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//===-- ProjectAwareIndexTests.cpp -------------------*- C++ -*-----------===//
//
// 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 "Config.h"
#include "TestIndex.h"
#include "index/Index.h"
#include "index/MemIndex.h"
#include "index/ProjectAware.h"
#include "index/Ref.h"
#include "index/Relation.h"
#include "support/Context.h"
#include "support/Threading.h"
#include "llvm/ADT/StringRef.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include <memory>
#include <utility>
namespace clang {
namespace clangd {
using testing::ElementsAre;
using testing::IsEmpty;
std::unique_ptr<SymbolIndex> createIndex() {
SymbolSlab::Builder Builder;
Builder.insert(symbol("1"));
return MemIndex::build(std::move(Builder).build(), RefSlab(), RelationSlab());
}
TEST(ProjectAware, Test) {
IndexFactory Gen = [](const Config::ExternalIndexSpec &, AsyncTaskRunner *) {
return createIndex();
};
auto Idx = createProjectAwareIndex(std::move(Gen), true);
FuzzyFindRequest Req;
Req.Query = "1";
Req.AnyScope = true;
EXPECT_THAT(match(*Idx, Req), IsEmpty());
Config C;
C.Index.External.Kind = Config::ExternalIndexSpec::File;
C.Index.External.Location = "test";
WithContextValue With(Config::Key, std::move(C));
EXPECT_THAT(match(*Idx, Req), ElementsAre("1"));
return;
}
TEST(ProjectAware, CreatedOnce) {
unsigned InvocationCount = 0;
IndexFactory Gen = [&](const Config::ExternalIndexSpec &, AsyncTaskRunner *) {
++InvocationCount;
return createIndex();
};
auto Idx = createProjectAwareIndex(std::move(Gen), true);
// No invocation at start.
EXPECT_EQ(InvocationCount, 0U);
FuzzyFindRequest Req;
Req.Query = "1";
Req.AnyScope = true;
// Cannot invoke without proper config.
match(*Idx, Req);
EXPECT_EQ(InvocationCount, 0U);
Config C;
C.Index.External.Kind = Config::ExternalIndexSpec::File;
C.Index.External.Location = "test";
WithContextValue With(Config::Key, std::move(C));
match(*Idx, Req);
// Now it should be created.
EXPECT_EQ(InvocationCount, 1U);
match(*Idx, Req);
// It is cached afterwards.
EXPECT_EQ(InvocationCount, 1U);
return;
}
} // namespace clangd
} // namespace clang
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