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Reduce flakiness in ClickHouse tests #1902

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merged 4 commits into from
Nov 13, 2023
Merged

Reduce flakiness in ClickHouse tests #1902

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a15b286
Add retry
rafiramadhana Nov 4, 2023
2947251
Merge performCRUD and performCRUDWithRetry
rafiramadhana Nov 10, 2023
e3d6717
Update retry
rafiramadhana Nov 12, 2023
a941bb2
Run linter
rafiramadhana Nov 13, 2023
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36 changes: 23 additions & 13 deletions modules/clickhouse/clickhouse_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import (

ch "github.com/ClickHouse/clickhouse-go/v2"
"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
"github.com/cenkalti/backoff/v4"
"github.com/stretchr/testify/assert"

"github.com/testcontainers/testcontainers-go"
Expand Down Expand Up @@ -218,22 +219,31 @@ func TestClickHouseWithConfigFile(t *testing.T) {
}

func performCRUD(conn driver.Conn) ([]Test, error) {
err := conn.Exec(context.Background(), "create table if not exists test_table (id UInt64) engine = MergeTree PRIMARY KEY (id) ORDER BY (id) SETTINGS index_granularity = 8192;")
if err != nil {
return nil, err
}
var (
err error
rows []Test
)

err = conn.Exec(context.Background(), "INSERT INTO test_table (id) VALUES (1);")
if err != nil {
return nil, err
}
err = backoff.Retry(func() error {
err = conn.Exec(context.Background(), "create table if not exists test_table (id UInt64) engine = MergeTree PRIMARY KEY (id) ORDER BY (id) SETTINGS index_granularity = 8192;")
if err != nil {
return err
}

rows, err := getAllRows(conn)
if err != nil {
return nil, err
}
err = conn.Exec(context.Background(), "INSERT INTO test_table (id) VALUES (1);")
if err != nil {
return err
}

rows, err = getAllRows(conn)
if err != nil {
return err
}

return nil
}, backoff.NewExponentialBackOff())

return rows, nil
return rows, err
}

func getAllRows(conn driver.Conn) ([]Test, error) {
Expand Down