public void InitCallbackMadeWhenUsingTheFilter()
{
bool called = false;
Action initializeCallback = () =>
{
called = true;
};
var filter = new FakeFilter(FilterName,
attributes,
successCallback,
successCallback,
initializeCallback);
var registration = GlobalSettings.RegisterFilter(filter);
try
{
Assert.False(called);
string repoPath = InitNewRepository();
using (var repo = CreateTestRepository(repoPath))
{
StageNewFile(repo);
Assert.True(called);
}
}
finally
{
GlobalSettings.DeregisterFilter(registration);
}
}
public void WhenCheckingOutAFileFileSmudgeWritesCorrectFileToWorkingDirectory()
{
const string decodedInput = "This is a substitution cipher";
const string encodedInput = "Guvf vf n fhofgvghgvba pvcure";
const string branchName = "branch";
string repoPath = InitNewRepository();
Action <Stream, Stream> smudgeCallback = SubstitutionCipherFilter.RotateByThirteenPlaces;
var filter = new FakeFilter(FilterName, attributes, null, smudgeCallback);
var registration = GlobalSettings.RegisterFilter(filter);
try
{
FileInfo expectedFile = CheckoutFileForSmudge(repoPath, branchName, encodedInput);
string combine = Path.Combine(repoPath, "..", expectedFile.Name);
string readAllText = File.ReadAllText(combine);
Assert.Equal(decodedInput, readAllText);
}
finally
{
GlobalSettings.DeregisterFilter(registration);
}
}
public void WhenStagingFileApplyIsCalledWithCleanForCorrectPath()
{
string repoPath = InitNewRepository();
bool called = false;
Action <Stream, Stream> clean = (reader, writer) =>
{
called = true;
reader.CopyTo(writer);
};
var filter = new FakeFilter(FilterName, attributes, clean);
var registration = GlobalSettings.RegisterFilter(filter);
try
{
using (var repo = CreateTestRepository(repoPath))
{
StageNewFile(repo);
Assert.True(called);
}
}
finally
{
GlobalSettings.DeregisterFilter(registration);
}
}
public void CleanFilterWritesOutputToObjectTree()
{
const string decodedInput = "This is a substitution cipher";
const string encodedInput = "Guvf vf n fhofgvghgvba pvcure";
string repoPath = InitNewRepository();
Action <Stream, Stream> cleanCallback = SubstitutionCipherFilter.RotateByThirteenPlaces;
var filter = new FakeFilter(FilterName, attributes, cleanCallback);
var registration = GlobalSettings.RegisterFilter(filter);
try
{
using (var repo = CreateTestRepository(repoPath))
{
FileInfo expectedFile = StageNewFile(repo, decodedInput);
var commit = repo.Commit("Clean that file", Constants.Signature, Constants.Signature);
var blob = (Blob)commit.Tree[expectedFile.Name].Target;
var textDetected = blob.GetContentText();
Assert.Equal(encodedInput, textDetected);
}
}
finally
{
GlobalSettings.DeregisterFilter(registration);
}
}
public void WhenStagedFileDoesNotMatchPathSpecFileIsNotFiltered(string pathSpec, string fileExtension, int cleanCount, int smudgeCount)
{
const string filterName = "rot13";
const string decodedInput = "This is a substitution cipher";
string attributeFileEntry = string.Format("{0} filter={1}", pathSpec, filterName);
var filterForAttributes = new List <FilterAttributeEntry> {
new FilterAttributeEntry(filterName)
};
var filter = new SubstitutionCipherFilter("cipher-filter", filterForAttributes);
var filterRegistration = GlobalSettings.RegisterFilter(filter);
string repoPath = InitNewRepository();
string fileName = Guid.NewGuid() + fileExtension;
using (var repo = new Repository(repoPath))
{
CreateConfigurationWithDummyUser(repo, Constants.Identity);
CreateAttributesFile(repo, attributeFileEntry);
CommitOnBranchAndReturnDatabaseBlob(repo, fileName, decodedInput);
Assert.Equal(cleanCount, filter.CleanCalledCount);
Assert.Equal(smudgeCount, filter.SmudgeCalledCount);
}
GlobalSettings.DeregisterFilter(filterRegistration);
}
public void SmudgeIsCalledIfAttributeEntryMatches(string filterAttribute, string attributeEntry, int smudgeCount)
{
const string decodedInput = "This is a substitution cipher";
