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-rw-r--r--llvm/unittests/CAS/ObjectStoreTest.cpp134
1 files changed, 121 insertions, 13 deletions
diff --git a/llvm/unittests/CAS/ObjectStoreTest.cpp b/llvm/unittests/CAS/ObjectStoreTest.cpp
index 54083fd..b43ae33 100644
--- a/llvm/unittests/CAS/ObjectStoreTest.cpp
+++ b/llvm/unittests/CAS/ObjectStoreTest.cpp
@@ -1,4 +1,4 @@
-//===- ObjectStoreTest.cpp ------------------------------------------------===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
@@ -76,7 +76,7 @@ multiline text multiline text multiline text multiline text multiline text)",
// Run validation on all CASIDs.
for (int I = 0, E = IDs.size(); I != E; ++I)
- ASSERT_THAT_ERROR(CAS1->validate(IDs[I]), Succeeded());
+ ASSERT_THAT_ERROR(CAS1->validateObject(IDs[I]), Succeeded());
// Check that the blobs can be retrieved multiple times.
for (int I = 0, E = IDs.size(); I != E; ++I) {
@@ -120,15 +120,15 @@ TEST_P(CASTest, BlobsBig) {
std::optional<CASID> ID2;
ASSERT_THAT_ERROR(CAS->createProxy({}, String1).moveInto(ID1), Succeeded());
ASSERT_THAT_ERROR(CAS->createProxy({}, String1).moveInto(ID2), Succeeded());
- ASSERT_THAT_ERROR(CAS->validate(*ID1), Succeeded());
- ASSERT_THAT_ERROR(CAS->validate(*ID2), Succeeded());
+ ASSERT_THAT_ERROR(CAS->validateObject(*ID1), Succeeded());
+ ASSERT_THAT_ERROR(CAS->validateObject(*ID2), Succeeded());
ASSERT_EQ(ID1, ID2);
String1.append(String2);
ASSERT_THAT_ERROR(CAS->createProxy({}, String2).moveInto(ID1), Succeeded());
ASSERT_THAT_ERROR(CAS->createProxy({}, String2).moveInto(ID2), Succeeded());
- ASSERT_THAT_ERROR(CAS->validate(*ID1), Succeeded());
- ASSERT_THAT_ERROR(CAS->validate(*ID2), Succeeded());
+ ASSERT_THAT_ERROR(CAS->validateObject(*ID1), Succeeded());
+ ASSERT_THAT_ERROR(CAS->validateObject(*ID2), Succeeded());
ASSERT_EQ(ID1, ID2);
String2.append(String1);
}
@@ -176,10 +176,11 @@ multiline text multiline text multiline text multiline text multiline text)",
// Check basic printing of IDs.
IDs.push_back(CAS1->getID(*Node));
- auto ID = CAS1->getID(Nodes.back());
- EXPECT_EQ(ID.toString(), IDs.back().toString());
- EXPECT_EQ(*Node, Nodes.back());
- EXPECT_EQ(ID, IDs.back());
+ EXPECT_EQ(IDs.back().toString(), IDs.back().toString());
+ EXPECT_EQ(Nodes.front(), Nodes.front());
+ EXPECT_EQ(Nodes.back(), Nodes.back());
+ EXPECT_EQ(IDs.front(), IDs.front());
+ EXPECT_EQ(IDs.back(), IDs.back());
if (Nodes.size() <= 1)
continue;
EXPECT_NE(Nodes.front(), Nodes.back());
@@ -266,7 +267,7 @@ TEST_P(CASTest, NodesBig) {
}
for (auto ID : CreatedNodes)
- ASSERT_THAT_ERROR(CAS->validate(CAS->getID(ID)), Succeeded());
+ ASSERT_THAT_ERROR(CAS->validateObject(CAS->getID(ID)), Succeeded());
}
#if LLVM_ENABLE_THREADS
@@ -332,17 +333,124 @@ static void testBlobsParallel1(ObjectStore &CAS, uint64_t BlobSize) {
}
TEST_P(CASTest, BlobsParallel) {
- std::shared_ptr<ObjectStore> CAS = createObjectStore();
+ std::unique_ptr<ObjectStore> CAS = createObjectStore();
uint64_t Size = 1ULL * 1024;
ASSERT_NO_FATAL_FAILURE(testBlobsParallel1(*CAS, Size));
}
#ifdef EXPENSIVE_CHECKS
TEST_P(CASTest, BlobsBigParallel) {
- std::shared_ptr<ObjectStore> CAS = createObjectStore();
+ std::unique_ptr<ObjectStore> CAS = createObjectStore();
// 100k is large enough to be standalone files in our on-disk cas.
uint64_t Size = 100ULL * 1024;
ASSERT_NO_FATAL_FAILURE(testBlobsParallel1(*CAS, Size));
}
#endif // EXPENSIVE_CHECKS
+
+#ifndef _WIN32 // create_link won't work for directories on Windows
+TEST_F(OnDiskCASTest, OnDiskCASBlobsParallelMultiCAS) {
+ // This test intentionally uses symlinked paths to the same CAS to subvert the
+ // shared memory mappings that would normally be created within a single
+ // process. This breaks the lock file guarantees, so we must be careful not
+ // to create or destroy the CAS objects concurrently, which is when the locks
+ // are normally important.
