Files
scylladb/tests/counter_test.cc
2017-03-02 09:05:11 +00:00

305 lines
10 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/>.
*/
#include "counters.hh"
#include <seastar/core/thread.hh>
#include <boost/range/algorithm/sort.hpp>
#include "tests/test-utils.hh"
#include "tests/test_services.hh"
#include "disk-error-handler.hh"
#include "schema_builder.hh"
#include "keys.hh"
#include "mutation.hh"
#include "frozen_mutation.hh"
thread_local disk_error_signal_type commit_error;
thread_local disk_error_signal_type general_disk_error;
std::vector<counter_id> generate_ids(unsigned count) {
std::vector<counter_id> id;
std::generate_n(std::back_inserter(id), count, counter_id::generate_random);
boost::range::sort(id);
return id;
}
SEASTAR_TEST_CASE(test_counter_cell) {
return seastar::async([] {
auto id = generate_ids(3);
counter_cell_builder b1;
b1.add_shard(counter_shard(id[0], 5, 1));
b1.add_shard(counter_shard(id[1], -4, 1));
auto c1 = atomic_cell_or_collection(b1.build(0));
auto cv = counter_cell_view(c1.as_atomic_cell());
BOOST_REQUIRE_EQUAL(cv.total_value(), 1);
counter_cell_builder b2;
b2.add_shard(counter_shard(*cv.get_shard(id[0])).update(2, 1));
b2.add_shard(counter_shard(id[2], 1, 1));
auto c2 = atomic_cell_or_collection(b2.build(0));
cv = counter_cell_view(c2.as_atomic_cell());
BOOST_REQUIRE_EQUAL(cv.total_value(), 8);
counter_cell_view::apply_reversibly(c1, c2);
cv = counter_cell_view(c1.as_atomic_cell());
BOOST_REQUIRE_EQUAL(cv.total_value(), 4);
});
}
SEASTAR_TEST_CASE(test_reversability_of_apply) {
return seastar::async([] {
auto verify_applies_reversibly = [] (atomic_cell_or_collection dst, atomic_cell_or_collection src, int64_t value) {
auto original_dst = dst;
auto applied = counter_cell_view::apply_reversibly(dst, src);
auto applied_dst = dst;
auto cv = counter_cell_view(dst.as_atomic_cell());
BOOST_REQUIRE_EQUAL(cv.total_value(), value);
BOOST_REQUIRE_EQUAL(cv.timestamp(), std::max(dst.as_atomic_cell().timestamp(), src.as_atomic_cell().timestamp()));
if (applied) {
counter_cell_view::revert_apply(dst, src);
}
BOOST_REQUIRE_EQUAL(counter_cell_view(dst.as_atomic_cell()),
counter_cell_view(original_dst.as_atomic_cell()));
applied = counter_cell_view::apply_reversibly(dst, src);
BOOST_REQUIRE_EQUAL(counter_cell_view(dst.as_atomic_cell()),
counter_cell_view(applied_dst.as_atomic_cell()));
if (applied) {
counter_cell_view::revert_apply(dst, src);
}
BOOST_REQUIRE_EQUAL(counter_cell_view(dst.as_atomic_cell()),
counter_cell_view(original_dst.as_atomic_cell()));
};
auto id = generate_ids(5);
counter_cell_builder b1;
b1.add_shard(counter_shard(id[0], 3, 1));
b1.add_shard(counter_shard(id[2], 2, 2));
b1.add_shard(counter_shard(id[4], 1, 3));
auto c1 = atomic_cell_or_collection(b1.build(1));
auto c2 = counter_cell_builder::from_single_shard(2, counter_shard(id[2], 8, 3));
verify_applies_reversibly(c1, c2, 12);
verify_applies_reversibly(c2, c1, 12);
counter_cell_builder b2;
b2.add_shard(counter_shard(id[1], 4, 5));
b2.add_shard(counter_shard(id[3], 5, 4));
auto c3 = atomic_cell_or_collection(b2.build(2));
verify_applies_reversibly(c1, c3, 15);
verify_applies_reversibly(c3, c1, 15);
auto c4 = counter_cell_builder::from_single_shard(0, counter_shard(id[2], 8, 1));
verify_applies_reversibly(c1, c4, 6);
verify_applies_reversibly(c4, c1, 6);
counter_cell_builder b3;
b3.add_shard(counter_shard(id[0], 9, 0));
b3.add_shard(counter_shard(id[2], 12, 3));
b3.add_shard(counter_shard(id[3], 5, 4));
auto c5 = atomic_cell_or_collection(b3.build(2));
verify_applies_reversibly(c1, c5, 21);
verify_applies_reversibly(c5, c1, 21);
auto c6 = counter_cell_builder::from_single_shard(3, counter_shard(id[2], 8, 1));
verify_applies_reversibly(c1, c6, 6);
verify_applies_reversibly(c6, c1, 6);
});
}
schema_ptr get_schema() {
return schema_builder("ks", "cf")
.with_column("pk", int32_type, column_kind::partition_key)
.with_column("ck", int32_type, column_kind::clustering_key)
.with_column("c1", counter_type)
.build();
}
atomic_cell_view get_counter_cell(mutation& m) {
auto& mp = m.partition();
BOOST_REQUIRE_EQUAL(mp.clustered_rows().calculate_size(), 1);
const auto& cells = mp.clustered_rows().begin()->row().cells();
