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//===--- LocalizationTest.h - Helper for setting up locale tests -*- C++-*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#ifndef LOCALIZATION_TEST_H
#define LOCALIZATION_TEST_H
#include "swift/Localization/LocalizationFormat.h"
#include "swift/Basic/Compiler.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
#include "gtest/gtest.h"
#include <random>
#include <string>
#include <system_error>
using namespace swift::diag;
namespace swift {
namespace unittests {
enum LocalDiagID : uint32_t {
#define DIAG(KIND, ID, Options, Text, Signature) ID,
#include "swift/AST/DiagnosticsAll.def"
NumDiags
};
static constexpr const char *const diagnosticID[] = {
#define DIAG(KIND, ID, Options, Text, Signature) #ID,
#include "swift/AST/DiagnosticsAll.def"
};
static constexpr const char *const diagnosticMessages[] = {
#define DIAG(KIND, ID, Options, Text, Signature) Text,
#include "swift/AST/DiagnosticsAll.def"
};
struct LocalizationTest : public ::testing::Test {
llvm::SmallVector<std::string, 4> TempFiles;
public:
std::string DiagsPath;
LocalizationTest() {
DiagsPath = std::string(createTemporaryFile("en", "strings"));
}
void SetUp() override {
bool failed = convertDefIntoStrings(DiagsPath);
assert(!failed && "failed to generate a `.strings` file");
}
void TearDown() override {
for (auto &tmp : TempFiles)
llvm::sys::fs::remove(tmp);
}
std::string createTemporaryFile(std::string prefix, std::string suffix) {
llvm::SmallString<128> tempFile;
std::error_code error =
llvm::sys::fs::createTemporaryFile(prefix, suffix, tempFile);
assert(!error);
// Can't use llvm::sys::RemoveFileOnSignal(tempFile) because
// signals are not available on Windows.
auto tmp = std::string(tempFile);
TempFiles.push_back(tmp);
return tmp;
}
/// Random number in [0,n)
unsigned RandNumber(unsigned n) { return unsigned(rand()) % n; }
protected:
static bool convertDefIntoStrings(std::string outputPath) {
std::error_code error;
llvm::raw_fd_ostream OS(outputPath, error, llvm::sys::fs::OF_None);
if (OS.has_error() || error)
return true;
llvm::ArrayRef<const char *> ids(diagnosticID, LocalDiagID::NumDiags);
llvm::ArrayRef<const char *> messages(diagnosticMessages,
LocalDiagID::NumDiags);
DefToStringsConverter converter(ids, messages);
converter.convert(OS);
OS.flush();
return OS.has_error();
}
};
} // end namespace unittests
} // end namespace swift
#endif
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