init push

internal/service/email_job_handler_test.go

@@ -0,0 +1,93 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"wucher/internal/queue"
+)
+
+type emailSenderStub struct {
+	sendFn func(ctx context.Context, job EmailJob) (EmailDeliveryResult, error)
+}
+
+func (s emailSenderStub) Send(ctx context.Context, job EmailJob) (EmailDeliveryResult, error) {
+	if s.sendFn != nil {
+		return s.sendFn(ctx, job)
+	}
+	return EmailDeliveryResult{}, nil
+}
+
+func TestEmailDeliveryHandler_Handle_SkipSend(t *testing.T) {
+	called := false
+	handler := NewEmailDeliveryHandler(emailSenderStub{
+		sendFn: func(context.Context, EmailJob) (EmailDeliveryResult, error) {
+			called = true
+			return EmailDeliveryResult{}, nil
+		},
+	}, nil)
+
+	err := handler.Handle(context.Background(), &queue.Envelope{
+		MessageID: "msg-1",
+		Payload: EmailJob{
+			To:       "user@example.com",
+			Subject:  "Verify",
+			TextBody: "Body",
+			Metadata: map[string]string{
+				"skip_send": "true",
+			},
+		},
+	})
+	if err != nil {
+		t.Fatalf("expected nil error, got %v", err)
+	}
+	if called {
+		t.Fatalf("expected sender not called when skip_send=true")
+	}
+}
+
+func TestEmailDeliveryHandler_Handle_SendWhenNotSkipped(t *testing.T) {
+	called := false
+	handler := NewEmailDeliveryHandler(emailSenderStub{
+		sendFn: func(context.Context, EmailJob) (EmailDeliveryResult, error) {
+			called = true
+			return EmailDeliveryResult{}, nil
+		},
+	}, nil)
+
+	err := handler.Handle(context.Background(), &queue.Envelope{
+		MessageID: "msg-2",
+		Payload: EmailJob{
+			To:       "user@example.com",
+			Subject:  "Verify",
+			TextBody: "Body",
+		},
+	})
+	if err != nil {
+		t.Fatalf("expected nil error, got %v", err)
+	}
+	if !called {
+		t.Fatalf("expected sender called when skip_send is absent")
+	}
+}
+
+func TestEmailDeliveryHandler_Handle_ClassifyErrorWhenNotSkipped(t *testing.T) {
+	handler := NewEmailDeliveryHandler(emailSenderStub{
+		sendFn: func(context.Context, EmailJob) (EmailDeliveryResult, error) {
+			return EmailDeliveryResult{}, errors.New("network timeout")
+		},
+	}, nil)
+
+	err := handler.Handle(context.Background(), &queue.Envelope{
+		MessageID: "msg-3",
+		Payload: EmailJob{
+			To:       "user@example.com",
+			Subject:  "Verify",
+			TextBody: "Body",
+		},
+	})
+	if err == nil {
+		t.Fatalf("expected classified error")
+	}
+}