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//===- CASOptionsTest.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 "clang/CAS/CASOptions.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/DiagnosticIDs.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "llvm/CAS/ObjectStore.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Testing/Support/Error.h"
#include "llvm/Testing/Support/SupportHelpers.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace clang;
using namespace clang::cas;
namespace {
TEST(CASOptionsTest, getKind) {
CASOptions Opts;
EXPECT_EQ(CASOptions::InMemoryCAS, Opts.getKind());
if (!llvm::cas::isOnDiskCASEnabled())
return;
Opts.CASPath = "auto";
unittest::TempDir Dir("cas-options", /*Unique=*/true);
EXPECT_EQ(CASOptions::OnDiskCAS, Opts.getKind());
Opts.CASPath = Dir.path("cas").str().str();
EXPECT_EQ(CASOptions::OnDiskCAS, Opts.getKind());
}
TEST(CASOptionsTest, getOrCreateDatabases) {
DiagnosticsEngine Diags(new DiagnosticIDs(), new DiagnosticOptions,
new IgnoringDiagConsumer());
// Create an in-memory CAS.
CASOptions Opts;
auto [InMemoryCAS, InMemoryAC] = Opts.getOrCreateDatabases(Diags);
ASSERT_TRUE(InMemoryCAS);
ASSERT_TRUE(InMemoryAC);
EXPECT_EQ(InMemoryCAS, Opts.getOrCreateDatabases(Diags).first);
EXPECT_EQ(InMemoryAC, Opts.getOrCreateDatabases(Diags).second);
EXPECT_EQ(CASOptions::InMemoryCAS, Opts.getKind());
if (!llvm::cas::isOnDiskCASEnabled())
return;
// Create an on-disk CAS.
unittest::TempDir Dir("cas-options", /*Unique=*/true);
Opts.CASPath = Dir.path("cas").str().str();
auto [OnDiskCAS, OnDiskAC] = Opts.getOrCreateDatabases(Diags);
EXPECT_NE(InMemoryCAS, OnDiskCAS);
EXPECT_NE(InMemoryAC, OnDiskAC);
EXPECT_EQ(OnDiskCAS, Opts.getOrCreateDatabases(Diags).first);
EXPECT_EQ(OnDiskAC, Opts.getOrCreateDatabases(Diags).second);
EXPECT_EQ(CASOptions::OnDiskCAS, Opts.getKind());
// Create an on-disk CAS at an automatic location.
Opts.CASPath = "auto";
auto [AutoCAS, AutoAC] = Opts.getOrCreateDatabases(Diags);
EXPECT_NE(InMemoryCAS, AutoCAS);
EXPECT_NE(InMemoryAC, AutoAC);
EXPECT_NE(OnDiskCAS, AutoCAS);
EXPECT_NE(OnDiskAC, AutoAC);
EXPECT_EQ(AutoCAS, Opts.getOrCreateDatabases(Diags).first);
EXPECT_EQ(AutoAC, Opts.getOrCreateDatabases(Diags).second);
EXPECT_EQ(CASOptions::OnDiskCAS, Opts.getKind());
// Create another in-memory CAS. It won't be the same one.
Opts.CASPath = "";
auto [InMemoryCAS2, InMemoryAC2] = Opts.getOrCreateDatabases(Diags);
EXPECT_NE(InMemoryCAS, InMemoryCAS2);
EXPECT_NE(InMemoryAC, InMemoryAC2);
EXPECT_NE(OnDiskCAS, InMemoryCAS2);
EXPECT_NE(OnDiskAC, InMemoryAC2);
EXPECT_NE(AutoCAS, InMemoryCAS2);
EXPECT_NE(AutoAC, InMemoryAC2);
EXPECT_EQ(InMemoryCAS2, Opts.getOrCreateDatabases(Diags).first);
EXPECT_EQ(InMemoryAC2, Opts.getOrCreateDatabases(Diags).second);
EXPECT_EQ(CASOptions::InMemoryCAS, Opts.getKind());
}
TEST(CASOptionsTest, getOrCreateObjectStoreInvalid) {
if (!llvm::cas::isOnDiskCASEnabled())
return;
DiagnosticsEngine Diags(new DiagnosticIDs(), new DiagnosticOptions,
new IgnoringDiagConsumer());
// Create a file, then try to put a CAS there.
