public void MountUpgradesFromEsentDatabasesToFlatDatabases()
{
this.Enlistment.UnmountGVFS();
// Delete the existing background ops data
string flatBackgroundPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.BackgroundOpsFile);
flatBackgroundPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.DeleteFile(flatBackgroundPath);
// Delete the existing placeholder data
string flatPlaceholdersPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.PlaceholderListFile);
flatPlaceholdersPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.DeleteFile(flatPlaceholdersPath);
GVFSHelpers.CreateEsentBackgroundOpsDatabase(this.Enlistment.DotGVFSRoot);
GVFSHelpers.CreateEsentPlaceholderDatabase(this.Enlistment.DotGVFSRoot);
// Nine is the last version with ESENT BackgroundOps and Placeholders DBs
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, "9");
this.Enlistment.MountGVFS();
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot)
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(CurrentDiskLayoutVersion);
flatBackgroundPath.ShouldBeAFile(this.fileSystem);
flatPlaceholdersPath.ShouldBeAFile(this.fileSystem);
}
public void MountFailsWhenNoGitObjectsRootInRepoMetadata()
{
this.Enlistment.UnmountGVFS();
string majorVersion;
string minorVersion;
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot, out majorVersion, out minorVersion);
majorVersion.ShouldNotBeNull();
minorVersion.ShouldNotBeNull();
string localCacheRoot = GVFSHelpers.GetPersistedLocalCacheRoot(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
string metadataPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
string metadataBackupPath = metadataPath + ".backup";
this.fileSystem.MoveFile(metadataPath, metadataBackupPath);
this.fileSystem.CreateEmptyFile(metadataPath);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, majorVersion, minorVersion);
GVFSHelpers.SaveLocalCacheRoot(this.Enlistment.DotGVFSRoot, localCacheRoot);
this.MountShouldFail("Failed to determine git objects root from repo metadata");
this.fileSystem.DeleteFile(metadataPath);
this.fileSystem.MoveFile(metadataBackupPath, metadataPath);
this.Enlistment.MountGVFS();
}
private void RunEsentRepoMetadataUpgradeTest(string sourceVersion)
{
this.Enlistment.UnmountGVFS();
// Delete the existing repo metadata
string versionJsonPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
versionJsonPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.DeleteFile(versionJsonPath);
GVFSHelpers.SaveDiskLayoutVersionAsEsentDatabase(this.Enlistment.DotGVFSRoot, sourceVersion);
string esentDatabasePath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.EsentRepoMetadataFolder);
esentDatabasePath.ShouldBeADirectory(this.fileSystem);
// We should be able to mount, and there should no longer be any Esent Repo Metadata
this.Enlistment.MountGVFS();
esentDatabasePath.ShouldNotExistOnDisk(this.fileSystem);
versionJsonPath.ShouldBeAFile(this.fileSystem);
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot)
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(CurrentDiskLayoutVersion, "Disk layout version should be upgraded to the latest");
GVFSHelpers.GetPersistedLocalCacheRoot(this.Enlistment.DotGVFSRoot)
.ShouldEqual(string.Empty, "LocalCacheRoot should be an empty string when upgrading from a version prior to 12");
// We're starting with fresh enlisments, and so the legacy cache location: <root>\.gvfs\gitObjectCache should not be on disk
Path.Combine(this.Enlistment.DotGVFSRoot, @".gvfs\gitObjectCache").ShouldNotExistOnDisk(this.fileSystem);
// The upgrader should set GitObjectsRoot to src\.git\objects (because the legacy cache location is not on disk)
GVFSHelpers.GetPersistedGitObjectsRoot(this.Enlistment.DotGVFSRoot)
.ShouldNotBeNull("GitObjectsRoot should not be null")
.ShouldEqual(Path.Combine(this.Enlistment.RepoRoot, @".git\objects"));
}
public void MountSucceedsUpgradeToAlwaysExclude()
{
this.Enlistment.UnmountGVFS();
string originalVersion = GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
int originalVersionNum;
int.TryParse(originalVersion, out originalVersionNum).ShouldEqual(true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, (AlwaysExcludeOnDiskVersion - 1).ToString());
string excludeVirtualPath = this.Enlistment.GetVirtualPathTo(ExcludePath);
