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scylladb/tests/flat_mutation_reader_assertions.hh

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/*
* 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 <boost/test/unit_test.hpp>
#include "flat_mutation_reader.hh"
// Intended to be called in a seastar thread
class flat_reader_assertions {
flat_mutation_reader _reader;
private:
mutation_fragment_opt read_next() {
return _reader().get0();
}
public:
flat_reader_assertions(flat_mutation_reader reader)
: _reader(std::move(reader))
{ }
flat_reader_assertions& produces_partition_start(const dht::decorated_key& dk) {
BOOST_TEST_MESSAGE(sprint("Expecting partition start with key %s", dk));
auto mfopt = read_next();
if (!mfopt) {
BOOST_FAIL(sprint("Expected: partition start with key %s, got end of stream", dk));
}
if (!mfopt->is_partition_start()) {
BOOST_FAIL(sprint("Expected: partition start with key %s, got: %s", dk, *mfopt));
}
if (!mfopt->as_partition_start().key().equal(*_reader.schema(), dk)) {
BOOST_FAIL(sprint("Expected: partition start with key %s, got: %s", dk, *mfopt));
}
return *this;
}
flat_reader_assertions& produces_static_row() {
BOOST_TEST_MESSAGE(sprint("Expecting static row"));
auto mfopt = read_next();
if (!mfopt) {
BOOST_FAIL("Expected static row, got end of stream");
}
if (!mfopt->is_static_row()) {
BOOST_FAIL(sprint("Expected static row, got: %s", *mfopt));
}
return *this;
}
flat_reader_assertions& produces_row_with_key(const clustering_key& ck) {
BOOST_TEST_MESSAGE(sprint("Expect %s", ck));
auto mfopt = read_next();
if (!mfopt) {
BOOST_FAIL(sprint("Expected row with key %s, but got end of stream", ck));
}
if (!mfopt->is_clustering_row()) {
BOOST_FAIL(sprint("Expected row with key %s, but got %s", ck, *mfopt));
}
auto& actual = mfopt->as_clustering_row().key();
if (!actual.equal(*_reader.schema(), ck)) {
BOOST_FAIL(sprint("Expected row with key %s, but key is %s", ck, actual));
}
return *this;
}
flat_reader_assertions& produces_partition_end() {
BOOST_TEST_MESSAGE("Expecting partition end");
auto mfopt = read_next();
if (!mfopt) {
BOOST_FAIL(sprint("Expected partition end but got end of stream"));
}
if (!mfopt->is_end_of_partition()) {
BOOST_FAIL(sprint("Expected partition end but got %s", *mfopt));
}
return *this;
}
flat_reader_assertions& produces_end_of_stream() {
BOOST_TEST_MESSAGE("Expecting end of stream");
auto mfopt = read_next();
if (bool(mfopt)) {
BOOST_FAIL(sprint("Expected end of stream, got %s", *mfopt));
}
return *this;
}
flat_reader_assertions& fast_forward_to(const dht::partition_range& pr) {
_reader.fast_forward_to(pr);
return *this;
}
flat_reader_assertions& next_partition() {
_reader.next_partition();
return *this;
}
};
inline
flat_reader_assertions assert_that(flat_mutation_reader r) {
return { std::move(r) };
}