feat(V2): URL exchange configurabili da .env (DERIBIT_URL_*, BYBIT_URL_*, ecc.)

tests/unit/test_exchanges_builder.py

@@ -148,6 +148,96 @@ async def test_build_client_sentiment_no_env_distinction(monkeypatch):
     assert c_test.lunarcrush_key == c_live.lunarcrush_key
 
 
+@pytest.mark.asyncio
+async def test_deribit_url_from_env_overrides_default(monkeypatch):
+    """DERIBIT_URL_TESTNET custom nel .env → builder lo passa al client."""
+    from tests.unit.test_settings import _minimal_env
+
+    env = _minimal_env(DERIBIT_URL_TESTNET="https://custom-test.example.com/api/v2")
+    for k, v in env.items():
+        monkeypatch.setenv(k, v)
+
+    from cerbero_mcp.exchanges import build_client
+    from cerbero_mcp.settings import Settings
+
+    s = Settings()
+    c = await build_client(s, "deribit", "testnet")
+    assert c.base_url == "https://custom-test.example.com/api/v2"
+    assert "custom-test.example.com" in c.base_url
+
+
+@pytest.mark.asyncio
+async def test_deribit_url_live_from_env_overrides_default(monkeypatch):
+    from tests.unit.test_settings import _minimal_env
+
+    env = _minimal_env(DERIBIT_URL_LIVE="https://custom-live.example.com/api/v2")
+    for k, v in env.items():
+        monkeypatch.setenv(k, v)
+
+    from cerbero_mcp.exchanges import build_client
+    from cerbero_mcp.settings import Settings
+
+    s = Settings()
+    c = await build_client(s, "deribit", "mainnet")
+    assert c.base_url == "https://custom-live.example.com/api/v2"
+
+
+@pytest.mark.asyncio
+async def test_hyperliquid_url_from_env_overrides_default(monkeypatch):
+    from tests.unit.test_settings import _minimal_env
+
+    env = _minimal_env(HYPERLIQUID_URL_TESTNET="https://hl-custom.example.com")
+    for k, v in env.items():
+        monkeypatch.setenv(k, v)
+
+    from cerbero_mcp.exchanges import build_client
+    from cerbero_mcp.settings import Settings
+
+    s = Settings()
+    c = await build_client(s, "hyperliquid", "testnet")
+    assert c.base_url == "https://hl-custom.example.com"
+    # SDK override deve essere disponibile per init lazy
+    assert c._base_url_override == "https://hl-custom.example.com"
+
+
+@pytest.mark.asyncio
+async def test_bybit_url_from_env_overrides_default(monkeypatch):
+    """Bybit: pybit non accetta `endpoint` come kwarg, ma setting di
+    `_http.endpoint` post-init rispecchia l'override."""
+    from tests.unit.test_settings import _minimal_env
+
+    env = _minimal_env(BYBIT_URL_TESTNET="https://bybit-custom.example.com")
+    for k, v in env.items():
+        monkeypatch.setenv(k, v)
+
+    from cerbero_mcp.exchanges import build_client
+    from cerbero_mcp.settings import Settings
+
+    s = Settings()
+    c = await build_client(s, "bybit", "testnet")
+    assert c.base_url == "https://bybit-custom.example.com"
+    # override applicato all'istanza pybit HTTP via attributo `endpoint`
+    assert getattr(c._http, "endpoint", None) == "https://bybit-custom.example.com"
+
+
+@pytest.mark.asyncio
+async def test_alpaca_url_from_env_overrides_default(monkeypatch):
+    """Alpaca: TradingClient supporta url_override per trading API.
+    Data clients (Stock/Crypto/Option) non supportano override sul costruttore."""
+    from tests.unit.test_settings import _minimal_env
+
+    env = _minimal_env(ALPACA_URL_TESTNET="https://alpaca-custom.example.com")
+    for k, v in env.items():
+        monkeypatch.setenv(k, v)
+
+    from cerbero_mcp.exchanges import build_client
+    from cerbero_mcp.settings import Settings
+
+    s = Settings()
+    c = await build_client(s, "alpaca", "testnet")
+    assert c.base_url == "https://alpaca-custom.example.com"
+
+
 @pytest.mark.asyncio
 async def test_build_client_unknown_exchange_raises(monkeypatch):
     from tests.unit.test_settings import _minimal_env