string alwaysExcludeVirtualPath = this.Enlistment.GetVirtualPathTo(AlwaysExcludePath);
excludeVirtualPath.ShouldBeAFile(this.fileSystem);
alwaysExcludeVirtualPath.ShouldBeAFile(this.fileSystem);
string originalAlwaysExcludeContents = this.fileSystem.ReadAllText(alwaysExcludeVirtualPath);
this.fileSystem.DeleteFile(excludeVirtualPath);
this.fileSystem.MoveFile(alwaysExcludeVirtualPath, excludeVirtualPath);
this.Enlistment.MountGVFS();
this.Enlistment.UnmountGVFS();
excludeVirtualPath.ShouldBeAFile(this.fileSystem);
alwaysExcludeVirtualPath.ShouldBeAFile(this.fileSystem);
originalAlwaysExcludeContents.ShouldEqual(this.fileSystem.ReadAllText(alwaysExcludeVirtualPath));
string finalVersion = GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
int finalVersionNum;
int.TryParse(finalVersion, out finalVersionNum).ShouldEqual(true);
finalVersion.ShouldEqual(originalVersion);
this.Enlistment.MountGVFS();
}
public void MountFailsWhenNoOnDiskVersion()
{
this.Enlistment.UnmountGVFS();
// Get the current disk layout version
string currentVersion = GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
int currentVersionNum;
int.TryParse(currentVersion, out currentVersionNum).ShouldEqual(true);
// Move the RepoMetadata database to a temp folder
string versionDatabasePath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataDatabaseName);
versionDatabasePath.ShouldBeADirectory(this.fileSystem);
string tempDatabasePath = versionDatabasePath + "_MountFailsWhenNoOnDiskVersion";
tempDatabasePath.ShouldNotExistOnDisk(this.fileSystem);
this.fileSystem.MoveDirectory(versionDatabasePath, tempDatabasePath);
versionDatabasePath.ShouldNotExistOnDisk(this.fileSystem);
this.MountShouldFail("Enlistment disk layout version not found");
// Move the RepoMetadata database back
this.fileSystem.MoveDirectory(tempDatabasePath, versionDatabasePath);
tempDatabasePath.ShouldNotExistOnDisk(this.fileSystem);
versionDatabasePath.ShouldBeADirectory(this.fileSystem);
this.Enlistment.MountGVFS();
}
public void MountFailsUpgradingFromInvalidUpgradePath(string mountSubfolder)
{
MountSubfolders.EnsureSubfoldersOnDisk(this.Enlistment, this.fileSystem);
string headCommitId = GitProcess.Invoke(this.Enlistment.RepoRoot, "rev-parse HEAD");
this.Enlistment.UnmountGVFS();
string majorVersion;
string minorVersion;
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot, out majorVersion, out minorVersion);
int majorVersionNum;
int minorVersionNum;
int.TryParse(majorVersion.ShouldNotBeNull(), out majorVersionNum).ShouldEqual(true);
int.TryParse(minorVersion.ShouldNotBeNull(), out minorVersionNum).ShouldEqual(true);
// 1 will always be below the minumum support version number
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, "1", "0");
this.MountShouldFail("Breaking change to GVFS disk layout has been made since cloning", this.Enlistment.GetVirtualPathTo(mountSubfolder));
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, majorVersionNum.ToString(), minorVersionNum.ToString());
this.Enlistment.MountGVFS();
}
public void MountFailsUpgradingFromCommitProjectionVersionWhereProjectedCommitIdDoesNotMatchHEAD(string mountSubfolder)
{
MountSubfolders.EnsureSubfoldersOnDisk(this.Enlistment, this.fileSystem);
string headCommitId = GitProcess.Invoke(this.Enlistment.RepoRoot, "rev-parse HEAD");
this.Enlistment.UnmountGVFS();
string currentVersion = GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
int currentVersionNum;
int.TryParse(currentVersion, out currentVersionNum).ShouldEqual(true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, (ProjectGitIndexOnDiskVersion - 1).ToString());
string gvfsHeadPath = Path.Combine(this.Enlistment.DotGVFSRoot, "GVFS_HEAD");
gvfsHeadPath.ShouldNotExistOnDisk(this.fileSystem);
// 575d597cf09b2cd1c0ddb4db21ce96979010bbcb is an earlier commit in the FunctionalTests/20170310 branch
this.fileSystem.WriteAllText(gvfsHeadPath, "575d597cf09b2cd1c0ddb4db21ce96979010bbcb");
this.MountShouldFail("Failed to mount", this.Enlistment.GetVirtualPathTo(mountSubfolder));
this.fileSystem.DeleteFile(gvfsHeadPath);
this.fileSystem.WriteAllText(gvfsHeadPath, headCommitId);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, currentVersionNum.ToString());
this.Enlistment.MountGVFS();