var filterForAttributes = new List <FilterAttributeEntry> {
new FilterAttributeEntry(filterAttribute)
};
var filter = new SubstitutionCipherFilter("cipher-filter", filterForAttributes);
var filterRegistration = GlobalSettings.RegisterFilter(filter);
string repoPath = InitNewRepository();
string fileName = Guid.NewGuid() + ".txt";
using (var repo = new Repository(repoPath))
{
CreateConfigurationWithDummyUser(repo, Constants.Identity);
CreateAttributesFile(repo, attributeEntry);
CommitOnBranchAndReturnDatabaseBlob(repo, fileName, decodedInput);
var branch = repo.CreateBranch("delete-files");
repo.Checkout(branch.FriendlyName);
DeleteFile(repo, fileName);
repo.Checkout("master");
Assert.Equal(smudgeCount, filter.SmudgeCalledCount);
}
GlobalSettings.DeregisterFilter(filterRegistration);
}
public void CleanIsCalledIfAttributeEntryMatches(string filterAttribute, string attributeEntry, int cleanCount)
{
const string decodedInput = "This is a substitution cipher";
var filterForAttributes = new List <FilterAttributeEntry> {
new FilterAttributeEntry(filterAttribute)
};
var filter = new SubstitutionCipherFilter("cipher-filter", filterForAttributes);
var filterRegistration = GlobalSettings.RegisterFilter(filter);
string repoPath = InitNewRepository();
string fileName = Guid.NewGuid() + ".txt";
string configPath = CreateConfigurationWithDummyUser(Constants.Identity);
var repositoryOptions = new RepositoryOptions {
GlobalConfigurationLocation = configPath
};
using (var repo = new Repository(repoPath, repositoryOptions))
{
CreateAttributesFile(repo, attributeEntry);
CommitOnBranchAndReturnDatabaseBlob(repo, fileName, decodedInput);
Assert.Equal(cleanCount, filter.CleanCalledCount);
}
GlobalSettings.DeregisterFilter(filterRegistration);
}
public void CanRegisterAndDeregisterAfterGarbageCollection()
{
var filterRegistration = GlobalSettings.RegisterFilter(new EmptyFilter(FilterName, attributes));
GC.Collect();
GlobalSettings.DeregisterFilter(filterRegistration);
}
public void CanRegisterAndUnregisterTheSameFilter()
{
var filter = new EmptyFilter(FilterName, attributes);
var registration = GlobalSettings.RegisterFilter(filter);
GlobalSettings.DeregisterFilter(registration);
var secondRegistration = GlobalSettings.RegisterFilter(filter);
GlobalSettings.DeregisterFilter(secondRegistration);
}
public void CorrectlyEncodesAndDecodesInput()
{
const string decodedInput = "This is a substitution cipher";
const string encodedInput = "Guvf vf n fhofgvghgvba pvcure";
var attributes = new List <FilterAttributeEntry> {
new FilterAttributeEntry("rot13")
};
var filter = new SubstitutionCipherFilter("cipher-filter", attributes);
var filterRegistration = GlobalSettings.RegisterFilter(filter);
string repoPath = InitNewRepository();
string fileName = Guid.NewGuid() + ".rot13";
string configPath = CreateConfigurationWithDummyUser(Constants.Identity);
var repositoryOptions = new RepositoryOptions {
GlobalConfigurationLocation = configPath
};
using (var repo = new Repository(repoPath, repositoryOptions))
{
CreateAttributesFile(repo, "*.rot13 filter=rot13");
var blob = CommitOnBranchAndReturnDatabaseBlob(repo, fileName, decodedInput);
var textDetected = blob.GetContentText();
Assert.Equal(encodedInput, textDetected);
Assert.Equal(1, filter.CleanCalledCount);
Assert.Equal(0, filter.SmudgeCalledCount);
var branch = repo.CreateBranch("delete-files");
repo.Checkout(branch.FriendlyName);
DeleteFile(repo, fileName);
repo.Checkout("master");
var fileContents = ReadTextFromFile(repo, fileName);
Assert.Equal(1, filter.SmudgeCalledCount);
Assert.Equal(decodedInput, fileContents);
}
GlobalSettings.DeregisterFilter(filterRegistration);
}
public void CanHandleMultipleSmudgesConcurrently()
{
const string decodedInput = "This is a substitution cipher";
const string encodedInput = "Guvf vf n fhofgvghgvba pvcure";
const string branchName = "branch";
Action <Stream, Stream> smudgeCallback = SubstitutionCipherFilter.RotateByThirteenPlaces;
