[DotnetTrace][Tests] Add functional tests validating Collect output

src/Tools/Common/Commands/Utils.cs

@@ -5,6 +5,7 @@
 using System.Diagnostics;
 using System.Collections.Generic;
 using Microsoft.Diagnostics.NETCore.Client;
+using Microsoft.Diagnostics.Tools.Common;
 
 namespace Microsoft.Internal.Common.Utils
 {
@@ -147,7 +148,12 @@ internal sealed class LineRewriter
     {
         public int LineToClear { get; set; }
 
-        public LineRewriter() { }
+        private IConsole Console { get; }
+
+        public LineRewriter(IConsole console)
+        {
+            Console = console;
+        }
 
         // ANSI escape codes:
         //  [2K => clear current line

src/Tools/dotnet-counters/Exporters/DefaultConsole.cs → src/Tools/Common/DefaultConsole.cs

@@ -2,8 +2,10 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.IO;
+using Microsoft.Diagnostics.Tools.Common;
 
-namespace Microsoft.Diagnostics.Tools.Counters.Exporters
+namespace Microsoft.Diagnostics.Tools.Common
 {
     /// <summary>
     /// The default implementation of IConsole maps everything to System.Console. In the future
@@ -27,10 +29,24 @@ public DefaultConsole(bool useAnsi)
         public bool CursorVisible { get => Console.CursorVisible; set { Console.CursorVisible = value; } }
 #pragma warning restore CA1416
 
+        public int CursorLeft => Console.CursorLeft;
+
         public int CursorTop => Console.CursorTop;
 
         public int BufferWidth => Console.BufferWidth;
 
+        public int BufferHeight => Console.BufferHeight;
+
+        public bool IsOutputRedirected => Console.IsOutputRedirected;
+
+        public bool IsInputRedirected => Console.IsInputRedirected;
+
+        public bool KeyAvailable => Console.KeyAvailable;
+
+        public TextWriter Out => Console.Out;
+
+        public TextWriter Error => Console.Error;
+
         public void Clear()
         {
             if (_useAnsi)
@@ -57,5 +73,7 @@ public void SetCursorPosition(int col, int row)
         public void Write(string text) => Console.Write(text);
         public void WriteLine(string text) => Console.WriteLine(text);
         public void WriteLine() => Console.WriteLine();
+        public ConsoleKeyInfo ReadKey() => Console.ReadKey();
+        public ConsoleKeyInfo ReadKey(bool intercept) => Console.ReadKey(intercept);
     }
 }

src/Tools/Common/IConsole.cs

@@ -0,0 +1,36 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.IO;
+
+namespace Microsoft.Diagnostics.Tools.Common
+{
+    /// <summary>
+    /// Abstraction over console operations so tools can render to custom consoles in tests.
+    /// Mirrors the APIs dotnet-counters and dotnet-trace need for their renderers.
+    /// </summary>
+    internal interface IConsole
+    {
+        int WindowHeight { get; }
+        int WindowWidth { get; }
+        bool CursorVisible { get; set; }
+        int CursorLeft { get; }
+        int CursorTop { get; }
+        int BufferWidth { get; }
+        int BufferHeight { get; }
+        bool IsOutputRedirected { get; }
+        bool IsInputRedirected { get; }
+        bool KeyAvailable { get; }
+        TextWriter Out { get; }
+        TextWriter Error { get; }
+
+        void Clear();
+        void SetCursorPosition(int col, int row);
+        void Write(string text);
+        void WriteLine();
+        void WriteLine(string text);
+        ConsoleKeyInfo ReadKey();
+        ConsoleKeyInfo ReadKey(bool intercept);
+    }
+}

src/Tools/dotnet-counters/CounterMonitor.cs

@@ -14,6 +14,7 @@
 using Microsoft.Diagnostics.Monitoring;
 using Microsoft.Diagnostics.Monitoring.EventPipe;
 using Microsoft.Diagnostics.NETCore.Client;
+using Microsoft.Diagnostics.Tools.Common;
 using Microsoft.Diagnostics.Tools.Counters.Exporters;
 using Microsoft.Internal.Common.Utils;
 

src/Tools/dotnet-counters/Exporters/ConsoleWriter.cs

@@ -6,6 +6,7 @@
 using System.Globalization;
 using System.Linq;
 using Microsoft.Diagnostics.Monitoring.EventPipe;
+using Microsoft.Diagnostics.Tools.Common;
 
 namespace Microsoft.Diagnostics.Tools.Counters.Exporters
 {

src/Tools/dotnet-counters/dotnet-counters.csproj

@@ -22,7 +22,9 @@
     <Compile Include="..\Common\WindowsProcessExtension\WindowsProcessExtension.cs" Link="WindowsProcessExtension.cs" />
     <Compile Include="..\Common\CommandLineErrorException.cs" Link="CommandLineErrorException.cs" />
     <Compile Include="..\Common\DsRouterProcessLauncher.cs" Link="DsRouterProcessLauncher.cs" />
- </ItemGroup>
+    <Compile Include="..\Common\IConsole.cs" Link="IConsole.cs" />
+    <Compile Include="..\Common\DefaultConsole.cs" Link="DefaultConsole.cs" />
+  </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="$(MSBuildThisFileDirectory)..\..\Microsoft.Diagnostics.NETCore.Client\Microsoft.Diagnostics.NETCore.Client.csproj" />

src/Tools/dotnet-dump/dotnet-dump.csproj

@@ -22,7 +22,8 @@
     <Compile Include="$(MSBuildThisFileDirectory)..\Common\Commands\Utils.cs" Link="Utils.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)..\Common\ProcessNativeMethods\ProcessNativeMethods.cs" Link="ProcessNativeMethods.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)..\Common\WindowsProcessExtension\WindowsProcessExtension.cs" Link="WindowsProcessExtension.cs" />
-    <Compile Include="..\Common\DsRouterProcessLauncher.cs" Link="DsRouterProcessLauncher.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)..\Common\DsRouterProcessLauncher.cs" Link="DsRouterProcessLauncher.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)..\Common\IConsole.cs" Link="IConsole.cs" />
   </ItemGroup>
 
   <ItemGroup>

src/Tools/dotnet-gcdump/dotnet-gcdump.csproj

@@ -27,6 +27,7 @@
     <Compile Include="..\Common\ProcessNativeMethods\ProcessNativeMethods.cs" Link="ProcessNativeMethods.cs" />
     <Compile Include="..\Common\WindowsProcessExtension\WindowsProcessExtension.cs" Link="WindowsProcessExtension.cs" />
     <Compile Include="..\Common\DsRouterProcessLauncher.cs" Link="DsRouterProcessLauncher.cs" />
+    <Compile Include="..\Common\IConsole.cs" Link="IConsole.cs" />
  </ItemGroup>
 
 </Project>

src/Tools/dotnet-stack/dotnet-stack.csproj

@@ -26,6 +26,7 @@
     <Compile Include="..\Common\ProcessNativeMethods\ProcessNativeMethods.cs" Link="ProcessNativeMethods.cs" />
     <Compile Include="..\Common\WindowsProcessExtension\WindowsProcessExtension.cs" Link="WindowsProcessExtension.cs" />
     <Compile Include="..\Common\DsRouterProcessLauncher.cs" Link="DsRouterProcessLauncher.cs" />
+    <Compile Include="..\Common\IConsole.cs" Link="IConsole.cs" />
  </ItemGroup>
 
   <ItemGroup>