gvfsHeadPath.ShouldNotExistOnDisk(this.fileSystem);
}
public void DehydrateShouldFailOnWrongDiskLayoutVersion()
{
this.Enlistment.UnmountGVFS();
string majorVersion;
string minorVersion;
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot, out majorVersion, out minorVersion);
int majorVersionNum;
int minorVersionNum;
int.TryParse(majorVersion.ShouldNotBeNull(), out majorVersionNum).ShouldEqual(true);
int.TryParse(minorVersion.ShouldNotBeNull(), out minorVersionNum).ShouldEqual(true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, (majorVersionNum - 1).ToString(), "0");
this.DehydrateShouldFail("disk layout version doesn't match current version", noStatus: true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, (majorVersionNum + 1).ToString(), "0");
this.DehydrateShouldFail("Changes to GVFS disk layout do not allow mounting after downgrade.", noStatus: true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, majorVersionNum.ToString(), minorVersionNum.ToString());
this.Enlistment.MountGVFS();
}
public void MountSetsGitObjectsRootToLegacyDotGVFSCache()
{
this.Enlistment.UnmountGVFS();
// Delete the existing repo metadata
string versionJsonPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
versionJsonPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.DeleteFile(versionJsonPath);
// "11" was the last version before the introduction of a volume wide GVFS cache
string metadataPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
this.fileSystem.CreateEmptyFile(metadataPath);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, "11");
// Create the legacy cache location: <root>\.gvfs\gitObjectCache
string legacyGitObjectsCachePath = Path.Combine(this.Enlistment.DotGVFSRoot, "gitObjectCache");
this.fileSystem.CreateDirectory(legacyGitObjectsCachePath);
this.Enlistment.MountGVFS();
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot)
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(CurrentDiskLayoutVersion, "Disk layout version should be upgraded to the latest");
GVFSHelpers.GetPersistedLocalCacheRoot(this.Enlistment.DotGVFSRoot)
.ShouldEqual(string.Empty, "LocalCacheRoot should be an empty string when upgrading from a version prior to 12");
GVFSHelpers.GetPersistedGitObjectsRoot(this.Enlistment.DotGVFSRoot)
.ShouldEqual(legacyGitObjectsCachePath);
}
public void DehydrateShouldFailIfLocalCacheNotInMetadata()
{
this.Enlistment.UnmountGVFS();
string majorVersion;
string minorVersion;
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot, out majorVersion, out minorVersion);
string objectsRoot = GVFSHelpers.GetPersistedGitObjectsRoot(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
string metadataPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
string metadataBackupPath = metadataPath + ".backup";
this.fileSystem.MoveFile(metadataPath, metadataBackupPath);
this.fileSystem.CreateEmptyFile(metadataPath);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, majorVersion, minorVersion);
GVFSHelpers.SaveGitObjectsRoot(this.Enlistment.DotGVFSRoot, objectsRoot);
this.DehydrateShouldFail("Failed to determine local cache path from repo metadata", noStatus: true);
this.fileSystem.DeleteFile(metadataPath);
this.fileSystem.MoveFile(metadataBackupPath, metadataPath);
this.Enlistment.MountGVFS();
}
public void MountUpgradesFromPriorToPlaceholderCreationsBlockedForGit()
{
this.Enlistment.UnmountGVFS();
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, "10");
this.Enlistment.MountGVFS();
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot)
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(CurrentDiskLayoutVersion);
}
private void ValidatePersistedVersionMatchesCurrentVersion()
{
string majorVersion;
string minorVersion;
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot, out majorVersion, out minorVersion);
majorVersion
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(CurrentDiskLayoutMajorVersion, "Disk layout version should be upgraded to the latest");
minorVersion
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(CurrentDiskLayoutMinorVersion, "Disk layout version should be upgraded to the latest");
}
public void MountFailsAfterBreakingDowngrade(string mountSubfolder)
{
MountSubfolders.EnsureSubfoldersOnDisk(this.Enlistment, this.fileSystem);
this.Enlistment.UnmountGVFS();
