Files
scylladb/tests/sstable_assertions.hh
2017-07-27 18:23:58 +02:00

75 lines
2.6 KiB
C++

/*
* Copyright (C) 2017 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "dht/i_partitioner.hh"
#include "schema.hh"
#include "sstables/index_reader.hh"
class index_reader_assertions {
std::unique_ptr<sstables::index_reader> _r;
public:
index_reader_assertions(std::unique_ptr<sstables::index_reader> r)
: _r(std::move(r))
{ }
index_reader_assertions& has_monotonic_positions(const schema& s) {
auto pos_cmp = position_in_partition::composite_less_compare(s);
auto rp_cmp = dht::ring_position_comparator(s);
auto prev = dht::ring_position::min();
_r->read_partition_data().get();
while (!_r->eof()) {
auto k = _r->current_partition_entry().get_decorated_key();
auto rp = dht::ring_position(k.token(), k.key().to_partition_key(s));
if (!rp_cmp(prev, rp)) {
BOOST_FAIL(sprint("Partitions have invalid order: %s >= %s", prev, rp));
}
prev = rp;
auto* pi = _r->current_partition_entry().get_promoted_index(s);
if (!pi->entries.empty()) {
auto& prev = pi->entries[0];
for (size_t i = 1; i < pi->entries.size(); ++i) {
auto& cur = pi->entries[i];
if (!pos_cmp(prev.end, cur.start)) {
std::cout << "promoted index:\n";
for (auto& e : pi->entries) {
std::cout << " " << e.start << "-" << e.end << ": +" << e.offset << " len=" << e.width << std::endl;
}
BOOST_FAIL(sprint("Index blocks are not monotonic: %s >= %s", prev.end, cur.start));
}
cur = prev;
}
}
_r->advance_to_next_partition().get();
}
return *this;
}
};
inline
index_reader_assertions assert_that(std::unique_ptr<sstables::index_reader> r) {
return { std::move(r) };
}