private void When_using_parent_references_it_must_succeed()
{
// Arrange
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
IFileInfo info = fileSystem.ConstructFileInfo(@"C:\docs\..\games");
// Assert
info.FullName.Should().Be(@"C:\games");
}
private void When_directory_has_invalid_name_it_must_fail()
{
// Arrange
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
Action action = () => fileSystem.ConstructFileInfo(@"c:\games\try?me");
// Assert
action.ShouldThrow <ArgumentException>().WithMessage(@"Illegal characters in path.*");
}
private void When_network_share_has_invalid_name_it_must_fail()
{
// Arrange
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
Action action = () => fileSystem.ConstructFileInfo(@"\\team*server");
// Assert
action.ShouldThrow <ArgumentException>().WithMessage(@"The UNC path should be of the form \\server\share.*");
}
private void When_constructing_file_info_for_existing_relative_local_file_it_must_succeed()
{
// Arrange
const string path = @"c:\some\file.txt";
DateTime creationTimeUtc = 17.March(2006).At(14, 03, 53).AsUtc();
var clock = new SystemClock {
UtcNow = () => creationTimeUtc
};
IFileSystem fileSystem = new FakeFileSystemBuilder(clock)
.IncludingEmptyFile(path)
.Build();
DateTime lastWriteTimeUtc = 18.March(2006).At(14, 03, 53).AsUtc();
clock.UtcNow = () => lastWriteTimeUtc;
fileSystem.File.WriteAllText(path, DefaultContents);
DateTime lastAccessTimeUtc = 19.March(2006).At(14, 03, 53).AsUtc();
clock.UtcNow = () => lastAccessTimeUtc;
fileSystem.File.ReadAllText(path);
fileSystem.Directory.SetCurrentDirectory(@"C:\some");
// Act
IFileInfo fileInfo = fileSystem.ConstructFileInfo(@"file.txt");
// Assert
fileInfo.Name.Should().Be("file.txt");
fileInfo.Extension.Should().Be(".txt");
fileInfo.FullName.Should().Be(@"C:\some\file.txt");
fileInfo.DirectoryName.Should().Be(@"C:\some");
fileInfo.Exists.Should().BeTrue();
fileInfo.Length.Should().Be(DefaultContents.Length);
fileInfo.IsReadOnly.Should().BeFalse();
fileInfo.Attributes.Should().Be(FileAttributes.Archive);
fileInfo.CreationTime.Should().Be(creationTimeUtc.ToLocalTime());
fileInfo.CreationTimeUtc.Should().Be(creationTimeUtc);
fileInfo.LastAccessTime.Should().Be(lastAccessTimeUtc.ToLocalTime());
fileInfo.LastAccessTimeUtc.Should().Be(lastAccessTimeUtc);
fileInfo.LastWriteTime.Should().Be(lastWriteTimeUtc.ToLocalTime());
fileInfo.LastWriteTimeUtc.Should().Be(lastWriteTimeUtc);
IDirectoryInfo directoryInfo = fileInfo.Directory.ShouldNotBeNull();
directoryInfo.FullName.Should().Be(@"C:\some");
}
private void When_constructing_file_info_for_null_it_must_fail()
{
// Arrange
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
// ReSharper disable once AssignNullToNotNullAttribute
Action action = () => fileSystem.ConstructFileInfo(null);
// Assert
action.ShouldThrow <ArgumentNullException>();
}
private void When_creating_drive_letter_it_must_succeed()
{
// Arrange
const string path = @"E:\";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
IFileInfo info = fileSystem.ConstructFileInfo(path);
// Assert
info.FullName.Should().Be(path);
}
private void When_creating_extended_path_starting_with_network_share_it_must_succeed()
{
// Arrange
const string path = @"\\?\UNC\teamserver\management\reports";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
IFileInfo info = fileSystem.ConstructFileInfo(path);
// Assert
info.FullName.Should().Be(path);
}
private void When_using_trailing_thin_space_it_must_preserve()
{
// Arrange
const char thinSpace = (char)0x2009;
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
IFileInfo info = fileSystem.ConstructFileInfo(@"c:\some\a" + thinSpace);
// Assert
info.FullName.Should().Be(@"c:\some\a" + thinSpace);
}
private void When_creating_extended_path_starting_with_drive_letter_it_must_succeed()
{
// Arrange
const string path = @"\\?\E:\Documents";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
