recyclarr/src/Trash.Tests/Sonarr/ReleaseProfile/ScopedStateTest.cs

using FluentAssertions;
using NUnit.Framework;
using Trash.Sonarr.ReleaseProfile;

namespace Trash.Tests.Sonarr.ReleaseProfile
{
    [TestFixture]
    [Parallelizable(ParallelScope.All)]
    public class ScopedStateTest
    {
        [Test]
        public void AccessValue_MultipleScopes_ScopeValuesReturned()
        {
            var state = new ScopedState<int>(50);
            state.PushValue(100, 0);
            state.PushValue(150, 1);

            state.StackSize.Should().Be(2);
            state.ActiveScope.Should().Be(1);
            state.Value.Should().Be(150);

            state.Reset(1).Should().BeTrue();

            state.StackSize.Should().Be(1);
            state.ActiveScope.Should().Be(0);
            state.Value.Should().Be(100);

            state.Reset(0).Should().BeTrue();

            state.StackSize.Should().Be(0);
            state.ActiveScope.Should().BeNull();
            state.Value.Should().Be(50);
        }

        [Test]
        public void AccessValue_NextBlockScope_ReturnValueUntilSecondSession()
        {
            var state = new ScopedState<int>(50);
            state.PushValue(100, 0);

            state.ActiveScope.Should().Be(0);
            state.Value.Should().Be(100);

            state.Reset(0).Should().BeTrue();

            state.ActiveScope.Should().BeNull();
            state.Value.Should().Be(50);
        }

        [Test]
        public void AccessValue_NoScope_ReturnDefaultValue()
        {
            var state = new ScopedState<int>(50);
            state.ActiveScope.Should().BeNull();
            state.Value.Should().Be(50);
        }

        [Test]
        public void AccessValue_ResetAfterScope_ReturnDefault()
        {
            var state = new ScopedState<int>(50);
            state.PushValue(100, 1);

            state.Reset(1).Should().BeTrue();

            state.ActiveScope.Should().BeNull();
            state.Value.Should().Be(50);
        }

        [Test]
        public void AccessValue_WholeSectionScope_ReturnValueAcrossMultipleResets()
        {
            var state = new ScopedState<int>(50);
            state.PushValue(100, 1);

            state.ActiveScope.Should().Be(1);
            state.Value.Should().Be(100);

            state.Reset(2).Should().BeFalse();

            state.ActiveScope.Should().Be(1);
            state.Value.Should().Be(100);
        }

        [Test]
        public void Reset_UsingGreatestScopeWithTwoScopes_ShouldRemoveAllScope()
        {
            var state = new ScopedState<int>(50);
            state.PushValue(100, 1);
            state.PushValue(150, 0);
            state.Reset(1).Should().BeTrue();

            state.ActiveScope.Should().BeNull();
            state.Value.Should().Be(50);
        }

        [Test]
        public void Reset_UsingLesserScopeWithTwoScopes_ShouldRemoveTopScope()
        {
            var state = new ScopedState<int>(50);
            state.PushValue(100, 0);
            state.PushValue(150, 1);
            state.Reset(1).Should().BeTrue();

            state.ActiveScope.Should().Be(0);
            state.Value.Should().Be(100);
        }

        [Test]
        public void Reset_WithLesserScope_ShouldDoNothing()
        {
            var state = new ScopedState<int>(50);
            state.PushValue(100, 1);
            state.Reset(2).Should().BeFalse();

            state.ActiveScope.Should().Be(1);
            state.Value.Should().Be(100);
        }

        [Test]
        public void Reset_WithScope_ShouldReset()
        {
            var state = new ScopedState<int>(50);
            state.PushValue(100, 1);
            state.Reset(1).Should().BeTrue();

            state.ActiveScope.Should().BeNull();
            state.Value.Should().Be(50);
        }
    }
}