Orchard/src/Orchard.Tests/FileSystems/VirtualPath/DefaultVirtualPathProviderTests.cs

using Moq;
using NUnit.Framework;
using Orchard.FileSystems.VirtualPath;

namespace Orchard.Tests.FileSystems.VirtualPath {
    [TestFixture]
    public class DefaultVirtualPathProviderTests {
        [Test]
        public void TryFileExistsTest() {
            StubDefaultVirtualPathProvider defaultVirtualPathProvider = new StubDefaultVirtualPathProvider();

            Assert.That(defaultVirtualPathProvider.TryFileExists("~\\a.txt"), Is.True);
            Assert.That(defaultVirtualPathProvider.TryFileExists("~\\..\\a.txt"), Is.False);
            Assert.That(defaultVirtualPathProvider.TryFileExists("~\\a\\..\\a.txt"), Is.True);
            Assert.That(defaultVirtualPathProvider.TryFileExists("~\\a\\b\\..\\a.txt"), Is.True);
            Assert.That(defaultVirtualPathProvider.TryFileExists("~\\a\\b\\..\\..\\a.txt"), Is.True);
            Assert.That(defaultVirtualPathProvider.TryFileExists("~\\a\\b\\..\\..\\..\\a.txt"), Is.False);
            Assert.That(defaultVirtualPathProvider.TryFileExists("~\\a\\..\\..\\b\\c.txt"), Is.False);
        }
    }

    internal class StubDefaultVirtualPathProvider : DefaultVirtualPathProvider {
        public override bool FileExists(string path) {
            return true;
        }
    }
}