| 1 | //===-- FSTests.cpp - File system related tests -----------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "FS.h" |
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| 10 | #include "TestFS.h" |
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| 11 | #include "gmock/gmock.h" |
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| 12 | #include "gtest/gtest.h" |
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| 13 | |
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| 14 | namespace clang { |
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| 15 | namespace clangd { |
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| 16 | namespace { |
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| 17 | |
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| 18 | TEST(FSTests, PreambleStatusCache) { |
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| 19 | llvm::StringMap<std::string> Files; |
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| 20 | Files["x" ] = "" ; |
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| 21 | Files["y" ] = "" ; |
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| 22 | Files["main" ] = "" ; |
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| 23 | auto FS = buildTestFS(Files); |
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| 24 | |
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| 25 | PreambleFileStatusCache StatCache(testPath(File: "main" )); |
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| 26 | auto ProduceFS = StatCache.getProducingFS(FS); |
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| 27 | EXPECT_TRUE(ProduceFS->openFileForRead("x" )); |
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| 28 | EXPECT_TRUE(ProduceFS->status("y" )); |
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| 29 | EXPECT_TRUE(ProduceFS->status("main" )); |
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| 30 | |
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| 31 | EXPECT_TRUE(StatCache.lookup(testPath("x" )).has_value()); |
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| 32 | EXPECT_TRUE(StatCache.lookup(testPath("y" )).has_value()); |
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| 33 | // Main file is not cached. |
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| 34 | EXPECT_FALSE(StatCache.lookup(testPath("main" )).has_value()); |
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| 35 | |
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| 36 | llvm::vfs::Status S("fake" , llvm::sys::fs::UniqueID(123, 456), |
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| 37 | std::chrono::system_clock::now(), 0, 0, 1024, |
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| 38 | llvm::sys::fs::file_type::regular_file, |
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| 39 | llvm::sys::fs::all_all); |
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| 40 | StatCache.update(FS: *FS, S, File: "real" ); |
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| 41 | auto ConsumeFS = StatCache.getConsumingFS(FS); |
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| 42 | EXPECT_FALSE(ConsumeFS->status(testPath("fake" ))); |
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| 43 | auto Cached = ConsumeFS->status(Path: testPath(File: "real" )); |
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| 44 | EXPECT_TRUE(Cached); |
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| 45 | EXPECT_EQ(Cached->getName(), testPath("real" )); |
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| 46 | EXPECT_EQ(Cached->getUniqueID(), S.getUniqueID()); |
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| 47 | |
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| 48 | // real and temp/../real should hit the same cache entry. |
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| 49 | // However, the Status returned reflects the actual path requested. |
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| 50 | auto CachedDotDot = ConsumeFS->status(Path: testPath(File: "temp/../real" )); |
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| 51 | EXPECT_TRUE(CachedDotDot); |
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| 52 | EXPECT_EQ(CachedDotDot->getName(), testPath("temp/../real" )); |
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| 53 | EXPECT_EQ(CachedDotDot->getUniqueID(), S.getUniqueID()); |
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| 54 | } |
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| 55 | |
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| 56 | } // namespace |
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| 57 | } // namespace clangd |
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| 58 | } // namespace clang |
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| 59 | |
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