simdjson/tests/document_stream_tests.cpp

374 lines
12 KiB
C++

#include <string>
#include <vector>
#include <unistd.h>
#include "simdjson.h"
#include "test_macros.h"
std::string trim(const std::string s) {
auto start = s.begin();
auto end = s.end();
while (start != s.end() && std::isspace(*start)) {
start++;
}
do {
end--;
} while (std::distance(start, end) > 0 && std::isspace(*end));
return std::string(start, end + 1);
}
namespace document_stream_tests {
static simdjson::dom::document_stream parse_many_stream_return(simdjson::dom::parser &parser, simdjson::padded_string &str) {
simdjson::dom::document_stream stream;
SIMDJSON_UNUSED auto error = parser.parse_many(str).get(stream);
return stream;
}
// this is a compilation test
SIMDJSON_UNUSED static void parse_many_stream_assign() {
simdjson::dom::parser parser;
simdjson::padded_string str("{}",2);
simdjson::dom::document_stream s1 = parse_many_stream_return(parser, str);
}
bool test_current_index() {
std::cout << "Running " << __func__ << std::endl;
std::string base1("1 ");// one JSON!
std::string base2("{\"k\":1} ");// one JSON!
std::string base3("[1,2] ");// one JSON!
assert(base1.size() == base2.size());
assert(base2.size() == base3.size());
std::vector<std::string> source_strings = {base1, base2, base3};
std::string json;
for(size_t k = 0; k < 1000; k++) {
json += base1;
json += base2;
json += base3;
}
simdjson::dom::parser parser;
const size_t window = 32; // deliberately small
simdjson::dom::document_stream stream;
ASSERT_SUCCESS( parser.parse_many(json,window).get(stream) );
auto i = stream.begin();
size_t count = 0;
for(; i != stream.end(); ++i) {
auto doc = *i;
ASSERT_SUCCESS(doc);
if( i.current_index() != count) {
std::cout << "index:" << i.current_index() << std::endl;
std::cout << "expected index:" << count << std::endl;
return false;
}
std::string answer = source_strings[(count / base1.size()) % source_strings.size()];
if(trim(std::string(i.source())) != trim(answer)) {
std::cout << "got: '" << i.source() << "'" << std::endl;
std::cout << "expected : '" << answer << "'" << std::endl;
return false;
}
count += base1.size();
}
return true;
}
bool single_document() {
std::cout << "Running " << __func__ << std::endl;
simdjson::dom::parser parser;
auto json = R"({"hello": "world"})"_padded;
simdjson::dom::document_stream stream;
ASSERT_SUCCESS(parser.parse_many(json).get(stream));
size_t count = 0;
for (auto doc : stream) {
if(doc.error()) {
std::cerr << "Unexpected error: " << doc.error() << std::endl;
return false;
}
std::string expected = R"({"hello":"world"})";
simdjson::dom::element this_document;
ASSERT_SUCCESS(doc.get(this_document));
std::string answer = simdjson::minify(this_document);
if(answer != expected) {
std::cout << this_document << std::endl;
return false;
}
count += 1;
}
return count == 1;
}
#if SIMDJSON_EXCEPTIONS
bool single_document_exceptions() {
std::cout << "Running " << __func__ << std::endl;
simdjson::dom::parser parser;
auto json = R"({"hello": "world"})"_padded;
size_t count = 0;
for (simdjson::dom::element doc : parser.parse_many(json)) {
std::string expected = R"({"hello":"world"})";
std::string answer = simdjson::minify(doc);
if(answer != expected) {
std::cout << "got : " << answer << std::endl;
std::cout << "expected: " << expected << std::endl;
return false;
}
count += 1;
}
return count == 1;
}
bool issue1133() {
std::cout << "Running " << __func__ << std::endl;
simdjson::dom::parser parser;
auto json = "{\"hello\": \"world\"}"_padded;
simdjson::dom::document_stream docs = parser.parse_many(json);
