feat: implement BuildVerificationRequest on StartVerificationResponse

Vonage.Test.Unit/VerifyV2/StartVerification/StartVerificationResponseTest.cs

@@ -0,0 +1,33 @@
+using System;
+using FluentAssertions;
+using Vonage.Common.Monads;
+using Vonage.Common.Test.Extensions;
+using Vonage.VerifyV2.StartVerification;
+using Xunit;
+
+namespace Vonage.Test.Unit.VerifyV2.StartVerification
+{
+    public class StartVerificationResponseTest
+    {
+        [Theory]
+        [InlineData("")]
+        [InlineData(" ")]
+        [InlineData(null)]
+        public void BuildVerificationRequest_ShouldReturnFailure_GivenCodeIsNullOrWhitespace(string value) =>
+            new StartVerificationResponse(Guid.NewGuid(), Maybe<Uri>.None)
+                .BuildVerificationRequest(value)
+                .Should()
+                .BeParsingFailure("Code cannot be null or whitespace.");
+
+        [Fact]
+        public void BuildVerificationRequest_ShouldReturnSuccess() =>
+            new StartVerificationResponse(new Guid("06547d61-7ac0-43bb-94bd-503b24b2a3a5"), Maybe<Uri>.None)
+                .BuildVerificationRequest("Some code.")
+                .Should()
+                .BeSuccess(request =>
+                {
+                    request.RequestId.Should().Be(new Guid("06547d61-7ac0-43bb-94bd-503b24b2a3a5"));
+                    request.Code.Should().Be("Some code.");
+                });
+    }
+}

Vonage.Test.Unit/VerifyV2/VerifyCode/RequestBuilderTest.cs

@@ -9,9 +9,7 @@ namespace Vonage.Test.Unit.VerifyV2.VerifyCode
 {
     public class RequestBuilderTest
     {
-        private readonly Fixture fixture;
-
-        public RequestBuilderTest() => this.fixture = new Fixture();
+        private readonly Fixture fixture = new Fixture();
 
         [Theory]
         [InlineData("")]

Vonage/VerifyV2/StartVerification/StartVerificationResponse.cs

@@ -2,6 +2,7 @@
 using System.Text.Json.Serialization;
 using Vonage.Common.Monads;
 using Vonage.Common.Serialization;
+using Vonage.VerifyV2.VerifyCode;
 
 namespace Vonage.VerifyV2.StartVerification;
 
@@ -15,4 +16,13 @@ public record StartVerificationResponse(
     [property: JsonPropertyOrder(1)]
     [property: JsonConverter(typeof(MaybeJsonConverter<Uri>))]
     [property: JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
-    Maybe<Uri> CheckUrl);
+    Maybe<Uri> CheckUrl)
+{
+    /// <summary>
+    ///     Builds a VerifyCodeRequest based on the current request.
+    /// </summary>
+    /// <param name="verificationCode">The verification code.</param>
+    /// <returns>A request to verify the code for the current process.</returns>
+    public Result<VerifyCodeRequest> BuildVerificationRequest(string verificationCode) => VerifyCodeRequest.Build()
+        .WithRequestId(this.RequestId).WithCode(verificationCode).Create();
+}