From 01f707c78dca7e5b7f4cb7a623851a61b6053032 Mon Sep 17 00:00:00 2001
From: Phil Scott <phil.scott@gmail.com>
Date: Fri, 23 Apr 2021 09:48:19 -0400
Subject: [PATCH] Exposes Pretty property of CommandAppException

If a user is propagating the exceptions we aren't going to automatically display them. They might still want to get this exception message and use it, so we'll make it publicly available.
---
 src/Spectre.Console.Testing/Cli/CommandAppTester.cs | 9 +++++++++
 src/Spectre.Console/Cli/CommandAppException.cs      | 5 ++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Spectre.Console.Testing/Cli/CommandAppTester.cs b/src/Spectre.Console.Testing/Cli/CommandAppTester.cs
index 00d5080..4ad0276 100644
--- a/src/Spectre.Console.Testing/Cli/CommandAppTester.cs
+++ b/src/Spectre.Console.Testing/Cli/CommandAppTester.cs
@@ -53,6 +53,15 @@ namespace Spectre.Console.Testing
             }
             catch (T ex)
             {
+                if (ex is CommandAppException commandAppException && commandAppException.Pretty != null)
+                {
+                    console.Write(commandAppException.Pretty);
+                }
+                else
+                {
+                    console.WriteLine(ex.Message);
+                }
+
                 return new CommandAppFailure(ex, console.Output);
             }
             catch (Exception ex)
diff --git a/src/Spectre.Console/Cli/CommandAppException.cs b/src/Spectre.Console/Cli/CommandAppException.cs
index a1fd8df..7d0ef6f 100644
--- a/src/Spectre.Console/Cli/CommandAppException.cs
+++ b/src/Spectre.Console/Cli/CommandAppException.cs
@@ -8,7 +8,10 @@ namespace Spectre.Console.Cli
     /// </summary>
     public abstract class CommandAppException : Exception
     {
-        internal IRenderable? Pretty { get; }
+        /// <summary>
+        /// Gets the pretty formatted exception message.
+        /// </summary>
+        public IRenderable? Pretty { get; }
 
         internal virtual bool AlwaysPropagateWhenDebugging => false;