Рыба проекта. Минимальная функциональность

pkg/adapters/scheduler/cron/cron_test.go

@@ -0,0 +1,61 @@
+package cron
+
+import (
+	"testing"
+	"time"
+)
+
+func TestJobFiresAtExpectedTime(t *testing.T) {
+	fired := make(chan struct{}, 1)
+
+	job := func() {
+		select {
+		case fired <- struct{}{}:
+		default:
+		}
+	}
+
+	// Every second (6 fields because cron is created with WithSeconds).
+	scheduler, err := NewCronScheduler("* * * * * *", job)
+	if err != nil {
+		t.Fatalf("NewCronScheduler failed: %v", err)
+	}
+
+	scheduler.Start()
+
+	select {
+	case <-fired:
+		// Job fired as expected.
+	case <-time.After(3 * time.Second):
+		t.Fatal("job did not fire within expected time")
+	}
+
+	stoppedCtx := scheduler.Stop()
+	select {
+	case <-stoppedCtx.Done():
+		// Scheduler stopped cleanly.
+	case <-time.After(2 * time.Second):
+		t.Fatal("scheduler did not stop within expected time")
+	}
+}
+
+func TestStopReturnsContext(t *testing.T) {
+	scheduler, err := NewCronScheduler("* * * * * *", func() {})
+	if err != nil {
+		t.Fatalf("NewCronScheduler failed: %v", err)
+	}
+
+	scheduler.Start()
+
+	stoppedCtx := scheduler.Stop()
+	if stoppedCtx == nil {
+		t.Fatal("Stop returned nil context")
+	}
+
+	select {
+	case <-stoppedCtx.Done():
+		// Expected.
+	case <-time.After(2 * time.Second):
+		t.Fatal("stopped context was not cancelled")
+	}
+}