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peerplays-fc/tests/io/json_tests.cpp
baris g c737311313 Update tests/io/json_tests.cpp
2022-09-19 22:05:07 +00:00

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#include <boost/test/unit_test.hpp>
#include <fc/variant.hpp>
#include <fc/variant_object.hpp>
#include <fc/exception/exception.hpp>
#include <fc/io/buffered_iostream.hpp>
#include <fc/io/fstream.hpp>
#include <fc/io/iostream.hpp>
#include <fc/io/json.hpp>
#include <fc/io/sstream.hpp>
#include <fstream>
BOOST_AUTO_TEST_SUITE(json_tests)
static void replace_some( std::string& str )
{
for( size_t i = 0; i < str.length(); i++ )
if( str[i] == '\1' ) str[i] = '\0';
else if( str[i] == '\'' ) str[i] = '"';
}
static void test_fail_string( const std::string& str )
{
try {
fc::json::from_string( str );
BOOST_FAIL( "json::from_string('" + str + "') failed" );
} catch( const fc::parse_error_exception& ) { // ignore, ok
} catch( const fc::eof_exception& ) { // ignore, ok
} FC_CAPTURE_LOG_AND_RETHROW( ("json::from_string failed")(str) )
}
static void test_fail_stream( const std::string& str )
{
fc::temp_file file( fc::temp_directory_path(), true );
{
std::fstream init( file.path().to_native_ansi_path(), std::fstream::out | std::fstream::trunc );
init.write( str.c_str(), str.length() );
init.close();
}
try {
fc::istream_ptr in( new fc::ifstream( file.path() ) );
fc::buffered_istream bin( in );
fc::json::from_stream( bin );
BOOST_FAIL( "json::from_stream('" + str + "') failed using ifstream" );
} catch( const fc::parse_error_exception& ) { // ignore, ok
} catch( const fc::eof_exception& ) { // ignore, ok
} FC_CAPTURE_LOG_AND_RETHROW( ("json::from_stream failed using ifstream")(str) )
try {
fc::istream_ptr in( new fc::stringstream( str ) );
fc::buffered_istream bin( in );
fc::json::from_stream( bin );
BOOST_FAIL( "json::from_stream('" + str + "') failed using stringstream" );
} catch( const fc::parse_error_exception& ) { // ignore, ok
} catch( const fc::eof_exception& ) { // ignore, ok
} FC_CAPTURE_LOG_AND_RETHROW( ("json::from_stream failed using stringstream")(str) )
}
static void test_fail_file( const std::string& str )
{
fc::temp_file file( fc::temp_directory_path(), true );
{
std::fstream init( file.path().to_native_ansi_path(), std::fstream::out | std::fstream::trunc );
init.write( str.c_str(), str.length() );
init.close();
}
try {
fc::json::from_file( file.path() );
BOOST_FAIL( "json::from_file('" + str + "') failed using" );
} catch( const fc::parse_error_exception& ) { // ignore, ok
} catch( const fc::eof_exception& ) { // ignore, ok
} FC_CAPTURE_LOG_AND_RETHROW( ("json::from_file failed")(str) )
}
BOOST_AUTO_TEST_CASE(imbalanced_test)
{
std::string open40("[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[");
std::string close40("]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]");
std::string open80 = open40 + open40;
std::string close80 = close40 + close40;
std::vector<std::string> tests
{ // for easier handling and better readability, in the following test
// strings ' is used instead of " and \1 instead of \0
"",
"{",
"{'",
"{'}",
"{'a'",
"{'a':",
"{'a':5",
"[",
"['",
"[']",
"[ 13",
"' end",
"{ 13: }",
"\1",
"{\1",
"{\1}",
"{'\1",
"{'\1}",
"{'a'\1",
"{'a'\1}",
"{'a': \1",
"{'a': \1}",
"[\1",
"[\1]",
"['\1",
"['\1]",
"[ 13\1",
"[ 13\1]",
"' end\1",
open80 + "'" + close80 + close80 + "'," + open80 + open80
+ close80 + close80 + close80
};
for( std::string test : tests )
{
replace_some( test );
test_fail_string( test );
test_fail_stream( test );
test_fail_file( test );
}
}
static bool equal( const fc::variant& a, const fc::variant& b )
{
auto a_type = a.get_type();
auto b_type = b.get_type();
