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d4e363814327f261d4e0afd08089b77e907d5eb4
s5p/tests/test_config.py
user 7dc3926f48 feat: multi-listener with configurable proxy chaining 
Each listener binds to its own port with an independent chain.
The "pool" keyword in a chain appends a random alive proxy from
the shared pool; multiple pool entries = multiple hops.

  :1080 -> Tor only (0 pool hops)
  :1081 -> Tor + 1 pool proxy
  :1082 -> Tor + 2 pool proxies

Shared resources (ProxyPool, Tor, metrics, semaphore, API) are
reused across listeners. FirstHopPool is shared per unique first
hop. Backward compatible: old listen/chain format still works.
2026-02-17 22:03:37 +01:00

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"""Tests for configuration loading and proxy URL parsing."""
import pytest
from s5p.config import (
ChainHop,
Config,
ListenerConfig,
load_config,
parse_api_proxies,
parse_proxy_url,
)
class TestParseProxyUrl:
"""Test proxy URL parsing."""
def test_socks5_basic(self):
hop = parse_proxy_url("socks5://127.0.0.1:9050")
assert hop.proto == "socks5"
assert hop.host == "127.0.0.1"
assert hop.port == 9050
assert hop.username is None
assert hop.password is None
def test_socks5_with_auth(self):
hop = parse_proxy_url("socks5://user:pass@proxy.example.com:1080")
assert hop.proto == "socks5"
assert hop.host == "proxy.example.com"
assert hop.port == 1080
assert hop.username == "user"
assert hop.password == "pass"
def test_socks4(self):
hop = parse_proxy_url("socks4://10.0.0.1:1080")
assert hop.proto == "socks4"
assert hop.host == "10.0.0.1"
assert hop.port == 1080
def test_http_connect(self):
hop = parse_proxy_url("http://proxy:8080")
assert hop.proto == "http"
assert hop.host == "proxy"
assert hop.port == 8080
def test_default_port_socks5(self):
hop = parse_proxy_url("socks5://host")
assert hop.port == 1080
def test_default_port_http(self):
hop = parse_proxy_url("http://host")
assert hop.port == 8080
def test_unsupported_protocol(self):
with pytest.raises(ValueError, match="unsupported protocol"):
parse_proxy_url("ftp://host:21")
def test_missing_host(self):
with pytest.raises(ValueError, match="missing host"):
parse_proxy_url("socks5://")
class TestChainHop:
"""Test ChainHop string representation."""
def test_str_without_auth(self):
hop = ChainHop(proto="socks5", host="localhost", port=9050)
assert str(hop) == "socks5://localhost:9050"
def test_str_with_auth(self):
hop = ChainHop(proto="http", host="proxy", port=8080, username="u", password="p")
assert str(hop) == "http://u@proxy:8080"
class TestParseApiProxies:
"""Test API response proxy parsing."""
def test_valid_entries(self):
data = {
"proxies": [
{"proto": "socks5", "proxy": "1.2.3.4:1080"},
{"proto": "http", "proxy": "5.6.7.8:8080"},
],
}
result = parse_api_proxies(data)
assert len(result) == 2
assert result[0] == ChainHop(proto="socks5", host="1.2.3.4", port=1080)
assert result[1] == ChainHop(proto="http", host="5.6.7.8", port=8080)
def test_skips_invalid_proto(self):
data = {"proxies": [{"proto": "ftp", "proxy": "1.2.3.4:21"}]}
assert parse_api_proxies(data) == []
def test_skips_missing_proto(self):
data = {"proxies": [{"proxy": "1.2.3.4:1080"}]}
assert parse_api_proxies(data) == []
def test_skips_missing_colon(self):
data = {"proxies": [{"proto": "socks5", "proxy": "no-port"}]}
assert parse_api_proxies(data) == []
def test_skips_bad_port(self):
data = {"proxies": [{"proto": "socks5", "proxy": "1.2.3.4:abc"}]}
assert parse_api_proxies(data) == []
def test_empty_proxies(self):
assert parse_api_proxies({"proxies": []}) == []
def test_missing_proxies_key(self):
assert parse_api_proxies({}) == []
def test_mixed_valid_invalid(self):
data = {
"proxies": [
{"proto": "socks5", "proxy": "1.2.3.4:1080"},
{"proto": "ftp", "proxy": "bad:21"},
{"proto": "socks4", "proxy": "5.6.7.8:1080"},
],
}
result = parse_api_proxies(data)
assert len(result) == 2
assert result[0].proto == "socks5"
assert result[1].proto == "socks4"
class TestConfig:
"""Test Config defaults."""
def test_defaults(self):
c = Config()
assert c.listen_host == "127.0.0.1"
assert c.listen_port == 1080
assert c.chain == []
assert c.timeout == 10.0
assert c.max_connections == 256
assert c.pool_size == 0
assert c.pool_max_idle == 30.0
def test_max_connections_from_yaml(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text("max_connections: 512\n")
c = load_config(cfg_file)
assert c.max_connections == 512
def test_pool_size_from_yaml(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text("pool_size: 16\npool_max_idle: 45.0\n")
c = load_config(cfg_file)
assert c.pool_size == 16
assert c.pool_max_idle == 45.0
def test_tor_config_from_yaml(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"tor:\n"
" control_host: 10.0.0.1\n"
" control_port: 9151\n"
" password: secret\n"
" cookie_file: /var/run/tor/cookie\n"
" newnym_interval: 60\n"
)
c = load_config(cfg_file)
