forked from OSchip/llvm-project
351 lines
13 KiB
C++
351 lines
13 KiB
C++
//===- unittest/Tooling/CompilationDatabaseTest.cpp -----------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang/AST/ASTConsumer.h"
|
|
#include "clang/AST/DeclCXX.h"
|
|
#include "clang/AST/DeclGroup.h"
|
|
#include "clang/Frontend/FrontendAction.h"
|
|
#include "clang/Tooling/CompilationDatabase.h"
|
|
#include "clang/Tooling/Tooling.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
namespace clang {
|
|
namespace tooling {
|
|
|
|
static void expectFailure(StringRef JSONDatabase, StringRef Explanation) {
|
|
std::string ErrorMessage;
|
|
EXPECT_EQ(NULL, JSONCompilationDatabase::loadFromBuffer(JSONDatabase,
|
|
ErrorMessage))
|
|
<< "Expected an error because of: " << Explanation;
|
|
}
|
|
|
|
TEST(JSONCompilationDatabase, ErrsOnInvalidFormat) {
|
|
expectFailure("", "Empty database");
|
|
expectFailure("{", "Invalid JSON");
|
|
expectFailure("[[]]", "Array instead of object");
|
|
expectFailure("[{\"a\":[]}]", "Array instead of value");
|
|
expectFailure("[{\"a\":\"b\"}]", "Unknown key");
|
|
expectFailure("[{[]:\"\"}]", "Incorrectly typed entry");
|
|
expectFailure("[{}]", "Empty entry");
|
|
expectFailure("[{\"directory\":\"\",\"command\":\"\"}]", "Missing file");
|
|
expectFailure("[{\"directory\":\"\",\"file\":\"\"}]", "Missing command");
|
|
expectFailure("[{\"command\":\"\",\"file\":\"\"}]", "Missing directory");
|
|
}
|
|
|
|
static std::vector<std::string> getAllFiles(StringRef JSONDatabase,
|
|
std::string &ErrorMessage) {
|
|
llvm::OwningPtr<CompilationDatabase> Database(
|
|
JSONCompilationDatabase::loadFromBuffer(JSONDatabase, ErrorMessage));
|
|
if (!Database) {
|
|
ADD_FAILURE() << ErrorMessage;
|
|
return std::vector<std::string>();
|
|
}
|
|
return Database->getAllFiles();
|
|
}
|
|
|
|
TEST(JSONCompilationDatabase, GetAllFiles) {
|
|
std::string ErrorMessage;
|
|
EXPECT_EQ(std::vector<std::string>(),
|
|
getAllFiles("[]", ErrorMessage)) << ErrorMessage;
|
|
|
|
std::vector<std::string> expected_files;
|
|
expected_files.push_back("file1");
|
|
expected_files.push_back("file2");
|
|
EXPECT_EQ(expected_files, getAllFiles(
|
|
"[{\"directory\":\"dir\","
|
|
"\"command\":\"command\","
|
|
"\"file\":\"file1\"},"
|
|
" {\"directory\":\"dir\","
|
|
"\"command\":\"command\","
|
|
"\"file\":\"file2\"}]",
|
|
ErrorMessage)) << ErrorMessage;
|
|
}
|
|
|
|
static CompileCommand findCompileArgsInJsonDatabase(StringRef FileName,
|
|
StringRef JSONDatabase,
|
|
std::string &ErrorMessage) {
|
|
llvm::OwningPtr<CompilationDatabase> Database(
|
|
JSONCompilationDatabase::loadFromBuffer(JSONDatabase, ErrorMessage));
|
|
if (!Database)
|
|
return CompileCommand();
|
|
std::vector<CompileCommand> Commands = Database->getCompileCommands(FileName);
|
|
EXPECT_LE(Commands.size(), 1u);
|
|
if (Commands.empty())
|
|
return CompileCommand();
|
|
return Commands[0];
|
|
}
|
|
|
|
TEST(findCompileArgsInJsonDatabase, FindsNothingIfEmpty) {
|
|
std::string ErrorMessage;
|
|
CompileCommand NotFound = findCompileArgsInJsonDatabase(
|
|
"a-file.cpp", "", ErrorMessage);
|
|
EXPECT_TRUE(NotFound.CommandLine.empty()) << ErrorMessage;
|
|
EXPECT_TRUE(NotFound.Directory.empty()) << ErrorMessage;
|
|
}
|
|
|
|
TEST(findCompileArgsInJsonDatabase, ReadsSingleEntry) {
|
|
StringRef Directory("/some/directory");
|
|
StringRef FileName("/path/to/a-file.cpp");
