private async Task <Possible <FullCacheRecordWithDeterminism, Failure> > AddToCache(ICacheSession session, params string[] thePaths)
{
WeakFingerprintHash weak = FakeStrongFingerprint.CreateWeak(session.CacheId);
CasHash casHash = await AddPathSet(session, thePaths);
Hash simpleHash = FakeStrongFingerprint.CreateHash(session.CacheSessionId);
return(await session.AddOrGetAsync(weak, casHash, simpleHash, CasEntries.FromCasHashes(casHash)));
}
public async Task NoItemFingerprint()
{
const string TestName = nameof(NoItemFingerprint);
string testCacheId = MakeCacheId(TestName);
ICache cache = await CreateCacheAsync(testCacheId);
// Now for the session (which we base on the cache ID)
string testSessionId = "Session1-" + testCacheId;
ICacheSession session = await CreateSessionAsync(cache, testSessionId);
// Note that we will be making a new fingerprint with a CasHash of NoItem
// without pre-sending it as NoItem is a special case - it is nothing
FullCacheRecord record = await FakeBuild.DoPipAsync(session, TestName);
// We place this in and did not pin the NoItem yet or even send it around
// Note that this also is doing a zero-length CasEntries
var strong = new StrongFingerprint(record.StrongFingerprint.WeakFingerprint, CasHash.NoItem, new Hash(FingerprintUtilities.ZeroFingerprint), TestName);
FullCacheRecordWithDeterminism oldRecord = (await session.AddOrGetAsync(
strong.WeakFingerprint,
strong.CasElement,
strong.HashElement,
CasEntries.FromCasHashes())).Success("Should work even though I did not pin CasHash.NoItem, instead it failed with {0}");
XAssert.IsNull(oldRecord.Record, "Should have been the first one like this");
var result = await session.GetCacheEntryAsync(strong).SuccessAsync();
XAssert.AreEqual(0, result.Count, "We should have gotten a zero-length CasEntries");
// We place this in and did not pin the NoItem yet or even send it around
// Note that this does an array of NoItem CasEntries and use the
// record.CasElement as the weak fingerprint
CasHash[] empties = { CasHash.NoItem, CasHash.NoItem, CasHash.NoItem };
strong = new StrongFingerprint(new WeakFingerprintHash(strong.CasElement.ToFingerprint()), CasHash.NoItem, new Hash(FingerprintUtilities.ZeroFingerprint), TestName);
oldRecord = (await session.AddOrGetAsync(
strong.WeakFingerprint,
CasHash.NoItem,
new Hash(FingerprintUtilities.ZeroFingerprint),
empties)).Success("Should work even though I did not pin CasHash.NoItem, instead it failed with {0}");
XAssert.IsNull(oldRecord.Record, "Should have been the first one like this");
result = await session.GetCacheEntryAsync(strong).SuccessAsync();
XAssert.AreEqual(empties, result, "We should have gotten the set of empties");
await CloseSessionAsync(session, testSessionId);
await ShutdownCacheAsync(cache, testCacheId);
}
