Add fetching of addresses from proxyGetConfig endpoint

mtglib/internal/dc/updater_test.go

@@ -0,0 +1,55 @@
+package dc
+
+import (
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/suite"
+)
+
+type UpdaterTestSuite struct {
+	UpdaterTestSuiteBase
+
+	u updater
+}
+
+func (s *UpdaterTestSuite) SetupTest() {
+	s.UpdaterTestSuiteBase.SetupTest()
+	s.u = updater{
+		logger: s.loggerMock,
+		period: 100 * time.Millisecond,
+	}
+}
+
+func (s *UpdaterTestSuite) TestPeriodicUpdates() {
+	ticker := time.NewTicker(10 * time.Millisecond)
+	defer ticker.Stop()
+
+	lock := &sync.Mutex{}
+	collected := []time.Time{}
+
+	go s.u.run(s.ctx, func() error {
+		select {
+		case <-s.ctx.Done():
+		case value := <-ticker.C:
+			lock.Lock()
+			collected = append(collected, value)
+			lock.Unlock()
+		}
+
+		return nil
+	})
+
+	s.Eventually(func() bool {
+		lock.Lock()
+		defer lock.Unlock()
+
+		return len(collected) == 3
+	}, time.Second, 10*time.Millisecond)
+}
+
+func TestUpdater(t *testing.T) {
+	t.Parallel()
+	suite.Run(t, &UpdaterTestSuite{})
+}