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scylladb/tests/mutation_assertions.hh

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/*
* Copyright (C) 2015 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 "mutation.hh"
class mutation_assertion {
mutation _m;
public:
mutation_assertion(mutation m)
: _m(std::move(m))
{ }
mutation_assertion& is_equal_to(const mutation& other) {
if (_m != other) {
BOOST_FAIL(sprint("Mutations differ, expected %s\n ...but got: %s", other, _m));
}
if (other != _m) {
BOOST_FAIL(sprint("Mutation inequality is not symmetric for %s\n ...and: %s", other, _m));
}
return *this;
}
mutation_assertion& is_not_equal_to(const mutation& other) {
if (_m == other) {
BOOST_FAIL(sprint("Mutations equal but expected to differ: %s\n ...and: %s", other, _m));
}
return *this;
}
mutation_assertion& has_schema(schema_ptr s) {
if (_m.schema() != s) {
BOOST_FAIL(sprint("Expected mutation of schema %s, but got %s", *s, *_m.schema()));
}
return *this;
}
// Verifies that mutation data remains unchanged when upgraded to the new schema
void is_upgrade_equivalent(schema_ptr new_schema) {
mutation m2 = _m;
m2.upgrade(new_schema);
BOOST_REQUIRE(m2.schema() == new_schema);
mutation_assertion(m2).is_equal_to(_m);
mutation m3 = m2;
m3.upgrade(_m.schema());
BOOST_REQUIRE(m3.schema() == _m.schema());
mutation_assertion(m3).is_equal_to(_m);
mutation_assertion(m3).is_equal_to(m2);
}
};
static inline
mutation_assertion assert_that(mutation m) {
return { std::move(m) };
}
static inline
mutation_assertion assert_that(streamed_mutation sm) {
auto mo = mutation_from_streamed_mutation(std::move(sm)).get0();
return { std::move(*mo) };
}
class mutation_opt_assertions {
mutation_opt _mo;
public:
mutation_opt_assertions(mutation_opt mo) : _mo(std::move(mo)) {}
mutation_assertion has_mutation() {
if (!_mo) {
BOOST_FAIL("Expected engaged mutation_opt, but found not");
}
return { *_mo };
}
void has_no_mutation() {
if (_mo) {
BOOST_FAIL("Expected disengaged mutation_opt");
}
}
};
static inline
mutation_opt_assertions assert_that(mutation_opt mo) {
return { std::move(mo) };
}
static inline
mutation_opt_assertions assert_that(streamed_mutation_opt smo) {
auto mo = mutation_from_streamed_mutation(std::move(smo)).get0();
return { std::move(mo) };
}
class streamed_mutation_assertions {
streamed_mutation _sm;
clustering_key::equality _ck_eq;
public:
streamed_mutation_assertions(streamed_mutation sm)
: _sm(std::move(sm)), _ck_eq(*_sm.schema()) { }
streamed_mutation_assertions& produces_static_row() {
auto mfopt = _sm().get0();
if (!mfopt) {
BOOST_FAIL("Expected static row, got end of stream");
}
if (mfopt->mutation_fragment_kind() != mutation_fragment::kind::static_row) {
BOOST_FAIL(sprint("Expected static row, got: %s", mfopt->mutation_fragment_kind()));
}
return *this;
}
streamed_mutation_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(*_sm.schema(), std::move(ck_bytes));
auto mfopt = _sm().get0();
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()));
}
if (!_ck_eq(mfopt->key(), ck)) {
BOOST_FAIL(sprint("Expected key %s, got: %s", ck, mfopt->key()));
}
return *this;
}
streamed_mutation_assertions& produces_row_with_key(const clustering_key& ck) {
BOOST_TEST_MESSAGE(sprint("Expect %s", ck));
auto mfo = _sm().get0();
if (!mfo) {
BOOST_FAIL(sprint("Expected row with key %s, but got end of stream", ck));
}
if (!mfo->is_clustering_row()) {
BOOST_FAIL(sprint("Expected row with key %s, but got %s", ck, *mfo));
}
auto& actual = mfo->as_clustering_row().key();
if (!actual.equal(*_sm.schema(), ck)) {
BOOST_FAIL(sprint("Expected row with key %s, but key is %s", ck, actual));
}
return *this;
}
streamed_mutation_assertions& produces_range_tombstone(const range_tombstone& rt) {
BOOST_TEST_MESSAGE(sprint("Expect %s", rt));
auto mfo = _sm().get0();
if (!mfo) {
BOOST_FAIL(sprint("Expected range tombstone %s, but got end of stream", rt));
}
if (!mfo->is_range_tombstone()) {
BOOST_FAIL(sprint("Expected range tombstone %s, but got %s", rt, *mfo));
}
auto& actual = mfo->as_range_tombstone();
if (!actual.equal(*_sm.schema(), rt)) {
BOOST_FAIL(sprint("Expected range tombstone %s, but got %s", rt, actual));
}
return *this;
}
streamed_mutation_assertions& fwd_to(const clustering_key& ck1, const clustering_key& ck2) {
return fwd_to(position_range{
position_in_partition(position_in_partition::clustering_row_tag_t(), ck1),
position_in_partition(position_in_partition::clustering_row_tag_t(), ck2)
});
}
streamed_mutation_assertions& fwd_to(position_range range) {
BOOST_TEST_MESSAGE(sprint("Forwarding to %s", range));
_sm.fast_forward_to(std::move(range)).get();
return *this;
}
streamed_mutation_assertions& produces_end_of_stream() {
auto mfopt = _sm().get0();
if (mfopt) {
BOOST_FAIL(sprint("Expected end of stream, got: %s", *mfopt));
}
return *this;
}
void has_monotonic_positions() {
position_in_partition::less_compare less(*_sm.schema());
mutation_fragment_opt prev;
for (;;) {
mutation_fragment_opt mfo = _sm().get0();
if (!mfo) {
break;
}
if (prev) {
if (!less(prev->position(), mfo->position())) {
BOOST_FAIL(sprint("previous fragment has greater position: prev=%s, current=%s", *prev, *mfo));
}
}
prev = std::move(mfo);
}
}
};
static inline streamed_mutation_assertions assert_that_stream(streamed_mutation sm)
{
return streamed_mutation_assertions(std::move(sm));
}