public void ObservedFileNamesNormalizedTheSameWayInPathsetAndJsonFingerprinter()
        {
            // This test is guarding codesync between JsonFingerprinter.cs and ObservedPathSet.cs
            var fileNames = new string[] { "a", "b", "C" };
            var pathTable = new PathTable();
            var pathSet   = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                observedAccessedFileNames: fileNames,
                X("/X/a/b/c"));

            var roundtrip = SerializeRoundTripAndAssertEquivalent(pathTable, pathSet);

            var sb = new StringBuilder();

            using (var writer = new global::BuildXL.Engine.Cache.JsonFingerprinter(sb, pathTable: pathTable))
            {
                writer.AddCollection <StringId, StringId[]>(
                    "fileNames",
                    fileNames.Select(fn => StringId.Create(pathTable.StringTable, fn)).ToArray(),
                    (w, e) => w.AddFileName(e));
            }

            var fpOutput = sb.ToString();

            XAssert.IsTrue(roundtrip.ObservedAccessedFileNames.All(fileName => fpOutput.Contains($"\"{fileName.ToString(pathTable.StringTable)}\"")));
        }
Beispiel #2
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        public void RoundTripSerializationEmpty()
        {
            var pathTable = new PathTable();
            var pathSet   = ObservedPathSetTestUtilities.CreatePathSet(pathTable, new string[0]);

            var roundtrip = SerializeRoundTripAndAssertEquivalent(pathTable, pathSet);

            XAssert.AreEqual(0, roundtrip.Paths.Length);
        }
        [Trait("Category", "WindowsOSOnly")] // Paths are case-sensitive on Linux-based systems.
        public void RoundTripSerializationNormalizesCasingAndRemovesDuplicatesInObservedAccessedFileNames()
        {
            var pathTable = new PathTable();
            var pathSet   = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                observedAccessedFileNames: new string[] { "d", "D", "f" },
                X("/X/a/b/c"));

            var roundtrip = SerializeRoundTripAndAssertEquivalent(pathTable, pathSet);

            ObservedPathSetTestUtilities.AssertPathSetContainsDuplicates(pathSet);
            ObservedPathSetTestUtilities.AssertPathSetDoesNotContainDuplicates(roundtrip);
        }
Beispiel #4
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        public void RoundTripSerializationRemovesDuplicatesWithUnrelatedPaths()
        {
            var pathTable = new PathTable();
            var pathSet   = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                X("/X/a/b/c"),
                X("/X/a/b/c"),
                X("/Y/d/e/f"),
                X("/Y/d/e/f"));

            var roundtrip = SerializeRoundTripAndAssertEquivalent(pathTable, pathSet);

            ObservedPathSetTestUtilities.AssertPathSetContainsDuplicates(pathSet);
            ObservedPathSetTestUtilities.AssertPathSetDoesNotContainDuplicates(roundtrip);
        }
Beispiel #5
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        public void NoCompression()
        {
            var pathTable = new PathTable();

            // No compression since no prefix is shared.
            var pathSet = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                X("/X/a/b"),
                X("/Y/a/b"));

            AssertCompressedSizeExpected(
                pathTable,
                pathSet,
                X("/X/a/b"),
                X("/Y/a/b"));
        }
Beispiel #6
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        public void PrefixCompressionWithinComponents()
        {
            var pathTable = new PathTable();

            // No compression since no prefix is shared.
            var pathSet = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                X("/X/abcdef"),
                X("/X/abcxyz/123"),
                X("/X/abcxyz/123456"));

            AssertCompressedSizeExpected(
                pathTable,
                pathSet,
                X("/X/abcdef"),
                $"xyz{Path.DirectorySeparatorChar}123",
                "456");
        }
        public void ProjectPathSet()
        {
            var pathTable = new PathTable();

            AbsolutePath firstPath  = AbsolutePath.Create(pathTable, X("/X/bar"));
            AbsolutePath secondPath = AbsolutePath.Create(pathTable, X("/X/foo"));

            var p = CreateResult(
                pathTable,
                ObservedInput.CreateFileContentRead(firstPath, ContentHashingUtilities.EmptyHash),
                ObservedInput.CreateFileContentRead(secondPath, ContentHashingUtilities.EmptyHash));

            ObservedPathSet projected = p.GetPathSet(unsafeOptions: null);

            ObservedPathSetTestUtilities.AssertPathSetsEquivalent(
                projected,
                ObservedPathSetTestUtilities.CreatePathSet(pathTable, firstPath, secondPath));
        }
Beispiel #8
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        public async Task TokenizedPathSet()
        {
            var pathTable = new PathTable();

            var pathExpanderA = new MountPathExpander(pathTable);

