grafana/pkg/infra/serverlock/serverlock_integration_test.go

36 lines
793 B
Go

// +build integration
package serverlock
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestServerLok(t *testing.T) {
sl := createTestableServerLock(t)
counter := 0
fn := func() { counter++ }
atInterval := time.Second * 1
ctx := context.Background()
//this time `fn` should be executed
assert.Nil(t, sl.LockAndExecute(ctx, "test-operation", atInterval, fn))
//this should not execute `fn`
assert.Nil(t, sl.LockAndExecute(ctx, "test-operation", atInterval, fn))
assert.Nil(t, sl.LockAndExecute(ctx, "test-operation", atInterval, fn))
// wait 2 second.
<-time.After(time.Second * 2)
// now `fn` should be executed again
err := sl.LockAndExecute(ctx, "test-operation", atInterval, fn)
assert.Nil(t, err)
assert.Equal(t, counter, 2)
}