xref: /llvm-project/clang-tools-extra/clangd/unittests/TestWorkspace.h (revision f71ffd3b735b4d6ae3c12be1806cdd6205b3b378)
1 //===--- TestWorkspace.h - Utility for writing multi-file tests --*- C++-*-===//
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-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // TestWorkspace builds on TestTU to provide a way to write tests involving
10 // several related files with inclusion relationships between them.
11 //
12 // The tests can exercise both index and AST based operations.
13 //
14 //===---------------------------------------------------------------------===//
15 
16 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_UNITTESTS_TESTWORKSPACE_H
17 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_UNITTESTS_TESTWORKSPACE_H
18 
19 #include "TestTU.h"
20 #include "index/Index.h"
21 #include "llvm/ADT/StringRef.h"
22 #include <optional>
23 #include <string>
24 #include <vector>
25 
26 namespace clang {
27 namespace clangd {
28 
29 class TestWorkspace {
30 public:
31   // The difference between addSource() and addMainFile() is that only main
32   // files will be indexed.
addSource(llvm::StringRef Filename,llvm::StringRef Code)33   void addSource(llvm::StringRef Filename, llvm::StringRef Code) {
34     addInput(Filename.str(), {Code.str(), /*IsMainFile=*/false});
35   }
addMainFile(llvm::StringRef Filename,llvm::StringRef Code)36   void addMainFile(llvm::StringRef Filename, llvm::StringRef Code) {
37     addInput(Filename.str(), {Code.str(), /*IsMainFile=*/true});
38   }
39 
40   std::unique_ptr<SymbolIndex> index();
41 
42   std::optional<ParsedAST> openFile(llvm::StringRef Filename);
43 
44 private:
45   struct SourceFile {
46     std::string Code;
47     bool IsMainFile = false;
48   };
49   llvm::StringMap<SourceFile> Inputs;
50   TestTU TU;
51 
52   void addInput(llvm::StringRef Filename, const SourceFile &Input);
53 };
54 
55 } // namespace clangd
56 } // namespace clang
57 
58 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_UNITTESTS_TESTWORKSPACE_H
59