tests: increase coverage - krakenfutures edge paths and ft_has overrides

tests/exchange/test_exchange_utils.py

@@ -3,6 +3,7 @@ from datetime import UTC, datetime, timedelta
 from math import isnan, nan
 from unittest.mock import MagicMock
 
+import ccxt
 import pytest
 from ccxt import (
     DECIMAL_PLACES,
@@ -28,8 +29,14 @@ from freqtrade.exchange import (
     timeframe_to_resample_freq,
     timeframe_to_seconds,
 )
-from freqtrade.exchange.check_exchange import check_exchange
-from freqtrade.exchange.exchange_utils import _exchange_has_helper
+from freqtrade.exchange import exchange_utils as exchange_utils_mod
+from freqtrade.exchange.check_exchange import _get_ft_has_overrides, check_exchange
+from freqtrade.exchange.exchange_utils import (
+    _build_exchange_list_entry,
+    _exchange_has_helper,
+    validate_exchange,
+)
+from freqtrade.resolvers.exchange_resolver import ExchangeResolver
 from tests.conftest import log_has_re
 
 
@@ -426,3 +433,66 @@ def test_exchange__exchange_has_helper():
     }
     missing = _exchange_has_helper(e_mod.has, required)
     assert set(missing) == {"fetchOHLCV", "fetchMyTrades", "fetchOrder"}
+
+
+def test_validate_exchange_uses_ft_has_overrides(monkeypatch):
+    class DummyExchange:
+        def __init__(self) -> None:
+            self.has = {
+                "fetchOrder": False,
+                "fetchL2OrderBook": False,
+                "fetchTicker": True,
+                "cancelOrder": True,
+                "createOrder": True,
+                "fetchBalance": True,
+                "fetchOHLCV": False,
+            }
+
+    monkeypatch.setattr(ccxt.pro, "dummy", DummyExchange, raising=False)
+
+    valid, _, _, _ = validate_exchange("dummy")
+    assert not valid
+
+    valid, _, _, _ = validate_exchange("dummy", {"fetchOrder": True, "fetchOHLCV": True})
+    assert valid
+
+
+def test_build_exchange_list_entry_uses_ft_has_overrides(monkeypatch):
+    class DummyClass:
+        _supported_trading_mode_margin_pairs = []
+
+        @staticmethod
+        def get_ft_has():
+            return {"fetchOrder": True}
+
+    captured = {}
+
+    class DummyExchange:
+        name = "Dummy"
+        alias = False
+        dex = False
+
+    def fake_validate_exchange(exchange, ft_has_overrides=None):
+        captured["ft_has_overrides"] = ft_has_overrides
+        return True, "", "", DummyExchange()
+
+    monkeypatch.setattr(exchange_utils_mod, "validate_exchange", fake_validate_exchange)
+
+    res = _build_exchange_list_entry("dummy", {"dummy": {"class": DummyClass}})
+    assert captured["ft_has_overrides"] == {"fetchOrder": True}
+    assert res["classname"] == "dummy"
+
+
+def test_get_ft_has_overrides_returns_override(monkeypatch):
+    class DummyClass:
+        @staticmethod
+        def get_ft_has():
+            return {"fetchOrder": True}
+
+    monkeypatch.setattr(
+        ExchangeResolver,
+        "search_all_objects",
+        lambda *args, **kwargs: [{"name": "dummy", "class": DummyClass}],
+    )
+
+    assert _get_ft_has_overrides("dummy") == {"fetchOrder": True}