            AddMount(pathExpanderA, pathTable, AbsolutePath.Create(pathTable, X("/x/users/AUser")), "UserProfile", isSystem: true);
            AddMount(pathExpanderA, pathTable, AbsolutePath.Create(pathTable, X("/x/windows")), "Windows", isSystem: true);
            AddMount(pathExpanderA, pathTable, AbsolutePath.Create(pathTable, X("/x/test")), "TestRoot", isSystem: false);

            var pathSetA = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                X("/x/abc"),
                X("/x/users/AUser/def"),
                X("/x/windows"),
                X("/x/test/abc"));

            ObservedPathSet roundtripA = SerializeRoundTripAndAssertEquivalent(pathTable, pathSetA);

            XAssert.AreEqual(4, roundtripA.Paths.Length);

            ContentHash pathSetHashA = await pathSetA.ToContentHash(pathTable, pathExpanderA);

            var pathExpanderB = new MountPathExpander(pathTable);

            AddMount(pathExpanderB, pathTable, AbsolutePath.Create(pathTable, X("/y/users/BUser")), "UserProfile", isSystem: true);
            AddMount(pathExpanderB, pathTable, AbsolutePath.Create(pathTable, X("/y/windows")), "Windows", isSystem: true);
            AddMount(pathExpanderB, pathTable, AbsolutePath.Create(pathTable, X("/y/abc/test")), "TestRoot", isSystem: false);

            var pathSetB = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                X("/x/abc"),
                X("/y/users/BUser/def"),
                X("/y/windows"),
                X("/y/abc/test/abc"));

            ObservedPathSet roundtripB = SerializeRoundTripAndAssertEquivalent(pathTable, pathSetB);

            XAssert.AreEqual(4, roundtripB.Paths.Length);

            ContentHash pathSetHashB = await pathSetB.ToContentHash(pathTable, pathExpanderB);

            AssertTrue(pathSetHashA == pathSetHashB);
        }
Beispiel #9
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        private static void AssertCompressedSizeExpected(PathTable pathTable, ObservedPathSet pathSet, params string[] uncompressedStrings)
        {
            long compressedSize = GetSizeOfSerializedContent(writer => pathSet.Serialize(pathTable, writer));

            int numberOfUniquePaths = ObservedPathSetTestUtilities.RemoveDuplicates(pathSet).Count;

            // This is correct assuming the following:
            // - Each string can be represented with a one byte length prefix, and a one byte reuse-count.
            // - The number of strings can be represented in one byte.
            // - Each character takes one byte when UTF8 encoded.
            long expectedCompressedSize =
                GetSizeOfSerializedContent(writer => pathSet.UnsafeOptions.Serialize(writer)) +
                1 +                         // The number of observed accesses file names (0)
                1 +                         // String count
                (3 * numberOfUniquePaths) + // Length isSearchPath, isDirectoryPath, and reuse
                uncompressedStrings.Sum(s => s.Length);

            XAssert.AreEqual(expectedCompressedSize, compressedSize, "Wrong size for compressed path-set");
        }
Beispiel #10
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        public void RoundTripSerializationOfPathsWithUnicodeChars()
        {
            var pathTable = new PathTable();

            var mpe = new global::BuildXL.Engine.MountPathExpander(pathTable);

            mpe.Add(
                pathTable,
                new global::BuildXL.Pips.SemanticPathInfo(
                    PathAtom.Create(pathTable.StringTable, "xcode"),
                    AbsolutePath.Create(pathTable, X("/c/Applications")),
                    false, true, true, false, false, false));

            var pathSet = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                X("/c/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/DeviceTypes/iPhone Xʀ.simdevicetype"),
                X("/c/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/DeviceTypes/iPhone Xʀ.simdevicetype/Contents"));

            SerializeRoundTripAndAssertEquivalent(pathTable, pathSet, mpe);
        }
Beispiel #11
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        public void PrefixCompressionWithReset()
        {
            var pathTable = new PathTable();

            // No compression since no prefix is shared.
            var pathSet = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                X("/X/abc"),
                X("/X/abc/def"),
                X("/Y/abc"),
                X("/Y/abc/def"));

            AssertCompressedSizeExpected(
                pathTable,
                pathSet,
                X("/X/abc"),
                $"{Path.DirectorySeparatorChar}def",
                X("/Y/abc"),
                $"{Path.DirectorySeparatorChar}def");
        }
Beispiel #12
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        public void PrefixCompressionTrivial()
        {
            var pathTable = new PathTable();

            // No compression since no prefix is shared.
            var pathSet = ObservedPathSetTestUtilities.CreatePathSet(
                pathTable,
                X("/X/a"),
                X("/X/a/b"),
                X("/X/a/b/c"),
                X("/X/a/b/c/d"));

