TUN-1885: Reconfigure cloudflared on receiving new ClientConfig

cmd/cloudflared/updater/update_test.go

@@ -0,0 +1,26 @@
+package updater
+
+import (
+	"context"
+	"testing"
+
+	"github.com/facebookgo/grace/gracenet"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDisabledAutoUpdater(t *testing.T) {
+	listeners := &gracenet.Net{}
+	autoupdater := NewAutoUpdater(0, listeners)
+	ctx, cancel := context.WithCancel(context.Background())
+	errC := make(chan error)
+	go func() {
+		errC <- autoupdater.Run(ctx)
+	}()
+
+	assert.False(t, autoupdater.configurable.enabled)
+	assert.Equal(t, DefaultCheckUpdateFreq, autoupdater.configurable.freq)
+
+	cancel()
+	// Make sure that autoupdater terminates after canceling the context
+	assert.Equal(t, context.Canceled, <-errC)
+}