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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/document/test/make_document_bucket.h>
#include <vespa/storage/distributor/maintenance/simplebucketprioritydatabase.h>
#include <vespa/vespalib/gtest/gtest.h>
#include <string>
using document::test::makeDocumentBucket;
using namespace ::testing;
namespace storage::distributor {
using document::BucketId;
using Priority = MaintenancePriority;
struct SimpleBucketPriorityDatabaseTest : Test {
SimpleBucketPriorityDatabase _queue;
};
TEST_F(SimpleBucketPriorityDatabaseTest, iterator_range_is_equal_on_empty_database) {
auto begin = _queue.begin();
auto end = _queue.end();
EXPECT_TRUE(begin == end);
EXPECT_TRUE(begin == begin);
EXPECT_TRUE(end == end);
}
TEST_F(SimpleBucketPriorityDatabaseTest, can_get_prioritized_bucket) {
PrioritizedBucket lowPriBucket(makeDocumentBucket(BucketId(16, 1234)), Priority::VERY_LOW);
_queue.setPriority(lowPriBucket);
PrioritizedBucket highest(*_queue.begin());
EXPECT_EQ(lowPriBucket, highest);
}
TEST_F(SimpleBucketPriorityDatabaseTest, iterate_over_multiple_priorities) {
PrioritizedBucket lowPriBucket(makeDocumentBucket(BucketId(16, 1234)), Priority::LOW);
PrioritizedBucket highPriBucket(makeDocumentBucket(BucketId(16, 4321)), Priority::HIGH);
_queue.setPriority(lowPriBucket);
_queue.setPriority(highPriBucket);
auto iter = _queue.begin();
ASSERT_EQ(highPriBucket, *iter);
++iter;
ASSERT_TRUE(iter != _queue.end());
ASSERT_EQ(lowPriBucket, *iter);
++iter;
ASSERT_TRUE(iter == _queue.end());
}
TEST_F(SimpleBucketPriorityDatabaseTest, multiple_set_priority_for_one_bucket) {
PrioritizedBucket lowPriBucket(makeDocumentBucket(BucketId(16, 1234)), Priority::LOW);
PrioritizedBucket highPriBucket(makeDocumentBucket(BucketId(16, 1234)), Priority::HIGH);
_queue.setPriority(lowPriBucket);
_queue.setPriority(highPriBucket);
auto iter = _queue.begin();
ASSERT_EQ(highPriBucket, *iter);
++iter;
ASSERT_TRUE(iter == _queue.end());
}
TEST_F(SimpleBucketPriorityDatabaseTest, no_maintenance_needed_clears_bucket_from_database) {
PrioritizedBucket highPriBucket(makeDocumentBucket(BucketId(16, 1234)), Priority::HIGH);
PrioritizedBucket noPriBucket(makeDocumentBucket(BucketId(16, 1234)),
Priority::NO_MAINTENANCE_NEEDED);
_queue.setPriority(highPriBucket);
_queue.setPriority(noPriBucket);
auto iter = _queue.begin();
ASSERT_TRUE(iter == _queue.end());
}
TEST_F(SimpleBucketPriorityDatabaseTest, iterate_over_multiple_buckets_with_multiple_priorities) {
PrioritizedBucket lowPriBucket1(makeDocumentBucket(BucketId(16, 1)), Priority::LOW);
PrioritizedBucket lowPriBucket2(makeDocumentBucket(BucketId(16, 2)), Priority::LOW);
PrioritizedBucket mediumPriBucket(makeDocumentBucket(BucketId(16, 3)), Priority::MEDIUM);
PrioritizedBucket highPriBucket1(makeDocumentBucket(BucketId(16, 4)), Priority::HIGH);
PrioritizedBucket highPriBucket2(makeDocumentBucket(BucketId(16, 5)), Priority::HIGH);
_queue.setPriority(highPriBucket1);
_queue.setPriority(lowPriBucket2);
_queue.setPriority(mediumPriBucket);
_queue.setPriority(highPriBucket2);
_queue.setPriority(lowPriBucket1);
auto iter = _queue.begin();
PrioritizedBucket lastBucket(makeDocumentBucket(BucketId()), Priority::PRIORITY_LIMIT);
for (int i = 0; i < 5; ++i) {
ASSERT_TRUE(iter != _queue.end());
ASSERT_FALSE(iter->moreImportantThan(lastBucket));
lastBucket = *iter;
++iter;
}
ASSERT_TRUE(iter == _queue.end());
}
TEST_F(SimpleBucketPriorityDatabaseTest, buckets_within_same_priority_class_are_fifo_ordered) {
// We want FIFO order (2, 1) within the same priority class, not bucket ID order (1, 2).
PrioritizedBucket first_bucket(makeDocumentBucket(BucketId(16, 2)), Priority::LOW);
PrioritizedBucket second_bucket(makeDocumentBucket(BucketId(16, 1)), Priority::LOW);
_queue.setPriority(first_bucket);
_queue.setPriority(second_bucket);
auto iter = _queue.begin();
EXPECT_EQ(first_bucket, *iter);
++iter;
EXPECT_EQ(second_bucket, *iter);
}
}
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