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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.core;
import org.junit.Test;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class AggregatedStatsMergePendingCheckerTest {
private static class Fixture {
private final AggregatedClusterStats mockAggregatedStats = mock(AggregatedClusterStats.class);
private final AggregatedStatsMergePendingChecker checker;
Fixture(ContentClusterStatsBuilder builder,
boolean hasUpdatesFromAllDistributors,
double minMergeCompletionRatio) {
when(mockAggregatedStats.getStats()).thenReturn(builder.build());
when(mockAggregatedStats.hasUpdatesFromAllDistributors()).thenReturn(hasUpdatesFromAllDistributors);
this.checker = new AggregatedStatsMergePendingChecker(mockAggregatedStats, minMergeCompletionRatio);
}
static Fixture fromBucketsPending(long bucketsPending) {
return new Fixture(new ContentClusterStatsBuilder()
.add(1, "default", 5, bucketsPending),
true, 1.0);
}
static Fixture fromBucketsPending(long bucketsPending, double minMergeCompletionRatio) {
return new Fixture(new ContentClusterStatsBuilder()
.add(1, "default", 5, bucketsPending),
true, minMergeCompletionRatio);
}
static Fixture fromInvalidBucketStats() {
return new Fixture(new ContentClusterStatsBuilder()
.add(1, "default"),
true, 1.0);
}
static Fixture fromIncompleteStats() {
return new Fixture(new ContentClusterStatsBuilder(), false, 1.0);
}
boolean mayHaveMergesPending(String bucketSpace, int contentNodeIndex) {
return checker.mayHaveMergesPending(bucketSpace, contentNodeIndex);
}
}
@Test
public void unknown_content_node_may_have_merges_pending() {
Fixture f = Fixture.fromBucketsPending(1);
assertTrue(f.mayHaveMergesPending("default", 2));
}
@Test
public void unknown_bucket_space_has_no_merges_pending() {
Fixture f = Fixture.fromBucketsPending(1);
assertFalse(f.mayHaveMergesPending("global", 1));
}
@Test
public void valid_bucket_space_stats_can_have_no_merges_pending() {
Fixture f = Fixture.fromBucketsPending(0);
assertFalse(f.mayHaveMergesPending("default", 1));
}
@Test
public void valid_bucket_space_stats_may_have_merges_pending() {
Fixture f = Fixture.fromBucketsPending(1);
assertTrue(f.mayHaveMergesPending("default", 1));
}
@Test
public void invalid_bucket_space_stats_may_have_merges_pending() {
Fixture f = Fixture.fromInvalidBucketStats();
assertTrue(f.mayHaveMergesPending("default", 1));
}
@Test
public void cluster_without_updates_from_all_distributors_may_have_merges_pending() {
Fixture f = Fixture.fromIncompleteStats();
assertTrue(f.mayHaveMergesPending("default", 1));
}
@Test
public void min_merge_completion_ratio_is_used_when_calculating_may_have_merges_pending() {
// Completion ratio is (5-3)/5 = 0.4
assertTrue(Fixture.fromBucketsPending(3, 0.6).mayHaveMergesPending("default", 1));
// Completion ratio is (5-2)/5 = 0.6
assertFalse(Fixture.fromBucketsPending(2, 0.6).mayHaveMergesPending("default", 1));
}
}
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