diff options
Diffstat (limited to 'libs/uds-c/tests')
| -rw-r--r-- | libs/uds-c/tests/common.c | 43 | ||||
| -rw-r--r-- | libs/uds-c/tests/test_core.c | 526 |
2 files changed, 569 insertions, 0 deletions
diff --git a/libs/uds-c/tests/common.c b/libs/uds-c/tests/common.c new file mode 100644 index 00000000..fd1e4b2c --- /dev/null +++ b/libs/uds-c/tests/common.c @@ -0,0 +1,43 @@ +#include <uds/uds.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> + +DiagnosticShims SHIMS; + +uint32_t last_can_frame_sent_arb_id; +uint8_t last_can_payload_sent[8]; +uint8_t last_can_payload_size; +bool can_frame_was_sent; + +DiagnosticResponse last_response_received; +bool last_response_was_received; + +void debug(const char* format, ...) { + va_list args; + va_start(args, format); + vprintf(format, args); + printf("\r\n"); + va_end(args); +} + +bool mock_send_can(const uint32_t arbitration_id, const uint8_t* data, + const uint8_t size) { + can_frame_was_sent = true; + last_can_frame_sent_arb_id = arbitration_id; + last_can_payload_size = size; + if(size > 0) { + memcpy(last_can_payload_sent, data, size); + } + return true; +} + +void setup() { + SHIMS = diagnostic_init_shims(debug, mock_send_can, NULL); + memset(last_can_payload_sent, 0, sizeof(last_can_payload_sent)); + can_frame_was_sent = false; + last_response_was_received = false; +} + diff --git a/libs/uds-c/tests/test_core.c b/libs/uds-c/tests/test_core.c new file mode 100644 index 00000000..81200cca --- /dev/null +++ b/libs/uds-c/tests/test_core.c @@ -0,0 +1,526 @@ +#include <uds/uds.h> +#include <check.h> +#include <stdint.h> +#include <stdio.h> +#include <stdbool.h> + +extern bool can_frame_was_sent; +extern void setup(); +extern bool last_response_was_received; +extern DiagnosticResponse last_response_received; +extern DiagnosticShims SHIMS; +extern uint16_t last_can_frame_sent_arb_id; +extern uint8_t last_can_payload_sent[8]; +extern uint8_t last_can_payload_size; + +void response_received_handler(const DiagnosticResponse* response) { + last_response_was_received = true; + last_response_received = *response; +} + +START_TEST (test_receive_wrong_arb_id) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST + }; + DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request, + response_received_handler); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x2, request.mode + 0x40, 0x23}; + diagnostic_receive_can_frame(&SHIMS, &handle, request.arbitration_id, + can_data, sizeof(can_data)); + fail_if(last_response_was_received); +} +END_TEST + +START_TEST (test_send_diag_request_with_payload) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST, + payload: {0x12, 0x34}, + payload_length: 2, + no_frame_padding: true + }; + DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request, + response_received_handler); + + fail_if(handle.completed); + // TODO it'd be better to check the ISO-TP message instead of the CAN frame, + // but we don't have a good way to do that + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_sent[1], request.mode); + ck_assert_int_eq(last_can_payload_size, 4); + ck_assert_int_eq(last_can_payload_sent[2], request.payload[0]); + ck_assert_int_eq(last_can_payload_sent[3], request.payload[1]); +} +END_TEST + +START_TEST (test_send_functional_request) +{ + DiagnosticRequest request = { + arbitration_id: OBD2_FUNCTIONAL_BROADCAST_ID, + mode: OBD2_MODE_EMISSIONS_DTC_REQUEST, + no_frame_padding: true + }; + DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request, + response_received_handler); + + fail_if(handle.completed); + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_sent[1], request.mode); + ck_assert_int_eq(last_can_payload_size, 2); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x2, request.mode + 0x40, 0x23}; + for(uint16_t filter = OBD2_FUNCTIONAL_RESPONSE_START; filter < + OBD2_FUNCTIONAL_RESPONSE_START + OBD2_FUNCTIONAL_RESPONSE_COUNT; + filter++) { + DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, + &handle, filter, can_data, sizeof(can_data)); + fail_unless(response.success); + fail_unless(response.completed); + fail_unless(handle.completed); + ck_assert(last_response_received.success); + ck_assert_int_eq(last_response_received.arbitration_id, + filter); + ck_assert_int_eq(last_response_received.mode, request.mode); + fail_if(last_response_received.has_pid); + ck_assert_int_eq(last_response_received.payload_length, 1); + ck_assert_int_eq(last_response_received.payload[0], can_data[2]); + } +} +END_TEST + +START_TEST (test_sent_message_no_padding) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_EMISSIONS_DTC_REQUEST, + no_frame_padding: true + }; + DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request, + response_received_handler); + + fail_if(handle.completed); + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_size, 2); +} +END_TEST + +START_TEST (test_sent_message_is_padded_by_default) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_EMISSIONS_DTC_REQUEST + }; + DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request, + response_received_handler); + + fail_if(handle.completed); + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_size, 8); +} +END_TEST + +START_TEST (test_sent_message_is_padded) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_EMISSIONS_DTC_REQUEST, + no_frame_padding: false + }; + DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request, + response_received_handler); + + fail_if(handle.completed); + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_size, 8); +} +END_TEST + +START_TEST (test_send_diag_request) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_EMISSIONS_DTC_REQUEST, + no_frame_padding: true + }; + DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request, + response_received_handler); + + fail_if(handle.completed); + fail_unless(can_frame_was_sent); + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_sent[1], request.mode); + ck_assert_int_eq(last_can_payload_size, 2); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x2, request.mode + 0x40, 0x23}; + DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle, + request.arbitration_id + 0x8, can_data, sizeof(can_data)); + fail_unless(response.success); + fail_unless(response.completed); + fail_unless(handle.completed); + ck_assert(last_response_received.success); + ck_assert_int_eq(last_response_received.arbitration_id, + request.arbitration_id + 0x8); + ck_assert_int_eq(last_response_received.mode, request.mode); + fail_if(last_response_received.has_pid); + ck_assert_int_eq(last_response_received.payload_length, 1); + ck_assert_int_eq(last_response_received.payload[0], can_data[2]); +} +END_TEST + +START_TEST (test_generate_then_send_request) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_EMISSIONS_DTC_REQUEST, + no_frame_padding: true + }; + DiagnosticRequestHandle handle = generate_diagnostic_request(&SHIMS, + &request, response_received_handler); + + fail_if(handle.completed); + fail_if(can_frame_was_sent); + + start_diagnostic_request(&SHIMS, &handle); + fail_unless(can_frame_was_sent); + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_sent[1], request.mode); + ck_assert_int_eq(last_can_payload_size, 2); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x2, request.mode + 0x40, 0x23}; + DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle, + request.arbitration_id + 0x8, can_data, sizeof(can_data)); + fail_unless(response.success); + fail_unless(response.completed); + fail_unless(handle.completed); + ck_assert(last_response_received.success); + ck_assert_int_eq(last_response_received.arbitration_id, + request.arbitration_id + 0x8); + ck_assert_int_eq(last_response_received.mode, request.mode); + fail_if(last_response_received.has_pid); + ck_assert_int_eq(last_response_received.payload_length, 1); + ck_assert_int_eq(last_response_received.payload[0], can_data[2]); +} +END_TEST + +START_TEST (test_generate_diag_request) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_EMISSIONS_DTC_REQUEST, + no_frame_padding: true + }; + DiagnosticRequestHandle handle = generate_diagnostic_request(&SHIMS, + &request, response_received_handler); + + fail_if(handle.completed); + fail_if(can_frame_was_sent); +} +END_TEST + +START_TEST (test_autoset_pid_length) +{ + uint16_t arb_id = OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST; + diagnostic_request_pid(&SHIMS, DIAGNOSTIC_STANDARD_PID, arb_id, 0x2, + response_received_handler); + + ck_assert_int_eq(last_can_frame_sent_arb_id, arb_id); + ck_assert_int_eq(last_can_payload_sent[1], 0x1); + ck_assert_int_eq(last_can_payload_sent[2], 0x2); + // padding is on for the diagnostic_request_pid helper function - if you + // need to turn it off, use the more manual diagnostic_request(...) + ck_assert_int_eq(last_can_payload_size, 8); + + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: 0x22, + has_pid: true, + pid: 0x1234, + no_frame_padding: true + }; + diagnostic_request(&SHIMS, &request, response_received_handler); + + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_sent[1], request.mode); + ck_assert_int_eq(last_can_payload_sent[2], (request.pid & 0xFF00) >> 8); + ck_assert_int_eq(last_can_payload_sent[3], request.pid & 0xFF); + ck_assert_int_eq(last_can_payload_size, 4); + + request.arbitration_id = 0x101; + request.pid = 