Ready to test

Phares/Shared/Models/IsEnvironment.cs

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+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+namespace Phares.Shared.Models;
+
+public class IsEnvironment
+{
+
+    public enum Name
+    {
+        LinuxDevelopment,
+        LinuxProduction,
+        LinuxStaging,
+        OSXDevelopment,
+        OSXProduction,
+        OSXStaging,
+        WindowsDevelopment,
+        WindowsProduction,
+        WindowsStaging
+    }
+
+    public bool DebuggerWasAttachedDuringConstructor { get; private set; }
+    public bool Development { get; private set; }
+    public bool Linux { get; private set; }
+    public bool OSX { get; private set; }
+    public bool Production { get; private set; }
+    public bool Staging { get; private set; }
+    public bool Windows { get; private set; }
+    public string Profile { get; private set; }
+    public string AppSettingsFileName { get; private set; }
+    public string? ASPNetCoreEnvironment { get; private set; }
+
+    public IsEnvironment(string testCategory)
+    {
+        if (testCategory.EndsWith(".json"))
+        {
+            Production = testCategory == "appsettings.json";
+            Staging = testCategory.EndsWith(nameof(Staging));
+            OSX = RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
+            Development = testCategory.EndsWith(nameof(Development));
+            Linux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
+            DebuggerWasAttachedDuringConstructor = Debugger.IsAttached;
+            Windows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+            ASPNetCoreEnvironment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
+        }
+        else
+        {
+            DebuggerWasAttachedDuringConstructor = Debugger.IsAttached;
+            OSX = !string.IsNullOrEmpty(testCategory) && testCategory.StartsWith(nameof(OSX));
+            ASPNetCoreEnvironment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
+            Linux = !string.IsNullOrEmpty(testCategory) && testCategory.StartsWith(nameof(Linux));
+            Staging = !string.IsNullOrEmpty(testCategory) && testCategory.EndsWith(nameof(Staging));
+            Windows = !string.IsNullOrEmpty(testCategory) && testCategory.StartsWith(nameof(Windows));
+            Production = !string.IsNullOrEmpty(testCategory) && testCategory.EndsWith(nameof(Production));
+            Development = !string.IsNullOrEmpty(testCategory) && testCategory.EndsWith(nameof(Development));
+        }
+        Profile = GetProfile();
+        AppSettingsFileName = GetAppSettingsFileName(processesCount: null);
+    }
+
+    public IsEnvironment(bool isDevelopment, bool isStaging, bool isProduction)
+    {
+        Staging = isStaging;
+        Production = isProduction;
+        Development = isDevelopment;
+        OSX = RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
+        Linux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
+        DebuggerWasAttachedDuringConstructor = Debugger.IsAttached;
+        Windows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+        ASPNetCoreEnvironment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
+        Profile = GetProfile();
+        AppSettingsFileName = GetAppSettingsFileName(processesCount: null);
+    }
+
+    public IsEnvironment(int? processesCount, bool nullASPNetCoreEnvironmentIsDevelopment, bool nullASPNetCoreEnvironmentIsProduction)
+    {
+        OSX = RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
+        Linux = RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
+        DebuggerWasAttachedDuringConstructor = Debugger.IsAttached;
+        Windows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+        ASPNetCoreEnvironment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
+        if (nullASPNetCoreEnvironmentIsDevelopment && nullASPNetCoreEnvironmentIsProduction)
+            throw new Exception();
+        else if (string.IsNullOrEmpty(ASPNetCoreEnvironment) && nullASPNetCoreEnvironmentIsProduction)
+            Production = true;
+        else if (string.IsNullOrEmpty(ASPNetCoreEnvironment) && nullASPNetCoreEnvironmentIsDevelopment)
+            Development = true;
+        else if (string.IsNullOrEmpty(ASPNetCoreEnvironment) && !nullASPNetCoreEnvironmentIsDevelopment && !nullASPNetCoreEnvironmentIsProduction)
+            throw new Exception();
+        else
+        {
+            Staging = ASPNetCoreEnvironment is not null && ASPNetCoreEnvironment.EndsWith(nameof(Staging));
+            Production = ASPNetCoreEnvironment is not null && ASPNetCoreEnvironment.EndsWith(nameof(Production));
+            Development = ASPNetCoreEnvironment is not null && ASPNetCoreEnvironment.EndsWith(nameof(Development));
+        }
+        Profile = GetProfile();
+        AppSettingsFileName = GetAppSettingsFileName(processesCount);
+    }
+
+    private string GetProfile()
+    {
+        string result;
+        if (Windows && Production)
+            result = nameof(Production);
+        else if (Windows && Staging)
+            result = nameof(Staging);
+        else if (Windows && Development)
+            result = nameof(Development);
+        else if (Linux && Production)
+            result = nameof(Name.LinuxProduction);
+        else if (Linux && Staging)
+            result = nameof(Name.LinuxStaging);
+        else if (Linux && Development)
+            result = nameof(Name.LinuxDevelopment);
+        else if (OSX && Production)
+            result = nameof(Name.OSXProduction);
+        else if (OSX && Staging)
+            result = nameof(Name.OSXStaging);
+        else if (OSX && Development)
+            result = nameof(Name.OSXDevelopment);
+        else
+            throw new Exception();
+        return result;
+    }
+
+    private string GetAppSettingsFileName(int? processesCount)
+    {
+        string result;
+        if (Production)
+        {
+            if (processesCount is null)
+                result = "appsettings.json";
+            else
+                result = $"appsettings.{processesCount}.json";
+        }
+        else
+        {
+            string environment;
+            if (Staging)
+                environment = nameof(Staging);
+            else if (Development)
+                environment = nameof(Development);
+            else
+                throw new Exception();
+            if (processesCount is null)
+                result = $"appsettings.{environment}.json";
+            else
+                result = $"appsettings.{environment}.{processesCount}.json";
+        }
+        return result;
+    }
+
+    public static string GetEnvironmentName(IsEnvironment isEnvironment)
+    {
+        string result;
+        if (isEnvironment.Windows)
+            result = nameof(Windows);
+        else if (isEnvironment.Linux)
+            result = nameof(Linux);
+        else if (isEnvironment.OSX)
+            result = nameof(OSX);
+        else
+            throw new Exception();
+        return result;
+    }
+
+}

