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Add MergeOperator UnitTest for Remote Compaction (#13683)

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Summary:
As title. Simple Unit Test to check MergeOperator in Remote Compaction flow.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/13683

Test Plan:
```
./compaction_service_test --gtest_filter="*CompactionServiceTest.MergeOperator*"
```

Reviewed By: hx235

Differential Revision: D76459146

Pulled By: jaykorean

fbshipit-source-id: 50956824d50c503e7166304a2d52f624bbdda7ec
This commit is contained in:
Jay Huh
2025-06-11 17:30:54 -07:00
committed by Facebook GitHub Bot
parent 37a26591c7
commit 873f7fe535
1 changed files with 27 additions and 0 deletions
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db/compaction/compaction_service_test.cc
+27
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@@ -7,6 +7,7 @@
#include "port/stack_trace.h"
#include "rocksdb/utilities/options_util.h"
#include "table/unique_id_impl.h"
#include "utilities/merge_operators/string_append/stringappend.h"
namespace ROCKSDB_NAMESPACE {
@@ -1222,6 +1223,32 @@ TEST_F(CompactionServiceTest, CompactionFilter) {
ASSERT_GE(my_cs->GetCompactionNum(), 1);
}
TEST_F(CompactionServiceTest, MergeOperator) {
Options options = CurrentOptions();
options.merge_operator.reset(new StringAppendOperator(','));
ReopenWithCompactionService(&options);
GenerateTestData();
ASSERT_OK(dbfull()->TEST_WaitForCompact());
for (int i = 0; i < 200; i++) {
ASSERT_OK(db_->Merge(WriteOptions(), Key(i),
"merge_op_append_" + std::to_string(i)));
}
ASSERT_OK(db_->CompactRange(CompactRangeOptions(), nullptr, nullptr));
// verify result
for (int i = 0; i < 200; i++) {
auto result = Get(Key(i));
if (i % 2) {
ASSERT_EQ(result, "value" + std::to_string(i) + ",merge_op_append_" +
std::to_string(i));
} else {
ASSERT_EQ(result, "value_new" + std::to_string(i) + ",merge_op_append_" +
std::to_string(i));
}
}
auto my_cs = GetCompactionService();
ASSERT_GE(my_cs->GetCompactionNum(), 1);
}
TEST_F(CompactionServiceTest, Snapshot) {
Options options = CurrentOptions();
ReopenWithCompactionService(&options);