TeamCityInOutTests.cs

namespace CSharpInteractive.Tests;

using JetBrains.TeamCity.ServiceMessages.Write.Special;

public class TeamCityInOutTests
{
    private readonly Mock<ITeamCityLineFormatter> _lineFormatter;
    private readonly Mock<ITeamCityWriter> _teamCityWriter;

    public TeamCityInOutTests()
    {
        _lineFormatter = new Mock<ITeamCityLineFormatter>();
        _lineFormatter.Setup(i => i.Format(It.IsAny<Text[]>())).Returns<Text[]>(i => "F_" + i.ToSimpleString());
        _teamCityWriter = new Mock<ITeamCityWriter>();
    }

    [Fact]
    public void ShouldWriteError()
    {
        // Given
        IStdErr output = CreateInstance();

        // When
        output.WriteLine([new Text("err")]);

        // Then
        _teamCityWriter.Verify(i => i.WriteError("F_err", null));
    }

    [Fact]
    public void ShouldWriteMessage()
    {
        // Given
        IStdOut output = CreateInstance();

        // When
        output.WriteLine([new Text("message")]);

        // Then
        _teamCityWriter.Verify(i => i.WriteMessage("F_message"));
    }

    private TeamCityInOut CreateInstance() =>
        new(
            _lineFormatter.Object,
            _teamCityWriter.Object);
}