Fixed SelfHostDeployer and IISExpressDeployer to use the correct application path

src/Microsoft.AspNetCore.Server.Testing/Common/DeploymentParameters.cs

@@ -67,7 +67,7 @@ namespace Microsoft.AspNetCore.Server.Testing
 
         public string SiteName { get; set; }
 
-        public string ApplicationPath { get; set; }
+        public string ApplicationPath { get; }
 
         public string TargetFramework { get; set; }
 

src/Microsoft.AspNetCore.Server.Testing/Common/DeploymentResult.cs

@@ -16,10 +16,10 @@ namespace Microsoft.AspNetCore.Server.Testing
         public string ApplicationBaseUri { get; set; }
 
         /// <summary>
-        /// The web root folder where the application is hosted. This path can be different from the 
+        /// The folder where the application is hosted. This path can be different from the 
         /// original application source location if published before deployment.
         /// </summary>
-        public string WebRootLocation { get; set; }
+        public string ContentRoot { get; set; }
 
         /// <summary>
         /// Original deployment parameters used for this deployment.

src/Microsoft.AspNetCore.Server.Testing/Deployers/ApplicationDeployer.cs

@@ -76,12 +76,6 @@ namespace Microsoft.AspNetCore.Server.Testing
                 throw new Exception($"{DotnetCommandName} publish exited with exit code : {hostProcess.ExitCode}");
             }
 
-            DeploymentParameters.ApplicationPath =
-                (DeploymentParameters.ServerType == ServerType.IISExpress ||
-                 DeploymentParameters.ServerType == ServerType.IIS) ?
-                DeploymentParameters.PublishedApplicationRootPath :
-                DeploymentParameters.ApplicationPath;
-
             Logger.LogInformation($"{DotnetCommandName} publish finished with exit code : {hostProcess.ExitCode}");
         }
 

src/Microsoft.AspNetCore.Server.Testing/Deployers/IISDeployer.cs

@@ -56,7 +56,7 @@ namespace Microsoft.AspNetCore.Server.Testing
 
             return new DeploymentResult
             {
-                WebRootLocation = DeploymentParameters.ApplicationPath,
+                ContentRoot = DeploymentParameters.PublishedApplicationRootPath,
                 DeploymentParameters = DeploymentParameters,
                 // Accomodate the vdir name.
                 ApplicationBaseUri = uri.ToString(),

src/Microsoft.AspNetCore.Server.Testing/Deployers/IISExpressDeployer.cs

@@ -34,13 +34,15 @@ namespace Microsoft.AspNetCore.Server.Testing
                 DotnetPublish();
             }
 
+            var contentRoot = DeploymentParameters.PublishApplicationBeforeDeployment ? DeploymentParameters.PublishedApplicationRootPath : DeploymentParameters.ApplicationPath;
+
             var uri = TestUriHelper.BuildTestUri(DeploymentParameters.ApplicationBaseUriHint);
             // Launch the host process.
-            var hostExitToken = StartIISExpress(uri);
+            var hostExitToken = StartIISExpress(uri, contentRoot);
 
             return new DeploymentResult
             {
-                WebRootLocation = DeploymentParameters.ApplicationPath,
+                ContentRoot = contentRoot,
                 DeploymentParameters = DeploymentParameters,
                 // Right now this works only for urls like http://localhost:5001/. Does not work for http://localhost:5001/subpath.
                 ApplicationBaseUri = uri.ToString(),
@@ -48,7 +50,7 @@ namespace Microsoft.AspNetCore.Server.Testing
             };
         }
 
-        private CancellationToken StartIISExpress(Uri uri)
+        private CancellationToken StartIISExpress(Uri uri, string contentRoot)
         {
             if (!string.IsNullOrWhiteSpace(DeploymentParameters.ServerConfigTemplateContent))
             {
@@ -57,7 +59,7 @@ namespace Microsoft.AspNetCore.Server.Testing
 
                 DeploymentParameters.ServerConfigTemplateContent =
                     DeploymentParameters.ServerConfigTemplateContent
-                        .Replace("[ApplicationPhysicalPath]", DeploymentParameters.ApplicationPath)
+                        .Replace("[ApplicationPhysicalPath]", contentRoot)
                         .Replace("[PORT]", uri.Port.ToString());
 
                 DeploymentParameters.ServerConfigLocation = Path.GetTempFileName();
@@ -66,7 +68,7 @@ namespace Microsoft.AspNetCore.Server.Testing
             }
 
             var parameters = string.IsNullOrWhiteSpace(DeploymentParameters.ServerConfigLocation) ?
-                            string.Format("/port:{0} /path:\"{1}\" /trace:error", uri.Port, DeploymentParameters.ApplicationPath) :
+                            string.Format("/port:{0} /path:\"{1}\" /trace:error", uri.Port, contentRoot) :
                             string.Format("/site:{0} /config:{1} /trace:error", DeploymentParameters.SiteName, DeploymentParameters.ServerConfigLocation);
 
             var iisExpressPath = GetIISExpressPath();

src/Microsoft.AspNetCore.Server.Testing/Deployers/NginxDeployer.cs

@@ -56,7 +56,7 @@ namespace Microsoft.AspNetCore.Server.Testing
 
             return new DeploymentResult
             {
-                WebRootLocation = DeploymentParameters.ApplicationPath,
+                ContentRoot = DeploymentParameters.ApplicationPath,
                 DeploymentParameters = DeploymentParameters,
                 ApplicationBaseUri = uri.ToString(),
                 HostShutdownToken = exitToken

src/Microsoft.AspNetCore.Server.Testing/Deployers/SelfHostDeployer.cs

@@ -39,7 +39,7 @@ namespace Microsoft.AspNetCore.Server.Testing
 
             return new DeploymentResult
             {
-                WebRootLocation = DeploymentParameters.ApplicationPath,
+                ContentRoot = DeploymentParameters.PublishApplicationBeforeDeployment ? DeploymentParameters.PublishedApplicationRootPath : DeploymentParameters.ApplicationPath,
                 DeploymentParameters = DeploymentParameters,
                 ApplicationBaseUri = uri.ToString(),
                 HostShutdownToken = hostExitToken