string currentVersion = GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
int currentVersionNum;
int.TryParse(currentVersion, out currentVersionNum).ShouldEqual(true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, (currentVersionNum + 1).ToString());
this.MountShouldFail("do not allow mounting after downgrade", this.Enlistment.GetVirtualPathTo(mountSubfolder));
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, currentVersionNum.ToString());
this.Enlistment.MountGVFS();
}
public void DehydrateShouldFailOnWrongDiskLayoutVersion()
{
this.Enlistment.UnmountGVFS();
string currentVersion = GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
int currentVersionNum;
int.TryParse(currentVersion, out currentVersionNum).ShouldEqual(true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, (currentVersionNum - 1).ToString());
this.DehydrateShouldFail("disk layout version doesn't match current version", noStatus: true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, (currentVersionNum + 1).ToString());
this.DehydrateShouldFail("disk layout version doesn't match current version", noStatus: true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, currentVersionNum.ToString());
this.Enlistment.MountGVFS();
}
public void MountSucceedsUpgradingFromCommitProjectionVersionWhereProjectedCommitIdMatchesHEAD(string mountSubfolder)
{
MountSubfolders.EnsureSubfoldersOnDisk(this.Enlistment, this.fileSystem);
this.Enlistment.UnmountGVFS();
string currentVersion = GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
int currentVersionNum;
int.TryParse(currentVersion, out currentVersionNum).ShouldEqual(true);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, (ProjectGitIndexOnDiskVersion - 1).ToString());
string alwaysExcludeVirtualPath = this.Enlistment.GetVirtualPathTo(AlwaysExcludePath);
this.fileSystem.DeleteFile(alwaysExcludeVirtualPath);
this.Enlistment.MountGVFS();
this.Enlistment.UnmountGVFS();
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, currentVersionNum.ToString());
this.Enlistment.MountGVFS();
}
public void MountFailsWhenNoOnDiskVersion()
{
this.Enlistment.UnmountGVFS();
// Get the current disk layout version
string majorVersion;
string minorVersion;
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot, out majorVersion, out minorVersion);
int majorVersionNum;
int minorVersionNum;
int.TryParse(majorVersion.ShouldNotBeNull(), out majorVersionNum).ShouldEqual(true);
int.TryParse(minorVersion.ShouldNotBeNull(), out minorVersionNum).ShouldEqual(true);
// Move the RepoMetadata database to a temp file
string versionDatabasePath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
versionDatabasePath.ShouldBeAFile(this.fileSystem);
string tempDatabasePath = versionDatabasePath + "_MountFailsWhenNoOnDiskVersion";
tempDatabasePath.ShouldNotExistOnDisk(this.fileSystem);
this.fileSystem.MoveFile(versionDatabasePath, tempDatabasePath);
versionDatabasePath.ShouldNotExistOnDisk(this.fileSystem);
this.MountShouldFail("Failed to upgrade repo disk layout");
// Move the RepoMetadata database back
this.fileSystem.DeleteFile(versionDatabasePath);
this.fileSystem.MoveFile(tempDatabasePath, versionDatabasePath);
tempDatabasePath.ShouldNotExistOnDisk(this.fileSystem);
versionDatabasePath.ShouldBeAFile(this.fileSystem);
this.Enlistment.MountGVFS();
}
public void DehydrateShouldFailIfGitObjectsRootNotInMetadata()
{
this.Enlistment.UnmountGVFS();
string currentVersion = GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
string localCacheRoot = GVFSHelpers.GetPersistedLocalCacheRoot(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
string metadataPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
string metadataBackupPath = metadataPath + ".backup";
this.fileSystem.MoveFile(metadataPath, metadataBackupPath);
this.fileSystem.CreateEmptyFile(metadataPath);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, currentVersion);
GVFSHelpers.SaveLocalCacheRoot(this.Enlistment.DotGVFSRoot, localCacheRoot);
this.DehydrateShouldFail("Failed to determine git objects root from repo metadata", noStatus: true);
this.fileSystem.DeleteFile(metadataPath);
this.fileSystem.MoveFile(metadataBackupPath, metadataPath);
this.Enlistment.MountGVFS();
}
public void MountFailsWhenNoLocalCacheRootInRepoMetadata()
