Move binance_mig test file to utils

tests/utils/test_binance_mig.py

@@ -0,0 +1,68 @@
+
+
+import shutil
+
+import pytest
+
+from freqtrade.persistence import Trade
+from freqtrade.util.migrations import (migrate_binance_futures_data, migrate_binance_futures_names,
+                                       migrate_data)
+from tests.conftest import create_mock_trades_usdt, log_has
+
+
+def test_binance_mig_data_conversion(default_conf_usdt, tmp_path, testdatadir):
+
+    # call doing nothing (spot mode)
+    migrate_binance_futures_data(default_conf_usdt)
+    default_conf_usdt['trading_mode'] = 'futures'
+    pair_old = 'XRP_USDT'
+    pair_unified = 'XRP_USDT_USDT'
+    futures_src = testdatadir / 'futures'
+    futures_dst = tmp_path / 'futures'
+    futures_dst.mkdir()
+    files = [
+        '-1h-mark.feather',
+        '-1h-futures.feather',
+        '-8h-funding_rate.feather',
+        '-8h-mark.feather',
+    ]
+
+    # Copy files to tmpdir and rename to old naming
+    for file in files:
+        fn_after = futures_dst / f'{pair_old}{file}'
+        shutil.copy(futures_src / f'{pair_unified}{file}', fn_after)
+
+    default_conf_usdt['datadir'] = tmp_path
+    # Migrate files to unified namings
+    migrate_binance_futures_data(default_conf_usdt)
+
+    for file in files:
+        fn_after = futures_dst / f'{pair_unified}{file}'
+        assert fn_after.exists()
+
+
+@pytest.mark.usefixtures("init_persistence")
+def test_binance_mig_db_conversion(default_conf_usdt, fee, caplog):
+    # Does nothing in spot mode
+    migrate_binance_futures_names(default_conf_usdt)
+
+    create_mock_trades_usdt(fee, None)
+
+    for t in Trade.get_trades():
+        t.trading_mode = 'FUTURES'
+        t.exchange = 'binance'
+    Trade.commit()
+
+    default_conf_usdt['trading_mode'] = 'futures'
+    migrate_binance_futures_names(default_conf_usdt)
+    assert log_has('Migrating binance futures pairs in database.', caplog)
+
+
+def test_migration_wrapper(default_conf_usdt, mocker):
+    default_conf_usdt['trading_mode'] = 'futures'
+    binmock = mocker.patch('freqtrade.util.migrations.migrate_binance_futures_data')
+    funding_mock = mocker.patch('freqtrade.util.migrations.migrate_funding_fee_timeframe')
+    migrate_data(default_conf_usdt)
+
+    assert binmock.call_count == 1
+    assert funding_mock.call_count == 1