Add partitioned to cookie for SignalR browser testing (#60728)

BrennanConroy · Copilot · web-flow · commit dc12b4736bda · 2025-03-07T09:28:11.000-08:00
* Add partitioned to cookie for SignalR browser testing

* Update src/SignalR/clients/ts/FunctionalTests/Startup.cs

Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;

---------

Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/src/SignalR/clients/ts/FunctionalTests/Startup.cs b/src/SignalR/clients/ts/FunctionalTests/Startup.cs
@@ -184,9 +184,11 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILogger<
                 {
                     cookieOptions.SameSite = Microsoft.AspNetCore.Http.SameSiteMode.None;
                     cookieOptions.Secure = true;
+                    cookieOptions.Extensions.Add("partitioned"); // Required by Chromium
 
                     expiredCookieOptions.SameSite = Microsoft.AspNetCore.Http.SameSiteMode.None;
                     expiredCookieOptions.Secure = true;
+                    expiredCookieOptions.Extensions.Add("partitioned"); // Required by Chromium
                 }
                 context.Response.Cookies.Append("testCookie", "testValue", cookieOptions);
                 context.Response.Cookies.Append("testCookie2", "testValue2", cookieOptions);

Original file line number	Diff line number	Diff line change
`@@ -184,9 +184,11 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILogger<`
`184`	`184`	`{`
`185`	`185`	`cookieOptions.SameSite = Microsoft.AspNetCore.Http.SameSiteMode.None;`
`186`	`186`	`cookieOptions.Secure = true;`
	`187`	`+ cookieOptions.Extensions.Add("partitioned"); // Required by Chromium`
`187`	`188`
`188`	`189`	`expiredCookieOptions.SameSite = Microsoft.AspNetCore.Http.SameSiteMode.None;`
`189`	`190`	`expiredCookieOptions.Secure = true;`
	`191`	`+ expiredCookieOptions.Extensions.Add("partitioned"); // Required by Chromium`
`190`	`192`	`}`
`191`	`193`	`context.Response.Cookies.Append("testCookie", "testValue", cookieOptions);`
`192`	`194`	`context.Response.Cookies.Append("testCookie2", "testValue2", cookieOptions);`