spectre.console/test/Spectre.Console.Tests/Unit/Live/StatusTests.cs

using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Spectre.Console.Testing;
using Spectre.Verify.Extensions;
using VerifyXunit;
using Xunit;

namespace Spectre.Console.Tests.Unit
{
    [UsesVerify]
    [ExpectationPath("Live/Status")]
    public sealed class StatusTests
    {
        public sealed class DummySpinner1 : Spinner
        {
            public override TimeSpan Interval => TimeSpan.FromMilliseconds(100);
            public override bool IsUnicode => true;
            public override IReadOnlyList<string> Frames => new List<string> { "*", };
        }

        public sealed class DummySpinner2 : Spinner
        {
            public override TimeSpan Interval => TimeSpan.FromMilliseconds(100);
            public override bool IsUnicode => true;
            public override IReadOnlyList<string> Frames => new List<string> { "-", };
        }

        [Fact]
        [Expectation("Render")]
        public Task Should_Render_Status_Correctly()
        {
            // Given
            var console = new TestConsole()
                .Colors(ColorSystem.TrueColor)
                .Width(10)
                .Interactive()
                .EmitAnsiSequences();

            var status = new Status(console)
            {
                AutoRefresh = false,
                Spinner = new DummySpinner1(),
            };

            // When
            status.Start("foo", ctx =>
            {
                ctx.Refresh();
                ctx.Spinner(new DummySpinner2());
                ctx.Status("bar");
                ctx.Refresh();
                ctx.Spinner(new DummySpinner1());
                ctx.Status("baz");
            });

            // Then
            return Verifier.Verify(console.Output);
        }
    }
}