ssp/test/test_parser1_3.cpp

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#include "test_parser1.hpp"
template <typename... Ts>
void test_multiline_restricted() {
unique_file_name f{"test_parser"};
{
std::ofstream out{f.name};
out << "1,2,\"just\n\nstrings\"" << std::endl;
#ifndef _WIN32
out << "3,4,\"ju\n\r\n\nnk\"" << std::endl;
out << "5,6,just\\\n\\\r\nstrings" << std::endl;
#else
out << "3,4,\"ju\n\n\nnk\"" << std::endl;
out << "5,6,just\\\n\\\nstrings" << std::endl;
#endif
out << "7,8,ju\\\n\\\n\\\nnk" << std::endl;
out << "9,10,\"just\\\n\nstrings\"" << std::endl;
out << "11,12,\"ju\\\n|\n\n\n\n\nk\"" << std::endl;
out << "13,14,\"ju\\\n\\\n15,16\"\\\n\\\\\n\nnk\"" << std::endl;
out << "17,18,\"ju\\\n\\\n\\\n\\\\\n\nnk\"" << std::endl;
out << "19,20,just strings" << std::endl;
}
auto bad_lines = 15;
auto num_errors = 0;
ss::parser<ss::multiline_restricted<2>, ss::quote<'"'>, ss::escape<'\\'>,
Ts...>
p{f.name, ","};
std::vector<X> i;
while (!p.eof()) {
try {
auto a = p.template get_next<int, double, std::string>();
if (p.valid()) {
i.emplace_back(ss::to_object<X>(a));
} else {
++num_errors;
}
} catch (const std::exception& e) {
++num_errors;
}
}
CHECK(bad_lines == num_errors);
std::vector<X> data = {{1, 2, "just\n\nstrings"},
#ifndef _WIN32
{5, 6, "just\n\r\nstrings"},
#else
{5, 6, "just\n\nstrings"},
#endif
{9, 10, "just\n\nstrings"},
{19, 20, "just strings"}};
for (auto& [_, __, s] : i) {
update_if_crlf(s);
}
if (i.size() != data.size()) {
CHECK_EQ(i.size(), data.size());
}
CHECK_EQ(i, data);
}
TEST_CASE("parser test multiline restricted") {
test_multiline_restricted();
test_multiline_restricted<ss::string_error>();
test_multiline_restricted<ss::throw_on_error>();
}
template <typename... Ts>
void test_unterminated_line_impl(const std::vector<std::string>& lines,
size_t bad_line) {
unique_file_name f{"test_parser"};
std::ofstream out{f.name};
for (const auto& line : lines) {
out << line << std::endl;
}
out.close();
ss::parser<Ts...> p{f.name};
size_t line = 0;
while (!p.eof()) {
auto command = [&] { p.template get_next<int, double, std::string>(); };
if (line == bad_line) {
expect_error_on_command(p, command);
break;
} else {
command();
CHECK(p.valid());
++line;
}
}
}
template <typename... Ts>
void test_unterminated_line(const std::vector<std::string>& lines,
size_t bad_line) {
test_unterminated_line_impl<Ts...>(lines, bad_line);
test_unterminated_line_impl<Ts..., ss::string_error>(lines, bad_line);
test_unterminated_line_impl<Ts..., ss::throw_on_error>(lines, bad_line);
}
TEST_CASE("parser test csv on multiline with errors") {
using multiline = ss::multiline_restricted<3>;
using escape = ss::escape<'\\'>;
using quote = ss::quote<'"'>;
// unterminated escape
{
const std::vector<std::string> lines{"1,2,just\\"};
test_unterminated_line<multiline, escape>(lines, 0);
test_unterminated_line<multiline, escape, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"1,2,just\\", "9,8,second"};
test_unterminated_line<multiline, escape>(lines, 0);
test_unterminated_line<multiline, escape, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"9,8,first", "1,2,just\\"};
test_unterminated_line<multiline, escape>(lines, 1);
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,first", "1,2,just\\",
"3,4,third"};
test_unterminated_line<multiline, escape>(lines, 1);
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,first",
"1,2,just\\\nstrings\\",
"3,4,th\\\nird"};
test_unterminated_line<multiline, escape>(lines, 1);
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,first", "3,4,second",
"1,2,just\\"};
test_unterminated_line<multiline, escape>(lines, 2);
test_unterminated_line<multiline, escape, quote>(lines, 2);
}
{
const std::vector<std::string> lines{"9,8,\\first", "3,4,second",
"1,2,jus\\t\\"};
test_unterminated_line<multiline, escape>(lines, 2);
test_unterminated_line<multiline, escape, quote>(lines, 2);
}
// unterminated quote
{
const std::vector<std::string> lines{"1,2,\"just"};
test_unterminated_line<multiline, escape, quote>(lines, 0);
test_unterminated_line<multiline, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"1,2,\"just", "9,8,second"};
