public void MatchCase()
{
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
DirectoryInfo testSubdirectory = Directory.CreateDirectory(Path.Combine(testDirectory.FullName, "Subdirectory"));
FileInfo fileOne = new FileInfo(Path.Combine(testDirectory.FullName, "FileOne"));
FileInfo fileTwo = new FileInfo(Path.Combine(testDirectory.FullName, "FileTwo"));
FileInfo fileThree = new FileInfo(Path.Combine(testSubdirectory.FullName, "FileThree"));
FileInfo fileFour = new FileInfo(Path.Combine(testSubdirectory.FullName, "FileFour"));
fileOne.Create().Dispose();
fileTwo.Create().Dispose();
fileThree.Create().Dispose();
fileFour.Create().Dispose();
string[] paths = GetPaths(testDirectory.FullName, "file*", new EnumerationOptions {
MatchCasing = MatchCasing.CaseSensitive, RecurseSubdirectories = true
});
Assert.Empty(paths);
paths = GetPaths(testDirectory.FullName, "file*", new EnumerationOptions {
MatchCasing = MatchCasing.CaseInsensitive, RecurseSubdirectories = true
});
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName, fileThree.FullName, fileFour.FullName }, paths);
paths = GetPaths(testDirectory.FullName, "FileT*", new EnumerationOptions {
MatchCasing = MatchCasing.CaseSensitive, RecurseSubdirectories = true
});
FSAssert.EqualWhenOrdered(new string[] { fileTwo.FullName, fileThree.FullName }, paths);
paths = GetPaths(testDirectory.FullName, "File???", new EnumerationOptions {
MatchCasing = MatchCasing.CaseSensitive, RecurseSubdirectories = true
});
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName }, paths);
}
public void StarDotBehavior()
{
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
FileInfo fileOne = new FileInfo(Path.Combine(testDirectory.FullName, "one"));
FileInfo fileTwo = new FileInfo(Path.Combine(testDirectory.FullName, "one.two"));
string fileThree = Path.Combine(testDirectory.FullName, "three.");
fileOne.Create().Dispose();
fileTwo.Create().Dispose();
// Need extended device syntax to create a name with a trailing dot.
File.Create(PlatformDetection.IsWindows ? @"\\?\" + fileThree : fileThree).Dispose();
// *. means any file without an extension
string[] paths = GetPaths(testDirectory.FullName, "*.", new EnumerationOptions {
MatchType = MatchType.Win32
});
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileThree }, paths);
// Simple, anything with a trailing period
paths = GetPaths(testDirectory.FullName, "*.", new EnumerationOptions {
MatchType = MatchType.Simple
});
FSAssert.EqualWhenOrdered(new string[] { fileThree }, paths);
}
public void QuestionMarkBehavior()
{
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
FileInfo fileOne = new FileInfo(Path.Combine(testDirectory.FullName, "a.one"));
FileInfo fileTwo = new FileInfo(Path.Combine(testDirectory.FullName, "ab.two"));
FileInfo fileThree = new FileInfo(Path.Combine(testDirectory.FullName, "abc.three"));
fileOne.Create().Dispose();
fileTwo.Create().Dispose();
fileThree.Create().Dispose();
// Question marks collapse to periods in Win32
string[] paths = GetPaths(testDirectory.FullName, "a??.*", new EnumerationOptions {
MatchType = MatchType.Win32
});
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName, fileThree.FullName }, paths);
paths = GetPaths(testDirectory.FullName, "*.?????", new EnumerationOptions {
MatchType = MatchType.Win32
});
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName, fileThree.FullName }, paths);
// Simple, one question mark is one character
paths = GetPaths(testDirectory.FullName, "a??.*", new EnumerationOptions {
MatchType = MatchType.Simple
});
FSAssert.EqualWhenOrdered(new string[] { fileThree.FullName }, paths);
paths = GetPaths(testDirectory.FullName, "*.?????", new EnumerationOptions {
MatchType = MatchType.Simple
});
FSAssert.EqualWhenOrdered(new string[] { fileThree.FullName }, paths);
}
public void SkippingHiddenFiles()
{
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
DirectoryInfo testSubdirectory = Directory.CreateDirectory(Path.Combine(testDirectory.FullName, GetTestFileName()));
FileInfo fileOne = new FileInfo(Path.Combine(testDirectory.FullName, GetTestFileName()));
// Put a period in front to make it hidden on Unix
FileInfo fileTwo = new FileInfo(Path.Combine(testDirectory.FullName, "." + GetTestFileName()));
FileInfo fileThree = new FileInfo(Path.Combine(testSubdirectory.FullName, GetTestFileName()));
FileInfo fileFour = new FileInfo(Path.Combine(testSubdirectory.FullName, "." + GetTestFileName()));
fileOne.Create().Dispose();