if( a_type == fc::variant::type_id::int64_type && a.as<int64_t>(1) > 0 )
a_type = fc::variant::type_id::uint64_type;
if( b_type == fc::variant::type_id::int64_type && b.as<int64_t>(1) > 0 )
b_type = fc::variant::type_id::uint64_type;
if( a_type != b_type )
{
if( ( a_type == fc::variant::type_id::double_type
&& b_type == fc::variant::type_id::string_type )
|| ( a_type == fc::variant::type_id::string_type
&& b_type == fc::variant::type_id::double_type ) )
return a.as<double>(1) == b.as<double>(1);
return false;
}
switch( a_type )
{
case fc::variant::type_id::null_type: return true;
case fc::variant::type_id::int64_type: return a.as<int64_t>(1) == b.as<int64_t>(1);
case fc::variant::type_id::uint64_type: return a.as<uint64_t>(1) == b.as<uint64_t>(1);
case fc::variant::type_id::double_type: return a.as<double>(1) == b.as<double>(1);
case fc::variant::type_id::bool_type: return a.as<bool>(1) == b.as<bool>(1);
case fc::variant::type_id::string_type: return a.as<std::string>(1) == b.as<std::string>(1);
case fc::variant::type_id::array_type:
if( a.get_array().size() != b.get_array().size() ) return false;
else
{
std::vector<fc::variant>::const_iterator b_it = b.get_array().begin();
for( const auto& a_it : a.get_array() )
{
if( !equal( a_it, *b_it ) ) return false;
b_it++;
}
}
return true;
case fc::variant::type_id::object_type:
if( a.get_object().size() != b.get_object().size() ) return false;
for( const auto& a_it : a.get_object() )
{
const auto& b_obj = b.get_object().find( a_it.key() );
if( b_obj == b.get_object().end() || !equal( a_it.value(), b_obj->value() ) ) return false;
}
return true;
case fc::variant::type_id::blob_type:
default:
FC_THROW_EXCEPTION( fc::invalid_arg_exception, "Unsupported variant type: " + a.get_type() );
}
}
static void test_recursive( const fc::variant& v )
{ try {
const std::string json = fc::json::to_string( v );
BOOST_CHECK( fc::json::is_valid( json ) );
BOOST_CHECK( !fc::json::is_valid( json + " " ) );
const std::string pretty = fc::json::to_pretty_string( v );
BOOST_CHECK( fc::json::is_valid( pretty ) );
BOOST_CHECK( !fc::json::is_valid( pretty + " " ) );
fc::temp_file file( fc::temp_directory_path(), true );
fc::json::save_to_file( v, file.path(), false );
fc::variants list = fc::json::variants_from_string( json );
BOOST_CHECK_EQUAL( 1, list.size() );
BOOST_CHECK( equal( v, list[0] ) );
list = fc::json::variants_from_string( pretty );
BOOST_CHECK_EQUAL( 1, list.size() );
BOOST_CHECK( equal( v, list[0] ) );
BOOST_CHECK( equal( v, fc::json::from_string( json + " " ) ) );
BOOST_CHECK( equal( v, fc::json::from_string( pretty + " " ) ) );
BOOST_CHECK( equal( v, fc::json::from_file( file.path() ) ) );
if( v.get_type() == fc::variant::type_id::array_type )
for( const auto& item : v.get_array() )
test_recursive( item );
else if( v.get_type() == fc::variant::type_id::object_type )
for( const auto& item : v.get_object() )
test_recursive( item.value() );
} FC_CAPTURE_LOG_AND_RETHROW( (v) ) }
BOOST_AUTO_TEST_CASE(structured_test)
{
fc::variant_object v_empty_obj;
fc::variants v_empty_array;
fc::variant v_null;
fc::variant v_true( true );
fc::variant v_false( false );
fc::variant v_empty_str( "" );
fc::variant v_str( "false" );
fc::variant v_int8_1( (int8_t) 1 );
fc::variant v_int8_2( (int8_t) -2 );
fc::variant v_uint8_1( (int8_t) 1 );
fc::variant v_int16_1( (int16_t) 1 );
fc::variant v_int16_2( (int16_t) -2 );
fc::variant v_uint16_1( (int16_t) 1 );
fc::variant v_int32_1( (int32_t) 1 );
fc::variant v_int32_2( (int32_t) -2 );
fc::variant v_uint32_1( (int32_t) 1 );
fc::variant v_int64_1( (int8_t) 1 );
fc::variant v_int64_2( (int8_t) -2 );
fc::variant v_uint64_1( (int8_t) 1 );
fc::variant v_float_1( 0.0f );
