extract backtesting abort functionality

tests/optimize/test_backtesting.py

@@ -346,6 +346,20 @@ def test_data_to_dataframe_bt(default_conf, mocker, testdatadir) -> None:
     assert processed['UNITTEST/BTC'].equals(processed2['UNITTEST/BTC'])
 
 
+def test_backtest_abort(default_conf, mocker, testdatadir) -> None:
+    patch_exchange(mocker)
+    backtesting = Backtesting(default_conf)
+    backtesting.check_abort()
+
+    backtesting.abort = True
+
+    with pytest.raises(DependencyException, match="Stop requested"):
+        backtesting.check_abort()
+    # abort flag resets
+    assert backtesting.abort is False
+    assert backtesting.progress.progress == 0
+
+
 def test_backtesting_start(default_conf, mocker, testdatadir, caplog) -> None:
     def get_timerange(input1):
         return Arrow(2017, 11, 14, 21, 17), Arrow(2017, 11, 14, 22, 59)

tests/rpc/test_rpc_apiserver.py

@@ -1252,10 +1252,6 @@ def test_api_backtesting(botclient, mocker, fee):
     assert not result['running']
     assert result['status_msg'] == 'Backtest reset'
 
-    # bt_mock = mocker.patch('freqtrade.optimize.backtesting.Backtesting.backtest_one_strategy',
-    #                        return_value=(1, 2))
-    # stats_mock = mocker.patch('freqtrade.optimize.optimize_reports.generate_backtest_stats')
-    # bt_mock.load_bt_data = MagicMock(return_value=(xxx, 'asdfadf'))
     # start backtesting
     data = {
         "strategy": "DefaultStrategy",
@@ -1285,6 +1281,13 @@ def test_api_backtesting(botclient, mocker, fee):
     assert result['progress'] == 1
     assert result['backtest_result']
 
+    rc = client_get(client, f"{BASE_URI}/backtest/abort")
+    assert_response(rc)
+    result = rc.json()
+    assert result['status'] == 'not_running'
+    assert not result['running']
+    assert result['status_msg'] == 'Backtest ended'
+
     # Delete backtesting to avoid leakage since the backtest-object may stick around.
     rc = client_delete(client, f"{BASE_URI}/backtest")
     assert_response(rc)