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chore(hyperloglog): add go test cases and minor optimizations/bugfixes (
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,216 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
|
|
||
| package hyperloglog | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "testing" | ||
|
|
||
| "github.com/apache/kvrocks/tests/gocase/util" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestHyperLogLog(t *testing.T) { | ||
| srv := util.StartServer(t, map[string]string{}) | ||
| defer srv.Close() | ||
|
|
||
| ctx := context.Background() | ||
| rdb := srv.NewClient() | ||
| defer func() { require.NoError(t, rdb.Close()) }() | ||
|
|
||
| t.Run("basic add", func(t *testing.T) { | ||
| require.NoError(t, rdb.Do(ctx, "DEL", "hll").Err()) | ||
|
|
||
| card, err := rdb.PFCount(ctx, "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 0, card) | ||
| addCnt, err := rdb.PFAdd(ctx, "hll", "foo").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
| card, err = rdb.PFCount(ctx, "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, card) | ||
| }) | ||
|
|
||
| t.Run("duplicate add", func(t *testing.T) { | ||
| require.NoError(t, rdb.Do(ctx, "DEL", "hll").Err()) | ||
|
|
||
| card, err := rdb.PFCount(ctx, "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 0, card) | ||
| addCnt, err := rdb.PFAdd(ctx, "hll", "foo").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
| addCnt, err = rdb.PFAdd(ctx, "hll", "foo").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 0, addCnt) | ||
| }) | ||
|
|
||
| t.Run("empty add", func(t *testing.T) { | ||
| require.NoError(t, rdb.Do(ctx, "DEL", "hll").Err()) | ||
|
|
||
| addCnt, err := rdb.PFAdd(ctx, "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 0, addCnt) | ||
|
|
||
| card, err := rdb.PFCount(ctx, "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 0, card) | ||
| }) | ||
|
|
||
| t.Run("multiple add", func(t *testing.T) { | ||
| require.NoError(t, rdb.Do(ctx, "DEL", "hll").Err()) | ||
|
|
||
| addCnt, err := rdb.PFAdd(ctx, "hll", "a", "b", "c", "d").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
|
|
||
| card, err := rdb.PFCount(ctx, "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 4, card) | ||
|
|
||
| addCnt, err = rdb.PFAdd(ctx, "hll", "a", "b", "c").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 0, addCnt) | ||
|
|
||
| addCnt, err = rdb.PFAdd(ctx, "hll", "a", "f", "c").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
|
|
||
| card, err = rdb.PFCount(ctx, "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 5, card) | ||
| }) | ||
|
|
||
| t.Run("multiple count", func(t *testing.T) { | ||
| require.NoError(t, rdb.Do(ctx, "DEL", "hll").Err()) | ||
| // Delete hll1, hll2, hll3 | ||
| for i := 0; i < 3; i++ { | ||
| require.NoError(t, rdb.Do(ctx, "DEL", fmt.Sprintf("hll%d", i)).Err()) | ||
| } | ||
|
|
||
| addCnt, err := rdb.PFAdd(ctx, "hll", "a", "b", "c", "d").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
|
|
||
| addCnt, err = rdb.PFAdd(ctx, "hll1", "a", "b", "c", "d").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
|
|
||
| card, err := rdb.PFCount(ctx, "hll", "hll1").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 4, card) | ||
|
|
||
| // Order doesn't matter | ||
| card, err = rdb.PFCount(ctx, "hll1", "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 4, card) | ||
|
|
||
| // Count non-exist key | ||
| card, err = rdb.PFCount(ctx, "hll1", "hll2", "hll3").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 4, card) | ||
|
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||
| addCnt, err = rdb.PFAdd(ctx, "hll2", "1", "2", "3").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
|
|
||
| card, err = rdb.PFCount(ctx, "hll", "hll1", "hll2").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 7, card) | ||
|
|
||
| // add with overlap | ||
| addCnt, err = rdb.PFAdd(ctx, "hll3", "a", "3", "5").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
|
|
||
| card, err = rdb.PFCount(ctx, "hll", "hll1", "hll2", "hll3").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 8, card) | ||
| }) | ||
|
|
||
| t.Run("basic merge", func(t *testing.T) { | ||
| require.NoError(t, rdb.Do(ctx, "DEL", "hll").Err()) | ||
| // Delete hll1, hll2, hll3, hll4 | ||
| for i := 0; i < 4; i++ { | ||
| require.NoError(t, rdb.Do(ctx, "DEL", fmt.Sprintf("hll%d", i)).Err()) | ||
| } | ||
|
|
||
| addCnt, err := rdb.PFAdd(ctx, "hll", "a", "b", "c", "d").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
|
|
||
| // Empty merge | ||
| mergeCmd, err := rdb.PFMerge(ctx, "hll").Result() | ||
| require.NoError(t, err) | ||
| // mergeCmd result is always "OK" | ||
| require.EqualValues(t, "OK", mergeCmd) | ||
|
|
||
| // Count the merged key | ||
| card, err := rdb.PFCount(ctx, "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 4, card) | ||
|
|
||
| // Merge to hll1 | ||
| mergeCmd, err = rdb.PFMerge(ctx, "hll1", "hll").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, "OK", mergeCmd) | ||
|
|
||
| // Count the merged key | ||
| card, err = rdb.PFCount(ctx, "hll1").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 4, card) | ||
|
|
||
| // Add more elements to hll2 | ||
| addCnt, err = rdb.PFAdd(ctx, "hll2", "e", "f", "g").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
|
|
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| card, err = rdb.PFCount(ctx, "hll2").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 3, card) | ||
|
|
||
| // merge to hll3 | ||
| mergeCmd, err = rdb.PFMerge(ctx, "hll3", "hll", "hll1", "hll2").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, "OK", mergeCmd) | ||
|
|
||
| // Count the merged key | ||
| card, err = rdb.PFCount(ctx, "hll3").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 7, card) | ||
|
|
||
| // Add more elements to hll4 | ||
| addCnt, err = rdb.PFAdd(ctx, "hll4", "h", "i", "j").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 1, addCnt) | ||
|
|
||
| // Merge all to existing hll4 | ||
| mergeCmd, err = rdb.PFMerge(ctx, "hll4", "hll", "hll1", "hll2", "hll3").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, "OK", mergeCmd) | ||
|
|
||
| // Count the merged key | ||
| card, err = rdb.PFCount(ctx, "hll4").Result() | ||
| require.NoError(t, err) | ||
| require.EqualValues(t, 10, card) | ||
| }) | ||
| } |