mRemoteNG/mRemoteNGTests/Config/DataProviders/FileDataProviderTests.cs

using System;
using System.IO;
using mRemoteNG.Config.DataProviders;
using mRemoteNGTests.TestHelpers;
using NUnit.Framework;

namespace mRemoteNGTests.Config.DataProviders;

public class FileDataProviderTests
{
    private FileDataProvider _dataProvider;
    private string _testFilePath;
    private string _testFileDirectory;

    [SetUp]
    public void Setup()
    {
        _testFilePath = FileTestHelpers.NewTempFilePath();
        _testFileDirectory = Path.GetDirectoryName(_testFilePath);
        _dataProvider = new FileDataProvider(_testFilePath);
    }

    [TearDown]
    public void Teardown()
    {
        if (Directory.Exists(_testFileDirectory))
            Directory.Delete(_testFileDirectory, true);
    }

    [Test]
    public void SetsFileContent()
    {
        Assert.That(File.Exists(_testFilePath), Is.False);
        var expectedFileContent = Guid.NewGuid().ToString();
        _dataProvider.Save(expectedFileContent);
        var fileContent = File.ReadAllText(_testFilePath);
        Assert.That(fileContent, Is.EqualTo(expectedFileContent));
    }

    [Test]
    public void LoadingFileThatDoesntExistProvidesEmptyString()
    {
        var fileThatShouldntExist = Guid.NewGuid().ToString();
        var dataProvider = new FileDataProvider(fileThatShouldntExist);
        var loadedData = dataProvider.Load();
        Assert.That(loadedData, Is.Empty);
    }

    [Test]
    public void SaveCreatesDirectoriesThatDontExist()
    {
        var folder1 = Guid.NewGuid().ToString();
        var folder2 = Guid.NewGuid().ToString();
        var fileThatShouldExist = Path.Combine(_testFileDirectory, folder1, folder2, Path.GetRandomFileName());
        _dataProvider.FilePath = fileThatShouldExist;
        _dataProvider.Save("");
        Assert.That(File.Exists(fileThatShouldExist), Is.True);
    }
}