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119 lines
3.7 KiB
C++
119 lines
3.7 KiB
C++
//===--- LocalizationProducerTests.cpp -------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "LocalizationTest.h"
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#include "swift/Localization/LocalizationFormat.h"
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#include "llvm/ADT/SmallBitVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/raw_ostream.h"
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#include "gtest/gtest.h"
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#include <string>
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#include <random>
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using namespace swift::diag;
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using namespace swift::unittests;
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TEST_F(LocalizationTest, TestStringsSerialization) {
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StringsLocalizationProducer strings(DiagsPath);
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auto dbFile = createTemporaryFile("en", "db");
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// First, let's serialize English translations
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{
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SerializedLocalizationWriter writer;
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strings.forEachAvailable(
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[&writer](swift::DiagID id, llvm::StringRef translation) {
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writer.insert(id, translation);
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});
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ASSERT_FALSE(writer.emit(dbFile));
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}
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// Now, let's make sure that serialized version matches "source" YAML
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auto dbContent = llvm::MemoryBuffer::getFile(dbFile);
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ASSERT_TRUE(dbContent);
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SerializedLocalizationProducer db(std::move(dbContent.get()));
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strings.forEachAvailable(
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[&db](swift::DiagID id, llvm::StringRef translation) {
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ASSERT_EQ(translation, db.getMessageOr(id, "<no-fallback>"));
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});
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}
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TEST_F(LocalizationTest, TestSerializationOfEmptyFile) {
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auto dbFile = createTemporaryFile("by", "db");
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SerializedLocalizationWriter writer;
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ASSERT_FALSE(writer.emit(dbFile));
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StringsLocalizationProducer strings(DiagsPath);
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// Reading of the empty `db` file should always return default message.
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{
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auto dbContent = llvm::MemoryBuffer::getFile(dbFile);
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ASSERT_TRUE(dbContent);
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SerializedLocalizationProducer db(std::move(dbContent.get()));
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strings.forEachAvailable([&db](swift::DiagID id,
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llvm::StringRef translation) {
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ASSERT_EQ("<<<default-fallback>>>",
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db.getMessageOr(id, "<<<default-fallback>>>"));
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});
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}
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}
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TEST_F(LocalizationTest, TestSerializationWithGaps) {
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// Initially all of the messages are included.
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llvm::SmallBitVector includedMessages(LocalDiagID::NumDiags, true);
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// Let's punch some holes in the diagnostic content.
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for (unsigned i = 0, n = 200; i != n; ++i) {
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unsigned position = RandNumber(LocalDiagID::NumDiags);
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includedMessages.flip(position);
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}
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StringsLocalizationProducer strings(DiagsPath);
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auto dbFile = createTemporaryFile("en", "db");
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{
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SerializedLocalizationWriter writer;
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strings.forEachAvailable(
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[&](swift::DiagID id, llvm::StringRef translation) {
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if (includedMessages.test((unsigned)id))
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writer.insert(id, translation);
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});
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ASSERT_FALSE(writer.emit(dbFile));
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}
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{
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auto dbContent = llvm::MemoryBuffer::getFile(dbFile);
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ASSERT_TRUE(dbContent);
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SerializedLocalizationProducer db(std::move(dbContent.get()));
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strings.forEachAvailable([&](swift::DiagID id,
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llvm::StringRef translation) {
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auto position = (unsigned)id;
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std::string expectedMessage = includedMessages.test(position)
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? std::string(translation)
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: "<<<default-fallback>>>";
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ASSERT_EQ(expectedMessage, db.getMessageOr(id, "<<<default-fallback>>>"));
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});
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}
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}
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