assert c.tor is not None
assert c.tor.control_host == "10.0.0.1"
assert c.tor.control_port == 9151
assert c.tor.password == "secret"
assert c.tor.cookie_file == "/var/run/tor/cookie"
assert c.tor.newnym_interval == 60.0
def test_tor_config_defaults(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text("tor:\n password: test\n")
c = load_config(cfg_file)
assert c.tor is not None
assert c.tor.control_host == "127.0.0.1"
assert c.tor.control_port == 9051
assert c.tor.cookie_file == ""
assert c.tor.newnym_interval == 0.0
def test_no_tor_config(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text("listen: 1080\n")
c = load_config(cfg_file)
assert c.tor is None
def test_proxy_pool_test_targets(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"proxy_pool:\n"
" sources: []\n"
" test_targets:\n"
" - host-a.example.com\n"
" - host-b.example.com\n"
)
c = load_config(cfg_file)
assert c.proxy_pool is not None
assert c.proxy_pool.test_targets == ["host-a.example.com", "host-b.example.com"]
assert c.proxy_pool.test_url == ""
def test_proxy_pool_legacy_test_url(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"proxy_pool:\n"
" sources: []\n"
" test_url: http://httpbin.org/ip\n"
)
c = load_config(cfg_file)
assert c.proxy_pool is not None
assert c.proxy_pool.test_targets == ["httpbin.org"]
def test_proxy_pool_defaults(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"proxy_pool:\n"
" sources: []\n"
)
c = load_config(cfg_file)
assert c.proxy_pool is not None
assert c.proxy_pool.test_targets == [
"www.google.com", "www.cloudflare.com", "www.amazon.com",
]
class TestListenerConfig:
"""Test multi-listener config parsing."""
def test_defaults(self):
lc = ListenerConfig()
assert lc.listen_host == "127.0.0.1"
assert lc.listen_port == 1080
assert lc.chain == []
assert lc.pool_hops == 0
def test_listeners_from_yaml(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"listeners:\n"
" - listen: 0.0.0.0:1080\n"
" chain:\n"
" - socks5://127.0.0.1:9050\n"
" - listen: 0.0.0.0:1081\n"
" chain:\n"
" - socks5://127.0.0.1:9050\n"
" - pool\n"
" - listen: 0.0.0.0:1082\n"
" chain:\n"
" - socks5://127.0.0.1:9050\n"
" - pool\n"
" - pool\n"
)
c = load_config(cfg_file)
assert len(c.listeners) == 3
# listener 0: no pool hops
assert c.listeners[0].listen_host == "0.0.0.0"
assert c.listeners[0].listen_port == 1080
assert len(c.listeners[0].chain) == 1
assert c.listeners[0].pool_hops == 0
# listener 1: 1 pool hop
assert c.listeners[1].listen_port == 1081
assert len(c.listeners[1].chain) == 1
assert c.listeners[1].pool_hops == 1
# listener 2: 2 pool hops
assert c.listeners[2].listen_port == 1082
assert len(c.listeners[2].chain) == 1
assert c.listeners[2].pool_hops == 2
def test_pool_keyword_stripped_from_chain(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"listeners:\n"
" - listen: 1080\n"
" chain:\n"
" - socks5://tor:9050\n"
" - pool\n"
" - pool\n"
)
c = load_config(cfg_file)
lc = c.listeners[0]
# only the real hop remains in chain
assert len(lc.chain) == 1
assert lc.chain[0].host == "tor"
assert lc.pool_hops == 2
def test_pool_keyword_case_insensitive(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"listeners:\n"
" - listen: 1080\n"
" chain:\n"
" - Pool\n"
)
c = load_config(cfg_file)
assert c.listeners[0].pool_hops == 1
assert c.listeners[0].chain == []
class TestListenerBackwardCompat:
"""Test backward-compatible single listener from old format."""
def test_old_format_creates_single_listener(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"listen: 0.0.0.0:9999\n"
"chain:\n"
" - socks5://127.0.0.1:9050\n"
)
c = load_config(cfg_file)
assert len(c.listeners) == 1
lc = c.listeners[0]
assert lc.listen_host == "0.0.0.0"
assert lc.listen_port == 9999
assert len(lc.chain) == 1
assert lc.pool_hops == 0
def test_empty_config_creates_single_listener(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text("")
c = load_config(cfg_file)
assert len(c.listeners) == 1
lc = c.listeners[0]
assert lc.listen_host == "127.0.0.1"
assert lc.listen_port == 1080
class TestListenerPoolCompat:
"""Test that proxy_pool + old format auto-sets pool_hops=1."""
def test_pool_auto_appends(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"listen: 0.0.0.0:1080\n"
"chain:\n"
" - socks5://127.0.0.1:9050\n"
"proxy_pool:\n"
" sources:\n"
" - url: http://api:8081/proxies\n"
)
c = load_config(cfg_file)
assert len(c.listeners) == 1
lc = c.listeners[0]
assert lc.pool_hops == 1
def test_explicit_listeners_no_auto_append(self, tmp_path):
cfg_file = tmp_path / "test.yaml"
cfg_file.write_text(
"listeners:\n"
" - listen: 0.0.0.0:1080\n"
" chain:\n"
" - socks5://127.0.0.1:9050\n"
"proxy_pool:\n"
" sources:\n"
" - url: http://api:8081/proxies\n"
)
c = load_config(cfg_file)
assert len(c.listeners) == 1
lc = c.listeners[0]
# explicit listeners: no auto pool_hops
assert lc.pool_hops == 0
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