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// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/buildtool/storage/local_ac.hpp"
#include <optional>
#include <string>
#include "catch2/catch_test_macros.hpp"
#include "gsl/gsl"
#include "src/buildtool/common/artifact_digest.hpp"
#include "src/buildtool/common/artifact_digest_factory.hpp"
#include "src/buildtool/common/bazel_types.hpp"
#include "src/buildtool/crypto/hash_function.hpp"
#include "src/buildtool/file_system/object_type.hpp"
#include "src/buildtool/storage/config.hpp"
#include "src/buildtool/storage/local_cas.hpp"
#include "src/buildtool/storage/storage.hpp"
#include "test/utils/hermeticity/test_storage_config.hpp"
[[nodiscard]] static auto RunDummyExecution(
gsl::not_null<LocalAC<true> const*> const& ac,
gsl::not_null<LocalCAS<true> const*> const& cas_,
ArtifactDigest const& action_id,
std::string const& seed) -> bool;
TEST_CASE("LocalAC: Single action, single result", "[storage]") {
auto const storage_config = TestStorageConfig::Create();
auto const storage = Storage::Create(&storage_config.Get());
auto const& ac = storage.ActionCache();
auto const& cas = storage.CAS();
auto action_id = ArtifactDigestFactory::HashDataAs<ObjectType::File>(
storage_config.Get().hash_function, "action");
CHECK(not ac.CachedResult(action_id));
CHECK(RunDummyExecution(&ac, &cas, action_id, "result"));
auto ac_result = ac.CachedResult(action_id);
CHECK(ac_result);
}
TEST_CASE("LocalAC: Two different actions, two different results",
"[storage]") {
auto const storage_config = TestStorageConfig::Create();
auto const storage = Storage::Create(&storage_config.Get());
auto const& ac = storage.ActionCache();
auto const& cas = storage.CAS();
auto action_id1 = ArtifactDigestFactory::HashDataAs<ObjectType::File>(
storage_config.Get().hash_function, "action1");
auto action_id2 = ArtifactDigestFactory::HashDataAs<ObjectType::File>(
storage_config.Get().hash_function, "action2");
CHECK(not ac.CachedResult(action_id1));
CHECK(not ac.CachedResult(action_id2));
std::string result_content1{};
std::string result_content2{};
CHECK(RunDummyExecution(&ac, &cas, action_id1, "result1"));
auto ac_result1 = ac.CachedResult(action_id1);
REQUIRE(ac_result1);
CHECK(ac_result1->SerializeToString(&result_content1));
CHECK(RunDummyExecution(&ac, &cas, action_id2, "result2"));
auto ac_result2 = ac.CachedResult(action_id2);
REQUIRE(ac_result2);
CHECK(ac_result2->SerializeToString(&result_content2));
// check different actions, different result
CHECK(action_id1.hash() != action_id2.hash());
CHECK(result_content1 != result_content2);
}
TEST_CASE("LocalAC: Two different actions, same two results", "[storage]") {
auto const storage_config = TestStorageConfig::Create();
auto const storage = Storage::Create(&storage_config.Get());
auto const& ac = storage.ActionCache();
auto const& cas = storage.CAS();
auto action_id1 = ArtifactDigestFactory::HashDataAs<ObjectType::File>(
storage_config.Get().hash_function, "action1");
auto action_id2 = ArtifactDigestFactory::HashDataAs<ObjectType::File>(
storage_config.Get().hash_function, "action2");
CHECK(not ac.CachedResult(action_id1));
CHECK(not ac.CachedResult(action_id2));
std::string result_content1{};
std::string result_content2{};
CHECK(RunDummyExecution(&ac, &cas, action_id1, "same result"));
auto ac_result1 = ac.CachedResult(action_id1);
REQUIRE(ac_result1);
CHECK(ac_result1->SerializeToString(&result_content1));
CHECK(RunDummyExecution(&ac, &cas, action_id2, "same result"));
auto ac_result2 = ac.CachedResult(action_id2);
REQUIRE(ac_result2);
CHECK(ac_result2->SerializeToString(&result_content2));
// check different actions, but same result
CHECK(action_id1.hash() != action_id2.hash());
CHECK(result_content1 == result_content2);
}
TEST_CASE("LocalAC: Same two actions, two different results", "[storage]") {
auto const storage_config = TestStorageConfig::Create();
auto const storage = Storage::Create(&storage_config.Get());
auto const& ac = storage.ActionCache();
auto const& cas = storage.CAS();
auto action_id = ArtifactDigestFactory::HashDataAs<ObjectType::File>(
storage_config.Get().hash_function, "same action");
CHECK(not ac.CachedResult(action_id));
std::string result_content1{};
std::string result_content2{};
CHECK(RunDummyExecution(&ac, &cas, action_id, "result1"));
auto ac_result1 = ac.CachedResult(action_id);
REQUIRE(ac_result1);
CHECK(ac_result1->SerializeToString(&result_content1));
CHECK(RunDummyExecution(&ac, &cas, action_id, "result2")); // updated
auto ac_result2 = ac.CachedResult(action_id);
REQUIRE(ac_result2);
CHECK(ac_result2->SerializeToString(&result_content2));
// check same actions, different cached result
CHECK(result_content1 != result_content2);
}
auto RunDummyExecution(gsl::not_null<LocalAC<true> const*> const& ac,
gsl::not_null<LocalCAS<true> const*> const& cas_,
ArtifactDigest const& action_id,
std::string const& seed) -> bool {
bazel_re::ActionResult result{};
*result.add_output_files() = [&]() {
bazel_re::OutputFile out{};
out.set_path(seed);
auto digest = cas_->StoreBlob("");
*out.mutable_digest() = ArtifactDigestFactory::ToBazel(*digest);
out.set_is_executable(false);
return out;
}();
return ac->StoreResult(action_id, result);
}
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