0x12; + + diagnostic_request(&SHIMS, &request, response_received_handler); + + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_sent[1], request.mode); + ck_assert_int_eq(last_can_payload_sent[2], request.pid); + ck_assert_int_eq(last_can_payload_size, 3); +} +END_TEST + +START_TEST (test_request_pid_standard) +{ + uint16_t arb_id = OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST; + DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS, + DIAGNOSTIC_STANDARD_PID, arb_id, 0x2, response_received_handler); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x3, 0x1 + 0x40, 0x2, 0x45}; + diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, + can_data, sizeof(can_data)); + fail_unless(last_response_was_received); + ck_assert(last_response_received.success); + ck_assert_int_eq(last_response_received.arbitration_id, + arb_id + 0x8); + ck_assert_int_eq(last_response_received.mode, 0x1); + fail_unless(last_response_received.has_pid); + ck_assert_int_eq(last_response_received.pid, 0x2); + ck_assert_int_eq(last_response_received.payload_length, 1); + ck_assert_int_eq(last_response_received.payload[0], can_data[3]); +} +END_TEST + +START_TEST (test_request_pid_enhanced) +{ + uint16_t arb_id = 0x100; + DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS, + DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x4, 0x22 + 0x40, 0x12, 0x34, 0x45}; + diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data, + sizeof(can_data)); + fail_unless(last_response_was_received); + ck_assert(last_response_received.success); + ck_assert_int_eq(last_response_received.arbitration_id, + arb_id + 0x8); + ck_assert_int_eq(last_response_received.mode, 0x22); + fail_unless(last_response_received.has_pid); + ck_assert_int_eq(last_response_received.pid, 0x1234); + ck_assert_int_eq(last_response_received.payload_length, 1); + ck_assert_int_eq(last_response_received.payload[0], can_data[4]); +} +END_TEST + +START_TEST (test_wrong_mode_response) +{ + uint16_t arb_id = 0x100; + DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS, + DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x4, 0x1 + 0x40, 0x12, 0x34, 0x45}; + diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data, + sizeof(can_data)); + fail_if(last_response_was_received); + fail_if(handle.completed); +} +END_TEST + +START_TEST (test_missing_pid) +{ + uint16_t arb_id = 0x100; + DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS, + DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x1, 0x22 + 0x40}; + diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data, + sizeof(can_data)); + fail_if(last_response_was_received); + fail_if(handle.completed); +} +END_TEST + +START_TEST (test_wrong_pid_response) +{ + uint16_t arb_id = 0x100; + DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS, + DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x4, 0x22 + 0x40, 0x12, 0x33, 0x45}; + diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data, + sizeof(can_data)); + fail_if(last_response_was_received); + fail_if(handle.completed); +} +END_TEST + +START_TEST (test_wrong_pid_then_right_completes) +{ + uint16_t arb_id = 0x100; + DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS, + DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler); + + fail_if(last_response_was_received); + uint8_t can_data[] = {0x4, 0x22 + 0x40, 0x12, 0x33, 0x45}; + diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data, + sizeof(can_data)); + fail_if(last_response_was_received); + fail_if(handle.completed); + + can_data[3] = 0x34; + diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data, + sizeof(can_data)); + fail_unless(last_response_was_received); + fail_unless(handle.completed); + fail_unless(handle.success); + fail_unless(last_response_received.success); + ck_assert_int_eq(last_response_received.pid, 0x1234); +} +END_TEST + +START_TEST (test_negative_response) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST + }; + DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request, + response_received_handler); + const uint8_t can_data[] = {0x3, 0x7f, request.mode, + NRC_SERVICE_NOT_SUPPORTED}; + DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle, + request.arbitration_id + 0x8, can_data, sizeof(can_data)); + fail_unless(response.completed); + fail_if(response.success); + fail_unless(handle.completed); + + fail_if(last_response_received.success); + ck_assert_int_eq(last_response_received.arbitration_id, + request.arbitration_id + 0x8); + ck_assert_int_eq(last_response_received.mode, request.mode); + ck_assert_int_eq(last_response_received.pid, 0); + ck_assert_int_eq(last_response_received.negative_response_code, + NRC_SERVICE_NOT_SUPPORTED); + ck_assert_int_eq(last_response_received.payload_length, 