Gigas002/GTiff2Tiles

#pragma warning disable CS0219 // The variable is assigned but it's value is never used

using GTiff2Tiles.Core.Helpers;
using GTiff2Tiles.Core.Images;
using GTiff2Tiles.Tests.Constants;
using NetVips;
using NUnit.Framework;

// ReSharper disable UnusedVariable

namespace GTiff2Tiles.Tests.Tests.Images;

[TestFixture]
public sealed class BandTests
{
    #region SetUp and consts

    private readonly string _in4326 = FileSystemEntries.Input4326FilePath;

    [SetUp]
    public void SetUp() => NetVipsHelper.DisableLog();

    #endregion

    #region Constructors

    [Test]
    public void CreateBandDefault() => Assert.DoesNotThrow(() =>
    {
        Band band = new();
    });

    [Test]
    public void CreateBandWithValue() => Assert.DoesNotThrow(() =>
    {
        Band band = new(128);
    });

    [Test]
    [Combinatorial]
    public void CreateBandBad([Values(-1, 256)] int value) => Assert.Throws<ArgumentOutOfRangeException>(() =>
    {
        Band band = new(value);
    });

    #endregion

    #region Properties

    [Test]
    public void GetProperties() => Assert.DoesNotThrow(() =>
    {
        Band band = new();
        int val = band.Value;
        int def = Band.DefaultValue;
    });

    #endregion

    #region Methods

    #region AddBands

    [Test]
    public void AddBandsNormal()
    {
        Image image = Image.NewFromFile(_in4326, true);
        IEnumerable<Band> bands = new[] { new Band() };

        int countOfBands = image.Bands;
        Assert.DoesNotThrow(() => Band.AddBands(ref image, bands));
        Assert.That(image.Bands, Is.GreaterThan(countOfBands));

        image.Dispose();
    }

    [Test]
    public void AddBandsNullImage()
    {
        Image image = null;
        IEnumerable<Band> bands = new[] { new Band() };

        Assert.Throws<ArgumentNullException>(() => Band.AddBands(ref image, bands));
    }

    [Test]
    public void AddBandsNullBands()
    {
        Image image = Image.NewFromFile(_in4326, true);

        Assert.Throws<ArgumentNullException>(() => Band.AddBands(ref image, null));

        image.Dispose();
    }

    #endregion

    #region AddDefaultBands

    [Test]
    [Combinatorial]
    public void AddDefaultBandsBadValuesDoesntThrow([Values(-1, 0, 1, 2, 3)] int bandsCount)
    {
        Image image = Image.NewFromFile(_in4326, true);

        int countOfBands = image.Bands;
        Assert.DoesNotThrow(() => Band.AddDefaultBands(ref image, bandsCount));
        Assert.That(image.Bands, Is.EqualTo(countOfBands));

        image.Dispose();
    }

    [Test]
    [Combinatorial]
    public void AddDefaultBandsBadValuesNormal([Values(4, 5)] int bandsCount)
    {
        Image image = Image.NewFromFile(_in4326, true);

        int countOfBands = image.Bands;
        Assert.DoesNotThrow(() => Band.AddDefaultBands(ref image, bandsCount));
        Assert.That(image.Bands, Is.GreaterThan(countOfBands));

        image.Dispose();
    }

    [Test]
    public void AddDefaultBandsNullImage()
    {
        Image image = null;
        const int bandsCount = 4;

        Assert.Throws<ArgumentNullException>(() => Band.AddDefaultBands(ref image, bandsCount));
    }

    #endregion

    #endregion
}

#pragma warning restore CS0219 // The variable is assigned but it's value is never used