feat: настраиваемые каналы уведомлений (telegram/pachca/email) с маршрутизацией по пути

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

request_test.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+)
+
+func TestGetRemoteAddr(t *testing.T) {
+	tests := []struct {
+		name string
+		set  func(r *http.Request)
+		want string
+	}{
+		{"xff", func(r *http.Request) { r.Header.Set("X-Forwarded-For", "1.1.1.1, 2.2.2.2") }, "1.1.1.1"},
+		{"realip", func(r *http.Request) { r.Header.Set("X-Real-IP", "3.3.3.3") }, "3.3.3.3"},
+		{"remoteaddr", func(r *http.Request) { r.RemoteAddr = "4.4.4.4:5678" }, "4.4.4.4"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := httptest.NewRequest("GET", "/telegram", nil)
+			r.RemoteAddr = ""
+			tt.set(r)
+			if got := GetRemoteAddr(r); got != tt.want {
+				t.Fatalf("got %q want %q", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestExtractRequest(t *testing.T) {
+	r := httptest.NewRequest("POST", "http://example.com/telegram?x=1", strings.NewReader("hello"))
+	r.Header.Set("X-Real-IP", "9.9.9.9")
+	data := ExtractRequest(r)
+	if data.Method != "POST" {
+		t.Errorf("method = %q", data.Method)
+	}
+	if data.RemoteAddr != "9.9.9.9" {
+		t.Errorf("remoteaddr = %q", data.RemoteAddr)
+	}
+	if data.Body != "hello" {
+		t.Errorf("body = %q", data.Body)
+	}
+	if data.URL != "/telegram?x=1" {
+		t.Errorf("url = %q", data.URL)
+	}
+}
+
+func TestExtractRequestBodyLimit(t *testing.T) {
+	big := strings.Repeat("a", 2000)
+	r := httptest.NewRequest("POST", "/telegram", strings.NewReader(big))
+	r.ContentLength = int64(len(big))
+	data := ExtractRequest(r)
+	if data.Body != "too long" {
+		t.Errorf("expected 'too long', got len %d", len(data.Body))
+	}
+}