size_t count = 0;
for (simdjson::dom::element doc : docs) {
std::string expected = R"({"hello":"world"})";
std::string answer = simdjson::minify(doc);
if(answer != expected) {
std::cout << "got : " << answer << std::endl;
std::cout << "expected: " << expected << std::endl;
return false;
}
count += 1;
}
return count == 1;
}
#endif
bool small_window() {
std::cout << "Running " << __func__ << std::endl;
auto json = R"({"error":[],"result":{"token":"xxx"}}{"error":[],"result":{"token":"xxx"}})"_padded;
simdjson::dom::parser parser;
size_t count = 0;
size_t window_size = 10; // deliberately too small
simdjson::dom::document_stream stream;
ASSERT_SUCCESS( parser.parse_many(json, window_size).get(stream) );
for (auto doc : stream) {
if (!doc.error()) {
std::cerr << "Expected a capacity error " << doc.error() << std::endl;
return false;
}
count++;
}
if(count == 2) {
std::cerr << "Expected a capacity error " << std::endl;
return false;
}
return true;
}
#ifdef SIMDJSON_THREADS_ENABLED
bool threaded_disabled() {
std::cout << "Running " << __func__ << std::endl;
auto json = R"({"error":[],"result":{"token":"xxx"}}{"error":[],"result":{"token":"xxx"}})"_padded;
simdjson::dom::parser parser;
parser.threaded = false;
size_t count = 0;
size_t window_size = 10; // deliberately too small
simdjson::dom::document_stream stream;
ASSERT_SUCCESS( parser.parse_many(json, window_size).get(stream) );
for (auto doc : stream) {
if (!doc.error()) {
std::cerr << "Expected a capacity error " << doc.error() << std::endl;
return false;
}
count++;
}
if(count == 2) {
std::cerr << "Expected a capacity error " << std::endl;
return false;
}
return true;
}
#endif
bool large_window() {
std::cout << "Running " << __func__ << std::endl;
#if SIZE_MAX > 17179869184
auto json = R"({"error":[],"result":{"token":"xxx"}}{"error":[],"result":{"token":"xxx"}})"_padded;
simdjson::dom::parser parser;
size_t count = 0;
uint64_t window_size{17179869184}; // deliberately too big
simdjson::dom::document_stream stream;
ASSERT_SUCCESS( parser.parse_many(json, size_t(window_size)).get(stream) );
for (auto doc : stream) {
if (!doc.error()) {
std::cerr << "I expected a failure (too big) but got " << doc.error() << std::endl;
return false;
}
count++;
}
#endif
return true;
}
static bool parse_json_message_issue467(simdjson::padded_string &json, size_t expectedcount) {
simdjson::dom::parser parser;
size_t count = 0;
simdjson::dom::document_stream stream;
ASSERT_SUCCESS( parser.parse_many(json).get(stream) );
for (auto doc : stream) {
if (doc.error()) {
std::cerr << "Failed with simdjson error= " << doc.error() << std::endl;
return false;
}
count++;
}
if(count != expectedcount) {
std::cerr << "bad count" << std::endl;
return false;
}
return true;
}
bool json_issue467() {
std::cout << "Running " << __func__ << std::endl;
auto single_message = R"({"error":[],"result":{"token":"xxx"}})"_padded;
auto two_messages = R"({"error":[],"result":{"token":"xxx"}}{"error":[],"result":{"token":"xxx"}})"_padded;
if(!parse_json_message_issue467(single_message, 1)) {
return false;
}
if(!parse_json_message_issue467(two_messages, 2)) {
return false;
}
return true;
}
// returns true if successful
bool document_stream_test() {
std::cout << "Running " << __func__ << std::endl;
fflush(NULL);
const size_t n_records = 10000;
std::string data;
char buf[1024];
for (size_t i = 0; i < n_records; ++i) {
size_t n = snprintf(buf,
sizeof(buf),
"{\"id\": %zu, \"name\": \"name%zu\", \"gender\": \"%s\", "
"\"ete\": {\"id\": %zu, \"name\": \"eventail%zu\"}}",
