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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/storage/persistence/apply_bucket_diff_entry_result.h>
#include <vespa/storage/persistence/apply_bucket_diff_state.h>
#include <vespa/storage/persistence/merge_bucket_info_syncer.h>
#include <vespa/document/base/documentid.h>
#include <vespa/document/bucket/bucketid.h>
#include <vespa/document/bucket/bucketidfactory.h>
#include <vespa/document/test/make_document_bucket.h>
#include <vespa/persistence/spi/result.h>
#include <gtest/gtest.h>
using document::DocumentId;
using document::test::makeDocumentBucket;
namespace storage {
namespace {
spi::Result spi_result_ok;
spi::Result spi_result_fail(spi::Result::ErrorType::RESOURCE_EXHAUSTED, "write blocked");
document::BucketIdFactory bucket_id_factory;
const char *test_op = "put";
document::Bucket dummy_document_bucket(makeDocumentBucket(document::BucketId(0, 16)));
class DummyMergeBucketInfoSyncer : public MergeBucketInfoSyncer
{
uint32_t& _sync_count;
public:
DummyMergeBucketInfoSyncer(uint32_t& sync_count)
: MergeBucketInfoSyncer(),
_sync_count(sync_count)
{
}
void sync_bucket_info(const spi::Bucket& bucket) const override {
EXPECT_EQ(bucket, spi::Bucket(dummy_document_bucket));
++_sync_count;
}
};
ApplyBucketDiffEntryResult
make_result(spi::Result &spi_result, const DocumentId &doc_id)
{
std::promise<std::unique_ptr<spi::Result>> result_promise;
result_promise.set_value(std::make_unique<spi::Result>(spi_result));
spi::Bucket bucket(makeDocumentBucket(bucket_id_factory.getBucketId(doc_id)));
return ApplyBucketDiffEntryResult(result_promise.get_future(), bucket, doc_id, test_op);
}
void push_ok(ApplyBucketDiffState &state)
{
state.push_back(make_result(spi_result_ok, DocumentId("id::test::0")));
state.push_back(make_result(spi_result_ok, DocumentId("id::test::1")));
}
void push_bad(ApplyBucketDiffState &state)
{
state.push_back(make_result(spi_result_ok, DocumentId("id::test::0")));
state.push_back(make_result(spi_result_fail, DocumentId("id::test::1")));
state.push_back(make_result(spi_result_fail, DocumentId("id::test::2")));
}
}
class ApplyBucketDiffStateTestBase : public ::testing::Test
{
public:
uint32_t sync_count;
DummyMergeBucketInfoSyncer syncer;
ApplyBucketDiffStateTestBase()
: ::testing::Test(),
sync_count(0u),
syncer(sync_count)
{
}
std::unique_ptr<ApplyBucketDiffState> make_state() {
return std::make_unique<ApplyBucketDiffState>(syncer, spi::Bucket(dummy_document_bucket));
}
};
class ApplyBucketDiffStateTest : public ApplyBucketDiffStateTestBase
{
public:
std::unique_ptr<ApplyBucketDiffState> state;
ApplyBucketDiffStateTest()
: ApplyBucketDiffStateTestBase(),
state(make_state())
{
}
void reset() {
state = make_state();
}
void check_failure() {
try {
state->check();
FAIL() << "Failed to throw exception for failed result";
} catch (std::exception &e) {
EXPECT_EQ("Failed put for id::test::1 in Bucket(0xeb4700c03842cac4): Result(5, write blocked)", std::string(e.what()));
}
}
};
TEST_F(ApplyBucketDiffStateTest, ok_results_can_be_checked)
{
push_ok(*state);
state->check();
}
TEST_F(ApplyBucketDiffStateTest, failed_result_errors_ignored)
{
push_bad(*state);
}
TEST_F(ApplyBucketDiffStateTest, first_failed_result_throws_exception)
{
push_bad(*state);
ASSERT_NO_FATAL_FAILURE(check_failure());
}
TEST_F(ApplyBucketDiffStateTest, sync_bucket_info_if_needed_on_destruct)
{
reset();
EXPECT_EQ(0, sync_count);
state->mark_stale_bucket_info();
EXPECT_EQ(0, sync_count);
reset();
EXPECT_EQ(1, sync_count);
}
TEST_F(ApplyBucketDiffStateTest, explicit_sync_bucket_info_works)
{
state->sync_bucket_info();
EXPECT_EQ(0, sync_count);
state->mark_stale_bucket_info();
state->sync_bucket_info();
EXPECT_EQ(1, sync_count);
state->sync_bucket_info();
EXPECT_EQ(1, sync_count);
reset();
EXPECT_EQ(1, sync_count);
}
}
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