public void Does_resolve_nested_files_and_folders()
        {
            var pathProvider = GetPathProvider();

            pathProvider.DeleteFiles(pathProvider.GetAllFiles());

            var allFilePaths = new[] {
                "testfile.txt",
                "a/testfile-a1.txt",
                "a/testfile-a2.txt",
                "a/b/testfile-ab1.txt",
                "a/b/testfile-ab2.txt",
                "a/b/c/testfile-abc1.txt",
                "a/b/c/testfile-abc2.txt",
                "a/d/testfile-ad1.txt",
                "e/testfile-e1.txt",
            };

            allFilePaths.Each(x => pathProvider.WriteFile(x, x.SplitOnLast('.').First().SplitOnLast('/').Last()));

            Assert.That(allFilePaths.All(x => pathProvider.IsFile(x)));
            Assert.That(new[] { "a", "a/b", "a/b/c", "a/d", "e" }.All(x => pathProvider.IsDirectory(x)));

            Assert.That(!pathProvider.IsFile("notfound.txt"));
            Assert.That(!pathProvider.IsFile("a/notfound.txt"));
            Assert.That(!pathProvider.IsDirectory("f"));
            Assert.That(!pathProvider.IsDirectory("a/f"));
            Assert.That(!pathProvider.IsDirectory("testfile.txt"));
            Assert.That(!pathProvider.IsDirectory("a/testfile-a1.txt"));

            AssertContents(pathProvider.RootDirectory, new[] {
                    "testfile.txt",
                }, new[] {
                    "a",
                    "e"
                });

            AssertContents(pathProvider.GetDirectory("a"), new[] {
                    "a/testfile-a1.txt",
                    "a/testfile-a2.txt",
                }, new[] {
                    "a/b",
                    "a/d"
                });

            AssertContents(pathProvider.GetDirectory("a/b"), new[] {
                    "a/b/testfile-ab1.txt",
                    "a/b/testfile-ab2.txt",
                }, new[] {
                    "a/b/c"
                });

            AssertContents(pathProvider.GetDirectory("a").GetDirectory("b"), new[] {
                    "a/b/testfile-ab1.txt",
                    "a/b/testfile-ab2.txt",
                }, new[] {
                    "a/b/c"
                });

            AssertContents(pathProvider.GetDirectory("a/b/c"), new[] {
                    "a/b/c/testfile-abc1.txt",
                    "a/b/c/testfile-abc2.txt",
                }, new string[0]);

            AssertContents(pathProvider.GetDirectory("a/d"), new[] {
                    "a/d/testfile-ad1.txt",
                }, new string[0]);

            AssertContents(pathProvider.GetDirectory("e"), new[] {
                    "e/testfile-e1.txt",
                }, new string[0]);

            Assert.That(pathProvider.GetFile("a/b/c/testfile-abc1.txt").ReadAllText(), Is.EqualTo("testfile-abc1"));
            Assert.That(pathProvider.GetDirectory("a").GetFile("b/c/testfile-abc1.txt").ReadAllText(), Is.EqualTo("testfile-abc1"));
            Assert.That(pathProvider.GetDirectory("a/b").GetFile("c/testfile-abc1.txt").ReadAllText(), Is.EqualTo("testfile-abc1"));
            Assert.That(pathProvider.GetDirectory("a").GetDirectory("b").GetDirectory("c").GetFile("testfile-abc1.txt").ReadAllText(), Is.EqualTo("testfile-abc1"));

            var dirs = pathProvider.RootDirectory.Directories.Map(x => x.VirtualPath);
            Assert.That(dirs, Is.EquivalentTo(new[] { "a", "e" }));

            var rootDirFiles = pathProvider.RootDirectory.GetAllMatchingFiles("*", 1).Map(x => x.VirtualPath);
            Assert.That(rootDirFiles, Is.EquivalentTo(new[] { "testfile.txt" }));

            var allFiles = pathProvider.GetAllMatchingFiles("*").Map(x => x.VirtualPath);
            Assert.That(allFiles, Is.EquivalentTo(allFilePaths));

            allFiles = pathProvider.GetAllFiles().Map(x => x.VirtualPath);
            Assert.That(allFiles, Is.EquivalentTo(allFilePaths));

            pathProvider.DeleteFile("testfile.txt");
            pathProvider.DeleteFolder("a");
            pathProvider.DeleteFolder("e");

            Assert.That(pathProvider.GetAllFiles().ToList().Count, Is.EqualTo(0));
        }
        public void Can_view_files_in_Directory()
        {
            var pathProvider = GetPathProvider();

            var testdirFileNames = new[]
            {
                "testdir/a.txt",
                "testdir/b.txt",
                "testdir/c.txt",
            };

            testdirFileNames.Each(x => pathProvider.WriteFile(x, "textfile"));

            var testdir = pathProvider.GetDirectory("testdir");
            var filePaths = testdir.Files.Map(x => x.VirtualPath);

            Assert.That(filePaths, Is.EquivalentTo(testdirFileNames));

            var fileNames = testdir.Files.Map(x => x.Name);
            Assert.That(fileNames, Is.EquivalentTo(testdirFileNames.Map(x =>
                x.SplitOnLast('/').Last())));

            pathProvider.DeleteFolder("testdir");
        }