dragonfly/server/string_family_test.cc

254 lines
6.6 KiB
C++

// Copyright 2021, Roman Gershman. All rights reserved.
// See LICENSE for licensing terms.
//
#include "server/string_family.h"
#include "base/gtest.h"
#include "base/logging.h"
#include "server/command_registry.h"
#include "server/conn_context.h"
#include "server/engine_shard_set.h"
#include "server/error.h"
#include "server/test_utils.h"
#include "server/transaction.h"
#include "util/uring/uring_pool.h"
using namespace testing;
using namespace std;
using namespace util;
using absl::StrCat;
namespace dfly {
class StringFamilyTest : public BaseFamilyTest {
protected:
};
TEST_F(StringFamilyTest, SetGet) {
auto resp = Run({"set", "key", "val"});
EXPECT_THAT(resp, RespEq("OK"));
EXPECT_THAT(Run({"get", "key"}), RespEq("val"));
EXPECT_THAT(Run({"set", "key1", "1"}), RespEq("OK"));
EXPECT_THAT(Run({"get", "key1"}), RespEq("1"));
EXPECT_THAT(Run({"set", "key", "2"}), RespEq("OK"));
EXPECT_THAT(Run({"get", "key"}), RespEq("2"));
}
TEST_F(StringFamilyTest, Incr) {
ASSERT_THAT(Run({"set", "key", "0"}), RespEq("OK"));
ASSERT_THAT(Run({"incr", "key"}), ElementsAre(IntArg(1)));
ASSERT_THAT(Run({"set", "key1", "123456789"}), RespEq("OK"));
ASSERT_THAT(Run({"incrby", "key1", "0"}), ElementsAre(IntArg(123456789)));
ASSERT_THAT(Run({"set", "key1", "-123456789"}), RespEq("OK"));
ASSERT_THAT(Run({"incrby", "key1", "0"}), ElementsAre(IntArg(-123456789)));
ASSERT_THAT(Run({"set", "key1", " -123 "}), RespEq("OK"));
ASSERT_THAT(Run({"incrby", "key1", "1"}), ElementsAre(ErrArg("ERR value is not an integer")));
ASSERT_THAT(Run({"incrby", "ne", "0"}), ElementsAre(IntArg(0)));
}
TEST_F(StringFamilyTest, Expire) {
constexpr uint64_t kNow = 232279092000;
UpdateTime(kNow);
ASSERT_THAT(Run({"set", "key", "val", "PX", "20"}), RespEq("OK"));
UpdateTime(kNow + 10);
EXPECT_THAT(Run({"get", "key"}), RespEq("val"));
UpdateTime(kNow + 20);
EXPECT_THAT(Run({"get", "key"}), ElementsAre(ArgType(RespExpr::NIL)));
ASSERT_THAT(Run({"set", "i", "1", "PX", "10"}), RespEq("OK"));
ASSERT_THAT(Run({"incr", "i"}), ElementsAre(IntArg(2)));
UpdateTime(kNow + 30);
ASSERT_THAT(Run({"incr", "i"}), ElementsAre(IntArg(1)));
}
TEST_F(StringFamilyTest, Set) {
auto resp = Run({"set", "foo", "bar", "XX"});
EXPECT_THAT(resp, ElementsAre(ArgType(RespExpr::NIL)));
resp = Run({"set", "foo", "bar", "NX"});
ASSERT_THAT(resp, RespEq("OK"));
resp = Run({"set", "foo", "bar", "NX"});
EXPECT_THAT(resp, ElementsAre(ArgType(RespExpr::NIL)));
resp = Run({"set", "foo", "bar", "xx"});
ASSERT_THAT(resp, RespEq("OK"));
resp = Run({"set", "foo", "bar", "ex", "abc"});
ASSERT_THAT(resp, ElementsAre(ErrArg(kInvalidIntErr)));
resp = Run({"set", "foo", "bar", "ex", "-1"});
ASSERT_THAT(resp, ElementsAre(ErrArg("invalid expire time in set")));
resp = Run({"set", "foo", "bar", "ex", "1"});
ASSERT_THAT(resp, RespEq("OK"));
}
TEST_F(StringFamilyTest, MGetSet) {
Run({"mset", "x", "0", "b", "0"});
ASSERT_EQ(2, GetDebugInfo("IO0").shards_count);
auto mget_fb = pp_->at(0)->LaunchFiber([&] {
for (size_t i = 0; i < 1000; ++i) {
auto resp = Run({"mget", "b", "x"});
ASSERT_EQ(2, resp.size());
auto ivec = ToIntArr(resp);
