dcapwell commented on code in PR #3948:
URL: https://github.com/apache/cassandra/pull/3948#discussion_r1980420802
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test/unit/org/apache/cassandra/utils/CassandraGenerators.java:
##########
@@ -413,10 +491,250 @@ public Gen<KeyspaceMetadata> build()
}
}
+ public static Gen<CachingParams> cachingParamsGen()
+ {
+ return rnd -> {
+ boolean cacheKeys = nextBoolean(rnd);
+ int rowsPerPartitionToCache;
+ switch (SourceDSL.integers().between(1, 3).generate(rnd))
+ {
+ case 1: // ALL
+ rowsPerPartitionToCache = Integer.MAX_VALUE;
+ break;
+ case 2: // NONE
+ rowsPerPartitionToCache = 0;
+ break;
+ case 3: // num values
+ rowsPerPartitionToCache =
Math.toIntExact(rnd.next(Constraint.between(1, Integer.MAX_VALUE - 1)));
+ break;
+ default:
+ throw new AssertionError();
+ }
+ return new CachingParams(cacheKeys, rowsPerPartitionToCache);
+ };
+ }
+
+ public enum KnownCompactionAlgo
+ {
+ SizeTiered(SizeTieredCompactionStrategy.class),
+ Leveled(LeveledCompactionStrategy.class),
+ Unified(UnifiedCompactionStrategy.class);
+ private final Class<? extends AbstractCompactionStrategy> klass;
+
+ KnownCompactionAlgo(Class<? extends AbstractCompactionStrategy> klass)
+ {
+ this.klass = klass;
+ }
+ }
+
+ public static class CompactionParamsBuilder
+ {
+ private Gen<KnownCompactionAlgo> algoGen =
SourceDSL.arbitrary().enumValues(KnownCompactionAlgo.class);
+ private Gen<CompactionParams.TombstoneOption> tombstoneOptionGen =
SourceDSL.arbitrary().enumValues(CompactionParams.TombstoneOption.class);
+ private Gen<Map<String, String>> sizeTieredOptions = rnd -> {
+ if (nextBoolean(rnd)) return Map.of();
+ Map<String, String> options = new HashMap<>();
+ if (nextBoolean(rnd))
+ // computes mb then converts to bytes
+
options.put(SizeTieredCompactionStrategyOptions.MIN_SSTABLE_SIZE_KEY,
Long.toString(SourceDSL.longs().between(1, 100).generate(rnd) * 1024L * 1024L));
+ if (nextBoolean(rnd))
+
options.put(SizeTieredCompactionStrategyOptions.BUCKET_LOW_KEY,
Double.toString(SourceDSL.doubles().between(0.1, 0.9).generate(rnd)));
+ if (nextBoolean(rnd))
+
options.put(SizeTieredCompactionStrategyOptions.BUCKET_HIGH_KEY,
Double.toString(SourceDSL.doubles().between(1.1, 1.9).generate(rnd)));
+ return options;
+ };
+ private Gen<Map<String, String>> leveledOptions = rnd -> {
+ if (nextBoolean(rnd)) return Map.of();
+ Map<String, String> options = new HashMap<>();
+ if (nextBoolean(rnd))
+ options.putAll(sizeTieredOptions.generate(rnd));
+ if (nextBoolean(rnd))
+ // size in mb
+ options.put(LeveledCompactionStrategy.SSTABLE_SIZE_OPTION,
SourceDSL.integers().between(1, 2_000).generate(rnd).toString());
+ if (nextBoolean(rnd))
+
options.put(LeveledCompactionStrategy.LEVEL_FANOUT_SIZE_OPTION,
SourceDSL.integers().between(1, 100).generate(rnd).toString());
+ if (nextBoolean(rnd))
+
options.put(LeveledCompactionStrategy.SINGLE_SSTABLE_UPLEVEL_OPTION,
nextBoolean(rnd).toString());
+ return options;
+ };
+ private Gen<Map<String, String>> unifiedOptions = rnd -> {
Review Comment:
i don't include every config, this one class took way more time than
everything else put together...
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