1 files changed, 34 insertions, 0 deletions
diff --git a/SendGrid/Tests/Transport/TestErrorChecker.cs b/SendGrid/Tests/Transport/TestErrorChecker.cs
new file mode 100644
index 0000000..f178064
--- /dev/null
+++ b/SendGrid/Tests/Transport/TestErrorChecker.cs
@@ -0,0 +1,34 @@
+namespace Transport
+{
+    #region Using Directives
+
+    using System;
+    using System.Net;
+    using System.Net.Http;
+
+    using Exceptions;
+
+    using NUnit.Framework;
+
+    using SendGrid;
+
+    #endregion
+
+    [TestFixture]
+    public class TestErrorChecker
+    {
+        private const string BadUsernameOrPasswordResponseMessage = "<result><message>error</message><errors><error>Bad username / password</error></errors></result>";
+
+        [Test]
+        [ExpectedException(typeof(InvalidApiRequestException))]
+        public void WhenHttpResponseContainsBadUserErrorItIsDetectedAndAInvalidApiRequestIsThrown()
+        {
+            var response = new HttpResponseMessage(HttpStatusCode.BadRequest)
+            {
+                Content = new StringContent(BadUsernameOrPasswordResponseMessage)
+            };
+
+            ErrorChecker.CheckForErrors(response);
+        }
+    }
+}
+\ No newline at end of file