ASSERT_GE(ivec[1], ivec[0]);
}
});
auto set_fb = pp_->at(1)->LaunchFiber([&] {
for (size_t i = 1; i < 2000; ++i) {
Run({"set", "x", StrCat(i)});
Run({"set", "b", StrCat(i)});
}
});
mget_fb.join();
set_fb.join();
}
TEST_F(StringFamilyTest, MSetGet) {
Run({"mset", "x", "0", "y", "0", "a", "0", "b", "0"});
ASSERT_EQ(2, GetDebugInfo().shards_count);
Run({"mset", "x", "0", "y", "0"});
ASSERT_EQ(1, GetDebugInfo().shards_count);
Run({"mset", "x", "1", "b", "5", "x", "0"});
ASSERT_EQ(2, GetDebugInfo().shards_count);
int64_t val = CheckedInt({"get", "x"});
EXPECT_EQ(0, val);
val = CheckedInt({"get", "b"});
EXPECT_EQ(5, val);
auto mset_fb = pp_->at(0)->LaunchFiber([&] {
for (size_t i = 0; i < 1000; ++i) {
RespVec resp = Run({"mset", "x", StrCat(i), "b", StrCat(i)});
ASSERT_THAT(resp, RespEq("OK")) << i;
}
});
// A problematic order when mset is not atomic: set x, get x, get b (old), set b
auto get_fb = pp_->at(2)->LaunchFiber([&] {
for (size_t i = 0; i < 1000; ++i) {
int64_t x = CheckedInt({"get", "x"});
int64_t z = CheckedInt({"get", "b"});
ASSERT_LE(x, z) << "Inconsistency at " << i;
}
});
mset_fb.join();
get_fb.join();
}
TEST_F(StringFamilyTest, MSetDel) {
auto mset_fb = pp_->at(0)->LaunchFiber([&] {
for (size_t i = 0; i < 1000; ++i) {
Run({"mset", "x", "0", "z", "0"});
}
});
auto del_fb = pp_->at(2)->LaunchFiber([&] {
for (size_t i = 0; i < 1000; ++i) {
CheckedInt({"del", "x", "z"});
}
});
mset_fb.join();
del_fb.join();
}
TEST_F(StringFamilyTest, IntKey) {
Run({"mset", "1", "1", "-1000", "-1000"});
auto resp = Run({"get", "1"});
ASSERT_THAT(resp, RespEq("1"));
}
TEST_F(StringFamilyTest, SingleShard) {
Run({"mset", "x", "1", "y", "1"});
ASSERT_EQ(1, GetDebugInfo("IO0").shards_count);
Run({"mget", "x", "y", "b"});
ASSERT_EQ(2, GetDebugInfo("IO0").shards_count);
auto resp = Run({"mget", "x", "y"});
ASSERT_EQ(1, GetDebugInfo("IO0").shards_count);
ASSERT_THAT(ToIntArr(resp), ElementsAre(1, 1));
auto mset_fb = pp_->at(0)->LaunchFiber([&] {
for (size_t i = 0; i < 100; ++i) {
Run({"mset", "x", "0", "y", "0"});
}
});
// Specially multiple shards to avoid fast-path.
auto mget_fb = pp_->at(1)->LaunchFiber([&] {
for (size_t i = 0; i < 100; ++i) {
Run({"mget", "x", "b", "y"});
}
});
mset_fb.join();
mget_fb.join();
}
TEST_F(StringFamilyTest, MSetIncr) {
/* serialzable orders
init: x=z=0
mset x=z=1
mset, incr x, incr z = 2, 2
incr x, mset, incr z = 1, 2
incr x, incr z, mset = 1, 1
*/
/* unserializable scenario when mset is not atomic with respect to incr x
set x, incr x, incr z, set z = 2, 1
*/
Run({"mset", "a", "0", "b", "0", "c", "0"});
ASSERT_EQ(2, GetDebugInfo("IO0").shards_count);
auto mset_fb = pp_->at(0)->LaunchFiber([&] {
for (size_t i = 1; i < 1000; ++i) {
string base = StrCat(i * 900);
auto resp = Run({"mset", "b", base, "a", base, "c", base});
ASSERT_THAT(resp, RespEq("OK"));
}
});
auto get_fb = pp_->at(1)->LaunchFiber([&] {
for (unsigned j = 0; j < 900; ++j) {
int64_t a = CheckedInt({"incr", "a"});
int64_t b = CheckedInt({"incr", "b"});
ASSERT_LE(a, b);
int64_t c = CheckedInt({"incr", "c"});
if (a > c) {
LOG(ERROR) << "Consistency error ";
}
ASSERT_LE(a, c);
}
});
mset_fb.join();
get_fb.join();
}
} // namespace dfly