card_game/tests/Game.Core.Tests/PhaseCTests.cs

using CardGame.Core;
using Xunit;

namespace Game.Core.Tests;

public sealed class PhaseCTests
{
    [Fact]
    public void Lantern_supplies_on_turn_start()
    {
        var state = MatchSetup.Create(
            9,
            Cards.Repeat(Cards.Lantern, 10),
            Cards.Repeat(Cards.Wisp, 10),
            Cards.Catalog,
            shuffle: false);
        var lantern = state.Players[0].Hand[0];
        Assert.Equal(1, state.Players[0].Energy);
        state = RulesEngine.Execute(state, new PlayCardAction(0, lantern.Id));
        Assert.Equal(0, state.Players[0].Energy);
        state = RulesEngine.Execute(state, new EndTurnAction(0));
        state = RulesEngine.Execute(state, new EndTurnAction(1));
        // base field +1, lantern +1
        Assert.Equal(2, state.Players[0].Energy);
    }

    [Fact]
    public void Fuse_expires_and_damages()
    {
        var state = MatchSetup.Create(
            4,
            Cards.Repeat(Cards.Fuse, 10),
            Cards.Repeat(Cards.Wisp, 10),
            Cards.Catalog,
            shuffle: false);
        var fuse = state.Players[0].Hand[0];
        state = RulesEngine.Execute(state, new PlayCardAction(0, fuse.Id));
        state = RulesEngine.Execute(state, new EndTurnAction(0));
        Assert.DoesNotContain(state.Board, e => e.Definition.Id == Cards.Fuse.Id);
        Assert.Equal(18, state.Players[1].Life);
    }
}