first commit of restructured project

trahn-trade-backend/internal/notifications/webhook_test.go

@@ -0,0 +1,83 @@
+package notifications
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestSend_NoWebhook(t *testing.T) {
+	s := NewSender("", "TestBot")
+	if s.Enabled() {
+		t.Fatal("should not be enabled with empty URL")
+	}
+	// Should log to console without error
+	s.Send("hello from test")
+	t.Log("Send with no webhook: OK (console only)")
+}
+
+func TestSend_SlackFormat(t *testing.T) {
+	var received map[string]string
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		body, _ := io.ReadAll(r.Body)
+		json.Unmarshal(body, &received)
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer srv.Close()
+
+	s := NewSender(srv.URL, "TestBot")
+	if !s.Enabled() {
+		t.Fatal("should be enabled")
+	}
+
+	s.Send("grid recalculated")
+
+	if received["username"] != "TestBot" {
+		t.Fatalf("username: got %s", received["username"])
+	}
+	if received["text"] == "" {
+		t.Fatal("text should not be empty")
+	}
+	t.Logf("Slack payload: %+v", received)
+}
+
+func TestSend_DiscordFormat(t *testing.T) {
+	var received map[string]string
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		body, _ := io.ReadAll(r.Body)
+		json.Unmarshal(body, &received)
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer srv.Close()
+
+	// URL containing "discord" triggers Discord format
+	s := NewSender(srv.URL+"/discord/webhook", "TrahnBot")
+	s.Send("trade executed: buy 0.04 ETH @ $2600")
+
+	if received["content"] == "" {
+		t.Fatal("content should not be empty for Discord")
+	}
+	if received["username"] != "TrahnBot" {
+		t.Fatalf("username: got %s", received["username"])
+	}
+	if _, hasText := received["text"]; hasText {
+		t.Fatal("Discord payload should not have 'text' field")
+	}
+	t.Logf("Discord payload: %+v", received)
+}
+
+func TestSend_WebhookError(t *testing.T) {
+	s := NewSender("http://localhost:1/bogus", "TestBot")
+	// Should not panic, just log the error
+	s.Send("this will fail gracefully")
+	t.Log("Webhook error handled gracefully")
+}
+
+func TestDefaultBotName(t *testing.T) {
+	s := NewSender("", "")
+	if s.botName != "TrahnGridTrader" {
+		t.Fatalf("expected default bot name, got %s", s.botName)
+	}
+}