Refactor (#56)

CliFx.Tests/DirectivesSpecs.cs

@@ -1,6 +1,12 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.IO;
+using System.Text;
+using System.Threading;
 using System.Threading.Tasks;
+using CliFx.Tests.Internal;
+using CliWrap;
+using CliWrap.Buffered;
 using FluentAssertions;
 using Xunit;
 
@@ -9,7 +15,31 @@ namespace CliFx.Tests
     public partial class DirectivesSpecs
     {
         [Fact]
-        public async Task Preview_directive_can_be_enabled_to_print_provided_arguments_as_they_were_parsed()
+        public async Task Debug_directive_can_be_specified_to_have_the_application_wait_until_debugger_is_attached()
+        {
+            // We can't actually attach a debugger in tests, so instead just cancel execution after some time
+
+            // Arrange
+            using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(1));
+            var stdOut = new StringBuilder();
+
+            var command = Cli.Wrap("dotnet")
+                .WithArguments(a => a
+                    .Add(Dummy.Program.Location)
+                    .Add("[debug]"))
+                .WithEnvironmentVariables(e => e
+                    .Set("ENV_TARGET", "Mars")) | stdOut;
+
+            // Act
+            await command.ExecuteAsync(cts.Token).Task.IgnoreCancellation();
+            var stdOutData = stdOut.ToString();
+
+            // Assert
+            stdOutData.Should().Contain("Attach debugger to");
+        }
+
+        [Fact]
+        public async Task Preview_directive_can_be_specified_to_print_provided_arguments_as_they_were_parsed()
         {
             // Arrange
             await using var stdOut = new MemoryStream();
@@ -30,7 +60,7 @@ namespace CliFx.Tests
 
             // Assert
             exitCode.Should().Be(0);
-            stdOutData.Should().ContainAll("cmd", "<param>", "[-a]", "[-b]", "[-c]", "[--option foo]");
+            stdOutData.Should().ContainAll("cmd", "<param>", "[-a]", "[-b]", "[-c]", "[--option \"foo\"]");
         }
     }
 }