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//===-- HostInfoSwiftTest.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 "TestingSupport/TestUtilities.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/lldb-defines.h"
#include "llvm/Support/FileSystem.h"
#include "gtest/gtest.h"
using namespace lldb_private;
using namespace llvm::sys;
namespace {
struct SwiftHostTest : public testing::Test {
/// Unique temporary directory in which all created filesystem entities must
/// be placed. It is removed at the end of the test suite.
llvm::SmallString<128> m_base_dir;
void SetUp() override {
// Get the name of the current test. To prevent that by chance two tests
// get the same temporary directory if createUniqueDirectory fails.
auto test_info = ::testing::UnitTest::GetInstance()->current_test_info();
ASSERT_TRUE(test_info != nullptr);
std::string name = test_info->name();
ASSERT_NO_ERROR(
fs::createUniqueDirectory("SwiftHostTest-" + name, m_base_dir));
}
void TearDown() override {
ASSERT_NO_ERROR(fs::remove_directories(m_base_dir));
}
static void SetUpTestCase() {
FileSystem::Initialize();
HostInfo::Initialize();
}
static void TearDownTestCase() {
HostInfo::Terminate();
FileSystem::Terminate();
}
};
} // namespace
static std::string
ComputeSwiftResourceDirectoryHelper(std::string lldb_shlib_path,
bool verify = false) {
FileSpec swift_dir;
FileSpec lldb_shlib_spec(lldb_shlib_path);
HostInfo::ComputeSwiftResourceDirectory(lldb_shlib_spec, swift_dir, verify);
return swift_dir.GetPath();
}
TEST_F(SwiftHostTest, ComputeSwiftResourceDirectory) {
#if !defined(_WIN32)
std::string path_to_liblldb = "/foo/bar/lib";
std::string path_to_swift_dir = "/foo/bar/lib/swift";
#else
std::string path_to_liblldb = "C:\\foo\\bar\\bin";
std::string path_to_swift_dir = "C:\\foo\\bar\\lib\\swift";
#endif
EXPECT_EQ(ComputeSwiftResourceDirectoryHelper(path_to_liblldb),
path_to_swift_dir);
EXPECT_NE(ComputeSwiftResourceDirectoryHelper(path_to_liblldb),
ComputeSwiftResourceDirectoryHelper(path_to_liblldb, true));
EXPECT_TRUE(ComputeSwiftResourceDirectoryHelper("").empty());
}
#if defined(__APPLE__)
TEST_F(SwiftHostTest, MacOSX) {
// test for LLDB.framework
std::string path_to_liblldb = "/foo/bar/lib/LLDB.framework";
std::string path_to_swift_dir = "/foo/bar/lib/LLDB.framework/Resources/Swift";
EXPECT_EQ(ComputeSwiftResourceDirectoryHelper(path_to_liblldb),
path_to_swift_dir);
path_to_liblldb = "/foo/bar/lib/LLDB.framework/foo/bar";
path_to_swift_dir = "/foo/bar/lib/LLDB.framework/Resources/Swift";
EXPECT_EQ(ComputeSwiftResourceDirectoryHelper(path_to_liblldb),
path_to_swift_dir);
}
TEST_F(SwiftHostTest, ResourceDir) {
const char *paths[] = {
// Toolchains.
"/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/"
"lib/swift/macosx",
"/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/"
"lib/swift/iphoneos",
"/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/"
"lib/swift/iphonesimulator",
// SDKs.
"/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/"
"MacOSX10.13.sdk/usr",
"/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/"
"SDKs/"
"iPhoneOS11.3.sdk/usr",
"/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/"
"Developer/SDKs/iPhoneSimulatorOS12.0.sdk/usr",
"/Xcode.app/Contents/Developer/Platforms/Linux.platform/Developer/SDKs/"
"Linux.sdk/usr/lib/swift/linux",
// Custom toolchains.
"/Xcode.app/Contents/Developer/Toolchains/"
"Swift-4.1-development-snapshot.xctoolchain/usr/lib/swift/macosx",
// CLTools.
