1 files changed, 19 insertions, 0 deletions
diff --git a/Timeline.Tests/Helpers/InvalidModelTestHelpers.cs b/Timeline.Tests/Helpers/InvalidModelTestHelpers.cs
new file mode 100644
index 00000000..d35982d4
--- /dev/null
+++ b/Timeline.Tests/Helpers/InvalidModelTestHelpers.cs
@@ -0,0 +1,19 @@
+using System.Net;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Timeline.Models.Http;
+using Xunit;
+
+namespace Timeline.Tests.Helpers
+{
+    public static class InvalidModelTestHelpers
+    {
+        public static async Task TestPostInvalidModel<T>(HttpClient client, string url, T body)
+        {
+            var response = await client.PostAsJsonAsync(url, body);
+            Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+            var responseBody = await response.ReadBodyAsJson<CommonResponse>();
+            Assert.Equal(CommonResponse.ErrorCodes.InvalidModel, responseBody.Code);
+        }
+    }
+}