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#include "json_test.h"
#include "flatbuffers/flatbuffers.h"
#include "flatbuffers/idl.h"
#include "monster_test_bfbs_generated.h"
#include "monster_test_generated.h"
#include "optional_scalars_generated.h"
#include "test_assert.h"
namespace flatbuffers {
namespace tests {
using namespace MyGame::Example;
// Check stringify of an default enum value to json
void JsonDefaultTest(const std::string &tests_data_path) {
// load FlatBuffer schema (.fbs) from disk
std::string schemafile;
TEST_EQ(flatbuffers::LoadFile((tests_data_path + "monster_test.fbs").c_str(),
false, &schemafile),
true);
// parse schema first, so we can use it to parse the data after
flatbuffers::Parser parser;
auto include_test_path =
flatbuffers::ConCatPathFileName(tests_data_path, "include_test");
const char *include_directories[] = { tests_data_path.c_str(),
include_test_path.c_str(), nullptr };
TEST_EQ(parser.Parse(schemafile.c_str(), include_directories), true);
// create incomplete monster and store to json
parser.opts.output_default_scalars_in_json = true;
parser.opts.output_enum_identifiers = true;
flatbuffers::FlatBufferBuilder builder;
auto name = builder.CreateString("default_enum");
MonsterBuilder color_monster(builder);
color_monster.add_name(name);
FinishMonsterBuffer(builder, color_monster.Finish());
std::string jsongen;
auto result = GenText(parser, builder.GetBufferPointer(), &jsongen);
TEST_NULL(result);
// default value of the "color" field is Blue
TEST_EQ(std::string::npos != jsongen.find("color: \"Blue\""), true);
// default value of the "testf" field is 3.14159
TEST_EQ(std::string::npos != jsongen.find("testf: 3.14159"), true);
}
void JsonEnumsTest(const std::string &tests_data_path) {
// load FlatBuffer schema (.fbs) from disk
std::string schemafile;
TEST_EQ(flatbuffers::LoadFile((tests_data_path + "monster_test.fbs").c_str(),
false, &schemafile),
true);
// parse schema first, so we can use it to parse the data after
flatbuffers::Parser parser;
auto include_test_path =
flatbuffers::ConCatPathFileName(tests_data_path, "include_test");
const char *include_directories[] = { tests_data_path.c_str(),
include_test_path.c_str(), nullptr };
parser.opts.output_enum_identifiers = true;
TEST_EQ(parser.Parse(schemafile.c_str(), include_directories), true);
flatbuffers::FlatBufferBuilder builder;
auto name = builder.CreateString("bitflag_enum");
MonsterBuilder color_monster(builder);
color_monster.add_name(name);
color_monster.add_color(Color(Color_Blue | Color_Red));
FinishMonsterBuffer(builder, color_monster.Finish());
std::string jsongen;
auto result = GenText(parser, builder.GetBufferPointer(), &jsongen);
TEST_NULL(result);
TEST_EQ(std::string::npos != jsongen.find("color: \"Red Blue\""), true);
// Test forward compatibility with 'output_enum_identifiers = true'.
// Current Color doesn't have '(1u << 2)' field, let's add it.
builder.Clear();
std::string future_json;
auto future_name = builder.CreateString("future bitflag_enum");
MonsterBuilder future_color(builder);
future_color.add_name(future_name);
future_color.add_color(
static_cast<Color>((1u << 2) | Color_Blue | Color_Red));
FinishMonsterBuffer(builder, future_color.Finish());
result = GenText(parser, builder.GetBufferPointer(), &future_json);
TEST_NULL(result);
TEST_EQ(std::string::npos != future_json.find("color: 13"), true);
}
void JsonOptionalTest(const std::string &tests_data_path,
bool default_scalars) {
// load FlatBuffer schema (.fbs) and JSON from disk
std::string schemafile;
std::string jsonfile;
TEST_EQ(
flatbuffers::LoadFile((tests_data_path + "optional_scalars.fbs").c_str(),
false, &schemafile),
true);
TEST_EQ(flatbuffers::LoadFile((tests_data_path + "optional_scalars" +
(default_scalars ? "_defaults" : "") + ".json")
.c_str(),
false, &jsonfile),
true);
auto include_test_path =
flatbuffers::ConCatPathFileName(tests_data_path, "include_test");
const char *include_directories[] = { tests_data_path.c_str(),
include_test_path.c_str(), nullptr };
// parse schema first, so we can use it to parse the data after
flatbuffers::Parser parser;
parser.opts.output_default_scalars_in_json = default_scalars;
TEST_EQ(parser.Parse(schemafile.c_str(), include_directories), true);
TEST_EQ(parser.ParseJson(jsonfile.c_str()), true);
// here, parser.builder_ contains a binary buffer that is the parsed data.