BOOST_REQUIRE_EQUAL(cells.size(), 1);
stdx::optional<atomic_cell_view> acv;
cells.for_each_cell([&] (column_id, const atomic_cell_or_collection& ac_o_c) {
acv = ac_o_c.as_atomic_cell();
});
BOOST_REQUIRE(bool(acv));
return *acv;
};
SEASTAR_TEST_CASE(test_counter_mutations) {
return seastar::async([] {
storage_service_for_tests ssft;
auto s = get_schema();
auto id = generate_ids(4);
auto pk = partition_key::from_single_value(*s, int32_type->decompose(0));
auto ck = clustering_key::from_single_value(*s, int32_type->decompose(0));
auto& col = *s->get_column_definition(utf8_type->decompose(sstring("c1")));
mutation m1(pk, s);
counter_cell_builder b1;
b1.add_shard(counter_shard(id[0], 1, 1));
b1.add_shard(counter_shard(id[1], 2, 1));
b1.add_shard(counter_shard(id[2], 3, 1));
m1.set_clustered_cell(ck, col, b1.build(api::new_timestamp()));
mutation m2(pk, s);
counter_cell_builder b2;
b1.add_shard(counter_shard(id[0], 1, 1));
b2.add_shard(counter_shard(id[2], -5, 4));
b2.add_shard(counter_shard(id[3], -100, 1));
m2.set_clustered_cell(ck, col, b2.build(api::new_timestamp()));
mutation m3(pk, s);
m3.set_clustered_cell(ck, col, atomic_cell::make_dead(1, gc_clock::now()));
mutation m4(pk, s);
m4.partition().apply(tombstone(0, gc_clock::now()));
// Apply
auto m = m1;
m.apply(m2);
auto ac = get_counter_cell(m);
BOOST_REQUIRE(ac.is_live());
counter_cell_view ccv { ac };
BOOST_REQUIRE_EQUAL(ccv.total_value(), -102);
m.apply(m3);
ac = get_counter_cell(m);
BOOST_REQUIRE(!ac.is_live());
m = m1;
m.apply(m4);
m.partition().compact_for_query(*s, gc_clock::now(), { query::clustering_range::make_singular(ck) },
false, query::max_rows);
BOOST_REQUIRE_EQUAL(m.partition().clustered_rows().calculate_size(), 0);
// Difference
m = mutation(s, m1.decorated_key(), m1.partition().difference(s, m2.partition()));
ac = get_counter_cell(m);
BOOST_REQUIRE(ac.is_live());
ccv = counter_cell_view(ac);
BOOST_REQUIRE_EQUAL(ccv.total_value(), 3);
m = mutation(s, m1.decorated_key(), m2.partition().difference(s, m1.partition()));
ac = get_counter_cell(m);
BOOST_REQUIRE(ac.is_live());
ccv = counter_cell_view(ac);
BOOST_REQUIRE_EQUAL(ccv.total_value(), -105);
m = mutation(s, m1.decorated_key(), m1.partition().difference(s, m3.partition()));
BOOST_REQUIRE_EQUAL(m.partition().clustered_rows().calculate_size(), 0);
m = mutation(s, m1.decorated_key(), m3.partition().difference(s, m1.partition()));
ac = get_counter_cell(m);
BOOST_REQUIRE(!ac.is_live());
// Freeze
auto fm1 = freeze(m1);
auto fm2 = freeze(m2);
auto fm3 = freeze(m3);
BOOST_REQUIRE_EQUAL(fm1.unfreeze(s), m1);
BOOST_REQUIRE_EQUAL(fm2.unfreeze(s), m2);
BOOST_REQUIRE_EQUAL(fm3.unfreeze(s), m3);
auto m0 = m1;
m0.partition().apply(*s, fm2.partition(), *s);
m = m1;
m.apply(m2);
BOOST_REQUIRE_EQUAL(m, m0);
m0 = m2;
m0.partition().apply(*s, fm1.partition(), *s);
m = m2;
m.apply(m1);
BOOST_REQUIRE_EQUAL(m, m0);
m0 = m1;
m0.partition().apply(*s, fm3.partition(), *s);
m = m1;
m.apply(m3);
BOOST_REQUIRE_EQUAL(m, m0);
m0 = m3;
m0.partition().apply(*s, fm1.partition(), *s);
m = m3;
m.apply(m1);
BOOST_REQUIRE_EQUAL(m, m0);
});
}
SEASTAR_TEST_CASE(test_counter_update_mutations) {
return seastar::async([] {
storage_service_for_tests ssft;
auto s = get_schema();
auto pk = partition_key::from_single_value(*s, int32_type->decompose(0));
auto ck = clustering_key::from_single_value(*s, int32_type->decompose(0));
auto& col = *s->get_column_definition(utf8_type->decompose(sstring("c1")));
auto c1 = atomic_cell::make_live_counter_update(api::new_timestamp(), 5);
mutation m1(pk, s);
m1.set_clustered_cell(ck, col, c1);
auto c2 = atomic_cell::make_live_counter_update(api::new_timestamp(), 9);
mutation m2(pk, s);
m2.set_clustered_cell(ck, col, c2);
auto c3 = atomic_cell::make_dead(api::new_timestamp() / 2, gc_clock::now());
mutation m3(pk, s);
m3.set_clustered_cell(ck, col, c3);
auto m12 = m1;
m12.apply(m2);
auto ac = get_counter_cell(m12);
BOOST_REQUIRE(ac.is_live());
BOOST_REQUIRE(ac.is_counter_update());
BOOST_REQUIRE_EQUAL(ac.counter_update_value(), 14);
auto m123 = m12;
m123.apply(m3);
ac = get_counter_cell(m123);
BOOST_REQUIRE(!ac.is_live());
});
}