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/*
* Copyright 2018 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Firestore/core/src/firebase/firestore/local/local_serializer.h"
#include "Firestore/Protos/cpp/firestore/local/maybe_document.pb.h"
#include "Firestore/core/src/firebase/firestore/model/field_value.h"
#include "Firestore/core/src/firebase/firestore/model/maybe_document.h"
#include "Firestore/core/src/firebase/firestore/model/snapshot_version.h"
#include "Firestore/core/src/firebase/firestore/remote/serializer.h"
#include "Firestore/core/src/firebase/firestore/util/status.h"
#include "Firestore/core/test/firebase/firestore/testutil/testutil.h"
#include "google/protobuf/util/message_differencer.h"
#include "gtest/gtest.h"
namespace local = firebase::firestore::local;
namespace remote = firebase::firestore::remote;
namespace v1beta1 = google::firestore::v1beta1;
using firebase::firestore::model::DatabaseId;
using firebase::firestore::model::Document;
using firebase::firestore::model::DocumentKey;
using firebase::firestore::model::MaybeDocument;
using firebase::firestore::model::SnapshotVersion;
using firebase::firestore::testutil::Doc;
using firebase::firestore::util::Status;
using firebase::firestore::util::StatusOr;
using google::protobuf::util::MessageDifferencer;
// TODO(rsgowman): This is copied from remote/serializer_tests.cc. Refactor.
#define EXPECT_OK(status) EXPECT_TRUE(StatusOk(status))
class LocalSerializerTest : public ::testing::Test {
public:
LocalSerializerTest()
: remote_serializer(kDatabaseId), serializer(remote_serializer) {
msg_diff.ReportDifferencesToString(&message_differences);
}
const DatabaseId kDatabaseId{"p", "d"};
remote::Serializer remote_serializer;
local::LocalSerializer serializer;
void ExpectRoundTrip(const MaybeDocument& model,
const firestore::client::MaybeDocument& proto,
MaybeDocument::Type type) {
// First, serialize model with our (nanopb based) serializer, then
// deserialize the resulting bytes with libprotobuf and ensure the result is
// the same as the expected proto.
ExpectSerializationRoundTrip(model, proto, type);
// Next, serialize proto with libprotobuf, then deserialize the resulting
// bytes with our (nanopb based) deserializer and ensure the result is the
// same as the expected model.
ExpectDeserializationRoundTrip(model, proto, type);
}
/**
* Checks the status. Don't use directly; use one of the relevant macros
* instead. eg:
*
* Status good_status = ...;
* ASSERT_OK(good_status);
*
* Status bad_status = ...;
* EXPECT_NOT_OK(bad_status);
*/
// TODO(rsgowman): This is copied from remote/serializer_tests.cc. Refactor.
testing::AssertionResult StatusOk(const Status& status) {
if (!status.ok()) {
return testing::AssertionFailure()
<< "Status should have been ok, but instead contained "
<< status.ToString();
}
return testing::AssertionSuccess();
}
// TODO(rsgowman): This is copied from remote/serializer_tests.cc. Refactor.
template <typename T>
testing::AssertionResult StatusOk(const StatusOr<T>& status) {
return StatusOk(status.status());
}
private:
void ExpectSerializationRoundTrip(
const MaybeDocument& model,
const firestore::client::MaybeDocument& proto,
MaybeDocument::Type type) {
EXPECT_EQ(type, model.type());
std::vector<uint8_t> bytes = EncodeMaybeDocument(&serializer, model);
firestore::client::MaybeDocument actual_proto;
bool ok = actual_proto.ParseFromArray(bytes.data(),
static_cast<int>(bytes.size()));
EXPECT_TRUE(ok);
EXPECT_TRUE(msg_diff.Compare(proto, actual_proto)) << message_differences;
}
void ExpectDeserializationRoundTrip(
const MaybeDocument& model,
const firestore::client::MaybeDocument& proto,
MaybeDocument::Type type) {
std::vector<uint8_t> bytes(proto.ByteSizeLong());
bool status =
proto.SerializeToArray(bytes.data(), static_cast<int>(bytes.size()));
EXPECT_TRUE(status);
StatusOr<std::unique_ptr<MaybeDocument>> actual_model_status =
serializer.DecodeMaybeDocument(bytes);
EXPECT_OK(actual_model_status);
std::unique_ptr<MaybeDocument> actual_model =
std::move(actual_model_status).ValueOrDie();
EXPECT_EQ(type, actual_model->type());
EXPECT_EQ(model, *actual_model);
}
std::vector<uint8_t> EncodeMaybeDocument(local::LocalSerializer* serializer,
const MaybeDocument& maybe_doc) {
std::vector<uint8_t> bytes;
Status status = serializer->EncodeMaybeDocument(maybe_doc, &bytes);
EXPECT_OK(status);
return bytes;
}
std::string message_differences;
MessageDifferencer msg_diff;
};
TEST_F(LocalSerializerTest, EncodesDocumentAsMaybeDocument) {
Document doc = Doc("some/path", /*version=*/42);
firestore::client::MaybeDocument maybe_doc_proto;
maybe_doc_proto.mutable_document()->set_name(
"projects/p/databases/d/documents/some/path");
maybe_doc_proto.mutable_document()->mutable_update_time()->set_seconds(0);
maybe_doc_proto.mutable_document()->mutable_update_time()->set_nanos(42000);
ExpectRoundTrip(doc, maybe_doc_proto, doc.type());
}
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