public async Task TestGcPrefix()
{
string cacheConfig = TestType.NewCache(nameof(TestGcPrefix), true);
BasicFilesystemCache cache = (await InitializeCacheAsync(cacheConfig).SuccessAsync()) as BasicFilesystemCache;
XAssert.IsNotNull(cache, "Failed to create cache for GC tests!");
PipDefinition[] pips =
{
new PipDefinition("Pip1", pipSize: 3),
new PipDefinition("Pip2", pipSize: 4),
new PipDefinition("Pip3", pipSize: 5)
};
// First, lets filter the GC to only do one of the files.
CacheEntries files = await BuildPipsAndGetCacheEntries(cache, "Build", pips);
cache.DeleteSession("Build");
for (int i = 1; i < 4; i++)
{
files.AgeAll();
string targetFile = files.FingerprintFiles.Keys.First();
// Get the shard directory of the weak fingerprint
string prefix = Path.GetFileName(Path.GetDirectoryName(Path.GetDirectoryName(targetFile)));
XAssert.AreEqual(3, prefix.Length);
m_output.WriteLine("GC Prefix: [{0}]", prefix);
var stats = cache.CollectUnreferencedFingerprints(m_output, prefixFilter: prefix.Substring(0, i));
XAssert.IsFalse(File.Exists(targetFile), "Should have moved this one to pending");
BasicFilesystemCache.UndoPendingDelete(targetFile);
files.AssertExists();
}
AssertSuccess(await cache.ShutdownAsync());
}