{
this.Enlistment.UnmountGVFS();
string currentVersion = GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
string objectsRoot = GVFSHelpers.GetPersistedGitObjectsRoot(this.Enlistment.DotGVFSRoot).ShouldNotBeNull();
string metadataPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
string metadataBackupPath = metadataPath + ".backup";
this.fileSystem.MoveFile(metadataPath, metadataBackupPath);
this.fileSystem.CreateEmptyFile(metadataPath);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, currentVersion);
GVFSHelpers.SaveGitObjectsRoot(this.Enlistment.DotGVFSRoot, objectsRoot);
this.MountShouldFail("Failed to determine local cache path from repo metadata");
this.fileSystem.DeleteFile(metadataPath);
this.fileSystem.MoveFile(metadataBackupPath, metadataPath);
this.Enlistment.MountGVFS();
}
private void RunEsentRepoMetadataUpgradeTest(string sourceVersion)
{
this.Enlistment.UnmountGVFS();
// Delete the existing repo metadata
string versionJsonPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
versionJsonPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.DeleteFile(versionJsonPath);
GVFSHelpers.SaveDiskLayoutVersionAsEsentDatabase(this.Enlistment.DotGVFSRoot, sourceVersion);
string esentDatabasePath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.EsentRepoMetadataFolder);
esentDatabasePath.ShouldBeADirectory(this.fileSystem);
// We should be able to mount, and there should no longer be any Esent Repo Metadata
this.Enlistment.MountGVFS();
esentDatabasePath.ShouldNotExistOnDisk(this.fileSystem);
versionJsonPath.ShouldBeAFile(this.fileSystem);
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot)
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(CurrentDiskLayoutVersion, "Disk layout version should be upgraded to the latest");
}
public void MountUpgradesPreSharedCacheLocalSizes()
{
this.Enlistment.UnmountGVFS();
// Delete the existing repo metadata
string versionJsonPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
versionJsonPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.DeleteFile(versionJsonPath);
// "11" was the last version before the introduction of a volume wide GVFS cache
string metadataPath = Path.Combine(this.Enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
this.fileSystem.CreateEmptyFile(metadataPath);
GVFSHelpers.SaveDiskLayoutVersion(this.Enlistment.DotGVFSRoot, "11", "0");
// Create the legacy cache location: <root>\.gvfs\gitObjectCache
string legacyGitObjectsCachePath = Path.Combine(this.Enlistment.DotGVFSRoot, "gitObjectCache");
this.fileSystem.CreateDirectory(legacyGitObjectsCachePath);
// Create a legacy PersistedDictionary sizes database
List <KeyValuePair <string, long> > entries = new List <KeyValuePair <string, long> >()
{
new KeyValuePair <string, long>(new string('0', 40), 1),
new KeyValuePair <string, long>(new string('1', 40), 2),
new KeyValuePair <string, long>(new string('2', 40), 4),
new KeyValuePair <string, long>(new string('3', 40), 8),
};
ESENTDatabase.CreateEsentBlobSizesDatabase(this.Enlistment.DotGVFSRoot, entries);
this.Enlistment.MountGVFS();
string majorVersion;
string minorVersion;
GVFSHelpers.GetPersistedDiskLayoutVersion(this.Enlistment.DotGVFSRoot, out majorVersion, out minorVersion);
majorVersion
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(CurrentDiskLayoutMajorVersion, "Disk layout version should be upgraded to the latest");
minorVersion
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(CurrentDiskLayoutMinorVersion, "Disk layout version should be upgraded to the latest");
GVFSHelpers.GetPersistedLocalCacheRoot(this.Enlistment.DotGVFSRoot)
.ShouldEqual(string.Empty, "LocalCacheRoot should be an empty string when upgrading from a version prior to 12");
GVFSHelpers.GetPersistedGitObjectsRoot(this.Enlistment.DotGVFSRoot)
.ShouldEqual(legacyGitObjectsCachePath);
string newBlobSizesRoot = Path.Combine(this.Enlistment.DotGVFSRoot, DatabasesFolderName, BlobSizesCacheName);
GVFSHelpers.GetPersistedBlobSizesRoot(this.Enlistment.DotGVFSRoot)
.ShouldEqual(newBlobSizesRoot);
string blobSizesDbPath = Path.Combine(newBlobSizesRoot, BlobSizesDBFileName);
newBlobSizesRoot.ShouldBeADirectory(this.fileSystem);
blobSizesDbPath.ShouldBeAFile(this.fileSystem);
