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Postgres: Switch the datasource plugin from lib/pq to pgx (#83768)

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postgres: switch from lib/pq to pgx
This commit is contained in:
Gábor Farkas
2024-03-13 09:52:39 +01:00
committed by GitHub
parent 2acd48d1c2
commit ecd6de826a
17 changed files with 1082 additions and 947 deletions
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63
pkg/tsdb/grafana-postgresql-datasource/locker_test.go
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@ -1,63 +0,0 @@
package postgres
import (
"sync"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestIntegrationLocker(t *testing.T) {
if testing.Short() {
t.Skip("Tests with Sleep")
}
const notUpdated = "not_updated"
const atThread1 = "at_thread_1"
const atThread2 = "at_thread_2"
t.Run("Should lock for same keys", func(t *testing.T) {
updated := notUpdated
locker := newLocker()
locker.Lock(1)
var wg sync.WaitGroup
wg.Add(1)
defer func() {
locker.Unlock(1)
wg.Wait()
}()
go func() {
locker.RLock(1)
defer func() {
locker.RUnlock(1)
wg.Done()
}()
require.Equal(t, atThread1, updated, "Value should be updated in different thread")
updated = atThread2
}()
time.Sleep(time.Millisecond * 10)
require.Equal(t, notUpdated, updated, "Value should not be updated in different thread")
updated = atThread1
})
t.Run("Should not lock for different keys", func(t *testing.T) {
updated := notUpdated
locker := newLocker()
locker.Lock(1)
defer locker.Unlock(1)
var wg sync.WaitGroup
wg.Add(1)
go func() {
locker.RLock(2)
defer func() {
locker.RUnlock(2)
wg.Done()
}()
require.Equal(t, notUpdated, updated, "Value should not be updated in different thread")
updated = atThread2
}()
wg.Wait()
require.Equal(t, atThread2, updated, "Value should be updated in different thread")
updated = atThread1
})
}