public void MountReusesLocalCacheKeyWhenGitObjectsRootDeleted()
{
GSDFunctionalTestEnlistment enlistment = this.CloneAndMountEnlistment();
enlistment.UnmountGSD();
// Find the current git objects root and ensure it's on disk
string objectsRoot = GSDHelpers.GetPersistedGitObjectsRoot(enlistment.DotGSDRoot).ShouldNotBeNull();
objectsRoot.ShouldBeADirectory(this.fileSystem);
string mappingFilePath = Path.Combine(enlistment.LocalCacheRoot, "mapping.dat");
string mappingFileContents = this.fileSystem.ReadAllText(mappingFilePath);
mappingFileContents.Length.ShouldNotEqual(0, "mapping.dat should not be empty");
// Delete the git objects root folder, mount should re-create it and the mapping.dat file should not change
RepositoryHelpers.DeleteTestDirectory(objectsRoot);
enlistment.MountGSD();
GSDHelpers.GetPersistedGitObjectsRoot(enlistment.DotGSDRoot).ShouldEqual(objectsRoot);
objectsRoot.ShouldBeADirectory(this.fileSystem);
mappingFilePath.ShouldBeAFile(this.fileSystem).WithContents(mappingFileContents);
this.AlternatesFileShouldHaveGitObjectsRoot(enlistment);
}
public void DeleteObjectsCacheAndCacheMappingBeforeMount()
{
GSDFunctionalTestEnlistment enlistment1 = this.CloneAndMountEnlistment();
GSDFunctionalTestEnlistment enlistment2 = this.CloneAndMountEnlistment();
enlistment1.UnmountGSD();
string objectsRoot = GSDHelpers.GetPersistedGitObjectsRoot(enlistment1.DotGSDRoot).ShouldNotBeNull();
objectsRoot.ShouldBeADirectory(this.fileSystem);
RepositoryHelpers.DeleteTestDirectory(objectsRoot);
string metadataPath = Path.Combine(this.localCachePath, "mapping.dat");
metadataPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.DeleteFile(metadataPath);
enlistment1.MountGSD();
Task task1 = Task.Run(() => this.HydrateRootFolder(enlistment1));
Task task2 = Task.Run(() => this.HydrateRootFolder(enlistment2));
task1.Wait();
task2.Wait();
task1.Exception.ShouldBeNull();
task2.Exception.ShouldBeNull();
enlistment1.Status().ShouldContain("Mount status: Ready");
enlistment2.Status().ShouldContain("Mount status: Ready");
this.AlternatesFileShouldHaveGitObjectsRoot(enlistment1);
this.AlternatesFileShouldHaveGitObjectsRoot(enlistment2);
}
public void RepairFixesCorruptBlobSizesDatabase()
{
GSDFunctionalTestEnlistment enlistment = this.CloneAndMountEnlistment();
enlistment.UnmountGSD();
// Repair on a healthy enlistment should succeed
enlistment.Repair(confirm: true);
string blobSizesRoot = GSDHelpers.GetPersistedBlobSizesRoot(enlistment.DotGSDRoot).ShouldNotBeNull();
string blobSizesDbPath = Path.Combine(blobSizesRoot, "BlobSizes.sql");
blobSizesDbPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.WriteAllText(blobSizesDbPath, "0000");
enlistment.TryMountGSD().ShouldEqual(false, "GSD shouldn't mount when blob size db is corrupt");
enlistment.Repair(confirm: true);
enlistment.MountGSD();
}
public void MountUsesNewLocalCacheKeyWhenLocalCacheDeleted()
{
GSDFunctionalTestEnlistment enlistment = this.CloneAndMountEnlistment();
enlistment.UnmountGSD();
// Find the current git objects root and ensure it's on disk
string objectsRoot = GSDHelpers.GetPersistedGitObjectsRoot(enlistment.DotGSDRoot).ShouldNotBeNull();
objectsRoot.ShouldBeADirectory(this.fileSystem);
string mappingFilePath = Path.Combine(enlistment.LocalCacheRoot, "mapping.dat");
string mappingFileContents = this.fileSystem.ReadAllText(mappingFilePath);
mappingFileContents.Length.ShouldNotEqual(0, "mapping.dat should not be empty");
// Delete the local cache folder, mount should re-create it and generate a new mapping file and local cache key
RepositoryHelpers.DeleteTestDirectory(enlistment.LocalCacheRoot);
enlistment.MountGSD();
// Mount should recreate the local cache root
enlistment.LocalCacheRoot.ShouldBeADirectory(this.fileSystem);
// Determine the new local cache key
string newMappingFileContents = mappingFilePath.ShouldBeAFile(this.fileSystem).WithContents();
const int GuidStringLength = 32;
string mappingFileKey = "A {\"Key\":\"https://gvfs.visualstudio.com/ci/_git/fortests\",\"Value\":\"";
int localKeyIndex = newMappingFileContents.IndexOf(mappingFileKey);
string newCacheKey = newMappingFileContents.Substring(localKeyIndex + mappingFileKey.Length, GuidStringLength);
// Validate the new objects root is on disk and uses the new key
objectsRoot.ShouldNotExistOnDisk(this.fileSystem);
string newObjectsRoot = GSDHelpers.GetPersistedGitObjectsRoot(enlistment.DotGSDRoot);
newObjectsRoot.ShouldNotEqual(objectsRoot);
newObjectsRoot.ShouldContain(newCacheKey);
newObjectsRoot.ShouldBeADirectory(this.fileSystem);
this.AlternatesFileShouldHaveGitObjectsRoot(enlistment);
}