refactor: replace Binance/ccxt with Alpaca API client for US stocks

1 files changed, 0 insertions, 55 deletions

diff --git a/shared/tests/test_exchange.py b/shared/tests/test_exchange.py
deleted file mode 100644
index 95dc7d7..0000000
--- a/shared/tests/test_exchange.py
+++ /dev/null
@@ -1,55 +0,0 @@
-"""Tests for the exchange factory."""
-
-from unittest.mock import patch
-
-import ccxt.async_support as ccxt
-import pytest
-
-from shared.exchange import create_exchange
-
-
-def test_create_exchange_binance():
-    """Verify create_exchange returns a ccxt.binance instance."""
-    exchange = create_exchange(
-        exchange_id="binance",
-        api_key="test-key",
-        api_secret="test-secret",
-    )
-    assert isinstance(exchange, ccxt.binance)
-    assert exchange.apiKey == "test-key"
-    assert exchange.secret == "test-secret"
-    assert exchange.enableRateLimit is True
-
-
-def test_create_exchange_unknown():
-    """Verify create_exchange raises ValueError for unknown exchange."""
-    with pytest.raises(ValueError, match="Unknown exchange 'not_a_real_exchange'"):
-        create_exchange(
-            exchange_id="not_a_real_exchange",
-            api_key="key",
-            api_secret="secret",
-        )
-
-
-def test_create_exchange_with_sandbox():
-    """Verify sandbox mode is activated when sandbox=True."""
-    with patch.object(ccxt.binance, "set_sandbox_mode") as mock_sandbox:
-        exchange = create_exchange(
-            exchange_id="binance",
-            api_key="key",
-            api_secret="secret",
-            sandbox=True,
-        )
-        mock_sandbox.assert_called_once_with(True)
-    assert isinstance(exchange, ccxt.binance)
-
-
-def test_create_exchange_no_sandbox_by_default():
-    """Verify sandbox mode is not set when sandbox=False (default)."""
-    with patch.object(ccxt.binance, "set_sandbox_mode") as mock_sandbox:
-        create_exchange(
-            exchange_id="binance",
-            api_key="key",
-            api_secret="secret",
-        )
-        mock_sandbox.assert_not_called()