tree-sitter/test/integration/real_grammars.cc
2017-08-04 17:07:37 -07:00

132 lines
4.7 KiB
C++

#include "test_helper.h"
#include "runtime/alloc.h"
#include "helpers/load_language.h"
#include "helpers/read_test_entries.h"
#include "helpers/spy_input.h"
#include "helpers/stderr_logger.h"
#include "helpers/point_helpers.h"
#include "helpers/encoding_helpers.h"
#include "helpers/record_alloc.h"
#include "helpers/random_helpers.h"
#include "helpers/scope_sequence.h"
#include "helpers/tree_helpers.h"
#include <set>
static void assert_correct_tree_size(TSDocument *document, string content) {
TSNode root_node = ts_document_root_node(document);
AssertThat(ts_node_end_byte(root_node), Equals(content.size()));
assert_consistent_tree_sizes(root_node);
}
START_TEST
vector<string> test_languages({
"javascript",
"json",
"c",
"cpp",
"python",
"bash",
});
for (auto &language_name : test_languages) {
describe(("the " + language_name + " language").c_str(), [&]() {
TSDocument *document;
before_each([&]() {
record_alloc::start();
document = ts_document_new();
ts_document_set_language(document, load_real_language(language_name));
// ts_document_set_logger(document, stderr_logger_new(true));
// ts_document_print_debugging_graphs(document, true);
});
after_each([&]() {
ts_document_free(document);
AssertThat(record_alloc::outstanding_allocation_indices(), IsEmpty());
});
for (auto &entry : read_real_language_corpus(language_name)) {
SpyInput *input;
auto it_handles_edit_sequence = [&](string name, std::function<void()> edit_sequence){
it(("parses " + entry.description + ": " + name).c_str(), [&]() {
input = new SpyInput(entry.input, 3);
ts_document_set_input(document, input->input());
edit_sequence();
TSNode root_node = ts_document_root_node(document);
const char *node_string = ts_node_string(root_node, document);
string result(node_string);
ts_free((void *)node_string);
AssertThat(result, Equals(entry.tree_string));
assert_correct_tree_size(document, input->content);
delete input;
});
};
it_handles_edit_sequence("initial parse", [&]() {
ts_document_parse(document);
});
set<pair<size_t, size_t>> deletions;
set<pair<size_t, string>> insertions;
for (size_t i = 0; i < 60; i++) {
size_t edit_position = random() % utf8_char_count(entry.input);
size_t deletion_size = random() % (utf8_char_count(entry.input) - edit_position);
string inserted_text = random_words(random() % 4 + 1);
if (insertions.insert({edit_position, inserted_text}).second) {
string description = "\"" + inserted_text + "\" at " + to_string(edit_position);
it_handles_edit_sequence("repairing an insertion of " + description, [&]() {
ts_document_edit(document, input->replace(edit_position, 0, inserted_text));
ts_document_parse(document);
assert_correct_tree_size(document, input->content);
ts_document_edit(document, input->undo());
assert_correct_tree_size(document, input->content);
TSRange *ranges;
uint32_t range_count;
ScopeSequence old_scope_sequence = build_scope_sequence(document, input->content);
ts_document_parse_and_get_changed_ranges(document, &ranges, &range_count);
ScopeSequence new_scope_sequence = build_scope_sequence(document, input->content);
verify_changed_ranges(old_scope_sequence, new_scope_sequence,
input->content, ranges, range_count);
ts_free(ranges);
});
}
if (deletions.insert({edit_position, deletion_size}).second) {
string desription = to_string(edit_position) + "-" + to_string(edit_position + deletion_size);
it_handles_edit_sequence("repairing a deletion of " + desription, [&]() {
ts_document_edit(document, input->replace(edit_position, deletion_size, ""));
ts_document_parse(document);
assert_correct_tree_size(document, input->content);
ts_document_edit(document, input->undo());
assert_correct_tree_size(document, input->content);
TSRange *ranges;
uint32_t range_count;
ScopeSequence old_scope_sequence = build_scope_sequence(document, input->content);
ts_document_parse_and_get_changed_ranges(document, &ranges, &range_count);
ScopeSequence new_scope_sequence = build_scope_sequence(document, input->content);
verify_changed_ranges(old_scope_sequence, new_scope_sequence,
input->content, ranges, range_count);
ts_free(ranges);
});
}
}
}
});
}
END_TEST