+ unittest::TempDir Temp("on-disk-cas", /*Unique=*/true);
+ ASSERT_EQ(sys::fs::create_directory(Temp.path("real_cas")),
+ std::error_code());
+ ASSERT_EQ(sys::fs::create_link("real_cas", Temp.path("sym_cas1")),
+ std::error_code());
+ ASSERT_EQ(sys::fs::create_link("real_cas", Temp.path("sym_cas2")),
+ std::error_code());
+ ASSERT_EQ(sys::fs::create_link("real_cas", Temp.path("sym_cas3")),
+ std::error_code());
+
+ std::unique_ptr<ObjectStore> CAS1, CAS2, CAS3, CAS4;
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path("real_cas")).moveInto(CAS1),
+ Succeeded());
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path("sym_cas1")).moveInto(CAS2),
+ Succeeded());
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path("sym_cas2")).moveInto(CAS3),
+ Succeeded());
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path("sym_cas3")).moveInto(CAS4),
+ Succeeded());
+
+ uint64_t Size = 1ULL * 1024;
+ ASSERT_NO_FATAL_FAILURE(testBlobsParallel(*CAS1, *CAS2, *CAS3, *CAS4, Size));
+}
+
+TEST_F(OnDiskCASTest, OnDiskCASBlobsBigParallelMultiCAS) {
+ // See comment in BlobsParallelMultiCAS.
+ unittest::TempDir Temp("on-disk-cas", /*Unique=*/true);
+ ASSERT_EQ(sys::fs::create_directory(Temp.path("real_cas")),
+ std::error_code());
+ ASSERT_EQ(sys::fs::create_link("real_cas", Temp.path("sym_cas1")),
+ std::error_code());
+ ASSERT_EQ(sys::fs::create_link("real_cas", Temp.path("sym_cas2")),
+ std::error_code());
+ ASSERT_EQ(sys::fs::create_link("real_cas", Temp.path("sym_cas3")),
+ std::error_code());
+
+ std::unique_ptr<ObjectStore> CAS1, CAS2, CAS3, CAS4;
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path("real_cas")).moveInto(CAS1),
+ Succeeded());
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path("sym_cas1")).moveInto(CAS2),
+ Succeeded());
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path("sym_cas2")).moveInto(CAS3),
+ Succeeded());
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path("sym_cas3")).moveInto(CAS4),
+ Succeeded());
+
+ // 100k is large enough to be standalone files in our on-disk cas.
+ uint64_t Size = 100ULL * 1024;
+ ASSERT_NO_FATAL_FAILURE(testBlobsParallel(*CAS1, *CAS2, *CAS3, *CAS4, Size));
+}
+#endif // _WIN32
#endif // LLVM_ENABLE_THREADS
+
+TEST_F(OnDiskCASTest, OnDiskCASDiskSize) {
+ unittest::TempDir Temp("on-disk-cas", /*Unique=*/true);
+ std::unique_ptr<ObjectStore> CAS;
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path()).moveInto(CAS), Succeeded());
+
+ uint64_t MaxSize = 100 * 1024 * 1024;
+
+ // Check that we map the files to the correct size.
+ auto CheckFileSizes = [&](bool Mapped) {
+ bool FoundIndex = false, FoundData = false;
+ std::error_code EC;
+ for (sys::fs::directory_iterator I(Temp.path(), EC), E; I != E && !EC;
+ I.increment(EC)) {
+ StringRef Filename = sys::path::filename(I->path());
+ if (Filename.starts_with("index.") && !Filename.ends_with(".shared")) {
+ FoundIndex = true;
+ ASSERT_TRUE(I->status());
+ if (Mapped)
+ EXPECT_EQ(I->status()->getSize(), MaxSize);
+ else
+ EXPECT_LT(I->status()->getSize(), MaxSize);
+ }
+ if (Filename.starts_with("data.") && !Filename.ends_with(".shared")) {
+ FoundData = true;
+ ASSERT_TRUE(I->status());
+ if (Mapped)
+ EXPECT_EQ(I->status()->getSize(), MaxSize);
+ else
+ EXPECT_LT(I->status()->getSize(), MaxSize);
+ }
+ }
+ ASSERT_TRUE(FoundIndex);
+ ASSERT_TRUE(FoundData);
+ };
+
+ // Check that we have the full mapping size when the CAS is open.
+ CheckFileSizes(/*Mapped=*/true);
+ CAS.reset();
+ // Check that the CAS is shrunk to a smaller size.
+ CheckFileSizes(/*Mapped=*/false);
+
+ // Repeat the checks when starting from an existing CAS.
+ ASSERT_THAT_ERROR(createOnDiskCAS(Temp.path()).moveInto(CAS), Succeeded());
+ CheckFileSizes(/*Mapped=*/true);
+ CAS.reset();
+ CheckFileSizes(/*Mapped=*/false);
+}
generated by cgit v1.1 at 2025-11-04 08:00:53 +0000