Files
scylladb/tests/flat_mutation_reader_assertions.hh
Piotr Jastrzebski 20e31e462e Simplify flat_reader_assertions& produces(const mutation& m)
Signed-off-by: Piotr Jastrzebski <piotr@scylladb.com>
2017-12-21 11:47:07 +01:00

225 lines
7.8 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 <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;
dht::partition_range _pr;
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,
stdx::optional<tombstone> tomb = stdx::nullopt) {
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));
}
if (tomb && mfopt->as_partition_start().partition_tombstone() != *tomb) {
BOOST_FAIL(sprint("Expected: partition start with tombstone %s, got: %s", *tomb, *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& produces(mutation_fragment::kind k, std::vector<int> ck_elements) {
std::vector<bytes> ck_bytes;
for (auto&& e : ck_elements) {
ck_bytes.emplace_back(int32_type->decompose(e));
}
auto ck = clustering_key_prefix::from_exploded(*_reader.schema(), std::move(ck_bytes));
auto mfopt = read_next();
if (!mfopt) {
BOOST_FAIL(sprint("Expected mutation fragment %s, got end of stream", ck));
}
if (mfopt->mutation_fragment_kind() != k) {
BOOST_FAIL(sprint("Expected mutation fragment kind %s, got: %s", k, mfopt->mutation_fragment_kind()));
}
clustering_key::equality ck_eq(*_reader.schema());
if (!ck_eq(mfopt->key(), ck)) {
BOOST_FAIL(sprint("Expected key %s, got: %s", ck, mfopt->key()));
}
return *this;
}
flat_reader_assertions& produces_partition(const mutation& m) {
return produces(m);
}
flat_reader_assertions& produces(const mutation& m) {
auto mo = read_mutation_from_flat_mutation_reader(_reader).get0();
BOOST_REQUIRE(bool(mo));
memory::disable_failure_guard dfg;
assert_that(*mo).is_equal_to(m);
return *this;
}
flat_reader_assertions& produces(const dht::decorated_key& dk) {
produces_partition_start(dk);
next_partition();
return *this;
}
template<typename Range>
flat_reader_assertions& produces(const Range& range) {
for (auto&& m : range) {
produces(m);
}
return *this;
}
void has_monotonic_positions() {
position_in_partition::less_compare less(*_reader.schema());
mutation_fragment_opt previous_fragment;
mutation_fragment_opt previous_partition;
bool inside_partition = false;
for (;;) {
auto mfo = read_next();
if (!mfo) {
break;
}
if (mfo->is_partition_start()) {
BOOST_REQUIRE(!inside_partition);
auto& dk = mfo->as_partition_start().key();
if (previous_partition && !previous_partition->as_partition_start().key().less_compare(*_reader.schema(), dk)) {
BOOST_FAIL(sprint("previous partition had greater key: prev=%s, current=%s", *previous_partition, *mfo));
}
previous_partition = std::move(mfo);
previous_fragment = stdx::nullopt;
inside_partition = true;
} else if (mfo->is_end_of_partition()) {
BOOST_REQUIRE(inside_partition);
inside_partition = false;
} else {
BOOST_REQUIRE(inside_partition);
if (previous_fragment) {
if (!less(previous_fragment->position(), mfo->position())) {
BOOST_FAIL(sprint("previous fragment has greater position: prev=%s, current=%s", *previous_fragment, *mfo));
}
}
previous_fragment = std::move(mfo);
}
}
BOOST_REQUIRE(!inside_partition);
}
flat_reader_assertions& fast_forward_to(const dht::partition_range& pr) {
_pr = pr;
_reader.fast_forward_to(_pr).get();
return *this;
}
flat_reader_assertions& next_partition() {
_reader.next_partition();
return *this;
}
flat_reader_assertions& fast_forward_to(position_range pr) {
_reader.fast_forward_to(std::move(pr)).get();
return *this;
}
mutation_assertion next_mutation() {
auto mo = read_mutation_from_flat_mutation_reader(_reader).get0();
BOOST_REQUIRE(bool(mo));
return mutation_assertion(std::move(*mo));
}
future<> fill_buffer() {
return _reader.fill_buffer();
}
void set_max_buffer_size(size_t size) {
_reader.set_max_buffer_size(size);
}
};
inline
flat_reader_assertions assert_that(flat_mutation_reader r) {
return { std::move(r) };
}