fileTwo.Create().Dispose();
if (PlatformDetection.IsWindows)
{
fileTwo.Attributes = fileTwo.Attributes | FileAttributes.Hidden;
}
fileThree.Create().Dispose();
fileFour.Create().Dispose();
if (PlatformDetection.IsWindows)
{
fileFour.Attributes = fileTwo.Attributes | FileAttributes.Hidden;
}
// Default EnumerationOptions is to skip hidden
string[] paths = GetPaths(testDirectory.FullName, new EnumerationOptions());
Assert.Equal(new string[] { fileOne.FullName }, paths);
paths = GetPaths(testDirectory.FullName, new EnumerationOptions {
AttributesToSkip = 0
});
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName }, paths);
paths = GetPaths(testDirectory.FullName, new EnumerationOptions {
RecurseSubdirectories = true
});
Assert.Equal(new string[] { fileOne.FullName, fileThree.FullName }, paths);
if (PlatformDetection.IsWindows)
{
// Shouldn't recurse into the subdirectory now that it is hidden
testSubdirectory.Attributes = testSubdirectory.Attributes | FileAttributes.Hidden;
}
else
{
Directory.Move(testSubdirectory.FullName, Path.Combine(testDirectory.FullName, "." + testSubdirectory.Name));
}
paths = GetPaths(testDirectory.FullName, new EnumerationOptions {
RecurseSubdirectories = true
});
Assert.Equal(new string[] { fileOne.FullName }, paths);
}
public void GetFiles_WildcardPatternIsTranslated(string pattern)
{
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
FileInfo fileOne = new FileInfo(Path.Combine(testDirectory.FullName, "File.One"));
FileInfo fileTwo = new FileInfo(Path.Combine(testDirectory.FullName, "FileTwo"));
fileOne.Create().Dispose();
fileTwo.Create().Dispose();
string[] results = GetFiles(testDirectory.FullName, pattern);
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName }, results);
results = GetFiles(testDirectory.FullName, pattern, new EnumerationOptions {
MatchType = MatchType.Win32
});
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName }, results);
}
public void CustomExtensionMatch()
{
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
DirectoryInfo testSubdirectory = Directory.CreateDirectory(Path.Combine(testDirectory.FullName, "Subdirectory"));
FileInfo fileOne = new FileInfo(Path.Combine(testDirectory.FullName, "fileone.htm"));
FileInfo fileTwo = new FileInfo(Path.Combine(testDirectory.FullName, "filetwo.html"));
FileInfo fileThree = new FileInfo(Path.Combine(testSubdirectory.FullName, "filethree.doc"));
FileInfo fileFour = new FileInfo(Path.Combine(testSubdirectory.FullName, "filefour.docx"));
fileOne.Create().Dispose();
fileTwo.Create().Dispose();
fileThree.Create().Dispose();
fileFour.Create().Dispose();
string[] paths = GetFileFullPathsWithExtension(testDirectory.FullName, true, ".htm", ".doc").ToArray();
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileThree.FullName }, paths);
}
public void GetFileNamesEnumerable()
{
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
File.Create(Path.Join(testDirectory.FullName, "one")).Dispose();
File.Create(Path.Join(testDirectory.FullName, "two")).Dispose();
Directory.CreateDirectory(Path.Join(testDirectory.FullName, "three"));
IEnumerable <string> fileNames =
new FileSystemEnumerable <string>(
testDirectory.FullName,
(ref FileSystemEntry entry) => entry.FileName.ToString())
{
ShouldIncludePredicate = (ref FileSystemEntry entry) => !entry.IsDirectory
};
FSAssert.EqualWhenOrdered(new string[] { "one", "two" }, fileNames);
}
public void GetFileNamesEnumerable()
{
// https://blogs.msdn.microsoft.com/jeremykuhne/2018/03/09/custom-directory-enumeration-in-net-core-2-1/
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
File.Create(Path.Join(testDirectory.FullName, "one")).Dispose();
File.Create(Path.Join(testDirectory.FullName, "two")).Dispose();
Directory.CreateDirectory(Path.Join(testDirectory.FullName, "three"));
IEnumerable <string> fileNames =
new FileSystemEnumerable <string>(
testDirectory.FullName,
(ref FileSystemEntry entry) => entry.FileName.ToString())
{
ShouldIncludePredicate = (ref FileSystemEntry entry) => !entry.IsDirectory
};
FSAssert.EqualWhenOrdered(new string[] { "one", "two" }, fileNames);
}
public void GetFiles_EmptyPattern()
{
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
FileInfo fileOne = new FileInfo(Path.Combine(testDirectory.FullName, "File.One"));
FileInfo fileTwo = new FileInfo(Path.Combine(testDirectory.FullName, "FileTwo"));
fileOne.Create().Dispose();
fileTwo.Create().Dispose();
// We allow for expression to be "foo\" which would translate to "foo\*".
