Seperate tests related to worker from test_freqtradebot

tests/test_worker.py

@@ -0,0 +1,81 @@
+import logging
+import time
+from unittest.mock import MagicMock, PropertyMock
+
+from freqtrade.data.dataprovider import DataProvider
+from freqtrade.state import State
+from freqtrade.worker import Worker
+from tests.conftest import get_patched_worker, log_has
+
+
+def test_worker_state(mocker, default_conf, markets) -> None:
+    mocker.patch('freqtrade.exchange.Exchange.markets', PropertyMock(return_value=markets))
+    worker = get_patched_worker(mocker, default_conf)
+    assert worker.state is State.RUNNING
+
+    default_conf.pop('initial_state')
+    worker = Worker(args=None, config=default_conf)
+    assert worker.state is State.STOPPED
+
+
+def test_worker_running(mocker, default_conf, caplog) -> None:
+    mock_throttle = MagicMock()
+    mocker.patch('freqtrade.worker.Worker._throttle', mock_throttle)
+    mocker.patch('freqtrade.persistence.Trade.stoploss_reinitialization', MagicMock())
+
+    worker = get_patched_worker(mocker, default_conf)
+
+    state = worker._worker(old_state=None)
+    assert state is State.RUNNING
+    assert log_has('Changing state to: RUNNING', caplog)
+    assert mock_throttle.call_count == 1
+    # Check strategy is loaded, and received a dataprovider object
+    assert worker.freqtrade.strategy
+    assert worker.freqtrade.strategy.dp
+    assert isinstance(worker.freqtrade.strategy.dp, DataProvider)
+
+
+def test_worker_stopped(mocker, default_conf, caplog) -> None:
+    mock_throttle = MagicMock()
+    mocker.patch('freqtrade.worker.Worker._throttle', mock_throttle)
+    mock_sleep = mocker.patch('time.sleep', return_value=None)
+
+    worker = get_patched_worker(mocker, default_conf)
+    worker.state = State.STOPPED
+    state = worker._worker(old_state=State.RUNNING)
+    assert state is State.STOPPED
+    assert log_has('Changing state to: STOPPED', caplog)
+    assert mock_throttle.call_count == 0
+    assert mock_sleep.call_count == 1
+
+
+def test_throttle(mocker, default_conf, caplog) -> None:
+    def throttled_func():
+        return 42
+
+    caplog.set_level(logging.DEBUG)
+    worker = get_patched_worker(mocker, default_conf)
+
+    start = time.time()
+    result = worker._throttle(throttled_func, min_secs=0.1)
+    end = time.time()
+
+    assert result == 42
+    assert end - start > 0.1
+    assert log_has('Throttling throttled_func for 0.10 seconds', caplog)
+
+    result = worker._throttle(throttled_func, min_secs=-1)
+    assert result == 42
+
+
+def test_throttle_with_assets(mocker, default_conf) -> None:
+    def throttled_func(nb_assets=-1):
+        return nb_assets
+
+    worker = get_patched_worker(mocker, default_conf)
+
+    result = worker._throttle(throttled_func, min_secs=0.1, nb_assets=666)
+    assert result == 666
+
+    result = worker._throttle(throttled_func, min_secs=0.1)
+    assert result == -1