OKTA-595075 password warn fix (#210)

### Features

* Add IdxClientBuilder to simplify configuration of IdxClient.
* Add PasswordWarnStateResolver to account for password warn state.
* Add CustomPasswordWarnStateResolver enabling custom resolution of password warn state.

### Bug Fixes

* Check password warn state on skip to prevent exception.

Author: bryanapellanes-okta

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## 2.4.0
+
+### Additions
+
+* Add IdxClientBuilder to simplify configuration of IdxClient.
+* Add PasswordWarnStateResolver to account for password warn state.
+* Add CustomPasswordWarnStateResolver enabling custom resolution of password warn state.
+
+### Bug Fixes
+
+* Check password warn state on skip to prevent exception.
+
 ## 2.3.2
 
 ### Bug Fixes

src/Okta.Idx.Sdk.UnitTests/IdxClientBuilderShould.cs

@@ -0,0 +1,75 @@
+using FluentAssertions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+using Okta.Idx.Sdk.Configuration;
+
+namespace Okta.Idx.Sdk.UnitTests
+{
+    public class IdxClientBuilderShould
+    {
+        [Fact]
+        public async Task UseConfiguration()
+        {
+            string testIssuer = "http://fake.com";
+            string testClientId = Guid.NewGuid().ToString();
+            string testRedirectUri = "http://fake.com/callback";
+            IdxClient client = new IdxClientBuilder()
+                .UseConfiguration(new IdxConfiguration
+                {
+                    Issuer = testIssuer,
+                    ClientId = testClientId,
+                    RedirectUri = testRedirectUri
+                })
+                .Build();
+
+            client.Should().NotBeNull();
+            client.Configuration.Issuer.Should().Be(testIssuer);
+            client.Configuration.ClientId.Should().Be(testClientId);
+            client.Configuration.RedirectUri.Should().Be(testRedirectUri);
+        }
+
+        [Fact]
+        public async Task BuildClient()
+        {
+            string testIssuer = "http://fake.com";
+            string testClientId = Guid.NewGuid().ToString();
+            string testRedirectUri = "http://fake.com/callback";
+            IdxClient client = new IdxClientBuilder()
+                .UseConfiguration(new IdxConfiguration
+                {
+                    Issuer = testIssuer,
+                    ClientId = testClientId,
+                    RedirectUri = testRedirectUri
+                })
+                .Build();
+
+            client.Should().NotBeNull();
+            client.PasswordWarnStateResolver.Should().NotBeNull();
+        }
+
+        [Fact]
+        public async Task UsePasswordWarnStateResolver()
+        {
+            string testIssuer = "http://fake.com";
+            string testClientId = Guid.NewGuid().ToString();
+            string testRedirectUri = "http://fake.com/callback";
+            IdxClient client = new IdxClientBuilder()
+                .UseConfiguration(new IdxConfiguration
+                {
+                    Issuer = testIssuer,
+                    ClientId = testClientId,
+                    RedirectUri = testRedirectUri
+                })
+                .UsePasswordWarnStateResolver((idxResponse) => true)                
+                .Build();
+
+            client.Should().NotBeNull();
+            client.PasswordWarnStateResolver.Should().NotBeNull();
+            client.PasswordWarnStateResolver.GetType().Should().Be(typeof(CustomPasswordWarnStateResolver));
+        }
+    }
+}