|
|
StringRef Command("/path/to/compiler and some arguments");
|
|
std::string ErrorMessage;
|
|
CompileCommand FoundCommand = findCompileArgsInJsonDatabase(
|
|
FileName,
|
|
("[{\"directory\":\"" + Directory + "\"," +
|
|
"\"command\":\"" + Command + "\","
|
|
"\"file\":\"" + FileName + "\"}]").str(),
|
|
ErrorMessage);
|
|
EXPECT_EQ(Directory, FoundCommand.Directory) << ErrorMessage;
|
|
ASSERT_EQ(4u, FoundCommand.CommandLine.size()) << ErrorMessage;
|
|
EXPECT_EQ("/path/to/compiler", FoundCommand.CommandLine[0]) << ErrorMessage;
|
|
EXPECT_EQ("and", FoundCommand.CommandLine[1]) << ErrorMessage;
|
|
EXPECT_EQ("some", FoundCommand.CommandLine[2]) << ErrorMessage;
|
|
EXPECT_EQ("arguments", FoundCommand.CommandLine[3]) << ErrorMessage;
|
|
|
|
CompileCommand NotFound = findCompileArgsInJsonDatabase(
|
|
"a-file.cpp",
|
|
("[{\"directory\":\"" + Directory + "\"," +
|
|
"\"command\":\"" + Command + "\","
|
|
"\"file\":\"" + FileName + "\"}]").str(),
|
|
ErrorMessage);
|
|
EXPECT_TRUE(NotFound.Directory.empty()) << ErrorMessage;
|
|
EXPECT_TRUE(NotFound.CommandLine.empty()) << ErrorMessage;
|
|
}
|
|
|
|
TEST(findCompileArgsInJsonDatabase, ReadsCompileCommandLinesWithSpaces) {
|
|
StringRef Directory("/some/directory");
|
|
StringRef FileName("/path/to/a-file.cpp");
|
|
StringRef Command("\\\"/path to compiler\\\" \\\"and an argument\\\"");
|
|
std::string ErrorMessage;
|
|
CompileCommand FoundCommand = findCompileArgsInJsonDatabase(
|
|
FileName,
|
|
("[{\"directory\":\"" + Directory + "\"," +
|
|
"\"command\":\"" + Command + "\","
|
|
"\"file\":\"" + FileName + "\"}]").str(),
|
|
ErrorMessage);
|
|
ASSERT_EQ(2u, FoundCommand.CommandLine.size());
|
|
EXPECT_EQ("/path to compiler", FoundCommand.CommandLine[0]) << ErrorMessage;
|
|
EXPECT_EQ("and an argument", FoundCommand.CommandLine[1]) << ErrorMessage;
|
|
}
|
|
|
|
TEST(findCompileArgsInJsonDatabase, ReadsDirectoryWithSpaces) {
|
|
StringRef Directory("/some directory / with spaces");
|
|
StringRef FileName("/path/to/a-file.cpp");
|
|
StringRef Command("a command");
|
|
std::string ErrorMessage;
|
|
CompileCommand FoundCommand = findCompileArgsInJsonDatabase(
|
|
FileName,
|
|
("[{\"directory\":\"" + Directory + "\"," +
|
|
"\"command\":\"" + Command + "\","
|
|
"\"file\":\"" + FileName + "\"}]").str(),
|
|
ErrorMessage);
|
|
EXPECT_EQ(Directory, FoundCommand.Directory) << ErrorMessage;
|
|
}
|
|
|
|
TEST(findCompileArgsInJsonDatabase, FindsEntry) {
|
|
StringRef Directory("directory");
|
|
StringRef FileName("file");
|
|
StringRef Command("command");
|
|
std::string JsonDatabase = "[";
|
|
for (int I = 0; I < 10; ++I) {
|
|
if (I > 0) JsonDatabase += ",";
|
|
JsonDatabase +=
|
|
("{\"directory\":\"" + Directory + Twine(I) + "\"," +
|
|
"\"command\":\"" + Command + Twine(I) + "\","
|
|
"\"file\":\"" + FileName + Twine(I) + "\"}").str();
|
|
}
|
|
JsonDatabase += "]";
|
|
std::string ErrorMessage;
|
|
CompileCommand FoundCommand = findCompileArgsInJsonDatabase(
|
|
"file4", JsonDatabase, ErrorMessage);
|
|
EXPECT_EQ("directory4", FoundCommand.Directory) << ErrorMessage;
|
|
ASSERT_EQ(1u, FoundCommand.CommandLine.size()) << ErrorMessage;
|
|
EXPECT_EQ("command4", FoundCommand.CommandLine[0]) << ErrorMessage;
|
|
}
|
|
|
|
static std::vector<std::string> unescapeJsonCommandLine(StringRef Command) {
|
|
std::string JsonDatabase =
|
|
