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//===- ActionCacheTest.cpp ------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/CAS/ActionCache.h"
#include "CASTestConfig.h"
#include "llvm/CAS/ObjectStore.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Testing/Support/Error.h"
#include "llvm/Testing/Support/SupportHelpers.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::cas;
TEST_P(CASTest, ActionCacheHit) {
std::shared_ptr<ObjectStore> CAS = createObjectStore();
std::unique_ptr<ActionCache> Cache = createActionCache();
std::optional<ObjectProxy> ID;
ASSERT_THAT_ERROR(CAS->createProxy(std::nullopt, "1").moveInto(ID),
Succeeded());
std::optional<CASID> ResultID;
ASSERT_THAT_ERROR(Cache->put(*ID, *ID), Succeeded());
ASSERT_THAT_ERROR(Cache->get(*ID).moveInto(ResultID), Succeeded());
ASSERT_TRUE(ResultID);
std::optional<ObjectRef> Result = CAS->getReference(*ResultID);
ASSERT_TRUE(Result);
ASSERT_EQ(*ID, *Result);
}
TEST_P(CASTest, ActionCacheMiss) {
std::shared_ptr<ObjectStore> CAS = createObjectStore();
std::unique_ptr<ActionCache> Cache = createActionCache();
std::optional<ObjectProxy> ID1, ID2;
ASSERT_THAT_ERROR(CAS->createProxy(std::nullopt, "1").moveInto(ID1),
Succeeded());
ASSERT_THAT_ERROR(CAS->createProxy(std::nullopt, "2").moveInto(ID2),
Succeeded());
ASSERT_THAT_ERROR(Cache->put(*ID1, *ID2), Succeeded());
// This is a cache miss for looking up a key doesn't exist.
std::optional<CASID> Result1;
ASSERT_THAT_ERROR(Cache->get(*ID2).moveInto(Result1), Succeeded());
ASSERT_FALSE(Result1);
ASSERT_THAT_ERROR(Cache->put(*ID2, *ID1), Succeeded());
// Cache hit after adding the value.
std::optional<CASID> Result2;
ASSERT_THAT_ERROR(Cache->get(*ID2).moveInto(Result2), Succeeded());
ASSERT_TRUE(Result2);
std::optional<ObjectRef> Ref = CAS->getReference(*Result2);
ASSERT_TRUE(Ref);
ASSERT_EQ(*ID1, *Ref);
}
TEST_P(CASTest, ActionCacheRewrite) {
std::shared_ptr<ObjectStore> CAS = createObjectStore();
std::unique_ptr<ActionCache> Cache = createActionCache();
std::optional<ObjectProxy> ID1, ID2;
ASSERT_THAT_ERROR(CAS->createProxy(std::nullopt, "1").moveInto(ID1),
Succeeded());
ASSERT_THAT_ERROR(CAS->createProxy(std::nullopt, "2").moveInto(ID2),
Succeeded());
ASSERT_THAT_ERROR(Cache->put(*ID1, *ID1), Succeeded());
// Writing to the same key with different value is error.
ASSERT_THAT_ERROR(Cache->put(*ID1, *ID2), Failed());
// Writing the same value multiple times to the same key is fine.
ASSERT_THAT_ERROR(Cache->put(*ID1, *ID1), Succeeded());
}
TEST(OnDiskActionCache, ActionCacheResultInvalid) {
unittest::TempDir Temp("on-disk-cache", /*Unique=*/true);
std::unique_ptr<ObjectStore> CAS1 = createInMemoryCAS();
std::unique_ptr<ObjectStore> CAS2 = createInMemoryCAS();
std::optional<ObjectProxy> ID1, ID2, ID3;
ASSERT_THAT_ERROR(CAS1->createProxy(std::nullopt, "1").moveInto(ID1),
Succeeded());
ASSERT_THAT_ERROR(CAS1->createProxy(std::nullopt, "2").moveInto(ID2),
Succeeded());
ASSERT_THAT_ERROR(CAS2->createProxy(std::nullopt, "1").moveInto(ID3),
Succeeded());
std::unique_ptr<ActionCache> Cache1 =
cantFail(createOnDiskActionCache(Temp.path()));
// Test put and get.
ASSERT_THAT_ERROR(Cache1->put(*ID1, *ID2), Succeeded());
std::optional<CASID> Result;
ASSERT_THAT_ERROR(Cache1->get(*ID1).moveInto(Result), Succeeded());
ASSERT_TRUE(Result);
// Create OnDiskCAS from the same location but a different underlying CAS.
std::unique_ptr<ActionCache> Cache2 =
cantFail(createOnDiskActionCache(Temp.path()));
// Loading an key that points to an invalid object.
std::optional<CASID> Result2;
// Get will work but the resulting CASID doesn't exist in ObjectStore.
ASSERT_THAT_ERROR(Cache2->get(*ID3).moveInto(Result2), Succeeded());
ASSERT_FALSE(CAS2->getReference(*Result2));
// Write a different value will cause error.
ASSERT_THAT_ERROR(Cache2->put(*ID3, *ID3), Failed());
}
TEST_P(CASTest, ActionCacheAsync) {
std::shared_ptr<ObjectStore> CAS = createObjectStore();
std::unique_ptr<ActionCache> Cache = createActionCache();
{
std::optional<ObjectProxy> ID;
ASSERT_THAT_ERROR(CAS->createProxy(std::nullopt, "1").moveInto(ID),
Succeeded());
auto PutFuture = Cache->putFuture(*ID, *ID);
ASSERT_THAT_ERROR(PutFuture.get().take(), Succeeded());
auto GetFuture = Cache->getFuture(*ID);
std::optional<CASID> ResultID;
ASSERT_THAT_ERROR(GetFuture.get().take().moveInto(ResultID), Succeeded());
ASSERT_TRUE(ResultID);
}
std::optional<ObjectProxy> ID2;
ASSERT_THAT_ERROR(CAS->createProxy(std::nullopt, "2").moveInto(ID2),
Succeeded());
{
std::promise<AsyncErrorValue> Promise;
auto Future = Promise.get_future();
Cache->putAsync(*ID2, *ID2, false,
[Promise = std::move(Promise)](Error E) mutable {
Promise.set_value(std::move(E));
});
ASSERT_THAT_ERROR(Future.get().take(), Succeeded());
}
{
std::promise<AsyncCASIDValue> Promise;
auto Future = Promise.get_future();
Cache->getAsync(*ID2, false,
[Promise = std::move(Promise)](
Expected<std::optional<CASID>> Value) mutable {
Promise.set_value(std::move(Value));
});
std::optional<CASID> ResultID;
ASSERT_THAT_ERROR(Future.get().take().moveInto(ResultID), Succeeded());
ASSERT_TRUE(ResultID);
}
}
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