IFileInfo info = fileSystem.ConstructFileInfo(path);
// Assert
info.FullName.Should().Be(path);
}
private void When_creating_network_share_with_IPv4_address_it_must_succeed()
{
// Arrange
const string path = @"\\192.168.0.1\management";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
IFileInfo info = fileSystem.ConstructFileInfo(path);
// Assert
info.FullName.Should().Be(path);
}
private void When_deleting_file_it_must_succeed()
{
// Arrange
const string path = @"c:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingEmptyFile(path)
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
// Act
fileInfo.Delete();
// Assert
fileSystem.File.Exists(path).Should().BeFalse();
}
private void When_encrypting_file_it_must_succeed()
{
// Arrange
const string path = @"c:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingEmptyFile(path)
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
// Act
fileInfo.Encrypt();
// Assert
fileInfo.Attributes.Should().HaveFlag(FileAttributes.Encrypted);
fileSystem.File.GetAttributes(path).Should().HaveFlag(FileAttributes.Encrypted);
}
private void When_setting_file_to_non_readonly_it_must_succeed()
{
// Arrange
const string path = @"c:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingEmptyFile(path, FileAttributes.Hidden | FileAttributes.ReadOnly)
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
// Act
fileInfo.IsReadOnly = false;
// Assert
fileInfo.IsReadOnly.Should().Be(false);
fileInfo.Attributes.Should().Be(FileAttributes.Hidden);
}
private void When_getting_file_attributes_it_must_lazy_load()
{
// Arrange
const string path = @"c:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingEmptyFile(path, FileAttributes.Hidden)
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
fileSystem.File.SetAttributes(path, FileAttributes.ReadOnly);
// Act
FileAttributes attributes = fileInfo.Attributes;
// Assert
attributes.Should().Be(FileAttributes.ReadOnly);
}
private void When_getting_file_readonly_state_it_must_lazy_load()
{
// Arrange
const string path = @"c:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingEmptyFile(path)
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
fileSystem.File.SetAttributes(path, FileAttributes.ReadOnly);
// Act
bool isReadOnly = fileInfo.IsReadOnly;
// Assert
isReadOnly.Should().BeTrue();
}
private void When_getting_file_length_it_must_lazy_load()
{
// Arrange
const string path = @"c:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingTextFile(path, DefaultContents)
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
fileSystem.File.WriteAllText(path, AlternateContents);
// Act
long length = fileInfo.Length;
// Assert
length.Should().Be(AlternateContents.Length);
}
private void When_creating_file_as_text_it_must_succeed()
{
// Arrange
const string path = @"C:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingDirectory(@"c:\some")
.Build();
IFileInfo info = fileSystem.ConstructFileInfo(path);
// Act
using (StreamWriter writer = info.CreateText())
{
// Assert
writer.BaseStream.CanRead.Should().BeFalse();
writer.BaseStream.CanWrite.Should().BeTrue();
}
}
private void When_appending_to_file_as_text_it_must_succeed()
{
// Arrange
const string path = @"C:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingTextFile(path, DefaultContents)
.Build();
IFileInfo info = fileSystem.ConstructFileInfo(path);
// Act
using (StreamWriter writer = info.AppendText())
{
// Assert
writer.BaseStream.CanRead.Should().BeFalse();
writer.BaseStream.CanWrite.Should().BeTrue();
}
}
private void When_creating_network_share_with_escaped_IPv6_address_it_must_succeed()
{
// https://msdn.microsoft.com/en-us/library/aa385353.aspx
// The IPv6 literal format must be used so that the IPv6 address is parsed correctly. An IPv6 literal address is of the form:
// ipv6-address with the ':' characters replaced by '-' characters, followed by the ".ipv6-literal.net" string.
