DodoSSH/tests/DodoSSH.Client.App.Layout.Tests/WholeWindow.cs

using Avalonia.Controls;
using Avalonia.Threading;
using DodoSSH.Client.App.Views;
using DodoSSH.Client.Session;
using DodoSSH.Client.Shell.ViewModels;
using DodoSSH.Client.Ssh;
using DodoSSH.Client.Storage;
using DodoSSH.Client.Terminal;
using DodoSSH.Client.Transfer;
using DodoSSH.Crypto;
using NSubstitute;

namespace DodoSSH.Client.App.Layout.Tests;

/// <summary>
/// The real main window over a real shell, for the tests that are about where the keyboard goes.
/// </summary>
/// <remarks>
/// <see cref="LayoutHarnessTests.WhyTheWindowItselfIsNeverShown"/> says this window cannot be shown here: the
/// terminal's WebView refuses this thread's apartment when it is attached. It is taken out of the tree before
/// the window is shown, which is everything that test is about and nothing these are.
/// </remarks>
internal static class WholeWindow
{
    internal const string Passphrase = "a sufficiently long passphrase";

    internal static readonly Argon2Profile CheapProfile =
        Argon2Profile.FromStoredParameters(memoryKibibytes: 8 * 1024, passes: 1, parallelism: 1);

    internal static TerminalWorkspace Workspace() =>
        new(
            new InMemoryTerminalAssetProvider(new Dictionary<string, TerminalAsset>(StringComparer.Ordinal)),
            Substitute.For<ISshConnectionFactory>(),
            TimeProvider.System);

    internal static MainWindowViewModel Shell(ClientCacheFactory caches, TerminalWorkspace workspace) =>
        new(
            new ClientPaths(Path.Combine(Path.GetTempPath(), $"dodossh-focus-{Guid.CreateVersion7():N}")),
            caches,
            workspace,
            new VaultKnownHostStore(),
            new UnavailableDeviceKeyStore(),
            static (_, _) => throw new InvalidOperationException("A layout test has no network."),
            TimeProvider.System,
            Substitute.For<ISftpSessionFactory>(),
            CheapProfile);

    internal static void Show(MainWindowViewModel shell, Action<MainWindow> assert)
    {
        var window = new MainWindow { DataContext = shell };

        if (window.FindControl<NativeWebView>("Terminal") is { Parent: Panel panel } web)
        {
            panel.Children.Remove(web);
        }

        try
        {
            LayoutHarness.Settle(window, LayoutHarness.MinimumWidth, LayoutHarness.MinimumHeight);
            Dispatcher.UIThread.RunJobs();

            assert(window);
        }
        finally
        {
            window.Close();
        }
    }
}