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//===-- llvm/unittest/Support/DebuginfodTests.cpp - unit tests ------------===//
//
// 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 "llvm/Debuginfod/Debuginfod.h"
#include "llvm/Debuginfod/HTTPClient.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
#ifdef _WIN32
#define setenv(name, var, ignore) _putenv_s(name, var)
#endif
#define ASSERT_NO_ERROR(x) \
if (std::error_code ASSERT_NO_ERROR_ec = x) { \
SmallString<128> MessageStorage; \
raw_svector_ostream Message(MessageStorage); \
Message << #x ": did not return errc::success.\n" \
<< "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
<< "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
} else { \
}
using namespace llvm;
// Check that the Debuginfod client can find locally cached artifacts.
TEST(DebuginfodClient, CacheHit) {
int FD;
SmallString<64> CachedFilePath;
sys::fs::createTemporaryFile("llvmcache-key", "temp", FD, CachedFilePath);
StringRef CacheDir = sys::path::parent_path(CachedFilePath);
StringRef UniqueKey = sys::path::filename(CachedFilePath);
EXPECT_TRUE(UniqueKey.consume_front("llvmcache-"));
raw_fd_ostream OF(FD, true, /*unbuffered=*/true);
OF << "contents\n";
OF << CacheDir << "\n";
OF.close();
Expected<std::string> PathOrErr = getCachedOrDownloadArtifact(
UniqueKey, /*UrlPath=*/"/null", CacheDir,
/*DebuginfodUrls=*/{}, /*Timeout=*/std::chrono::milliseconds(1));
EXPECT_THAT_EXPECTED(PathOrErr, HasValue(CachedFilePath));
}
// Check that the Debuginfod client returns an Error when it fails to find an
// artifact.
TEST(DebuginfodClient, CacheMiss) {
SmallString<32> CacheDir;
ASSERT_NO_ERROR(
sys::fs::createUniqueDirectory("debuginfod-unittest", CacheDir));
sys::path::append(CacheDir, "cachedir");
ASSERT_FALSE(sys::fs::exists(CacheDir));
setenv("DEBUGINFOD_CACHE_PATH", CacheDir.c_str(),
/*replace=*/1);
// Ensure there are no urls to guarantee a cache miss.
setenv("DEBUGINFOD_URLS", "", /*replace=*/1);
HTTPClient::initialize();
Expected<std::string> PathOrErr = getCachedOrDownloadArtifact(
/*UniqueKey=*/"nonexistent-key", /*UrlPath=*/"/null");
EXPECT_THAT_EXPECTED(PathOrErr, Failed<StringError>());
// A cache miss with no possible URLs should not create the cache directory.
EXPECT_FALSE(sys::fs::exists(CacheDir));
}
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