0); +} +END_TEST + +START_TEST (test_payload_to_integer) +{ + uint16_t arb_id = OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST; + DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS, + DIAGNOSTIC_STANDARD_PID, arb_id, 0x2, response_received_handler); + + fail_if(last_response_was_received); + const uint8_t can_data[] = {0x4, 0x1 + 0x40, 0x2, 0x45, 0x12}; + DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle, + arb_id + 0x8, can_data, sizeof(can_data)); + ck_assert_int_eq(diagnostic_payload_to_integer(&response), 0x4512); +} +END_TEST + +START_TEST (test_response_multi_frame) +{ + DiagnosticRequest request = { + arbitration_id: 0x100, + mode: OBD2_MODE_VEHICLE_INFORMATION, + has_pid: true, + pid: 0x2 + }; + DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request, + response_received_handler); + + const uint8_t can_data[] = {0x10, 0x14, 0x9 + 0x40, 0x2, 0x1, 0x31, 0x46, 0x4d}; + DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle, + request.arbitration_id + 0x8, can_data, sizeof(can_data)); + + fail_unless(can_frame_was_sent); + fail_unless(!response.success); + fail_unless(!response.completed); + fail_unless(response.multi_frame); + ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id); + ck_assert_int_eq(last_can_payload_sent[0], 0x30); + + const uint8_t can_data_1[] = {0x21, 0x43, 0x55, 0x39, 0x4a, 0x39, 0x34, 0x48}; + response = diagnostic_receive_can_frame(&SHIMS, &handle, + request.arbitration_id + 0x8, can_data_1, sizeof(can_data_1)); + fail_unless(!response.success); + fail_unless(!response.completed); + fail_unless(response.multi_frame); + + const uint8_t can_data_2[] = {0x22, 0x55, 0x41, 0x30, 0x34, 0x35, 0x32, 0x34}; + response = diagnostic_receive_can_frame(&SHIMS, &handle, + request.arbitration_id + 0x8, can_data_2, sizeof(can_data_2)); + fail_unless(response.success); + fail_unless(response.completed); + fail_unless(response.multi_frame); + ck_assert_int_eq(response.mode, OBD2_MODE_VEHICLE_INFORMATION); + ck_assert_int_eq(response.pid, 0x2); + ck_assert_int_eq(response.payload_length, 18); + ck_assert_int_eq(response.payload[0], 0x01); + ck_assert_int_eq(response.payload[1], 0x31); + ck_assert_int_eq(response.payload[2], 0x46); + ck_assert_int_eq(response.payload[3], 0x4d); + ck_assert_int_eq(response.payload[4], 0x43); + ck_assert_int_eq(response.payload[5], 0x55); + ck_assert_int_eq(response.payload[6], 0x39); + ck_assert_int_eq(response.payload[7], 0x4a); + ck_assert_int_eq(response.payload[8], 0x39); + ck_assert_int_eq(response.payload[9], 0x34); + ck_assert_int_eq(response.payload[10], 0x48); + ck_assert_int_eq(response.payload[11], 0x55); + ck_assert_int_eq(response.payload[12], 0x41); + ck_assert_int_eq(response.payload[13], 0x30); + ck_assert_int_eq(response.payload[14], 0x34); + ck_assert_int_eq(response.payload[15], 0x35); + ck_assert_int_eq(response.payload[16], 0x32); + ck_assert_int_eq(response.payload[17], 0x34); +} +END_TEST + +Suite* testSuite(void) { + Suite* s = suite_create("uds"); + TCase *tc_core = tcase_create("core"); + tcase_add_checked_fixture(tc_core, setup, NULL); + tcase_add_test(tc_core, test_sent_message_no_padding); + tcase_add_test(tc_core, test_sent_message_is_padded); + tcase_add_test(tc_core, test_sent_message_is_padded_by_default); + tcase_add_test(tc_core, test_generate_diag_request); + tcase_add_test(tc_core, test_generate_then_send_request); + tcase_add_test(tc_core, test_send_diag_request); + tcase_add_test(tc_core, test_send_functional_request); + tcase_add_test(tc_core, test_send_diag_request_with_payload); + tcase_add_test(tc_core, test_receive_wrong_arb_id); + tcase_add_test(tc_core, test_autoset_pid_length); + tcase_add_test(tc_core, test_request_pid_standard); + tcase_add_test(tc_core, test_request_pid_enhanced); + tcase_add_test(tc_core, test_wrong_mode_response); + tcase_add_test(tc_core, test_wrong_pid_response); + tcase_add_test(tc_core, test_missing_pid); + tcase_add_test(tc_core, test_wrong_pid_then_right_completes); + tcase_add_test(tc_core, test_negative_response); + tcase_add_test(tc_core, test_payload_to_integer); + tcase_add_test(tc_core, test_response_multi_frame); + + // TODO these are future work: + // TODO test request MIL + // TODO test request VIN + // TODO test request DTC + // TODO test clear DTC + // TODO test enumerate PIDs + suite_add_tcase(s, tc_core); + + return s; +} + +int main(void) { + int numberFailed; + Suite* s = testSuite(); + SRunner *sr = srunner_create(s); + // Don't fork so we can actually use gdb + srunner_set_fork_status(sr, CK_NOFORK); + srunner_run_all(sr, CK_NORMAL); + numberFailed = srunner_ntests_failed(sr); + srunner_free(sr); + return (numberFailed == 0) ? 0 : 1; +} |