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#include <check.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <csv_parser.h>
struct test_results {
int test_case_number;
int *results;
};
// 5 items per row, 3 rows per test case: 15 * 6 slots
static int expected_test_results[] = {
// ""
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
// ", "
0, 1, -1, -1, -1,
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
// ","
0, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
// "\n"
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
// "\r\n",
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
// "a,b,,c,"
1, 2, 0, 1, -1,
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
// "a,b,,c, "
1, 2, 0, 1, 1,
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
// "a,b,\na,b,"
1, 2, 0, -1, -1,
1, 1, -1, -1, -1,
-1, -1, -1, -1, -1,
// " bc "
4, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1,
};
static const int results_size = sizeof(expected_test_results);
static const int result_slots = sizeof(expected_test_results)/sizeof(int);
static const char *test_data[] = {
"",
", ",
",",
"\n",
"\r\n",
"a,bb,,c,",
"a,bb,,c, ",
"a,bb,\na,b,",
" bc ",
};
static int test_data_end_states[] = {
csvps_line_start,
csvps_field_value,
csvps_field_start,
csvps_line_end,
csvps_line_end,
csvps_field_start,
csvps_field_value,
csvps_field_start,
csvps_field_value,
};
static int num_test_cases = sizeof(test_data)/(sizeof(char*));
void init_test_results(int *data, int len)
{
int i;
for (i = 0; i < len; i++) {
data[i] = -1;
}
}
void print_results(int *data, int len)
{
int i;
for (i = 0; i < len; i++) {
if (i != 0 && i % 5 == 0) {
printf("\n");
}
printf("%4d ", data[i]);
}
printf("\n");
}
int field_cb(csv_parser_t *parser, const char *data, size_t length, int row, int col)
{
struct test_results *results = parser->data;
int slot = results->test_case_number * 15 + row * 5 + col;
if (results->results[slot] == -1) {
results->results[slot] = length;
} else {
results->results[slot] += length;
}
return 0;
}
int field_error_cb(csv_parser_t *parser, const char *data, size_t length, int row, int col)
{
return -1;
}
START_TEST(test_parser_error_state)
{
csv_parser_t parser;
csv_parser_settings_t settings;
int i;
int nread;
const char *str = "a,v,b\n1,2";
int len = strlen(str);
csv_parser_state_t states_to_test[] = {
csvps_line_start,
csvps_field_start,
csvps_field_end,
csvps_line_end_begin,
csvps_line_end
};
settings.delimiter = ',';
settings.field_cb = field_error_cb;
for (i = 0; i < 5; i++) {
csv_parser_state_t state = states_to_test[i];
csv_parser_init(&parser);
parser.state = state;
nread = csv_parser_execute(&parser, &settings, str, len);
ck_assert(parser.state == csvps_error);
}
}
END_TEST
START_TEST(test_parser_full)
{
csv_parser_t parser;
csv_parser_settings_t settings;
struct test_results results;
int i;
settings.delimiter = ',';
settings.field_cb = field_cb;
results.results = malloc(results_size);
init_test_results(results.results, result_slots);
for (i = 0; i < num_test_cases; i++) {
const char *str = test_data[i];
int len = strlen(str);
results.test_case_number = i;
csv_parser_init(&parser);
parser.data = &results;
int nread = csv_parser_execute(&parser, &settings, str, len);
ck_assert_int_eq(len, nread);
ck_assert_int_eq(parser.state, test_data_end_states[i]);
}
printf("Test results:\n");
print_results(results.results, result_slots);
ck_assert_int_eq(0, memcmp(results.results, expected_test_results, results_size));
free(results.results);
}
END_TEST
START_TEST(test_parser_chunked)
{
csv_parser_t parser;
csv_parser_settings_t settings;
struct test_results results;
int i, offset;
settings.delimiter = ',';
settings.field_cb = field_cb;
results.results = malloc(results_size);
init_test_results(results.results, result_slots);
for (i = 0; i < num_test_cases; i++) {
const char *str = test_data[i];
int len = strlen(str);
results.test_case_number = i;
csv_parser_init(&parser);
parser.data = &results;
// parse string one char at a time
for (offset = 0; offset < len; offset++) {
char c = *(str+offset);
int nread = csv_parser_execute(&parser, &settings, &c, 1);
ck_assert_int_eq(1, nread);
}
ck_assert_int_eq(parser.state, test_data_end_states[i]);
}
printf("Test results:\n");
print_results(results.results, result_slots);
ck_assert_int_eq(0, memcmp(results.results, expected_test_results, results_size));
free(results.results);
}
END_TEST
int main(int argc, const char *argv[])
{
int number_failed;
Suite *s = suite_create("csv_parser");
TCase *tc = tcase_create("parser");
tcase_add_test(tc, test_parser_full);
tcase_add_test(tc, test_parser_chunked);
tcase_add_test(tc, test_parser_error_state);
suite_add_tcase(s, tc);
SRunner *sr = srunner_create(s);
printf("Expected results:\n");
print_results(expected_test_results, result_slots);
srunner_run_all(sr, CK_VERBOSE);
number_failed = srunner_ntests_failed(sr);
srunner_free(sr);
return (number_failed == 0) ? 0 : -1;
}
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