// First, verify it, just in case:
flatbuffers::Verifier verifier(parser.builder_.GetBufferPointer(),
parser.builder_.GetSize());
TEST_EQ(optional_scalars::VerifyScalarStuffBuffer(verifier), true);
// to ensure it is correct, we now generate text back from the binary,
// and compare the two:
std::string jsongen;
auto result = GenText(parser, parser.builder_.GetBufferPointer(), &jsongen);
TEST_NULL(result);
TEST_EQ_STR(jsongen.c_str(), jsonfile.c_str());
}
void ParseIncorrectMonsterJsonTest(const std::string &tests_data_path) {
std::string schemafile;
TEST_EQ(flatbuffers::LoadFile((tests_data_path + "monster_test.bfbs").c_str(),
true, &schemafile),
true);
flatbuffers::Parser parser;
flatbuffers::Verifier verifier(
reinterpret_cast<const uint8_t *>(schemafile.c_str()), schemafile.size());
TEST_EQ(reflection::VerifySchemaBuffer(verifier), true);
TEST_EQ(
parser.Deserialize(reinterpret_cast<const uint8_t *>(schemafile.c_str()),
schemafile.size()),
true);
TEST_EQ(parser.ParseJson("{name:\"monster\"}"), true);
TEST_EQ(parser.ParseJson(""), false);
TEST_EQ(parser.ParseJson("{name: 1}"), false);
TEST_EQ(parser.ParseJson("{name:+1}"), false);
TEST_EQ(parser.ParseJson("{name:-1}"), false);
TEST_EQ(parser.ParseJson("{name:-f}"), false);
TEST_EQ(parser.ParseJson("{name:+f}"), false);
}
void JsonUnsortedArrayTest() {
flatbuffers::Parser parser;
TEST_EQ(parser.Deserialize(MyGame::Example::MonsterBinarySchema::data(),
MyGame::Example::MonsterBinarySchema::size()),
true);
auto jsonStr = R"(
{
"name": "lookupTest",
"testarrayoftables": [
{ "name": "aaa" },
{ "name": "ccc" },
{ "name": "bbb" }
]
}
)";
TEST_EQ(parser.ParseJson(jsonStr), true);
auto monster = flatbuffers::GetRoot<MyGame::Example::Monster>(
parser.builder_.GetBufferPointer());
TEST_NOTNULL(monster->testarrayoftables()->LookupByKey("aaa"));
TEST_NOTNULL(monster->testarrayoftables()->LookupByKey("bbb"));
TEST_NOTNULL(monster->testarrayoftables()->LookupByKey("ccc"));
}
void JsonUnionStructTest() {
// schema to parse data
auto schema = R"(
struct MyStruct { field: int; }
union UnionWithStruct { MyStruct }
table JsonUnionStructTest { union_with_struct: UnionWithStruct; }
root_type JsonUnionStructTest;
)";
// source text to parse and expected result of generation text back
auto json_source = R"({
union_with_struct_type: "MyStruct",
union_with_struct: {
field: 12345
}
}
)";
flatbuffers::Parser parser;
// set output language to JSON, so we assure that is supported
parser.opts.lang_to_generate = IDLOptions::kJson;
// parse schema first, so we assure that output language is supported
// and can use it to parse the data after
TEST_EQ(true, parser.Parse(schema));
TEST_EQ(true, parser.ParseJson(json_source));
// now generate text back from the binary, and compare the two:
std::string json_generated;
auto generate_result =
GenText(parser, parser.builder_.GetBufferPointer(), &json_generated);
TEST_NULL(generate_result);
TEST_EQ_STR(json_source, json_generated.c_str());
}
} // namespace tests
} // namespace flatbuffers
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