"""Tests for LocalHTTPServer — TDD: tests before implementation."""

import pytest

from i2p_apps.i2ptunnel.local_http_server import LocalHTTPHandler


class TestLocalHTTPHandler:
    def test_creation(self):
        h = LocalHTTPHandler()
        assert h is not None

    def test_health_page(self):
        h = LocalHTTPHandler()
        status, body = h.handle_get("/")
        assert status == 200
        assert "i2p" in body.lower() or "proxy" in body.lower()

    def test_add_form_get(self):
        h = LocalHTTPHandler()
        status, body = h.handle_get("/add?host=example.i2p&dest=AAAA")
        assert status == 200
        assert "example.i2p" in body
        assert "form" in body.lower()

    def test_unknown_path(self):
        h = LocalHTTPHandler()
        status, body = h.handle_get("/nonexistent")
        assert status == 404

    def test_nonce_generation(self):
        h = LocalHTTPHandler()
        n1 = h._generate_nonce()
        n2 = h._generate_nonce()
        assert n1 != n2
        assert len(n1) >= 16