mirror of https://github.com/status-im/consul.git
74 lines
2.0 KiB
Go
74 lines
2.0 KiB
Go
package consul
|
|
|
|
import (
|
|
"context"
|
|
"sync/atomic"
|
|
"testing"
|
|
|
|
"github.com/hashicorp/consul/sdk/testutil"
|
|
"github.com/hashicorp/consul/sdk/testutil/retry"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestLeaderRoutineManager(t *testing.T) {
|
|
t.Parallel()
|
|
var runs uint32
|
|
var running uint32
|
|
// tlog := testutil.NewCancellableTestLogger(t)
|
|
// defer tlog.Cancel()
|
|
mgr := NewLeaderRoutineManager(testutil.Logger(t))
|
|
|
|
run := func(ctx context.Context) error {
|
|
atomic.StoreUint32(&running, 1)
|
|
defer atomic.StoreUint32(&running, 0)
|
|
atomic.AddUint32(&runs, 1)
|
|
<-ctx.Done()
|
|
return nil
|
|
}
|
|
|
|
// IsRunning on unregistered service should be false
|
|
require.False(t, mgr.IsRunning("not-found"))
|
|
|
|
// start
|
|
require.NoError(t, mgr.Start("run", run))
|
|
require.True(t, mgr.IsRunning("run"))
|
|
retry.Run(t, func(r *retry.R) {
|
|
require.Equal(r, uint32(1), atomic.LoadUint32(&runs))
|
|
require.Equal(r, uint32(1), atomic.LoadUint32(&running))
|
|
})
|
|
require.NoError(t, mgr.Stop("run"))
|
|
|
|
// ensure the background go routine was actually cancelled
|
|
retry.Run(t, func(r *retry.R) {
|
|
require.Equal(r, uint32(1), atomic.LoadUint32(&runs))
|
|
require.Equal(r, uint32(0), atomic.LoadUint32(&running))
|
|
})
|
|
|
|
// restart and stop
|
|
require.NoError(t, mgr.Start("run", run))
|
|
retry.Run(t, func(r *retry.R) {
|
|
require.Equal(r, uint32(2), atomic.LoadUint32(&runs))
|
|
require.Equal(r, uint32(1), atomic.LoadUint32(&running))
|
|
})
|
|
|
|
require.NoError(t, mgr.Stop("run"))
|
|
retry.Run(t, func(r *retry.R) {
|
|
require.Equal(r, uint32(0), atomic.LoadUint32(&running))
|
|
})
|
|
|
|
// start with a context
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
require.NoError(t, mgr.StartWithContext(ctx, "run", run))
|
|
cancel()
|
|
|
|
// The function should exit of its own accord due to the parent
|
|
// context being canceled
|
|
retry.Run(t, func(r *retry.R) {
|
|
require.Equal(r, uint32(3), atomic.LoadUint32(&runs))
|
|
require.Equal(r, uint32(0), atomic.LoadUint32(&running))
|
|
// the task should automatically set itself to not running if
|
|
// it exits early
|
|
require.False(r, mgr.IsRunning("run"))
|
|
})
|
|
}
|