fix argument name (dotnet tool integration test)

Author: Bertk

Directory.Build.props

@@ -13,7 +13,7 @@
     <AnalysisLevel>preview</AnalysisLevel>
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <LangVersion>preview</LangVersion>
-    <NoWarn>$(NoWarn);NU5105</NoWarn>
+    <NoWarn>$(NoWarn);NU5105;CS1591</NoWarn>
     <RestoreSources>
       https://api.nuget.org/v3/index.json;
     </RestoreSources>

src/coverlet.console/Program.cs

@@ -53,12 +53,12 @@ public static async Task<int> Main(string[] args)
             new Option<bool>("--use-source-link", "Specifies whether to use SourceLink URIs in place of file system paths.") { Arity = ArgumentArity.Zero },
             new Option<string[]>("--does-not-return-attribute", "Attributes that mark methods that do not return"){Arity = ArgumentArity.ZeroOrMore},
             new Option<string>("--exclude-assemblies-without-sources", "Specifies behaviour of heuristic to ignore assemblies with missing source documents."){ Arity = ArgumentArity.ZeroOrOne }
-            }.WithHandler(nameof(HandleCommandAsync));
+            }.WithHandler(nameof(HandleCommand));
 
             root.Description = "Cross platform .NET Core code coverage tool";
             return await root.InvokeAsync(args);
         }
-        private static async Task<int> HandleCommandAsync(string moduleOrAppDirectory,
+        private static Task<int> HandleCommand(string path,
                                                                string target,
                                                                string targetargs,
                                                                string output,
@@ -102,6 +102,10 @@ string excludeAssembliesWithoutSources
             // Adjust log level based on user input.
             logger.Level = verbosity;
             int exitCode = (int)CommandExitCodes.Success;
+
+            if (string.IsNullOrEmpty(path) || string.IsNullOrWhiteSpace(path))
+                throw new ArgumentException("No test assembly or application directory specified.");
+
             try
             {
                 CoverageParameters parameters = new()
@@ -121,7 +125,7 @@ string excludeAssembliesWithoutSources
                 };
                 ISourceRootTranslator sourceRootTranslator = serviceProvider.GetRequiredService<ISourceRootTranslator>();
 
-                Coverage coverage = new(moduleOrAppDirectory,
+                Coverage coverage = new(path,
                                                  parameters,
                                                  logger,
                                                  serviceProvider.GetRequiredService<IInstrumentationHelper>(),
@@ -308,20 +312,20 @@ string excludeAssembliesWithoutSources
                     throw new Exception(exceptionMessageBuilder.ToString());
                 }
 
-                return exitCode;
+                return Task.FromResult(exitCode);
 
 
             }
 
             catch (Win32Exception we) when (we.Source == "System.Diagnostics.Process")
             {
                 logger.LogError($"Start process '{target}' failed with '{we.Message}'");
-                return exitCode > 0 ? exitCode : (int)CommandExitCodes.Exception;
+                return Task.FromResult(exitCode > 0 ? exitCode : (int)CommandExitCodes.Exception);
             }
             catch (Exception ex)
             {
                 logger.LogError(ex.Message);
-                return exitCode > 0 ? exitCode : (int)CommandExitCodes.Exception;
+                return Task.FromResult(exitCode > 0 ? exitCode : (int)CommandExitCodes.Exception);
             }
 
         }