StringRef Contents = "contents";
unittest::TempDir Dir("cas-options", /*Unique=*/true);
unittest::TempFile File(Dir.path("cas"), /*Suffix=*/"",
/*Contents=*/Contents);
CASOptions Opts;
Opts.CASPath = File.path().str();
EXPECT_EQ(nullptr, Opts.getOrCreateDatabases(Diags).first);
EXPECT_EQ(nullptr, Opts.getOrCreateDatabases(Diags).second);
auto [EmptyCAS, EmptyAC] =
Opts.getOrCreateDatabases(Diags, /*CreateEmptyCASOnFailure=*/true);
EXPECT_EQ(EmptyCAS, Opts.getOrCreateDatabases(Diags).first);
EXPECT_EQ(EmptyAC, Opts.getOrCreateDatabases(Diags).second);
// Ensure the file wasn't clobbered.
std::unique_ptr<MemoryBuffer> MemBuffer;
ASSERT_THAT_ERROR(
errorOrToExpected(MemoryBuffer::getFile(File.path())).moveInto(MemBuffer),
Succeeded());
ASSERT_EQ(Contents, MemBuffer->getBuffer());
}
TEST(CASOptionsTest, freezeConfig) {
if (!llvm::cas::isOnDiskCASEnabled())
return;
DiagnosticsEngine Diags(new DiagnosticIDs(), new DiagnosticOptions,
new IgnoringDiagConsumer());
// Hide the CAS configuration when creating it.
unittest::TempDir Dir("cas-options", /*Unique=*/true);
CASOptions Opts;
Opts.CASPath = Dir.path("cas").str().str();
Opts.freezeConfig(Diags);
auto [CAS, AC] = Opts.getOrCreateDatabases(Diags);
ASSERT_TRUE(CAS);
ASSERT_TRUE(AC);
EXPECT_EQ(CASOptions::UnknownCAS, Opts.getKind());
// Check that the configuration is hidden, but calls to
// getOrCreateObjectStore() still return the original CAS.
EXPECT_EQ(CAS->getContext().getHashSchemaIdentifier(), Opts.CASPath);
// Check that new paths are ignored.
Opts.CASPath = "";
EXPECT_EQ(CAS, Opts.getOrCreateDatabases(Diags).first);
EXPECT_EQ(AC, Opts.getOrCreateDatabases(Diags).second);
EXPECT_EQ(CASOptions::UnknownCAS, Opts.getKind());
Opts.CASPath = Dir.path("ignored-cas").str().str();
EXPECT_EQ(CAS, Opts.getOrCreateDatabases(Diags).first);
EXPECT_EQ(AC, Opts.getOrCreateDatabases(Diags).second);
EXPECT_EQ(CASOptions::UnknownCAS, Opts.getKind());
}
TEST(CASOptionsTest, equal) {
CASOptions Opt1, Opt2;
ASSERT_TRUE(Opt1 == Opt2);
Opt1.CASPath = "some/path";
Opt2.CASPath = "some/path";
ASSERT_TRUE(Opt1 == Opt2);
Opt2.CASPath = "other/path";
ASSERT_TRUE(Opt1 != Opt2);
Opt1.CASPath.clear();
Opt1.PluginPath = "plugin/path";
ASSERT_TRUE(Opt1 != Opt2);
Opt2.CASPath.clear();
ASSERT_TRUE(Opt1 != Opt2);
Opt2.PluginPath = "plugin/path2";
ASSERT_TRUE(Opt1 != Opt2);
Opt2.PluginPath = "plugin/path";
ASSERT_TRUE(Opt1 == Opt2);
Opt1.PluginOptions.emplace_back("key", "value");
ASSERT_TRUE(Opt1 != Opt2);
Opt2.PluginOptions.emplace_back("key", "value");
ASSERT_TRUE(Opt1 == Opt2);
}
} // end namespace
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