Merge pull request #3582 from freqtrade/data/list

List available backtesting data

tests/commands/test_commands.py

@@ -6,12 +6,12 @@ import pytest
 
 from freqtrade.commands import (start_convert_data, start_create_userdir,
                                 start_download_data, start_hyperopt_list,
-                                start_hyperopt_show, start_list_exchanges,
-                                start_list_hyperopts, start_list_markets,
-                                start_list_strategies, start_list_timeframes,
-                                start_new_hyperopt, start_new_strategy,
-                                start_show_trades, start_test_pairlist,
-                                start_trading)
+                                start_hyperopt_show, start_list_data,
+                                start_list_exchanges, start_list_hyperopts,
+                                start_list_markets, start_list_strategies,
+                                start_list_timeframes, start_new_hyperopt,
+                                start_new_strategy, start_show_trades,
+                                start_test_pairlist, start_trading)
 from freqtrade.configuration import setup_utils_configuration
 from freqtrade.exceptions import OperationalException
 from freqtrade.state import RunMode
@@ -1043,6 +1043,40 @@ def test_convert_data_trades(mocker, testdatadir):
     assert trades_mock.call_args[1]['erase'] is False
 
 
+def test_start_list_data(testdatadir, capsys):
+    args = [
+        "list-data",
+        "--data-format-ohlcv",
+        "json",
+        "--datadir",
+        str(testdatadir),
+    ]
+    pargs = get_args(args)
+    pargs['config'] = None
+    start_list_data(pargs)
+    captured = capsys.readouterr()
+    assert "Found 16 pair / timeframe combinations." in captured.out
+    assert "\n|         Pair |       Timeframe |\n" in captured.out
+    assert "\n| UNITTEST/BTC | 1m, 5m, 8m, 30m |\n" in captured.out
+
+    args = [
+        "list-data",
+        "--data-format-ohlcv",
+        "json",
+        "--pairs", "XRP/ETH",
+        "--datadir",
+        str(testdatadir),
+    ]
+    pargs = get_args(args)
+    pargs['config'] = None
+    start_list_data(pargs)
+    captured = capsys.readouterr()
+    assert "Found 2 pair / timeframe combinations." in captured.out
+    assert "\n|    Pair |   Timeframe |\n" in captured.out
+    assert "UNITTEST/BTC" not in captured.out
+    assert "\n| XRP/ETH |      1m, 5m |\n" in captured.out
+
+
 @pytest.mark.usefixtures("init_persistence")
 def test_show_trades(mocker, fee, capsys, caplog):
     mocker.patch("freqtrade.persistence.init")

tests/data/test_history.py

@@ -631,6 +631,20 @@ def test_jsondatahandler_ohlcv_get_pairs(testdatadir):
     assert set(pairs) == {'UNITTEST/BTC'}
 
 
+def test_jsondatahandler_ohlcv_get_available_data(testdatadir):
+    paircombs = JsonDataHandler.ohlcv_get_available_data(testdatadir)
+    # Convert to set to avoid failures due to sorting
+    assert set(paircombs) == {('UNITTEST/BTC', '5m'), ('ETH/BTC', '5m'), ('XLM/BTC', '5m'),
+                              ('TRX/BTC', '5m'), ('LTC/BTC', '5m'), ('XMR/BTC', '5m'),
+                              ('ZEC/BTC', '5m'), ('UNITTEST/BTC', '1m'), ('ADA/BTC', '5m'),
+                              ('ETC/BTC', '5m'), ('NXT/BTC', '5m'), ('DASH/BTC', '5m'),
+                              ('XRP/ETH', '1m'), ('XRP/ETH', '5m'), ('UNITTEST/BTC', '30m'),
+                              ('UNITTEST/BTC', '8m')}
+
+    paircombs = JsonGzDataHandler.ohlcv_get_available_data(testdatadir)
+    assert set(paircombs) == {('UNITTEST/BTC', '8m')}
+
+
 def test_jsondatahandler_trades_get_pairs(testdatadir):
     pairs = JsonGzDataHandler.trades_get_pairs(testdatadir)
     # Convert to set to avoid failures due to sorting