fc::variant v_float_2( -2.0f );
fc::variant v_double_1( 0.0 );
fc::variant v_double_2( -2.0 );
fc::variants v_small_array
{
v_empty_obj,
v_empty_array,
v_null,
v_true,
v_false,
v_empty_str
};
fc::mutable_variant_object v_small_obj;
v_small_obj( "", v_empty_str )
( "1", v_empty_array )
( "2", v_null )
( "a", v_true )
( "b", v_false )
( "x", v_small_array )
( "y", v_empty_obj );
fc::variants v_big_array
{
v_empty_obj,
v_empty_array,
v_null,
v_true,
v_false,
v_empty_str,
v_str,
v_int8_1,
v_int8_2,
v_uint8_1,
v_int16_1,
v_int16_2,
v_uint16_1,
v_int32_1,
v_int32_2,
v_uint32_1,
v_int64_1,
v_int64_2,
v_uint64_1,
v_float_1,
v_float_2,
v_double_1,
v_double_2,
v_small_array,
v_small_obj
};
fc::mutable_variant_object v_big_obj;
v_big_obj( "v_empty_obj", v_empty_obj )
( "v_empty_array", v_empty_array )
( "v_null", v_null )
( "v_true", v_true )
( "v_false", v_false )
( "v_empty_str", v_empty_str )
( "v_str", v_str )
( "v_int8_1", v_int8_1 )
( "v_int8_2", v_int8_2 )
( "v_uint8_1", v_uint8_1 )
( "v_int16_1", v_int16_1 )
( "v_int16_2", v_int16_2 )
( "v_uint16_1", v_uint16_1 )
( "v_int32_1", v_int32_1 )
( "v_int32_2", v_int32_2 )
( "v_uint32_1", v_uint32_1 )
( "v_int64_1", v_int64_1 )
( "v_int64_2", v_int64_2 )
( "v_uint64_1", v_uint64_1 )
( "v_float_1", v_float_1 )
( "v_float_2", v_float_2 )
( "v_double_1", v_double_1 )
( "v_double_2", v_double_2 )
( "v_small_array", v_small_array )
( "v_small_obj", v_small_obj );
v_big_array.push_back( v_big_obj );
test_recursive( v_big_array );
}
BOOST_AUTO_TEST_CASE(precision_test)
{
BOOST_CHECK_EQUAL( "\"4294967296\"", fc::json::to_string( fc::variant( int64_t(0x100000000LL) ) ) );
BOOST_CHECK_EQUAL( "\"-4294967296\"", fc::json::to_string( fc::variant( int64_t(-0x100000000LL) ) ) );
std::string half = fc::json::to_string( fc::variant( 0.5 ) );
BOOST_CHECK_EQUAL( '"', half.front() );
BOOST_CHECK_EQUAL( '"', half.back() );
half = half.substr( 1, half.length() - 2 );
while( '0' == half.back() ) half.erase( half.length() - 1, 1 );
BOOST_CHECK_EQUAL( "0.5", half );
}
BOOST_AUTO_TEST_CASE(recursion_test)
{
std::string ten_levels = "[[[[[[[[[[]]]]]]]]]]";
fc::variant nested = fc::json::from_string( ten_levels );
BOOST_CHECK_THROW( fc::json::from_string( ten_levels, fc::json::legacy_parser, 9 ), fc::parse_error_exception );
std::string back = fc::json::to_string( nested );
BOOST_CHECK_EQUAL( ten_levels, back );
BOOST_CHECK_THROW( fc::json::to_string( nested, fc::json::stringify_large_ints_and_doubles, 9 ), fc::assert_exception );
}
BOOST_AUTO_TEST_CASE(rethrow_test)
{
fc::variants biggie;
for( int i = 0; i < 250; i++ )
{
fc::variant tmp( std::move(biggie) );
biggie.reserve(1);
biggie.push_back( std::move(tmp) );
}
auto test_r = [&biggie](){
try {
FC_THROW_EXCEPTION( fc::unknown_host_exception, "WTF?" );
} FC_RETHROW_EXCEPTIONS( warn, "Argh! ${biggie}", ("biggie",biggie) ) };
BOOST_CHECK_THROW( test_r(), fc::unknown_host_exception );
auto test_lr = [&biggie](){
try {
FC_THROW_EXCEPTION( fc::unknown_host_exception, "WTF?" );
} FC_LOG_AND_RETHROW() };
BOOST_CHECK_THROW( test_lr(), fc::unknown_host_exception );
auto test_clr = [&biggie](){
try {
FC_THROW_EXCEPTION( fc::unknown_host_exception, "WTF?" );
} FC_CAPTURE_LOG_AND_RETHROW( (biggie) ) };
BOOST_CHECK_THROW( test_clr(), fc::unknown_host_exception );
auto test_cl = [&biggie](){
try {
FC_THROW_EXCEPTION( fc::unknown_host_exception, "WTF?" );
} FC_CAPTURE_AND_LOG( (biggie) ) };
test_cl();
auto test_cr = [&biggie](){
try {
FC_THROW_EXCEPTION( fc::unknown_host_exception, "WTF?" );
} FC_CAPTURE_AND_RETHROW( (biggie) ) };
BOOST_CHECK_THROW( test_cr(), fc::unknown_host_exception );
}
BOOST_AUTO_TEST_SUITE_END()
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