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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/test_kit.h>
#include <vespa/vespalib/data/slime/slime.h>
#include <vespa/vespalib/data/slime/json_format.h>
#include <vespa/vespalib/data/simple_buffer.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/vespalib/util/overload.h>
#include <functional>
#include <variant>
using namespace vespalib::slime::convenience;
using vespalib::make_string_short::fmt;
using vespalib::slime::NIX;
using Path = std::vector<std::variant<size_t,vespalib::stringref>>;
using Hook = std::function<bool(const Path &, const Inspector &, const Inspector &)>;
using vespalib::slime::Inspector;
Slime parse(const std::string &json) {
Slime slime;
ASSERT_TRUE(vespalib::slime::JsonFormat::decode(json, slime));
return slime;
}
const Inspector &full_obj() {
static vespalib::string str =
"{"
" a: 'foo',"
" b: 'bar',"
" c: 'baz',"
" d: [1,2,3,4,5]"
"}";
static Slime slime = parse(str);
return slime.get();
}
const Inspector &subset_obj() {
static vespalib::string str =
"{"
" a: 'foo',"
" c: 'baz',"
" d: [1,2,3]"
"}";
static Slime slime = parse(str);
return slime.get();
}
const Inspector &wildcard_obj() {
static vespalib::string str =
"{"
" a: 'foo',"
" b: null,"
" c: null,"
" d: [null,2,3,null]"
"}";
static Slime slime = parse(str);
return slime.get();
}
Slime add_data_and_nix(Slime slime) {
Cursor &root = slime.get();
char space1[3] = { 1, 2, 3 };
char space2[3] = { 2, 4, 6 };
root["ref"].addData(Memory(space1, 3));
root["ref"].addNix();
root["same"].addData(Memory(space1, 3));
root["same"].addNix();
root["err1"].addData(Memory(space2, 3));
// err1: invalid nix vs valid nix
return slime;
}
const Inspector &leaf_cmp_obj() {
static vespalib::string str =
"{"
" ref: [ true, 7, 2.0, 'foo'],"
"same: [ true, 7, 2.0, 'foo'],"
"err1: [false, 5, 2.5, 'bar'],"
"err2: [ 1, 7.0, 2, 3, '0x010203', 'null']"
"}";
static Slime slime = add_data_and_nix(parse(str));
return slime.get();
}
vespalib::string path_to_str(const Path &path) {
size_t cnt = 0;
vespalib::string str("[");
for (const auto &item: path) {
if (cnt++ > 0) {
str.append(",");
}
std::visit(vespalib::overload{
[&str](size_t value)noexcept{ str.append(fmt("%zu", value)); },
[&str](vespalib::stringref value)noexcept{ str.append(value); }}, item);
}
str.append("]");
return str;
}
vespalib::string to_str(const Inspector &value) {
if (!value.valid()) {
return "<missing>";
}
vespalib::SimpleBuffer buf;
vespalib::slime::JsonFormat::encode(value, buf, true);
return buf.get().make_string();
}
Hook dump_mismatches(Hook hook) {
return [hook](const Path &path, const Inspector &a, const Inspector &b)
{
bool result = hook(path, a, b);
fprintf(stderr, "mismatch at %s: %s vs %s (%s)\n", path_to_str(path).c_str(),
to_str(a).c_str(), to_str(b).c_str(), result ? "allowed" : "FAIL");
return result;
};
}
void verify(const Inspector &a, const Inspector &b, Hook c, bool expect) {
fprintf(stderr, "---> cmp\n");
Hook my_hook = dump_mismatches(c);
bool result = vespalib::slime::are_equal(a, b, my_hook);
fprintf(stderr, "<--- cmp\n");
EXPECT_EQUAL(result, expect);
}
TEST("strict compare (used by == operator)") {
auto allow_nothing = [](const auto &, const auto &, const auto &)noexcept{ return false; };
TEST_DO(verify( full_obj(), full_obj(), allow_nothing, true));
TEST_DO(verify( full_obj(), subset_obj(), allow_nothing, false));
TEST_DO(verify( subset_obj(), full_obj(), allow_nothing, false));
TEST_DO(verify( full_obj(), wildcard_obj(), allow_nothing, false));
TEST_DO(verify(wildcard_obj(), full_obj(), allow_nothing, false));
}
TEST("subset compare") {
auto allow_subset_ab = [](const auto &, const auto &a, const auto &)noexcept{ return !a.valid(); };
auto allow_subset_ba = [](const auto &, const auto &, const auto &b)noexcept{ return !b.valid(); };
TEST_DO(verify( subset_obj(), full_obj(), allow_subset_ab, true));
TEST_DO(verify( full_obj(), subset_obj(), allow_subset_ab, false));
TEST_DO(verify( full_obj(), subset_obj(), allow_subset_ba, true));
TEST_DO(verify( subset_obj(), full_obj(), allow_subset_ba, false));
}
TEST("wildcard compare") {
auto allow_wildcard_a = [](const auto &, const auto &a, const auto &)noexcept
{ return a.valid() && a.type().getId() == NIX::ID; };
auto allow_wildcard_b = [](const auto &, const auto &, const auto &b)noexcept
{ return b.valid() && b.type().getId() == NIX::ID; };
TEST_DO(verify(wildcard_obj(), full_obj(), allow_wildcard_a, false));
TEST_DO(verify(wildcard_obj(), subset_obj(), allow_wildcard_a, true));
TEST_DO(verify( subset_obj(), wildcard_obj(), allow_wildcard_a, false));
TEST_DO(verify( full_obj(), wildcard_obj(), allow_wildcard_b, false));
TEST_DO(verify( subset_obj(), wildcard_obj(), allow_wildcard_b, true));
TEST_DO(verify(wildcard_obj(), subset_obj(), allow_wildcard_b, false));
}
TEST("leaf nodes") {
auto allow_nothing = [](const auto &, const auto &, const auto &)noexcept{ return false; };
const Inspector &root = leaf_cmp_obj();
EXPECT_EQUAL(root["ref"].entries(), 6u);
EXPECT_EQUAL(root["same"].entries(), 6u);
EXPECT_EQUAL(root["err1"].entries(), 5u); // invalid nix at end
EXPECT_EQUAL(root["err2"].entries(), 6u);
for (size_t i = 0; i < 6; ++i) {
TEST_DO(verify(root["ref"][i], root["same"][i], allow_nothing, true));
TEST_DO(verify(root["ref"][i], root["err1"][i], allow_nothing, false));
TEST_DO(verify(root["ref"][i], root["err2"][i], allow_nothing, false));
}
}
TEST_MAIN() { TEST_RUN_ALL(); }
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