i, i, (i % 2) ? "homme" : "femme", i % 10, i % 10);
if (n >= sizeof(buf)) { abort(); }
data += std::string(buf, n);
}
for(size_t batch_size = 1000; batch_size < 2000; batch_size += (batch_size>1050?10:1)) {
printf(".");
fflush(NULL);
simdjson::padded_string str(data);
simdjson::dom::parser parser;
size_t count = 0;
simdjson::dom::document_stream stream;
ASSERT_SUCCESS( parser.parse_many(str, batch_size).get(stream) );
for (auto doc : stream) {
int64_t keyid;
ASSERT_SUCCESS( doc["id"].get(keyid) );
ASSERT_EQUAL( keyid, int64_t(count) );
count++;
}
if(count != n_records) {
printf("Found wrong number of documents %zd, expected %zd at batch size %zu\n", count, n_records, batch_size);
return false;
}
}
printf("ok\n");
return true;
}
// returns true if successful
bool document_stream_utf8_test() {
std::cout << "Running " << __func__ << std::endl;
fflush(NULL);
const size_t n_records = 10000;
std::string data;
char buf[1024];
for (size_t i = 0; i < n_records; ++i) {
size_t n = snprintf(buf,
sizeof(buf),
"{\"id\": %zu, \"name\": \"name%zu\", \"gender\": \"%s\", "
"\"\xC3\xA9t\xC3\xA9\": {\"id\": %zu, \"name\": \"\xC3\xA9ventail%zu\"}}",
i, i, (i % 2) ? "\xE2\xBA\x83" : "\xE2\xBA\x95", i % 10, i % 10);
if (n >= sizeof(buf)) { abort(); }
data += std::string(buf, n);
}
for(size_t batch_size = 1000; batch_size < 2000; batch_size += (batch_size>1050?10:1)) {
printf(".");
fflush(NULL);
simdjson::padded_string str(data);
simdjson::dom::parser parser;
size_t count = 0;
simdjson::dom::document_stream stream;
ASSERT_SUCCESS( parser.parse_many(str, batch_size).get(stream) );
for (auto doc : stream) {
int64_t keyid;
ASSERT_SUCCESS( doc["id"].get(keyid) );
ASSERT_EQUAL( keyid, int64_t(count) );
count++;
}
ASSERT_EQUAL( count, n_records )
}
printf("ok\n");
return true;
}
bool run() {
return test_current_index() &&
single_document() &&
#if SIMDJSON_EXCEPTIONS
single_document_exceptions() &&
issue1133() &&
#endif
#ifdef SIMDJSON_THREADS_ENABLED
threaded_disabled() &&
#endif
small_window() &&
large_window() &&
json_issue467() &&
document_stream_test() &&
document_stream_utf8_test();
}
}
int main(int argc, char *argv[]) {
std::cout << std::unitbuf;
int c;
while ((c = getopt(argc, argv, "a:")) != -1) {
switch (c) {
case 'a': {
const simdjson::implementation *impl = simdjson::available_implementations[optarg];
if (!impl) {
fprintf(stderr, "Unsupported architecture value -a %s\n", optarg);
return EXIT_FAILURE;
}
if(!impl->supported_by_runtime_system()) {
fprintf(stderr, "The selected implementation does not match your current CPU: -a %s\n", optarg);
return EXIT_FAILURE;
}
simdjson::active_implementation = impl;
break;
}
default:
fprintf(stderr, "Unexpected argument %c\n", c);
return EXIT_FAILURE;
}
}
// this is put here deliberately to check that the documentation is correct (README),
// should this fail to compile, you should update the documentation:
if (simdjson::active_implementation->name() == "unsupported") {
printf("unsupported CPU\n");
}
// We want to know what we are testing.
std::cout << "Running tests against this implementation: " << simdjson::active_implementation->name();
std::cout << "(" << simdjson::active_implementation->description() << ")" << std::endl;
std::cout << "------------------------------------------------------------" << std::endl;
std::cout << "Running document_stream tests." << std::endl;
if (document_stream_tests::run()) {
std::cout << "document_stream tests are ok." << std::endl;
return EXIT_SUCCESS;
} else {
return EXIT_FAILURE;
}
}