From c6e1053962703c2bcacff3373f52595edb62d0ef Mon Sep 17 00:00:00 2001
From: James Newton-King <james@newtonking.com>
Date: Tue, 6 Aug 2024 13:48:45 +0800
Subject: [PATCH] Config test

---
 .../Integration/StartupTests.cs                  | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tests/Aspire.Dashboard.Tests/Integration/StartupTests.cs b/tests/Aspire.Dashboard.Tests/Integration/StartupTests.cs
index 1ee6bd88d24..aafe264113d 100644
--- a/tests/Aspire.Dashboard.Tests/Integration/StartupTests.cs
+++ b/tests/Aspire.Dashboard.Tests/Integration/StartupTests.cs
@@ -436,6 +436,22 @@ public async Task EndPointAccessors_AppStarted_BrowserGet_Success()
         Assert.NotEmpty(response.Headers.GetValues(HeaderNames.ContentSecurityPolicy).Single());
     }
 
+    [Fact]
+    public async Task Configuration_CorsNoOtlpHttpEndpoint_Error()
+    {
+        // Arrange & Act
+        await using var app = IntegrationTestHelpers.CreateDashboardWebApplication(testOutputHelper,
+            additionalConfiguration: data =>
+            {
+                data.Remove(DashboardConfigNames.DashboardOtlpHttpUrlName.ConfigKey);
+                data[$"{DashboardConfigNames.DashboardOtlpCorsAllowedOriginsKeyName.ConfigKey}:0"] = "https://localhost:666";
+            });
+
+        // Assert
+        Assert.Collection(app.ValidationFailures,
+            s => Assert.Contains(DashboardConfigNames.DashboardOtlpHttpUrlName.ConfigKey, s));
+    }
+
     private static void AssertDynamicIPEndpoint(Func<EndpointInfo> endPointAccessor)
     {
         // Check that the specified dynamic port of 0 is overridden with the actual port number.