("[{\"directory\":\"\", \"file\":\"test\", \"command\": \"" +
|
|
Command + "\"}]").str();
|
|
std::string ErrorMessage;
|
|
CompileCommand FoundCommand = findCompileArgsInJsonDatabase(
|
|
"test", JsonDatabase, ErrorMessage);
|
|
EXPECT_TRUE(ErrorMessage.empty()) << ErrorMessage;
|
|
return FoundCommand.CommandLine;
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, ReturnsEmptyArrayOnEmptyString) {
|
|
std::vector<std::string> Result = unescapeJsonCommandLine("");
|
|
EXPECT_TRUE(Result.empty());
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, SplitsOnSpaces) {
|
|
std::vector<std::string> Result = unescapeJsonCommandLine("a b c");
|
|
ASSERT_EQ(3ul, Result.size());
|
|
EXPECT_EQ("a", Result[0]);
|
|
EXPECT_EQ("b", Result[1]);
|
|
EXPECT_EQ("c", Result[2]);
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, MungesMultipleSpaces) {
|
|
std::vector<std::string> Result = unescapeJsonCommandLine(" a b ");
|
|
ASSERT_EQ(2ul, Result.size());
|
|
EXPECT_EQ("a", Result[0]);
|
|
EXPECT_EQ("b", Result[1]);
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, UnescapesBackslashCharacters) {
|
|
std::vector<std::string> Backslash = unescapeJsonCommandLine("a\\\\\\\\");
|
|
ASSERT_EQ(1ul, Backslash.size());
|
|
EXPECT_EQ("a\\", Backslash[0]);
|
|
std::vector<std::string> Quote = unescapeJsonCommandLine("a\\\\\\\"");
|
|
ASSERT_EQ(1ul, Quote.size());
|
|
EXPECT_EQ("a\"", Quote[0]);
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, DoesNotMungeSpacesBetweenQuotes) {
|
|
std::vector<std::string> Result = unescapeJsonCommandLine("\\\" a b \\\"");
|
|
ASSERT_EQ(1ul, Result.size());
|
|
EXPECT_EQ(" a b ", Result[0]);
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, AllowsMultipleQuotedArguments) {
|
|
std::vector<std::string> Result = unescapeJsonCommandLine(
|
|
" \\\" a \\\" \\\" b \\\" ");
|
|
ASSERT_EQ(2ul, Result.size());
|
|
EXPECT_EQ(" a ", Result[0]);
|
|
EXPECT_EQ(" b ", Result[1]);
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, AllowsEmptyArgumentsInQuotes) {
|
|
std::vector<std::string> Result = unescapeJsonCommandLine(
|
|
"\\\"\\\"\\\"\\\"");
|
|
ASSERT_EQ(1ul, Result.size());
|
|
EXPECT_TRUE(Result[0].empty()) << Result[0];
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, ParsesEscapedQuotesInQuotedStrings) {
|
|
std::vector<std::string> Result = unescapeJsonCommandLine(
|
|
"\\\"\\\\\\\"\\\"");
|
|
ASSERT_EQ(1ul, Result.size());
|
|
EXPECT_EQ("\"", Result[0]);
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, ParsesMultipleArgumentsWithEscapedCharacters) {
|
|
std::vector<std::string> Result = unescapeJsonCommandLine(
|
|
" \\\\\\\" \\\"a \\\\\\\" b \\\" \\\"and\\\\\\\\c\\\" \\\\\\\"");
|
|
ASSERT_EQ(4ul, Result.size());
|
|
EXPECT_EQ("\"", Result[0]);
|
|
EXPECT_EQ("a \" b ", Result[1]);
|
|
EXPECT_EQ("and\\c", Result[2]);
|
|
EXPECT_EQ("\"", Result[3]);
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, ParsesStringsWithoutSpacesIntoSingleArgument) {
|
|
std::vector<std::string> QuotedNoSpaces = unescapeJsonCommandLine(
|
|
"\\\"a\\\"\\\"b\\\"");
|
|
ASSERT_EQ(1ul, QuotedNoSpaces.size());
|
|
EXPECT_EQ("ab", QuotedNoSpaces[0]);
|
|
|
|
std::vector<std::string> MixedNoSpaces = unescapeJsonCommandLine(
|
|
"\\\"a\\\"bcd\\\"ef\\\"\\\"\\\"\\\"g\\\"");
|
|
ASSERT_EQ(1ul, MixedNoSpaces.size());
|
|
EXPECT_EQ("abcdefg", MixedNoSpaces[0]);
|
|
}
|
|
|
|