Phares/Shared/Models/Stateless/Methods/IMethodName.cs

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+using System.Runtime.CompilerServices;
+
+namespace Phares.Shared.Models.Stateless.Methods;
+
+public interface IMethodName
+{
+
+    static string? GetActualAsyncMethodName([CallerMemberName] string? name = null) => name;
+
+}

Phares/Shared/Models/Stateless/Methods/IWorkingDirectory.cs

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+namespace Phares.Shared.Models.Stateless.Methods;
+
+public interface IWorkingDirectory
+{
+
+    static string GetWorkingDirectory(string? executingAssemblyName, string subDirectoryName) => WorkingDirectory.GetWorkingDirectory(executingAssemblyName, subDirectoryName);
+
+}

Phares/Shared/Models/Stateless/Methods/WorkingDirectory.cs

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+namespace Phares.Shared.Models.Stateless.Methods;
+
+internal abstract class WorkingDirectory
+{
+
+    internal static string GetWorkingDirectory(string? executingAssemblyName, string subDirectoryName)
+    {
+        string result = string.Empty;
+        if (executingAssemblyName is null)
+            throw new Exception();
+        string traceFile;
+        List<string> directories = new();
+        Environment.SpecialFolder[] specialFolders = new Environment.SpecialFolder[]
+        {
+                    Environment.SpecialFolder.LocalApplicationData,
+                    Environment.SpecialFolder.ApplicationData,
+                    Environment.SpecialFolder.History,
+                    Environment.SpecialFolder.CommonApplicationData,
+                    Environment.SpecialFolder.InternetCache
+        };
+        foreach (Environment.SpecialFolder specialFolder in specialFolders)
+            directories.Add(Path.Combine(Environment.GetFolderPath(specialFolder), subDirectoryName, executingAssemblyName));
+        foreach (string directory in directories)
+        {
+            for (int i = 1; i < 3; i++)
+            {
+                if (i == 1)
+                    result = directory;
+                else
+                    result = string.Concat("D", directory[1..]);
+                try
+                {
+                    if (!Directory.Exists(result))
+                        _ = Directory.CreateDirectory(result);
+                    traceFile = string.Concat(result, @"\", DateTime.Now.Ticks, ".txt");
+                    File.WriteAllText(traceFile, traceFile);
+                    File.Delete(traceFile);
+                    break;
+                }
+                catch (Exception) { result = string.Empty; }
+            }
+            if (!string.IsNullOrEmpty(result))
+                break;
+        }
+        if (string.IsNullOrEmpty(result))
+            throw new Exception("Unable to set working directory!");
+        return result;
+    }
+
+}