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#include "gtest/gtest.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "Plugins/ObjectFile/ELF/ObjectFileELF.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Symbol/SymbolContext.h"
#include "lldb/Target/ModuleCache.h"
extern const char *TestMainArgv0;
using namespace lldb_private;
using namespace lldb;
namespace {
class ModuleCacheTest : public testing::Test {
public:
static void SetUpTestCase();
static void TearDownTestCase();
protected:
static FileSpec s_cache_dir;
static llvm::SmallString<128> s_test_executable;
void TryGetAndPut(const FileSpec &cache_dir, const char *hostname,
bool expect_download);
};
}
FileSpec ModuleCacheTest::s_cache_dir;
llvm::SmallString<128> ModuleCacheTest::s_test_executable;
static const char dummy_hostname[] = "dummy_hostname";
static const char dummy_remote_dir[] = "bin";
static const char module_name[] = "TestModule.so";
static const char module_uuid[] =
"F4E7E991-9B61-6AD4-0073-561AC3D9FA10-C043A476";
static const uint32_t uuid_bytes = 20;
static const size_t module_size = 5602;
static FileSpec GetDummyRemotePath() {
FileSpec fs("/", false, FileSpec::ePathSyntaxPosix);
fs.AppendPathComponent(dummy_remote_dir);
fs.AppendPathComponent(module_name);
return fs;
}
static FileSpec GetUuidView(FileSpec spec) {
spec.AppendPathComponent(".cache");
spec.AppendPathComponent(module_uuid);
spec.AppendPathComponent(module_name);
return spec;
}
static FileSpec GetSysrootView(FileSpec spec, const char *hostname) {
spec.AppendPathComponent(hostname);
spec.AppendPathComponent(dummy_remote_dir);
spec.AppendPathComponent(module_name);
return spec;
}
void ModuleCacheTest::SetUpTestCase() {
HostInfo::Initialize();
ObjectFileELF::Initialize();
FileSpec tmpdir_spec;
HostInfo::GetLLDBPath(lldb::ePathTypeLLDBTempSystemDir, s_cache_dir);
llvm::StringRef exe_folder = llvm::sys::path::parent_path(TestMainArgv0);
s_test_executable = exe_folder;
llvm::sys::path::append(s_test_executable, "Inputs", module_name);
}
void ModuleCacheTest::TearDownTestCase() {
ObjectFileELF::Terminate();
HostInfo::Terminate();
}
static void VerifyDiskState(const FileSpec &cache_dir, const char *hostname) {
FileSpec uuid_view = GetUuidView(cache_dir);
EXPECT_TRUE(uuid_view.Exists()) << "uuid_view is: " << uuid_view.GetCString();
EXPECT_EQ(module_size, uuid_view.GetByteSize());
FileSpec sysroot_view = GetSysrootView(cache_dir, hostname);
EXPECT_TRUE(sysroot_view.Exists()) << "sysroot_view is: "
<< sysroot_view.GetCString();
EXPECT_EQ(module_size, sysroot_view.GetByteSize());
}
void ModuleCacheTest::TryGetAndPut(const FileSpec &cache_dir,
const char *hostname, bool expect_download) {
ModuleCache mc;
ModuleSpec module_spec;
module_spec.GetFileSpec() = GetDummyRemotePath();
module_spec.GetUUID().SetFromCString(module_uuid, uuid_bytes);
module_spec.SetObjectSize(module_size);
ModuleSP module_sp;
bool did_create;
bool download_called = false;
Error error = mc.GetAndPut(
cache_dir, hostname, module_spec,
[this, &download_called](const ModuleSpec &module_spec,
const FileSpec &tmp_download_file_spec) {
download_called = true;
EXPECT_STREQ(GetDummyRemotePath().GetCString(),
module_spec.GetFileSpec().GetCString());
std::error_code ec = llvm::sys::fs::copy_file(
s_test_executable, tmp_download_file_spec.GetCString());
EXPECT_FALSE(ec);
return Error();
},
[](const ModuleSP &module_sp, const FileSpec &tmp_download_file_spec) {
return Error("Not supported.");
},
module_sp, &did_create);
EXPECT_EQ(expect_download, download_called);
EXPECT_TRUE(error.Success()) << "Error was: " << error.AsCString();
EXPECT_TRUE(did_create);
ASSERT_TRUE(bool(module_sp));
SymbolContextList sc_list;
EXPECT_EQ(1u, module_sp->FindFunctionSymbols(ConstString("boom"),
eFunctionNameTypeFull, sc_list));
EXPECT_STREQ(GetDummyRemotePath().GetCString(),
module_sp->GetPlatformFileSpec().GetCString());
EXPECT_STREQ(module_uuid, module_sp->GetUUID().GetAsString().c_str());
}
TEST_F(ModuleCacheTest, GetAndPut) {
FileSpec test_cache_dir = s_cache_dir;
test_cache_dir.AppendPathComponent("GetAndPut");
const bool expect_download = true;
TryGetAndPut(test_cache_dir, dummy_hostname, expect_download);
VerifyDiskState(test_cache_dir, dummy_hostname);
}
TEST_F(ModuleCacheTest, GetAndPutUuidExists) {
FileSpec test_cache_dir = s_cache_dir;
test_cache_dir.AppendPathComponent("GetAndPutUuidExists");
FileSpec uuid_view = GetUuidView(test_cache_dir);
std::error_code ec =
llvm::sys::fs::create_directories(uuid_view.GetDirectory().GetCString());
ASSERT_FALSE(ec);
ec = llvm::sys::fs::copy_file(s_test_executable, uuid_view.GetCString());
ASSERT_FALSE(ec);
const bool expect_download = false;
TryGetAndPut(test_cache_dir, dummy_hostname, expect_download);
VerifyDiskState(test_cache_dir, dummy_hostname);
}
TEST_F(ModuleCacheTest, GetAndPutStrangeHostname) {
FileSpec test_cache_dir = s_cache_dir;
test_cache_dir.AppendPathComponent("GetAndPutStrangeHostname");
const bool expect_download = true;
TryGetAndPut(test_cache_dir, "tab\tcolon:asterisk*", expect_download);
VerifyDiskState(test_cache_dir, "tab_colon_asterisk_");
}
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