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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.
// http://code.google.com/p/protobuf/
//
// 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.
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
#include <google/protobuf/message.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef _MSC_VER
#include <io.h>
#else
#include <unistd.h>
#endif
#include <sstream>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/io/zero_copy_stream_impl.h>
#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/unittest.pb.h>
#include <google/protobuf/test_util.h>
#include <google/protobuf/testing/googletest.h>
#include <gtest/gtest.h>
namespace google {
namespace protobuf {
#ifndef O_BINARY
#ifdef _O_BINARY
#define O_BINARY _O_BINARY
#else
#define O_BINARY 0 // If this isn't defined, the platform doesn't need it.
#endif
#endif
TEST(MessageTest, SerializeHelpers) {
// TODO(kenton): Test more helpers? They're all two-liners so it seems
// like a waste of time.
protobuf_unittest::TestAllTypes message;
TestUtil::SetAllFields(&message);
stringstream stream;
string str1("foo");
string str2("bar");
message.SerializeToString(&str1);
message.AppendToString(&str2);
message.SerializeToOstream(&stream);
EXPECT_EQ(str1.size() + 3, str2.size());
EXPECT_EQ("bar", str2.substr(0, 3));
// Don't use EXPECT_EQ because we don't want to dump raw binary data to
// stdout.
EXPECT_TRUE(str2.substr(3) == str1);
// GCC gives some sort of error if we try to just do stream.str() == str1.
string temp = stream.str();
EXPECT_TRUE(temp == str1);
}
TEST(MessageTest, ParseFromFileDescriptor) {
string filename = TestSourceDir() +
"/google/protobuf/testdata/golden_message";
int file = open(filename.c_str(), O_RDONLY | O_BINARY);
unittest::TestAllTypes message;
EXPECT_TRUE(message.ParseFromFileDescriptor(file));
TestUtil::ExpectAllFieldsSet(message);
EXPECT_GE(close(file), 0);
}
TEST(MessageTest, ParseHelpers) {
// TODO(kenton): Test more helpers? They're all two-liners so it seems
// like a waste of time.
string data;
{
// Set up.
protobuf_unittest::TestAllTypes message;
TestUtil::SetAllFields(&message);
message.SerializeToString(&data);
}
{
// Test ParseFromString.
protobuf_unittest::TestAllTypes message;
EXPECT_TRUE(message.ParseFromString(data));
TestUtil::ExpectAllFieldsSet(message);
}
{
// Test ParseFromIstream.
protobuf_unittest::TestAllTypes message;
stringstream stream(data);
EXPECT_TRUE(message.ParseFromIstream(&stream));
EXPECT_TRUE(stream.eof());
TestUtil::ExpectAllFieldsSet(message);
}
}
TEST(MessageTest, ParseFailsIfNotInitialized) {
unittest::TestRequired message;
vector<string> errors;
{
ScopedMemoryLog log;
EXPECT_FALSE(message.ParseFromString(""));
errors = log.GetMessages(ERROR);
}
ASSERT_EQ(1, errors.size());
EXPECT_EQ("Can't parse message of type \"protobuf_unittest.TestRequired\" "
"because it is missing required fields: a, b, c",
errors[0]);
}
TEST(MessageTest, BypassInitializationCheckOnParse) {
unittest::TestRequired message;
io::ArrayInputStream raw_input(NULL, 0);
io::CodedInputStream input(&raw_input);
EXPECT_TRUE(message.MergePartialFromCodedStream(&input));
}
TEST(MessageTest, InitializationErrorString) {
unittest::TestRequired message;
EXPECT_EQ("a, b, c", message.InitializationErrorString());
}
#ifdef GTEST_HAS_DEATH_TEST // death tests do not work on Windows yet.
TEST(MessageTest, SerializeFailsIfNotInitialized) {
unittest::TestRequired message;
string data;
EXPECT_DEBUG_DEATH(EXPECT_TRUE(message.SerializeToString(&data)),
"Can't serialize message of type \"protobuf_unittest.TestRequired\" because "
"it is missing required fields: a, b, c");
}
TEST(MessageTest, CheckInitialized) {
unittest::TestRequired message;
EXPECT_DEATH(message.CheckInitialized(),
"Message of type \"protobuf_unittest.TestRequired\" is missing required "
"fields: a, b, c");
}
#endif // GTEST_HAS_DEATH_TEST
TEST(MessageTest, BypassInitializationCheckOnSerialize) {
unittest::TestRequired message;
io::ArrayOutputStream raw_output(NULL, 0);
io::CodedOutputStream output(&raw_output);
EXPECT_TRUE(message.SerializePartialToCodedStream(&output));
}
TEST(MessageTest, FindInitializationErrors) {
unittest::TestRequired message;
vector<string> errors;
message.FindInitializationErrors(&errors);
ASSERT_EQ(3, errors.size());
EXPECT_EQ("a", errors[0]);
EXPECT_EQ("b", errors[1]);
EXPECT_EQ("c", errors[2]);
}
TEST(MessageTest, ParseFailsOnInvalidMessageEnd) {
unittest::TestAllTypes message;
// Control case.
EXPECT_TRUE(message.ParseFromArray("", 0));
// The byte is a valid varint, but not a valid tag (zero).
EXPECT_FALSE(message.ParseFromArray("\0", 1));
// The byte is a malformed varint.
EXPECT_FALSE(message.ParseFromArray("\200", 1));
// The byte is an endgroup tag, but we aren't parsing a group.
EXPECT_FALSE(message.ParseFromArray("\014", 1));
}
TEST(MessageFactoryTest, GeneratedFactoryLookup) {
EXPECT_EQ(
MessageFactory::generated_factory()->GetPrototype(
protobuf_unittest::TestAllTypes::descriptor()),
&protobuf_unittest::TestAllTypes::default_instance());
}
TEST(MessageFactoryTest, GeneratedFactoryUnknownType) {
// Construct a new descriptor.
DescriptorPool pool;
FileDescriptorProto file;
file.set_name("foo.proto");
file.add_message_type()->set_name("Foo");
const Descriptor* descriptor = pool.BuildFile(file)->message_type(0);
// Trying to construct it should return NULL.
EXPECT_TRUE(
MessageFactory::generated_factory()->GetPrototype(descriptor) == NULL);
}
} // namespace protobuf
} // namespace google
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