Update launch settings for ApplicationUrl handling

TestAssets/TestProjects/AppWithApplicationUrlInLaunchSettings/AppWithApplicationUrlInLaunchSettings.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), testAsset.props))\testAsset.props" />
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+  </PropertyGroup>
+</Project>

TestAssets/TestProjects/AppWithApplicationUrlInLaunchSettings/Program.cs

@@ -0,0 +1,16 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using System;
+
+namespace MSBuildTestApp
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            var message = Environment.GetEnvironmentVariable("ASPNETCORE_URLS");
+            Console.WriteLine(message);
+        }
+    }
+}

TestAssets/TestProjects/AppWithApplicationUrlInLaunchSettings/Properties/launchSettings.json

@@ -0,0 +1,27 @@
+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:49850/",
+      "sslPort": 0
+    }
+  },
+  "profiles": {
+    "First": {
+      "commandName": "Project",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "ASPNETCORE_URLS": "http://localhost:12345/"
+      },
+      "applicationUrl": "http://localhost:67890/"
+    },
+    "Second": {
+      "commandName": "Project",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "applicationUrl": "http://localhost:54321/"
+    }
+  }
+}

src/dotnet/commands/dotnet-run/LaunchSettings/ProjectLaunchSettingsProvider.cs

@@ -15,6 +15,11 @@ public LaunchSettingsApplyResult TryApplySettings(JObject document, JObject mode
         {
             var config = model.ToObject<ProjectLaunchSettingsModel>();
 
+            if (!string.IsNullOrEmpty(config.ApplicationUrl))
+            {
+                command.EnvironmentVariable("ASPNETCORE_URLS", config.ApplicationUrl);
+            }
+
             //For now, ignore everything but the environment variables section
 
             foreach (var entry in config.EnvironmentVariables)
@@ -24,11 +29,6 @@ public LaunchSettingsApplyResult TryApplySettings(JObject document, JObject mode
                 command.EnvironmentVariable(entry.Key, value);
             }
 
-            if (!string.IsNullOrEmpty(config.ApplicationUrl))
-            {
-                command.EnvironmentVariable("ASPNETCORE_URLS", config.ApplicationUrl);
-            }
-
             return new LaunchSettingsApplyResult(true, null, config.LaunchUrl);
         }
 

test/dotnet-run.Tests/GivenDotnetRunRunsCsProj.cs

@@ -364,6 +364,66 @@ public void ItDefaultsToTheFirstUsableLaunchProfile()
             cmd.StdErr.Should().BeEmpty();
         }
 
+        [Fact]
+        public void ItPrefersTheValueOfAppUrlFromEnvVarOverTheProp()
+        {
+            var testAppName = "AppWithApplicationUrlInLaunchSettings";
+            var testInstance = TestAssets.Get(testAppName)
+                            .CreateInstance()
+                            .WithSourceFiles();
+
+            var testProjectDirectory = testInstance.Root.FullName;
+
+            new RestoreCommand()
+                .WithWorkingDirectory(testProjectDirectory)
+                .Execute("/p:SkipInvalidConfigurations=true")
+                .Should().Pass();
+
+            new BuildCommand()
+                .WithWorkingDirectory(testProjectDirectory)
+                .Execute()
+                .Should().Pass();
+
+            var cmd = new RunCommand()
+                .WithWorkingDirectory(testProjectDirectory)
+                .ExecuteWithCapturedOutput("--launch-profile First");
+
+            cmd.Should().Pass()
+                .And.HaveStdOutContaining("http://localhost:12345/");
+
+            cmd.StdErr.Should().BeEmpty();
+        }
+
+        [Fact]
+        public void ItUsesTheValueOfAppUrlIfTheEnvVarIsNotSet()
+        {
+            var testAppName = "AppWithApplicationUrlInLaunchSettings";
+            var testInstance = TestAssets.Get(testAppName)
+                            .CreateInstance()
+                            .WithSourceFiles();
+
+            var testProjectDirectory = testInstance.Root.FullName;
+
+            new RestoreCommand()
+                .WithWorkingDirectory(testProjectDirectory)
+                .Execute("/p:SkipInvalidConfigurations=true")
+                .Should().Pass();
+
+            new BuildCommand()
+                .WithWorkingDirectory(testProjectDirectory)
+                .Execute()
+                .Should().Pass();
+
+            var cmd = new RunCommand()
+                .WithWorkingDirectory(testProjectDirectory)
+                .ExecuteWithCapturedOutput("--launch-profile Second");
+
+            cmd.Should().Pass()
+                .And.HaveStdOutContaining("http://localhost:54321/");
+
+            cmd.StdErr.Should().BeEmpty();
+        }
+
         [Fact]
         public void ItGivesAnErrorWhenTheLaunchProfileNotFound()
         {