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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/document/base/documentid.h>
#include <vespa/storage/distributor/operation_sequencer.h>
#include <vespa/vespalib/gtest/gtest.h>
namespace storage::distributor {
using document::DocumentId;
TEST(OperationSequencerTest, can_get_sequencing_handle_for_id_without_existing_handle) {
OperationSequencer sequencer;
auto handle = sequencer.try_acquire(DocumentId("id:foo:test::abcd"));
EXPECT_TRUE(handle.valid());
}
TEST(OperationSequencerTest, cannot_get_sequencing_handle_for_id_with_existing_handle) {
OperationSequencer sequencer;
auto first_handle = sequencer.try_acquire(DocumentId("id:foo:test::abcd"));
auto second_handle = sequencer.try_acquire(DocumentId("id:foo:test::abcd"));
EXPECT_FALSE(second_handle.valid());
}
TEST(OperationSequencerTest, can_get_sequencing_handle_for_different_ids) {
OperationSequencer sequencer;
auto first_handle = sequencer.try_acquire(DocumentId("id:foo:test::abcd"));
auto second_handle = sequencer.try_acquire(DocumentId("id:foo:test::efgh"));
EXPECT_TRUE(first_handle.valid());
EXPECT_TRUE(second_handle.valid());
}
TEST(OperationSequencerTest, releasing_handle_allows_for_getting_new_handles_for_id) {
OperationSequencer sequencer;
auto first_handle = sequencer.try_acquire(DocumentId("id:foo:test::abcd"));
// Explicit release
first_handle.release();
{
auto second_handle = sequencer.try_acquire(DocumentId("id:foo:test::abcd"));
EXPECT_TRUE(second_handle.valid());
// Implicit release by scope exit
}
auto third_handle = sequencer.try_acquire(DocumentId("id:foo:test::abcd"));
EXPECT_TRUE(third_handle.valid());
}
} // storage::distributor
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