70 lines · cpp
1//===-- llvm/unittest/Support/DebuginfodTests.cpp - unit tests ------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "llvm/Debuginfod/Debuginfod.h"10#include "llvm/Debuginfod/HTTPClient.h"11#include "llvm/Support/FileSystem.h"12#include "llvm/Support/Path.h"13#include "llvm/Testing/Support/Error.h"14#include "gtest/gtest.h"15 16#ifdef _WIN3217#define setenv(name, var, ignore) _putenv_s(name, var)18#endif19 20#define ASSERT_NO_ERROR(x) \21 if (std::error_code ASSERT_NO_ERROR_ec = x) { \22 SmallString<128> MessageStorage; \23 raw_svector_ostream Message(MessageStorage); \24 Message << #x ": did not return errc::success.\n" \25 << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \26 << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \27 GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \28 } else { \29 }30 31using namespace llvm;32 33// Check that the Debuginfod client can find locally cached artifacts.34TEST(DebuginfodClient, CacheHit) {35 int FD;36 SmallString<64> CachedFilePath;37 sys::fs::createTemporaryFile("llvmcache-key", "temp", FD, CachedFilePath);38 StringRef CacheDir = sys::path::parent_path(CachedFilePath);39 StringRef UniqueKey = sys::path::filename(CachedFilePath);40 EXPECT_TRUE(UniqueKey.consume_front("llvmcache-"));41 raw_fd_ostream OF(FD, true, /*unbuffered=*/true);42 OF << "contents\n";43 OF << CacheDir << "\n";44 OF.close();45 Expected<std::string> PathOrErr = getCachedOrDownloadArtifact(46 UniqueKey, /*UrlPath=*/"/null", CacheDir,47 /*DebuginfodUrls=*/{}, /*Timeout=*/std::chrono::milliseconds(1));48 EXPECT_THAT_EXPECTED(PathOrErr, HasValue(CachedFilePath));49}50 51// Check that the Debuginfod client returns an Error when it fails to find an52// artifact.53TEST(DebuginfodClient, CacheMiss) {54 SmallString<32> CacheDir;55 ASSERT_NO_ERROR(56 sys::fs::createUniqueDirectory("debuginfod-unittest", CacheDir));57 sys::path::append(CacheDir, "cachedir");58 ASSERT_FALSE(sys::fs::exists(CacheDir));59 setenv("DEBUGINFOD_CACHE_PATH", CacheDir.c_str(),60 /*replace=*/1);61 // Ensure there are no urls to guarantee a cache miss.62 setenv("DEBUGINFOD_URLS", "", /*replace=*/1);63 HTTPClient::initialize();64 Expected<std::string> PathOrErr = getCachedOrDownloadArtifact(65 /*UniqueKey=*/"nonexistent-key", /*UrlPath=*/"/null");66 EXPECT_THAT_EXPECTED(PathOrErr, Failed<StringError>());67 // A cache miss with no possible URLs should not create the cache directory.68 EXPECT_FALSE(sys::fs::exists(CacheDir));69}70