Files
carbon-lang/utils/tree_sitter/test_runner.cpp
T
Jon Ross-PerkinsandRichard Smith 38d25cf622 Share ReadFile in tests (#4967)
Small cleanup for code sharing. Note, `*ReadFile` will trigger a
CHECK-failure on error; the relevant implementations would previously
have failed silently (empty string).

---------

Co-authored-by: Richard Smith <richard@metafoo.co.uk>
2025-02-15 00:17:01 +00:00

68 lines
1.8 KiB
C++

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include <tree_sitter/api.h>
#include <cstdlib>
#include <iostream>
#include <string>
#include <vector>
#include "testing/base/file_helpers.h"
#include "utils/tree_sitter/src/tree_sitter/parser.h"
extern "C" {
auto tree_sitter_carbon() -> TSLanguage*;
}
// TODO: use file_test.cpp
auto main(int argc, char** argv) -> int {
if (argc < 2) {
std::cerr << "Usage: test_runner <file>...\n";
return 2;
}
auto* parser = ts_parser_new();
ts_parser_set_language(parser, tree_sitter_carbon());
bool fail_tests = std::getenv("FAIL_TESTS") != nullptr;
std::vector<std::string> incorrect;
for (int i = 1; i < argc; i++) {
std::string file_path = argv[i];
std::string source = std::move(*Carbon::Testing::ReadFile(file_path));
auto* tree =
ts_parser_parse_string(parser, nullptr, source.data(), source.size());
auto root = ts_tree_root_node(tree);
auto has_error = ts_node_has_error(root);
char* node_debug = ts_node_string(root);
std::cout << file_path << ":\n" << node_debug << "\n";
if (has_error ^ fail_tests) {
incorrect.push_back(file_path);
}
free(node_debug);
ts_tree_delete(tree);
}
ts_parser_delete(parser);
for (const auto& file : incorrect) {
if (fail_tests) {
std::cout << "INCORRECTLY PASSING " << file << "\n";
} else {
std::cout << "FAILED " << file << "\n";
}
}
if (!incorrect.empty()) {
if (fail_tests) {
std::cout << incorrect.size() << " tests incorrectly passing.\n";
} else {
std::cout << incorrect.size() << " tests failing.\n";
}
return 1;
}
}