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//===-- ReproducerTest.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 "gmock/gmock.h"
#include "gtest/gtest.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/Reproducer.h"
#include "lldb/Utility/ReproducerProvider.h"
#include "llvm/ADT/ScopeExit.h"
#include "llvm/Support/Error.h"
#include "llvm/Testing/Support/Error.h"
using namespace llvm;
using namespace lldb_private;
using namespace lldb_private::repro;
class DummyProvider : public repro::Provider<DummyProvider> {
public:
struct Info {
static const char *name;
static const char *file;
};
DummyProvider(const FileSpec &directory) : Provider(directory) {}
static char ID;
};
class YamlMultiProvider
: public MultiProvider<YamlRecorder, YamlMultiProvider> {
public:
struct Info {
static const char *name;
static const char *file;
};
YamlMultiProvider(const FileSpec &directory) : MultiProvider(directory) {}
static char ID;
};
const char *DummyProvider::Info::name = "dummy";
const char *DummyProvider::Info::file = "dummy.yaml";
const char *YamlMultiProvider::Info::name = "mutli";
const char *YamlMultiProvider::Info::file = "mutli.yaml";
char DummyProvider::ID = 0;
char YamlMultiProvider::ID = 0;
class DummyReproducer : public Reproducer {
public:
DummyReproducer() : Reproducer(){};
using Reproducer::SetCapture;
};
struct YamlData {
YamlData() : i(-1) {}
YamlData(int i) : i(i) {}
int i;
};
inline bool operator==(const YamlData &LHS, const YamlData &RHS) {
return LHS.i == RHS.i;
}
LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(YamlData)
namespace llvm {
namespace yaml {
template <> struct MappingTraits<YamlData> {
static void mapping(IO &io, YamlData &Y) { io.mapRequired("i", Y.i); };
};
} // namespace yaml
} // namespace llvm
TEST(ReproducerTest, SetCapture) {
DummyReproducer reproducer;
// Initially both generator and loader are unset.
EXPECT_EQ(nullptr, reproducer.GetGenerator());
EXPECT_EQ(nullptr, reproducer.GetLoader());
// Enable capture and check that means we have a generator.
EXPECT_THAT_ERROR(
reproducer.SetCapture(FileSpec("//bogus/path", FileSpec::Style::posix)),
Succeeded());
EXPECT_NE(nullptr, reproducer.GetGenerator());
EXPECT_EQ(FileSpec("//bogus/path", FileSpec::Style::posix),
reproducer.GetGenerator()->GetRoot());
EXPECT_EQ(FileSpec("//bogus/path", FileSpec::Style::posix),
reproducer.GetReproducerPath());
// Ensure that we cannot enable replay.
EXPECT_EQ(nullptr, reproducer.GetLoader());
// Ensure we can disable the generator again.
EXPECT_THAT_ERROR(reproducer.SetCapture(llvm::None), Succeeded());
EXPECT_EQ(nullptr, reproducer.GetGenerator());
EXPECT_EQ(nullptr, reproducer.GetLoader());
}
TEST(GeneratorTest, Create) {
DummyReproducer reproducer;
EXPECT_THAT_ERROR(
reproducer.SetCapture(FileSpec("//bogus/path", FileSpec::Style::posix)),
Succeeded());
auto &generator = *reproducer.GetGenerator();
auto *provider = generator.Create<DummyProvider>();
EXPECT_NE(nullptr, provider);
EXPECT_EQ(FileSpec("//bogus/path", FileSpec::Style::posix),
provider->GetRoot());
}
TEST(GeneratorTest, Get) {
DummyReproducer reproducer;
EXPECT_THAT_ERROR(
reproducer.SetCapture(FileSpec("//bogus/path", FileSpec::Style::posix)),
Succeeded());
auto &generator = *reproducer.GetGenerator();
auto *provider = generator.Create<DummyProvider>();
EXPECT_NE(nullptr, provider);
auto *provider_alt = generator.Get<DummyProvider>();
EXPECT_EQ(provider, provider_alt);
}
TEST(GeneratorTest, GetOrCreate) {
DummyReproducer reproducer;
EXPECT_THAT_ERROR(
reproducer.SetCapture(FileSpec("//bogus/path", FileSpec::Style::posix)),
Succeeded());
auto &generator = *reproducer.GetGenerator();
auto &provider = generator.GetOrCreate<DummyProvider>();
EXPECT_EQ(FileSpec("//bogus/path", FileSpec::Style::posix),
provider.GetRoot());
auto &provider_alt = generator.GetOrCreate<DummyProvider>();
EXPECT_EQ(&provider, &provider_alt);
}
TEST(GeneratorTest, YamlMultiProvider) {
SmallString<128> root;
std::error_code ec = llvm::sys::fs::createUniqueDirectory("reproducer", root);
ASSERT_FALSE(static_cast<bool>(ec));
auto cleanup = llvm::make_scope_exit(
[&] { EXPECT_FALSE(llvm::sys::fs::remove_directories(root.str())); });
YamlData data0(0);
YamlData data1(1);
YamlData data2(2);
YamlData data3(3);
{
DummyReproducer reproducer;
EXPECT_THAT_ERROR(reproducer.SetCapture(FileSpec(root.str())), Succeeded());
auto &generator = *reproducer.GetGenerator();
auto *provider = generator.Create<YamlMultiProvider>();
ASSERT_NE(nullptr, provider);
auto *recorder = provider->GetNewRecorder();
ASSERT_NE(nullptr, recorder);
recorder->Record(data0);
recorder->Record(data1);
recorder = provider->GetNewRecorder();
ASSERT_NE(nullptr, recorder);
recorder->Record(data2);
recorder->Record(data3);
generator.Keep();
}
}
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