test_unterminated_line<multiline, escape, quote>(lines, 0);
test_unterminated_line<multiline, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"9,8,first", "1,2,\"just"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
test_unterminated_line<multiline, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,first", "1,2,\"just",
"3,4,th\\,ird"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
test_unterminated_line<multiline, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,first", "3,4,second",
"1,2,\"just"};
test_unterminated_line<multiline, escape, quote>(lines, 2);
test_unterminated_line<multiline, quote>(lines, 2);
}
{
const std::vector<std::string> lines{"9,8,\"first\"",
"\"3\",4,\"sec,ond\"",
"1,2,\"ju\"\"st"};
test_unterminated_line<multiline, escape, quote>(lines, 2);
test_unterminated_line<multiline, quote>(lines, 2);
}
// unterminated quote and escape
{
const std::vector<std::string> lines{"1,2,\"just\\"};
test_unterminated_line<multiline, escape, quote>(lines, 0);
test_unterminated_line<multiline, escape, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"1,2,\"just\\\n\\"};
test_unterminated_line<multiline, escape, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"1,2,\"just\n\\"};
test_unterminated_line<multiline, escape, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"9,8,first", "1,2,\"just\n\\"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,first", "1,2,\"just\n\\",
"4,3,thrid"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,f\\\nirst", "1,2,\"just\n\\",
"4,3,thrid"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,\"f\ni\nrst\"",
"1,2,\"just\n\\", "4,3,thrid"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
// multiline limmit reached escape
{
const std::vector<std::string> lines{"1,2,\\\n\\\n\\\n\\\njust"};
test_unterminated_line<multiline, escape>(lines, 0);
test_unterminated_line<multiline, escape, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"9,8,first",
"1,2,\\\n\\\n\\\n\\\njust"};
test_unterminated_line<multiline, escape>(lines, 1);
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,fi\\\nrs\\\nt",
"1,2,\\\n\\\n\\\n\\\njust"};
test_unterminated_line<multiline, escape>(lines, 1);
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,first",
"1,2,\\\n\\\n\\\n\\\njust",
"4,3,third"};
test_unterminated_line<multiline, escape>(lines, 1);
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
// multiline limmit reached quote
{
const std::vector<std::string> lines{"1,2,\"\n\n\n\n\njust\""};
test_unterminated_line<multiline, escape, quote>(lines, 0);
test_unterminated_line<multiline, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"9,8,first",
"1,2,\"\n\n\n\n\njust\""};
test_unterminated_line<multiline, escape, quote>(lines, 1);
test_unterminated_line<multiline, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,\"fir\nst\"",
"1,2,\"\n\n\n\n\njust\""};
test_unterminated_line<multiline, escape, quote>(lines, 1);
test_unterminated_line<multiline, quote>(lines, 1);
}
// multiline limmit reached quote and escape
{
const std::vector<std::string> lines{"1,2,\"\\\n\n\\\n\\\n\\\njust"};
test_unterminated_line<multiline, escape, quote>(lines, 0);
}
{
const std::vector<std::string> lines{"9,8,first",
"1,2,\"\\\n\n\\\n\\\n\\\njust"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,fi\\\nrst",
"1,2,\"\\\n\n\\\n\\\n\\\njust"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,\"fi\nrst\"",
"1,2,\"\\\n\n\\\n\\\n\\\njust"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
{
const std::vector<std::string> lines{"9,8,\"fi\nr\\\nst\"",
"1,2,\"\\\n\n\\\n\\\n\\\njust"};
test_unterminated_line<multiline, escape, quote>(lines, 1);
}
}
template <typename T, typename Tuple>
struct has_type;
template <typename T, typename... Us>
struct has_type<T, std::tuple<Us...>>
: std::disjunction<std::is_same<T, Us>...> {};
static inline void check_size(size_t size1, size_t size2) {
CHECK_EQ(size1, size2);
}
template <typename Setup, typename... Ts>
static void test_fields_impl(const std::string file_name,
const std::vector<X>& data,
const std::vector<std::string>& fields) {
using CaseType = std::tuple<Ts...>;
ss::parser<Setup> p{file_name, ","};