            AssertCompressedSizeExpected(
                pathTable,
                pathSet,
                X("/X/a"),
                $"{Path.DirectorySeparatorChar}b",
                $"{Path.DirectorySeparatorChar}c",
                $"{Path.DirectorySeparatorChar}d");
        }
Beispiel #13
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        private static ObservedPathSet SerializeRoundTripAndAssertEquivalent(PathTable pathTable, ObservedPathSet original, PathExpander pathExpander = null)
        {
            using (var mem = new MemoryStream())
            {
                using (var writer = new BuildXLWriter(stream: mem, debug: true, leaveOpen: true, logStats: true))
                {
                    original.Serialize(pathTable, writer, pathExpander);
                }

                mem.Position = 0;

                ObservedPathSet roundtrip;
                using (var reader = new BuildXLReader(stream: mem, debug: true, leaveOpen: true))
                {
                    var maybeRoundtrip = ObservedPathSet.TryDeserialize(pathTable, reader, pathExpander);
                    XAssert.IsTrue(maybeRoundtrip.Succeeded, "Failed to deserialize a path set unexpectedly");
                    roundtrip = maybeRoundtrip.Result;
                }

                ObservedPathSetTestUtilities.AssertPathSetsEquivalent(original, roundtrip);
                return(roundtrip);
            }
        }
Beispiel #14
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        public async Task TestHistoricMetadataPathStringRoundtrip()
        {
            LoggingContext loggingContext = CreateLoggingContextForTest();

            PipExecutionContext   context;
            HistoricMetadataCache cache = null;
            var hmcFolderName           = "hmc";

            for (int i = 0; i < 3; i++)
            {
                CreateHistoricCache(loggingContext, hmcFolderName, out context, out cache, out var memoryArtifactCache);

                var process1 = SchedulerTest.CreateDummyProcess(context, new PipId(1));
                var process2 = SchedulerTest.CreateDummyProcess(context, new PipId(2));

                var pathTable = context.PathTable;

                // Add some random paths to ensure path table indices are different after loading
                AbsolutePath.Create(pathTable, X("/H/aslj/sfas/832.stxt"));
                AbsolutePath.Create(pathTable, X("/R/f/s/Historic"));
                AbsolutePath.Create(pathTable, X("/M/hgf/sf4as/83afsd"));
                AbsolutePath.Create(pathTable, X("/Z/bd/sfas/Cache"));

                var abPath1 = AbsolutePath.Create(pathTable, X("/H/aslj/sfas/p1OUT.bin"));
                var abPath2 = AbsolutePath.Create(pathTable, X("/H/aslj/sfas/P2.txt"));

                var pathSet1 = ObservedPathSetTestUtilities.CreatePathSet(
                    pathTable,
                    X("/X/a/b/c"),
                    X("/X/d/e"),
                    X("/X/a/b/c/d"));

                PipCacheDescriptorV2Metadata metadata1 =
                    new PipCacheDescriptorV2Metadata
                {
                    StaticOutputHashes = new List <AbsolutePathFileMaterializationInfo>
                    {
                        new AbsolutePathFileMaterializationInfo
                        {
                            AbsolutePath = abPath1.GetName(pathTable).ToString(context.StringTable),
                            Info         = new BondFileMaterializationInfo {
                                FileName = "p1OUT.bin"
                            }
                        }
                    }
                };

                var storedPathSet1 = await cache.TryStorePathSetAsync(pathSet1, preservePathCasing : false);

                var storedMetadata1 = await cache.TryStoreMetadataAsync(metadata1);

                var weakFingerprint1   = new WeakContentFingerprint(FingerprintUtilities.CreateRandom());
                var strongFingerprint1 = new StrongContentFingerprint(FingerprintUtilities.CreateRandom());

                var cacheEntry = new CacheEntry(storedMetadata1.Result, nameof(HistoricMetadataCacheTests), ArrayView <ContentHash> .Empty);

                var publishedCacheEntry = await cache.TryPublishCacheEntryAsync(process1, weakFingerprint1, storedPathSet1.Result, strongFingerprint1, cacheEntry);

                var pathSet2 = ObservedPathSetTestUtilities.CreatePathSet(
                    pathTable,
                    X("/F/a/y/c"),
                    X("/B/d/e"),
                    X("/G/a/z/c/d"),
                    X("/B/a/b/c"));