"/Library/Developer/CommandLineTools/usr/lib/swift/macosx",
// Local builds.
"/build/LLDB.framework/Resources/Swift/clang",
};
using SmallString = llvm::SmallString<256>;
std::vector<std::string> abs_paths;
for (auto dir : paths) {
SmallString path = m_base_dir.str();
path::append(path, dir);
ASSERT_NO_ERROR(fs::create_directories(path));
abs_paths.push_back(std::string(path));
}
llvm::StringRef macosx_sdk = path::parent_path(abs_paths[3]);
llvm::StringRef ios_sdk = path::parent_path(abs_paths[4]);
llvm::StringRef iossim_sdk = path::parent_path(abs_paths[5]);
llvm::StringRef cross_sdk = path::parent_path(
path::parent_path(path::parent_path(path::parent_path(abs_paths[6]))));
SmallString swift_dir = m_base_dir.str();
path::append(swift_dir,
"/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Resources/Swift");
SmallString xcode_contents = m_base_dir.str();
path::append(xcode_contents, "/Xcode.app/Contents");
SmallString toolchain = m_base_dir.str();
path::append(toolchain, "/Xcode.app/Contents/Developer/Toolchains");
SmallString cl_tools = m_base_dir.str();
path::append(cl_tools, "/Library/Developer/CommandLineTools");
SmallString tc_rdir = m_base_dir.str();
llvm::sys::path::append(tc_rdir, "/Xcode.app/Contents/Developer/Toolchains/"
"XcodeDefault.xctoolchain/usr/lib/swift");
auto GetResourceDir = [&](const char *triple_string,
llvm::StringRef sdk_path) {
llvm::Triple host("x86_64-apple-macosx10.14");
llvm::Triple target(triple_string);
return HostInfoMacOSX::DetectSwiftResourceDir(
sdk_path, HostInfoMacOSX::GetSwiftStdlibOSDir(target, host),
std::string(swift_dir), std::string(xcode_contents),
std::string(toolchain), std::string(cl_tools));
};
EXPECT_EQ(GetResourceDir("x86_64-apple-macosx10.14", macosx_sdk),
tc_rdir.str());
EXPECT_EQ(GetResourceDir("x86_64-apple-darwin", macosx_sdk), tc_rdir);
EXPECT_EQ(GetResourceDir("aarch64-apple-ios11.3", ios_sdk), tc_rdir);
// Old-style simulator triple with missing environment.
EXPECT_EQ(GetResourceDir("x86_64-apple-ios11.3", iossim_sdk), tc_rdir);
EXPECT_EQ(GetResourceDir("x86_64-apple-ios11.3-simulator", iossim_sdk),
tc_rdir);
EXPECT_EQ(GetResourceDir("x86_64-unknown-linux", cross_sdk),
path::parent_path(abs_paths[6]));
// Version is too low, but we still expect a valid resource directory.
EXPECT_EQ(GetResourceDir("x86_64-apple-ios11.0", ios_sdk), tc_rdir);
std::string s = GetResourceDir("armv7k-apple-watchos4.0", ios_sdk);
EXPECT_NE(GetResourceDir("armv7k-apple-watchos4.0", ios_sdk), "");
// Custom toolchain.
toolchain = path::parent_path(
path::parent_path(path::parent_path(path::parent_path(abs_paths[7]))));
std::string custom_tc = path::parent_path(abs_paths[7]).str();
EXPECT_EQ(GetResourceDir("x86_64-apple-macosx", macosx_sdk), custom_tc);
// CLTools.
xcode_contents = "";
toolchain = "";
std::string cl_tools_rd = path::parent_path(abs_paths[8]).str();
EXPECT_EQ(GetResourceDir("x86_64-apple-macosx", macosx_sdk), cl_tools_rd);
// Local builds.
swift_dir = path::parent_path(abs_paths[9]);
EXPECT_EQ(GetResourceDir("x86_64-apple-macosx", macosx_sdk), swift_dir);
}
#endif
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