// Arrange
string address = "fe80::ddad:d5e:41a2:43e7%5".Replace(":", "-") + ".ipv6-literal.net";
string path = @"\\" + address + @"\management";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
IFileInfo info = fileSystem.ConstructFileInfo(path);
// Assert
info.FullName.Should().Be(path);
}
private void When_opening_file_for_writing_it_must_succeed()
{
// Arrange
const string path = @"C:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingTextFile(path, DefaultContents)
.Build();
IFileInfo info = fileSystem.ConstructFileInfo(path);
// Act
using (IFileStream stream = info.OpenWrite())
{
// Assert
stream.CanRead.Should().BeFalse();
stream.CanWrite.Should().BeTrue();
}
}
private void When_getting_file_existence_it_must_lazy_load()
{
// Arrange
const string path = @"c:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingDirectory(@"c:\some")
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
fileSystem.File.WriteAllText(path, string.Empty);
// Act
bool found = fileInfo.Exists;
// Assert
found.Should().BeTrue();
}
private void When_creating_file_it_must_succeed()
{
// Arrange
const string path = @"c:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingDirectory(@"c:\some")
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
// Act
using (fileInfo.Create())
{
}
// Assert
fileSystem.File.Exists(path).Should().BeTrue();
fileSystem.File.ReadAllText(path).Should().Be(string.Empty);
}
private void When_constructing_file_info_for_existing_local_directory_it_must_succeed()
{
// Arrange
const string path = @"c:\some\folder";
DateTime creationTimeUtc = 17.March(2006).At(14, 03, 53).AsUtc();
var clock = new SystemClock(() => creationTimeUtc);
IFileSystem fileSystem = new FakeFileSystemBuilder(clock)
.IncludingDirectory(path)
.Build();
// Act
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
// Assert
fileInfo.Name.Should().Be("folder");
fileInfo.Extension.Should().Be(string.Empty);
fileInfo.FullName.Should().Be(path);
fileInfo.DirectoryName.Should().Be(@"c:\some");
fileInfo.Exists.Should().BeFalse();
ActionFactory.IgnoreReturnValue(() => fileInfo.Length).Should().ThrowExactly <FileNotFoundException>()
.WithMessage(@"Could not find file 'c:\some\folder'.");
fileInfo.IsReadOnly.Should().BeFalse();
fileInfo.Attributes.Should().Be(FileAttributes.Directory);
fileInfo.CreationTime.Should().Be(creationTimeUtc.ToLocalTime());
fileInfo.CreationTimeUtc.Should().Be(creationTimeUtc);
fileInfo.LastAccessTime.Should().Be(creationTimeUtc.ToLocalTime());
fileInfo.LastAccessTimeUtc.Should().Be(creationTimeUtc);
fileInfo.LastWriteTime.Should().Be(creationTimeUtc.ToLocalTime());
fileInfo.LastWriteTimeUtc.Should().Be(creationTimeUtc);
fileInfo.ToString().Should().Be(path);
IDirectoryInfo directoryInfo = fileInfo.Directory.ShouldNotBeNull();
directoryInfo.Name.Should().Be("some");
directoryInfo.FullName.Should().Be(@"c:\some");
directoryInfo.ToString().Should().Be(@"c:\some");
}
private void When_constructing_file_info_for_missing_network_share_it_must_fail()
{
// Arrange
const string path = @"\\server\share\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.Build();
// Act
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
// Assert
fileInfo.Name.Should().Be("file.txt");
fileInfo.Extension.Should().Be(".txt");
fileInfo.FullName.Should().Be(@"\\server\share\file.txt");
fileInfo.DirectoryName.Should().Be(@"\\server\share");
fileInfo.Exists.Should().BeFalse();
ActionFactory.IgnoreReturnValue(() => fileInfo.Length)
.ShouldThrow <IOException>().WithMessage("The network path was not found");
ActionFactory.IgnoreReturnValue(() => fileInfo.IsReadOnly)
.ShouldThrow <IOException>().WithMessage("The network path was not found");
ActionFactory.IgnoreReturnValue(() => fileInfo.Attributes)
.ShouldThrow <IOException>().WithMessage("The network path was not found");
ActionFactory.IgnoreReturnValue(() => fileInfo.CreationTime)
.ShouldThrow <IOException>().WithMessage("The network path was not found");
