lmxopcua/tests/ZB.MOM.WW.LmxOpcUa.Client.CLI.Tests/TestConsoleHelper.cs

using CliFx.Infrastructure;

namespace ZB.MOM.WW.LmxOpcUa.Client.CLI.Tests;

/// <summary>
/// Helper for creating CliFx <see cref="FakeInMemoryConsole"/> instances and reading their output.
/// </summary>
public static class TestConsoleHelper
{
    /// <summary>
    /// Creates a new <see cref="FakeInMemoryConsole"/> for testing.
    /// </summary>
    public static FakeInMemoryConsole CreateConsole()
    {
        return new FakeInMemoryConsole();
    }

    /// <summary>
    /// Reads all text written to the console's standard output.
    /// </summary>
    public static string GetOutput(FakeInMemoryConsole console)
    {
        console.Output.Flush();
        return console.ReadOutputString();
    }

    /// <summary>
    /// Reads all text written to the console's standard error.
    /// </summary>
    public static string GetError(FakeInMemoryConsole console)
    {
        console.Error.Flush();
        return console.ReadErrorString();
    }
}