foreach (KeyValuePair <string, long> entry in entries)
{
GVFSHelpers.SQLiteBlobSizesDatabaseHasEntry(blobSizesDbPath, entry.Key, entry.Value);
}
}
public void MountUpgradesLocalSizesToSharedCache()
{
GVFSFunctionalTestEnlistment enlistment = this.CloneAndMountEnlistment();
enlistment.UnmountGVFS();
string localCacheRoot = GVFSHelpers.GetPersistedLocalCacheRoot(enlistment.DotGVFSRoot);
string gitObjectsRoot = GVFSHelpers.GetPersistedGitObjectsRoot(enlistment.DotGVFSRoot);
// Delete the existing repo metadata
string versionJsonPath = Path.Combine(enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
versionJsonPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.DeleteFile(versionJsonPath);
// "13.0" was the last version before blob sizes were moved out of Esent
string metadataPath = Path.Combine(enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
this.fileSystem.CreateEmptyFile(metadataPath);
GVFSHelpers.SaveDiskLayoutVersion(enlistment.DotGVFSRoot, "13", "0");
GVFSHelpers.SaveLocalCacheRoot(enlistment.DotGVFSRoot, localCacheRoot);
GVFSHelpers.SaveGitObjectsRoot(enlistment.DotGVFSRoot, gitObjectsRoot);
// Create a legacy PersistedDictionary sizes database
List <KeyValuePair <string, long> > entries = new List <KeyValuePair <string, long> >()
{
new KeyValuePair <string, long>(new string('0', 40), 1),
new KeyValuePair <string, long>(new string('1', 40), 2),
new KeyValuePair <string, long>(new string('2', 40), 4),
new KeyValuePair <string, long>(new string('3', 40), 8),
};
GVFSHelpers.CreateEsentBlobSizesDatabase(enlistment.DotGVFSRoot, entries);
enlistment.MountGVFS();
string majorVersion;
string minorVersion;
GVFSHelpers.GetPersistedDiskLayoutVersion(enlistment.DotGVFSRoot, out majorVersion, out minorVersion);
majorVersion
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(DiskLayoutUpgradeTests.CurrentDiskLayoutMajorVersion, "Disk layout version should be upgraded to the latest");
minorVersion
.ShouldBeAnInt("Disk layout version should always be an int")
.ShouldEqual(DiskLayoutUpgradeTests.CurrentDiskLayoutMinorVersion, "Disk layout version should be upgraded to the latest");
string newBlobSizesRoot = Path.Combine(Path.GetDirectoryName(gitObjectsRoot), DiskLayoutUpgradeTests.BlobSizesCacheName);
GVFSHelpers.GetPersistedBlobSizesRoot(enlistment.DotGVFSRoot)
.ShouldEqual(newBlobSizesRoot);
string blobSizesDbPath = Path.Combine(newBlobSizesRoot, DiskLayoutUpgradeTests.BlobSizesDBFileName);
newBlobSizesRoot.ShouldBeADirectory(this.fileSystem);
blobSizesDbPath.ShouldBeAFile(this.fileSystem);
foreach (KeyValuePair <string, long> entry in entries)
{
GVFSHelpers.SQLiteBlobSizesDatabaseHasEntry(blobSizesDbPath, entry.Key, entry.Value);
}
// Upgrade a second repo, and make sure all sizes from both upgrades are in the shared database
GVFSFunctionalTestEnlistment enlistment2 = this.CloneAndMountEnlistment();
enlistment2.UnmountGVFS();
// Delete the existing repo metadata
versionJsonPath = Path.Combine(enlistment2.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
versionJsonPath.ShouldBeAFile(this.fileSystem);
this.fileSystem.DeleteFile(versionJsonPath);
// "13.0" was the last version before blob sizes were moved out of Esent
metadataPath = Path.Combine(enlistment2.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
this.fileSystem.CreateEmptyFile(metadataPath);
GVFSHelpers.SaveDiskLayoutVersion(enlistment2.DotGVFSRoot, "13", "0");
GVFSHelpers.SaveLocalCacheRoot(enlistment2.DotGVFSRoot, localCacheRoot);
GVFSHelpers.SaveGitObjectsRoot(enlistment2.DotGVFSRoot, gitObjectsRoot);
// Create a legacy PersistedDictionary sizes database
List <KeyValuePair <string, long> > additionalEntries = new List <KeyValuePair <string, long> >()
{
new KeyValuePair <string, long>(new string('4', 40), 16),
new KeyValuePair <string, long>(new string('5', 40), 32),
new KeyValuePair <string, long>(new string('6', 40), 64),
};
GVFSHelpers.CreateEsentBlobSizesDatabase(enlistment2.DotGVFSRoot, additionalEntries);
enlistment2.MountGVFS();
foreach (KeyValuePair <string, long> entry in entries)
{
GVFSHelpers.SQLiteBlobSizesDatabaseHasEntry(blobSizesDbPath, entry.Key, entry.Value);
}
foreach (KeyValuePair <string, long> entry in additionalEntries)
{
GVFSHelpers.SQLiteBlobSizesDatabaseHasEntry(blobSizesDbPath, entry.Key, entry.Value);
}
}