ActionFactory.IgnoreReturnValue(() => fileInfo.CreationTimeUtc)
.ShouldThrow <IOException>().WithMessage("The network path was not found");
ActionFactory.IgnoreReturnValue(() => fileInfo.LastAccessTime)
.ShouldThrow <IOException>().WithMessage("The network path was not found");
ActionFactory.IgnoreReturnValue(() => fileInfo.LastAccessTimeUtc)
.ShouldThrow <IOException>().WithMessage("The network path was not found");
ActionFactory.IgnoreReturnValue(() => fileInfo.LastWriteTime)
.ShouldThrow <IOException>().WithMessage("The network path was not found");
ActionFactory.IgnoreReturnValue(() => fileInfo.LastWriteTimeUtc)
.ShouldThrow <IOException>().WithMessage("The network path was not found");
IDirectoryInfo directoryInfo = fileInfo.Directory.ShouldNotBeNull();
directoryInfo.FullName.Should().Be(@"\\server\share");
}
private void When_opening_missing_local_file_in_Append_mode_it_must_succeed()
{
// Arrange
const string path = @"C:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingDirectory(@"c:\some")
.Build();
// Act
using (IFileStream stream = fileSystem.File.Open(path, FileMode.Append))
{
// Assert
stream.Length.Should().Be(0);
}
IFileInfo info = fileSystem.ConstructFileInfo(path);
info.Exists.Should().BeTrue();
info.Length.Should().Be(0);
}
private void When_creating_existing_local_file_it_must_overwrite()
{
// Arrange
const string path = @"C:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingTextFile(path, "existing data")
.Build();
// Act
using (IFileStream stream = fileSystem.File.Create(path))
{
// Assert
stream.Length.Should().Be(0);
}
IFileInfo info = fileSystem.ConstructFileInfo(path);
info.Exists.Should().BeTrue();
info.Attributes.Should().Be(FileAttributes.Archive);
}
private void When_creating_local_file_it_must_succeed()
{
// Arrange
const string path = @"C:\some\file.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingDirectory(@"C:\some")
.Build();
// Act
using (IFileStream stream = fileSystem.File.Create(path))
{
stream.WriteByte(0xFF);
}
// Assert
IFileInfo info = fileSystem.ConstructFileInfo(path);
info.Exists.Should().BeTrue();
info.Attributes.Should().Be(FileAttributes.Archive);
}
private void When_replacing_file_without_backup_it_must_succeed()
{
// Arrange
const string sourcePath = @"C:\some\source.txt";
const string targetPath = @"C:\some\target.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingTextFile(sourcePath, "SourceText")
.IncludingTextFile(targetPath, "TargetText")
.Build();
IFileInfo sourceInfo = fileSystem.ConstructFileInfo(sourcePath);
// Act
IFileInfo targetInfo = sourceInfo.Replace(targetPath, null);
// Assert
sourceInfo.Exists.Should().BeFalse();
targetInfo.Exists.Should().BeTrue();
targetInfo.FullName.Should().Be(targetPath);
}
private void When_getting_file_last_access_time_in_local_zone_it_must_lazy_load()
{
// Arrange
const string path = @"c:\some\file.txt";
var clock = new SystemClock(() => DefaultTimeUtc);
IFileSystem fileSystem = new FakeFileSystemBuilder(clock)
.IncludingEmptyFile(path)
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(path);
fileSystem.File.SetLastAccessTime(path, AlternateTime);
// Act
DateTime time = fileInfo.LastAccessTime;
// Assert
time.Should().Be(AlternateTime);
}
private void When_moving_file_it_must_succeed()
{
// Arrange
const string sourcePath = @"c:\some\file.txt";
const string destinationPath = @"c:\other\renamed.txt";
IFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingTextFile(sourcePath, DefaultContents, attributes: FileAttributes.ReadOnly)
.IncludingDirectory(@"c:\other")
.Build();
IFileInfo fileInfo = fileSystem.ConstructFileInfo(sourcePath);
// Act
fileInfo.MoveTo(destinationPath);
// Assert
fileSystem.File.Exists(sourcePath).Should().BeFalse();
fileSystem.File.ReadAllText(destinationPath).Should().Be(DefaultContents);
fileSystem.File.GetAttributes(destinationPath).Should().Be(FileAttributes.ReadOnly);
}