string[] results = GetFiles(testDirectory.Parent.FullName, testDirectory.Name + Path.DirectorySeparatorChar);
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName }, results);
results = GetFiles(testDirectory.Parent.FullName, testDirectory.Name + Path.AltDirectorySeparatorChar);
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName }, results);
results = GetFiles(testDirectory.FullName, string.Empty);
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName }, results);
}
public void TrimmedPathsAreFound_Windows()
{
// Trailing spaces and periods are eaten when normalizing in Windows, making them impossible
// to access without using the \\?\ device syntax. We should, however, be able to find them
// and retain the filename in the info classes and string results.
DirectoryInfo directory = Directory.CreateDirectory(GetTestFilePath());
File.Create(@"\\?\" + Path.Combine(directory.FullName, "Trailing space ")).Dispose();
File.Create(@"\\?\" + Path.Combine(directory.FullName, "Trailing period.")).Dispose();
FileInfo[] files = directory.GetFiles();
Assert.Equal(2, files.Count());
FSAssert.EqualWhenOrdered(new string[] { "Trailing space ", "Trailing period." }, files.Select(f => f.Name));
var paths = Directory.GetFiles(directory.FullName);
Assert.Equal(2, paths.Count());
FSAssert.EqualWhenOrdered(new string[] { "Trailing space ", "Trailing period." }, paths.Select(p => Path.GetFileName(p)));
}
public void TestGetFilesWithExtensions()
{
// https://blogs.msdn.microsoft.com/jeremykuhne/2018/03/09/custom-directory-enumeration-in-net-core-2-1/
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
File.Create(Path.Join(testDirectory.FullName, "file.one")).Dispose();
File.Create(Path.Join(testDirectory.FullName, "file.two")).Dispose();
File.Create(Path.Join(testDirectory.FullName, "file.three")).Dispose();
DirectoryInfo subDirectory = testDirectory.CreateSubdirectory("three.one");
File.Create(Path.Join(subDirectory.FullName, "subfile.one")).Dispose();
FSAssert.EqualWhenOrdered(
new string[] { "file.one", "file.three" },
GetFilesWithExtensions(testDirectory.FullName, false, ".one", ".three").Select(f => f.Name));
FSAssert.EqualWhenOrdered(
new string[] { "file.one", "file.three", "subfile.one" },
GetFilesWithExtensions(testDirectory.FullName, true, ".one", ".three").Select(f => f.Name));
}
public void SkipComesFirst()
{
// If skip comes first we shouldn't find ourselves recursing.
DirectoryInfo testDirectory = Directory.CreateDirectory(GetTestFilePath());
DirectoryInfo testSubdirectory = Directory.CreateDirectory(Path.Combine(testDirectory.FullName, GetTestFileName()));
FileInfo fileOne = new FileInfo(Path.Combine(testDirectory.FullName, GetTestFileName()));
FileInfo fileTwo = new FileInfo(Path.Combine(testDirectory.FullName, GetTestFileName()));
FileInfo fileThree = new FileInfo(Path.Combine(testSubdirectory.FullName, GetTestFileName()));
FileInfo fileFour = new FileInfo(Path.Combine(testSubdirectory.FullName, GetTestFileName()));
fileOne.Create().Dispose();
fileTwo.Create().Dispose();
fileThree.Create().Dispose();
fileFour.Create().Dispose();
string[] paths = GetPaths(testDirectory.FullName, new EnumerationOptions {
AttributesToSkip = FileAttributes.Directory, RecurseSubdirectories = true
});
FSAssert.EqualWhenOrdered(new string[] { fileOne.FullName, fileTwo.FullName }, paths);
}