TEST(unescapeJsonCommandLine, ParsesQuotedStringWithoutClosingQuote) {
|
|
std::vector<std::string> Unclosed = unescapeJsonCommandLine("\\\"abc");
|
|
ASSERT_EQ(1ul, Unclosed.size());
|
|
EXPECT_EQ("abc", Unclosed[0]);
|
|
|
|
std::vector<std::string> Empty = unescapeJsonCommandLine("\\\"");
|
|
ASSERT_EQ(1ul, Empty.size());
|
|
EXPECT_EQ("", Empty[0]);
|
|
}
|
|
|
|
TEST(FixedCompilationDatabase, ReturnsFixedCommandLine) {
|
|
std::vector<std::string> CommandLine;
|
|
CommandLine.push_back("one");
|
|
CommandLine.push_back("two");
|
|
FixedCompilationDatabase Database(".", CommandLine);
|
|
std::vector<CompileCommand> Result =
|
|
Database.getCompileCommands("source");
|
|
ASSERT_EQ(1ul, Result.size());
|
|
std::vector<std::string> ExpectedCommandLine(1, "clang-tool");
|
|
ExpectedCommandLine.insert(ExpectedCommandLine.end(),
|
|
CommandLine.begin(), CommandLine.end());
|
|
ExpectedCommandLine.push_back("source");
|
|
EXPECT_EQ(".", Result[0].Directory);
|
|
EXPECT_EQ(ExpectedCommandLine, Result[0].CommandLine);
|
|
}
|
|
|
|
TEST(FixedCompilationDatabase, GetAllFiles) {
|
|
std::vector<std::string> CommandLine;
|
|
CommandLine.push_back("one");
|
|
CommandLine.push_back("two");
|
|
FixedCompilationDatabase Database(".", CommandLine);
|
|
|
|
EXPECT_EQ(0ul, Database.getAllFiles().size());
|
|
}
|
|
|
|
TEST(ParseFixedCompilationDatabase, ReturnsNullOnEmptyArgumentList) {
|
|
int Argc = 0;
|
|
llvm::OwningPtr<FixedCompilationDatabase> Database(
|
|
FixedCompilationDatabase::loadFromCommandLine(Argc, NULL));
|
|
EXPECT_FALSE(Database);
|
|
EXPECT_EQ(0, Argc);
|
|
}
|
|
|
|
TEST(ParseFixedCompilationDatabase, ReturnsNullWithoutDoubleDash) {
|
|
int Argc = 2;
|
|
const char *Argv[] = { "1", "2" };
|
|
llvm::OwningPtr<FixedCompilationDatabase> Database(
|
|
FixedCompilationDatabase::loadFromCommandLine(Argc, Argv));
|
|
EXPECT_FALSE(Database);
|
|
EXPECT_EQ(2, Argc);
|
|
}
|
|
|
|
TEST(ParseFixedCompilationDatabase, ReturnsArgumentsAfterDoubleDash) {
|
|
int Argc = 5;
|
|
const char *Argv[] = { "1", "2", "--\0no-constant-folding", "3", "4" };
|
|
llvm::OwningPtr<FixedCompilationDatabase> Database(
|
|
FixedCompilationDatabase::loadFromCommandLine(Argc, Argv));
|
|
ASSERT_TRUE(Database);
|
|
std::vector<CompileCommand> Result =
|
|
Database->getCompileCommands("source");
|
|
ASSERT_EQ(1ul, Result.size());
|
|
ASSERT_EQ(".", Result[0].Directory);
|
|
std::vector<std::string> CommandLine;
|
|
CommandLine.push_back("clang-tool");
|
|
CommandLine.push_back("3");
|
|
CommandLine.push_back("4");
|
|
CommandLine.push_back("source");
|
|
ASSERT_EQ(CommandLine, Result[0].CommandLine);
|
|
EXPECT_EQ(2, Argc);
|
|
}
|
|
|
|
TEST(ParseFixedCompilationDatabase, ReturnsEmptyCommandLine) {
|
|
int Argc = 3;
|
|
const char *Argv[] = { "1", "2", "--\0no-constant-folding" };
|
|
llvm::OwningPtr<FixedCompilationDatabase> Database(
|
|
FixedCompilationDatabase::loadFromCommandLine(Argc, Argv));
|
|
ASSERT_TRUE(Database);
|
|
std::vector<CompileCommand> Result =
|
|
Database->getCompileCommands("source");
|
|
ASSERT_EQ(1ul, Result.size());
|
|
ASSERT_EQ(".", Result[0].Directory);
|
|
std::vector<std::string> CommandLine;
|
|
CommandLine.push_back("clang-tool");
|
|
CommandLine.push_back("source");
|
|
ASSERT_EQ(CommandLine, Result[0].CommandLine);
|
|
EXPECT_EQ(2, Argc);
|
|
}
|
|
|
|
} // end namespace tooling
|
|
} // end namespace clang
|