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/* This is a upb implementation of the upb conformance tests, see:
* https://github.com/google/protobuf/tree/master/conformance
*/
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "conformance/conformance.upb.h"
#include "src/google/protobuf/test_messages_proto3.upb.h"
int test_count = 0;
bool CheckedRead(int fd, void *buf, size_t len) {
size_t ofs = 0;
while (len > 0) {
ssize_t bytes_read = read(fd, (char*)buf + ofs, len);
if (bytes_read == 0) return false;
if (bytes_read < 0) {
perror("reading from test runner");
exit(1);
}
len -= bytes_read;
ofs += bytes_read;
}
return true;
}
void CheckedWrite(int fd, const void *buf, size_t len) {
if ((size_t)write(fd, buf, len) != len) {
perror("writing to test runner");
exit(1);
}
}
bool strview_eql(upb_strview view, const char *str) {
return view.size == strlen(str) && memcmp(view.data, str, view.size) == 0;
}
static const char *proto3_msg =
"protobuf_test_messages.proto3.TestAllTypesProto3";
void DoTest(
const conformance_ConformanceRequest* request,
conformance_ConformanceResponse *response,
upb_arena *arena) {
protobuf_test_messages_proto3_TestAllTypesProto3 *test_message;
if (!strview_eql(conformance_ConformanceRequest_message_type(request),
proto3_msg)) {
static const char msg[] = "Only proto3 for now.";
conformance_ConformanceResponse_set_skipped(
response, upb_strview_make(msg, sizeof(msg)));
return;
}
switch (conformance_ConformanceRequest_payload_case(request)) {
case conformance_ConformanceRequest_payload_protobuf_payload: {
upb_strview payload = conformance_ConformanceRequest_protobuf_payload(request);
test_message = protobuf_test_messages_proto3_TestAllTypesProto3_parse(
payload.data, payload.size, arena);
if (!test_message) {
static const char msg[] = "Parse error";
conformance_ConformanceResponse_set_parse_error(
response, upb_strview_make(msg, sizeof(msg)));
return;
}
break;
}
case conformance_ConformanceRequest_payload_NOT_SET:
fprintf(stderr, "conformance_upb: Request didn't have payload.\n");
return;
default: {
static const char msg[] = "Unsupported input format.";
conformance_ConformanceResponse_set_skipped(
response, upb_strview_make(msg, sizeof(msg)));
return;
}
}
switch (conformance_ConformanceRequest_requested_output_format(request)) {
case conformance_UNSPECIFIED:
fprintf(stderr, "conformance_upb: Unspecified output format.\n");
exit(1);
case conformance_PROTOBUF: {
size_t serialized_len;
char *serialized =
protobuf_test_messages_proto3_TestAllTypesProto3_serialize(
test_message, arena, &serialized_len);
if (!serialized) {
static const char msg[] = "Error serializing.";
conformance_ConformanceResponse_set_serialize_error(
response, upb_strview_make(msg, sizeof(msg)));
return;
}
conformance_ConformanceResponse_set_protobuf_payload(
response, upb_strview_make(serialized, serialized_len));
break;
}
default: {
static const char msg[] = "Unsupported output format.";
conformance_ConformanceResponse_set_skipped(
response, upb_strview_make(msg, sizeof(msg)));
return;
}
}
return;
}
bool DoTestIo() {
upb_arena *arena;
upb_alloc *alloc;
upb_status status;
char *serialized_input;
char *serialized_output;
uint32_t input_size;
size_t output_size;
conformance_ConformanceRequest *request;
conformance_ConformanceResponse *response;
if (!CheckedRead(STDIN_FILENO, &input_size, sizeof(uint32_t))) {
/* EOF. */
return false;
}
arena = upb_arena_new();
alloc = upb_arena_alloc(arena);
serialized_input = upb_malloc(alloc, input_size);
if (!CheckedRead(STDIN_FILENO, serialized_input, input_size)) {
fprintf(stderr, "conformance_upb: unexpected EOF on stdin.\n");
exit(1);
}
request =
conformance_ConformanceRequest_parse(serialized_input, input_size, arena);
response = conformance_ConformanceResponse_new(arena);
if (request) {
DoTest(request, response, arena);
} else {
fprintf(stderr, "conformance_upb: parse of ConformanceRequest failed: %s\n",
upb_status_errmsg(&status));
}
serialized_output = conformance_ConformanceResponse_serialize(
response, arena, &output_size);
CheckedWrite(STDOUT_FILENO, &output_size, sizeof(uint32_t));
CheckedWrite(STDOUT_FILENO, serialized_output, output_size);
test_count++;
upb_arena_free(arena);
return true;
}
int main() {
while (1) {
if (!DoTestIo()) {
fprintf(stderr, "conformance_upb: received EOF from test runner "
"after %d tests, exiting\n", test_count);
return 0;
}
}
}
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