CHECK_FALSE(p.field_exists("Unknown"));
p.use_fields(fields);
std::vector<CaseType> i;
for (const auto& a : p.template iterate<CaseType>()) {
i.push_back(a);
}
check_size(i.size(), data.size());
for (size_t j = 0; j < i.size(); ++j) {
if constexpr (has_type<int, CaseType>::value) {
CHECK_EQ(std::get<int>(i[j]), data[j].i);
}
if constexpr (has_type<double, CaseType>::value) {
CHECK_EQ(std::get<double>(i[j]), data[j].d);
}
if constexpr (has_type<std::string, CaseType>::value) {
CHECK_EQ(std::get<std::string>(i[j]), data[j].s);
}
}
}
template <typename... Ts>
static void test_fields(const std::string file_name, const std::vector<X>& data,
const std::vector<std::string>& fields) {
test_fields_impl<ss::setup<>, Ts...>(file_name, data, fields);
test_fields_impl<ss::setup<ss::string_error>, Ts...>(file_name, data,
fields);
test_fields_impl<ss::setup<ss::throw_on_error>, Ts...>(file_name, data,
fields);
}
TEST_CASE("parser test various cases with header") {
unique_file_name f{"test_parser"};
constexpr static auto Int = "Int";
constexpr static auto Dbl = "Double";
constexpr static auto Str = "String";
using str = std::string;
std::vector<std::string> header{Int, Dbl, Str};
std::vector<X> data = {{1, 2, "x"}, {3, 4, "y"}, {5, 6, "z"},
{7, 8, "u"}, {9, 10, "v"}, {11, 12, "w"}};
make_and_write(f.name, data, header);
const auto& o = f.name;
const auto& d = data;
{
ss::parser<ss::string_error> p{f.name, ","};
std::vector<X> i;
for (const auto& a : p.iterate<int, double, std::string>()) {
i.emplace_back(ss::to_object<X>(a));
}
CHECK_NE(i, data);
}
{
ss::parser<ss::string_error> p{f.name, ","};
std::vector<X> i;
p.ignore_next();
for (const auto& a : p.iterate<int, double, std::string>()) {
i.emplace_back(ss::to_object<X>(a));
}
CHECK_EQ(i, data);
}
{
ss::parser<ss::ignore_header> p{f.name, ","};
std::vector<X> i;
for (const auto& a : p.iterate<int, double, std::string>()) {
i.emplace_back(ss::to_object<X>(a));
}
CHECK_EQ(i, data);
}
{
ss::parser<ss::ignore_header, ss::string_error> p{f.name, ","};
p.use_fields(Int, Dbl, Str);
CHECK_FALSE(p.valid());
}
{
ss::parser<ss::ignore_header, ss::string_error> p{f.name, ","};
CHECK_FALSE(p.field_exists("Unknown"));
p.use_fields(Int, "Unknown");
CHECK_FALSE(p.valid());
}
{
ss::parser<ss::ignore_header, ss::string_error> p{f.name, ","};
p.use_fields(Int, Int);
CHECK_FALSE(p.valid());
}
{
ss::parser<ss::string_error> p{f.name, ","};
p.use_fields(Int, Dbl);
{
auto [int_, double_] = p.get_next<int, double>();
CHECK_EQ(int_, data[0].i);
CHECK_EQ(double_, data[0].d);
}
p.use_fields(Dbl, Int);
{
auto [double_, int_] = p.get_next<double, int>();
CHECK_EQ(int_, data[1].i);
CHECK_EQ(double_, data[1].d);
}
p.use_fields(Str);
{
auto string_ = p.get_next<std::string>();
CHECK_EQ(string_, data[2].s);
}
p.use_fields(Str, Int, Dbl);
{
auto [string_, int_, double_] =
p.get_next<std::string, int, double>();
CHECK_EQ(double_, data[3].d);
CHECK_EQ(int_, data[3].i);
CHECK_EQ(string_, data[3].s);
}
}
/* python used to generate permutations
import itertools
header = {'str': 'Str',
'double': 'Dbl',
'int': 'Int'}
keys = ['str', 'int', 'double']
for r in range (1, 3):
combinations = list(itertools.permutations(keys, r = r))
for combination in combinations:
template_params = []
arg_params = []
for type in combination:
template_params.append(type)
arg_params.append(header[type])
call = 'testFields<' + ', '.join(template_params) + \
'>(o, d, {' + ', '.join(arg_params) + '});'
print(call)
*/
test_fields<str>(o, d, {Str});
test_fields<int>(o, d, {Int});
test_fields<double>(o, d, {Dbl});
test_fields<str, int>(o, d, {Str, Int});
test_fields<str, double>(o, d, {Str, Dbl});
test_fields<int, str>(o, d, {Int, Str});
test_fields<int, double>(o, d, {Int, Dbl});
test_fields<double, str>(o, d, {Dbl, Str});
test_fields<double, int>(o, d, {Dbl, Int});
test_fields<str, int, double>(o, d, {Str, Int, Dbl});
test_fields<str, double, int>(o, d, {Str, Dbl, Int});
test_fields<int, str, double>(o, d, {Int, Str, Dbl});
test_fields<int, double, str>(o, d, {Int, Dbl, Str});
test_fields<double, str, int>(o, d, {Dbl, Str, Int});
test_fields<double, int, str>(o, d, {Dbl, Int, Str});
}