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#include "googletest.h"

#include <refactoringcompilationdatabase.h>

using testing::Contains;
using testing::IsEmpty;
using testing::Not;
using testing::PrintToString;

using ClangBackEnd::RefactoringCompilationDatabase;

namespace {

MATCHER_P3(IsCompileCommand, directory, fileName, commandLine,
           std::string(negation ? "isn't" : "is")
           + " compile command with directory "+ PrintToString(directory)
           + ", file name " + PrintToString(fileName)
           + " and command line " + PrintToString(commandLine)
           )
{
    if (arg.Directory != directory
            || arg.Filename != fileName
            || arg.CommandLine != commandLine)
        return false;

    return true;
}

TEST(RefactoringCompilationDatabase, GetAllFilesContainsTranslationUnit)
{
    RefactoringCompilationDatabase database;
    database.addFile("/tmp", "data.cpp", {"cc", "data.cpp", "-DNO_DEBUG"});

    auto filePaths = database.getAllFiles();

    ASSERT_THAT(filePaths, Contains("/tmp/data.cpp"));
}

TEST(RefactoringCompilationDatabase, CompileCommandForFilePath)
{
    RefactoringCompilationDatabase database;
    database.addFile("/tmp", "data.cpp",  {"cc", "data.cpp", "-DNO_DEBUG"});

    auto compileCommands = database.getAllCompileCommands();

    ASSERT_THAT(compileCommands, Contains(IsCompileCommand("/tmp",
                                                           "data.cpp",
                                                          std::vector<std::string>{"cc", "data.cpp", "-DNO_DEBUG"})));
}

TEST(RefactoringCompilationDatabase, NoCompileCommandForFilePath)
{
    RefactoringCompilationDatabase database;
    database.addFile("/tmp", "data.cpp",  {"cc", "data.cpp", "-DNO_DEBUG"});

    auto compileCommands = database.getAllCompileCommands();

    ASSERT_THAT(compileCommands, Not(Contains(IsCompileCommand("/tmp",
                                                               "data.cpp2",
                                                               std::vector<std::string>{"cc", "data.cpp", "-DNO_DEBUG"}))));
}

TEST(RefactoringCompilationDatabase, FilePaths)
{
    RefactoringCompilationDatabase database;
    database.addFile("/tmp", "data.cpp", {"cc", "data.cpp", "-DNO_DEBUG"});

    auto filePaths = database.getAllFiles();

    ASSERT_THAT(filePaths, Contains("/tmp/data.cpp"));
}

}
