Fixture Strategy

Goals

• Minimize duplication
• Provide flexible test setup for live/back brokers

Structure

• make_broker(mode="live"|"back")
• make_data(symbol="BTC/USDT", type="spot")
• make_order(...)
• Parametrize brokers and feeds in shared test logic

Lifecycle

Fixture	Scope	Purpose
mock_store	function	Simulates exchange store methods
setup_broker	function	Live or back broker factory
simulate_order_fill	function	Simulate exchange fill