draft up test suite for adjustCommandLine

Author: K-ballo

src/test/lib/MrDocsCompilationDatabase.cpp

@@ -0,0 +1,102 @@
+//
+// Licensed 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
+//
+// Copyright (c) 2023 Vinnie Falco ([email protected])
+//
+// Official repository: https://github.com/cppalliance/mrdocs
+//
+
+#include "lib/ConfigImpl.hpp"
+#include "lib/MrDocsCompilationDatabase.hpp"
+#include "lib/SingleFileDB.hpp"
+#include <mrdocs/Support/Algorithm.hpp>
+#include <mrdocs/Support/Path.hpp>
+#include <mrdocs/Support/ThreadPool.hpp>
+#include <test_suite/test_suite.hpp>
+
+namespace clang {
+namespace mrdocs {
+
+/** Compilation database for a single .cpp file.
+*/
+class SingleFileTestDB
+    : public tooling::CompilationDatabase
+{
+    tooling::CompileCommand cc_;
+
+public:
+    explicit
+    SingleFileTestDB(
+        tooling::CompileCommand cc)
+        : cc_(std::move(cc))
+    {}
+
+    std::vector<tooling::CompileCommand>
+    getCompileCommands(
+        llvm::StringRef FilePath) const override
+    {
+        if (FilePath != cc_.Filename)
+            return {};
+        return { cc_ };
+    }
+
+    std::vector<std::string>
+    getAllFiles() const override
+    {
+        return { cc_.Filename };
+    }
+
+    std::vector<tooling::CompileCommand>
+    getAllCompileCommands() const override
+    {
+        return { cc_ };
+    }
+};
+
+struct MrDocsCompilationDatabase_test
+{
+    Config::Settings fileSettings_;
+    ThreadPool threadPool_;
+    ReferenceDirectories dirs_;
+
+    std::shared_ptr<ConfigImpl const> config_ =
+        ConfigImpl::load(fileSettings_, dirs_, threadPool_).value();
+
+    auto adjustCompileCommand(std::vector<std::string> CommandLine) const
+    {
+        tooling::CompileCommand cc;
+        cc.Directory = ".";
+        cc.Filename = "test.cpp"; // file does not exist
+        cc.CommandLine = std::move(CommandLine);
+        cc.CommandLine.push_back(cc.Filename);
+        cc.Heuristic = "unit test";
+
+        // Create an adjusted MrDocsDatabase
+        std::unordered_map<std::string, std::vector<std::string>> defaultIncludePaths;
+        MrDocsCompilationDatabase compilations(
+            llvm::StringRef(cc.Directory), SingleFileTestDB(cc), config_, defaultIncludePaths);
+        return compilations.getCompileCommands(cc.Filename).front().CommandLine;
+    }
+
+    void testClangCL()
+    {
+         auto adjusted = adjustCompileCommand({ "clang-cl", "/std:c++latest"});
+         BOOST_TEST_GE(adjusted.size(), 2);
+         BOOST_TEST_EQ(adjusted[0], "clang");
+         BOOST_TEST(contains(adjusted, "-std=c++23"));
+    }
+
+    void run()
+    {
+        testClangCL();
+    }
+};
+
+TEST_SUITE(
+    MrDocsCompilationDatabase_test,
+    "clang.mrdocs.MrDocsCompilationDatabase");
+
+} // mrdocs
+} // clang