var filter = new FakeFilter(FilterName, attributes, null, smudgeCallback);
var registration = GlobalSettings.RegisterFilter(filter);
try
{
int count = 30;
var tasks = new Task <FileInfo> [count];
for (int i = 0; i < count; i++)
{
tasks[i] = Task.Factory.StartNew(() =>
{
string repoPath = InitNewRepository();
return(CheckoutFileForSmudge(repoPath, branchName, encodedInput));
});
}
Task.WaitAll(tasks);
foreach (var task in tasks)
{
FileInfo expectedFile = task.Result;
string readAllText = File.ReadAllText(expectedFile.FullName);
Assert.Equal(decodedInput, readAllText);
}
}
finally
{
GlobalSettings.DeregisterFilter(registration);
}
}
public void DoubleRegistrationFailsButDoubleDeregistrationDoesNot()
{
Assert.Equal(0, GlobalSettings.GetRegisteredFilters().Count());
var filter = new EmptyFilter(FilterName, attributes);
var registration = GlobalSettings.RegisterFilter(filter);
Assert.Throws <EntryExistsException>(() => { GlobalSettings.RegisterFilter(filter); });
Assert.Equal(1, GlobalSettings.GetRegisteredFilters().Count());
Assert.True(registration.IsValid, "FilterRegistration.IsValid should be true.");
GlobalSettings.DeregisterFilter(registration);
Assert.Equal(0, GlobalSettings.GetRegisteredFilters().Count());
Assert.False(registration.IsValid, "FilterRegistration.IsValid should be false.");
GlobalSettings.DeregisterFilter(registration);
Assert.Equal(0, GlobalSettings.GetRegisteredFilters().Count());
Assert.False(registration.IsValid, "FilterRegistration.IsValid should be false.");
}
public void InitCallbackNotMadeWhenFilterNeverUsed()
{
bool called = false;
Action initializeCallback = () =>
{
called = true;
};
var filter = new FakeFilter(FilterName,
attributes,
successCallback,
successCallback,
initializeCallback);
var registration = GlobalSettings.RegisterFilter(filter);
try
{
Assert.False(called);
}
finally
{
GlobalSettings.DeregisterFilter(registration);
}
}
public void CanFilterLargeFiles()
{
const int ContentLength = 128 * 1024 * 1024 - 13;
const char ContentValue = 'x';
char[] content = (new string(ContentValue, 1024)).ToCharArray();
string repoPath = InitNewRepository();
var filter = new FileExportFilter(FilterName, attributes);
var registration = GlobalSettings.RegisterFilter(filter);
try
{
string filePath = Path.Combine(Directory.GetParent(repoPath).Parent.FullName, Guid.NewGuid().ToString() + ".blob");
FileInfo contentFile = new FileInfo(filePath);
using (var writer = new StreamWriter(contentFile.OpenWrite())
{
AutoFlush = true
})
{
int remain = ContentLength;
while (remain > 0)
{
int chunkSize = remain > content.Length ? content.Length : remain;
writer.Write(content, 0, chunkSize);
remain -= chunkSize;
}
}
string attributesPath = Path.Combine(Directory.GetParent(repoPath).Parent.FullName, ".gitattributes");
FileInfo attributesFile = new FileInfo(attributesPath);
string configPath = CreateConfigurationWithDummyUser(Constants.Identity);
var repositoryOptions = new RepositoryOptions {
GlobalConfigurationLocation = configPath
};
using (Repository repo = new Repository(repoPath, repositoryOptions))
{
File.WriteAllText(attributesPath, "*.blob filter=test");
repo.Stage(attributesFile.Name);
repo.Stage(contentFile.Name);
repo.Commit("test", Constants.Signature, Constants.Signature);
contentFile.Delete();
repo.Checkout("HEAD", new CheckoutOptions()
{
CheckoutModifiers = CheckoutModifiers.Force
});
}
contentFile = new FileInfo(filePath);
Assert.True(contentFile.Exists, "Contents not restored correctly by forced checkout.");
using (StreamReader reader = contentFile.OpenText())
{
int totalRead = 0;
char[] block = new char[1024];
int read;
while ((read = reader.Read(block, 0, block.Length)) > 0)
{
Assert.True(CharArrayAreEqual(block, content, read));
totalRead += read;
}
Assert.Equal(ContentLength, totalRead);
}
contentFile.Delete();
}
finally
{
GlobalSettings.DeregisterFilter(registration);
}
}