                PipCacheDescriptorV2Metadata metadata2 =
                    new PipCacheDescriptorV2Metadata
                {
                    StaticOutputHashes = new List <AbsolutePathFileMaterializationInfo>
                    {
                        new AbsolutePathFileMaterializationInfo
                        {
                            AbsolutePath = abPath2.ToString(pathTable),
                            Info         = new BondFileMaterializationInfo {
                                FileName = abPath2.GetName(pathTable).ToString(context.StringTable)
                            }
                        }
                    },
                    DynamicOutputs = new List <List <RelativePathFileMaterializationInfo> >
                    {
                        new List <RelativePathFileMaterializationInfo>
                        {
                            new RelativePathFileMaterializationInfo
                            {
                                RelativePath = @"dir\P2Dynamic.txt",
                                Info         = new BondFileMaterializationInfo {
                                    FileName = "p2dynamic.txt"
                                }
                            },
                            new RelativePathFileMaterializationInfo
                            {
                                RelativePath = @"dir\P2dynout2.txt",
                                Info         = new BondFileMaterializationInfo {
                                    FileName = null
                                }
                            }
                        }
                    }
                };

                var storedPathSet2 = await cache.TryStorePathSetAsync(pathSet2, preservePathCasing : false);

                var storedMetadata2 = await cache.TryStoreMetadataAsync(metadata2);

                var cacheEntry2 = new CacheEntry(storedMetadata2.Result, nameof(HistoricMetadataCacheTests), ArrayView <ContentHash> .Empty);

                var strongFingerprint2 = new StrongContentFingerprint(FingerprintUtilities.CreateRandom());

                var publishedCacheEntry2 = await cache.TryPublishCacheEntryAsync(process1, weakFingerprint1, storedPathSet2.Result, strongFingerprint2, cacheEntry2);

                await cache.CloseAsync();

                memoryArtifactCache.Clear();

                PipExecutionContext   loadedContext;
                HistoricMetadataCache loadedCache;

                TaskSourceSlim <bool> loadCompletionSource = TaskSourceSlim.Create <bool>();
                TaskSourceSlim <bool> loadCalled           = TaskSourceSlim.Create <bool>();
                BoxRef <bool>         calledLoad           = new BoxRef <bool>();
                CreateHistoricCache(loggingContext, "hmc", out loadedContext, out loadedCache, out memoryArtifactCache, loadTask: async hmc =>
                {
                    loadCalled.SetResult(true);
                    await loadCompletionSource.Task;
                });

                var operationContext      = OperationContext.CreateUntracked(loggingContext);
                var retrievePathSet1Task  = loadedCache.TryRetrievePathSetAsync(operationContext, WeakContentFingerprint.Zero, storedPathSet1.Result);
                var retrievdMetadata1Task = loadedCache.TryRetrieveMetadataAsync(
                    process1,
                    WeakContentFingerprint.Zero,
                    StrongContentFingerprint.Zero,
                    storedMetadata1.Result,
                    storedPathSet1.Result);

                var getCacheEntry1Task = loadedCache.TryGetCacheEntryAsync(
                    process1,
                    weakFingerprint1,
                    storedPathSet1.Result,
                    strongFingerprint1);

                Assert.False(retrievePathSet1Task.IsCompleted, "Before load task completes. TryRetrievePathSetAsync operations should block");
                Assert.False(retrievdMetadata1Task.IsCompleted, "Before load task completes. TryRetrieveMetadataAsync operations should block");
                Assert.False(getCacheEntry1Task.IsCompleted, "Before load task completes. TryGetCacheEntryAsync operations should block");

                Assert.True(loadCalled.Task.Wait(TimeSpan.FromSeconds(10)) && loadCalled.Task.Result, "Load should have been called in as a result of querying");
                loadCompletionSource.SetResult(true);

                var maybeLoadedPathSet1    = await retrievePathSet1Task;
                var maybeLoadedMetadata1   = await retrievdMetadata1Task;
                var maybeLoadedCacheEntry1 = await getCacheEntry1Task;

                Assert.Equal(storedMetadata1.Result, maybeLoadedCacheEntry1.Result.Value.MetadataHash);

                var maybeLoadedPathSet2 = await loadedCache.TryRetrievePathSetAsync(operationContext, WeakContentFingerprint.Zero, storedPathSet2.Result);

                var maybeLoadedMetadata2 = await loadedCache.TryRetrieveMetadataAsync(
                    process2,
                    WeakContentFingerprint.Zero,
                    StrongContentFingerprint.Zero,
                    storedMetadata2.Result,
                    storedPathSet2.Result);

                AssertPathSetEquals(pathTable, pathSet1, loadedContext.PathTable, maybeLoadedPathSet1.Result);
                AssertPathSetEquals(pathTable, pathSet2, loadedContext.PathTable, maybeLoadedPathSet2.Result);
                AssertMetadataEquals(metadata1, maybeLoadedMetadata1.Result);
                AssertMetadataEquals(metadata2, maybeLoadedMetadata2.Result);

                await loadedCache.CloseAsync();
            }
        }