 +22,11 @@ public void ToException_ShouldReturnVonageException() =>
         public void ToResult_ShouldReturnFailure() =>
             ResultFailure.FromErrorMessage("Some error.").ToResult<int>().Should()
                 .BeFailure(ResultFailure.FromErrorMessage("Some error."));
+
+        [Fact]
+        public void Type_ShouldReturnResultFailure() => ResultFailure.FromErrorMessage("Some error.")
+            .Type
+            .Should()
+            .Be(typeof(ResultFailure));
     }
 }

Vonage.Common/Failures/AuthenticationFailure.cs

@@ -7,6 +7,9 @@ namespace Vonage.Common.Failures;
 /// <inheritdoc />
 public struct AuthenticationFailure : IResultFailure
 {
+    /// <inheritdoc />
+    public Type Type => typeof(AuthenticationFailure);
+
     /// <inheritdoc />
     public string GetFailureMessage() => VonageAuthenticationException.FromMissingApplicationIdOrPrivateKey().Message;
 

Vonage.Common/Failures/DeserializationFailure.cs

@@ -18,6 +18,9 @@ namespace Vonage.Common.Failures;
     /// </summary>
     public string SerializedContent { get; }
 
+    /// <inheritdoc />
+    public Type Type => typeof(DeserializationFailure);
+
     /// <summary>
     ///     Creates a DeserializationFailure.
     /// </summary>

Vonage.Common/Failures/HttpFailure.cs

@@ -26,6 +26,9 @@ namespace Vonage.Common.Failures;
     /// <remarks>Mandatory for deserialization.</remarks>
     public string Message { get; }
 
+    /// <inheritdoc />
+    public Type Type => typeof(HttpFailure);
+
     /// <summary>
     ///     Create a HttpFailure.
     /// </summary>

Vonage.Common/Failures/IResultFailure.cs

@@ -8,6 +8,11 @@ namespace Vonage.Common.Failures;
 /// </summary>
 public interface IResultFailure
 {
+    /// <summary>
+    ///     The type of failure.
+    /// </summary>
+    Type Type { get; }
+
     /// <summary>
     ///     Returns the error message defined in the failure.
     /// </summary>

Vonage.Common/Failures/ResultFailure.cs

@@ -10,6 +10,9 @@ namespace Vonage.Common.Failures;
     private readonly string error;
     private ResultFailure(string error) => this.error = error;
 
+    /// <inheritdoc />
+    public Type Type => typeof(ResultFailure);
+
     /// <summary>
     ///     Creates a failure from an error message.
     /// </summary>