chakkk309 commented on code in PR #3312:
URL: https://github.com/apache/kvrocks/pull/3312#discussion_r2901304722
##########
tests/gocase/unit/type/tdigest/tdigest_test.go:
##########
@@ -717,6 +717,101 @@ func tdigestTests(t *testing.T, configs
util.KvrocksServerConfigs) {
require.EqualValues(t, expected[i], rank, "REVRANK
mismatch at index %d", i)
}
})
+
+ t.Run("TDIGEST.TRIMMED_MEAN with non-existent key", func(t *testing.T) {
+ require.ErrorContains(t, rdb.Do(ctx, "TDIGEST.TRIMMED_MEAN",
"nonexistent", "0.1", "0.9").Err(), errMsgKeyNotExist)
+ })
+
+ t.Run("TDIGEST.TRIMMED_MEAN with empty tdigest", func(t *testing.T) {
+ emptyKey := "tdigest_empty"
+ require.NoError(t, rdb.Do(ctx, "TDIGEST.CREATE", emptyKey,
"compression", "100").Err())
+
+ result := rdb.Do(ctx, "TDIGEST.TRIMMED_MEAN", emptyKey, "0.1",
"0.9")
+ require.NoError(t, result.Err())
+ require.Equal(t, "nan", result.Val())
+ })
+
+ t.Run("TDIGEST.TRIMMED_MEAN with basic data set", func(t *testing.T) {
+ key := "tdigest_basic"
+ require.NoError(t, rdb.Do(ctx, "TDIGEST.CREATE", key,
"compression", "100").Err())
+ require.NoError(t, rdb.Do(ctx, "TDIGEST.ADD", key, "1", "2",
"3", "4", "5", "6", "7", "8", "9", "10").Err())
+
+ result := rdb.Do(ctx, "TDIGEST.TRIMMED_MEAN", key, "0.1", "0.9")
+ require.NoError(t, result.Err())
+ mean, err := strconv.ParseFloat(result.Val().(string), 64)
+ require.NoError(t, err)
+ require.InDelta(t, 5.5, mean, 1.0)
Review Comment:
Thanks for the feedback! I verified this on Redis and the result is exactly
5.5, so I'll tighten the delta.
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