Increase code coverage

Change log:
* Increase code coverage for test_exchange.py
* Move Exchange Unit tests files tests/exchange/
* Move RPC Unit tests files tests/rpc/

freqtrade/tests/exchange/test_exchange.py

@@ -0,0 +1,188 @@
+# pragma pylint: disable=missing-docstring,C0103
+from unittest.mock import MagicMock
+from requests.exceptions import RequestException
+from random import randint
+import logging
+import pytest
+
+from freqtrade import OperationalException
+from freqtrade.exchange import init, validate_pairs, buy, sell, get_balance, get_balances, \
+    get_ticker, cancel_order, get_name, get_fee
+
+
+def test_init(default_conf, mocker, caplog):
+    mocker.patch('freqtrade.exchange.validate_pairs', side_effect=lambda s: True)
+    init(config=default_conf)
+    assert ('freqtrade.exchange',
+            logging.INFO,
+            'Instance is running with dry_run enabled'
+            ) in caplog.record_tuples
+
+
+def test_init_exception(default_conf, mocker):
+    default_conf['exchange']['name'] = 'wrong_exchange_name'
+
+    with pytest.raises(
+            OperationalException,
+            match='Exchange {} is not supported'.format(default_conf['exchange']['name'])):
+                init(config=default_conf)
+
+
+def test_validate_pairs(default_conf, mocker):
+    api_mock = MagicMock()
+    api_mock.get_markets = MagicMock(return_value=[
+        'BTC_ETH', 'BTC_TKN', 'BTC_TRST', 'BTC_SWT', 'BTC_BCC',
+    ])
+    mocker.patch('freqtrade.exchange._API', api_mock)
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+    validate_pairs(default_conf['exchange']['pair_whitelist'])
+
+
+def test_validate_pairs_not_available(default_conf, mocker):
+    api_mock = MagicMock()
+    api_mock.get_markets = MagicMock(return_value=[])
+    mocker.patch('freqtrade.exchange._API', api_mock)
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+    with pytest.raises(OperationalException, match=r'not available'):
+        validate_pairs(default_conf['exchange']['pair_whitelist'])
+
+
+def test_validate_pairs_not_compatible(default_conf, mocker):
+    api_mock = MagicMock()
+    api_mock.get_markets = MagicMock(return_value=['BTC_ETH', 'BTC_TKN', 'BTC_TRST', 'BTC_SWT'])
+    default_conf['stake_currency'] = 'ETH'
+    mocker.patch('freqtrade.exchange._API', api_mock)
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+    with pytest.raises(OperationalException, match=r'not compatible'):
+        validate_pairs(default_conf['exchange']['pair_whitelist'])
+
+
+def test_validate_pairs_exception(default_conf, mocker, caplog):
+    api_mock = MagicMock()
+    api_mock.get_markets = MagicMock(side_effect=RequestException())
+    mocker.patch('freqtrade.exchange._API', api_mock)
+
+    # with pytest.raises(RequestException, match=r'Unable to validate pairs'):
+    validate_pairs(default_conf['exchange']['pair_whitelist'])
+    assert ('freqtrade.exchange',
+            logging.WARNING,
+            'Unable to validate pairs (assuming they are correct). Reason: '
+            ) in caplog.record_tuples
+
+
+def test_buy_dry_run(default_conf, mocker):
+    default_conf['dry_run'] = True
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+
+    assert 'dry_run_buy_' in buy(pair='BTC_ETH', rate=200, amount=1)
+
+
+def test_buy_prod(default_conf, mocker):
+    api_mock = MagicMock()
+    api_mock.buy = MagicMock(return_value='dry_run_buy_{}'.format(randint(0, 10**6)))
+    mocker.patch('freqtrade.exchange._API', api_mock)
+
+    default_conf['dry_run'] = False
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+
+    assert 'dry_run_buy_' in buy(pair='BTC_ETH', rate=200, amount=1)
+
+
+def test_sell_dry_run(default_conf, mocker):
+    default_conf['dry_run'] = True
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+
+    assert 'dry_run_sell_' in sell(pair='BTC_ETH', rate=200, amount=1)
+
+
+def test_sell_prod(default_conf, mocker):
+    api_mock = MagicMock()
+    api_mock.sell = MagicMock(return_value='dry_run_sell_{}'.format(randint(0, 10**6)))
+    mocker.patch('freqtrade.exchange._API', api_mock)
+
+    default_conf['dry_run'] = False
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+
+    assert 'dry_run_sell_' in sell(pair='BTC_ETH', rate=200, amount=1)
+
+
+def test_get_balance_dry_run(default_conf, mocker):
+    default_conf['dry_run'] = True
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+
+    assert get_balance(currency='BTC') == 999.9
+
+
+def test_get_balance_prod(default_conf, mocker):
+    api_mock = MagicMock()
+    api_mock.get_balance = MagicMock(return_value=123.4)
+    mocker.patch('freqtrade.exchange._API', api_mock)
+
+    default_conf['dry_run'] = False
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+
+    assert get_balance(currency='BTC') == 123.4
+
+
+def test_get_balances_dry_run(default_conf, mocker):
+    default_conf['dry_run'] = True
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+
+    assert get_balances() == []
+
+
+def test_get_balances_prod(default_conf, mocker):
+    balance_item = {
+        'Currency': '1ST',
+        'Balance': 10.0,
+        'Available': 10.0,
+        'Pending': 0.0,
+        'CryptoAddress': None
+    }
+
+    api_mock = MagicMock()
+    api_mock.get_balances = MagicMock(return_value=[balance_item, balance_item, balance_item])
+    mocker.patch('freqtrade.exchange._API', api_mock)
+
+    default_conf['dry_run'] = False
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+
+    assert len(get_balances()) == 3
+    assert get_balances()[0]['Currency'] == '1ST'
+    assert get_balances()[0]['Balance'] == 10.0
+    assert get_balances()[0]['Available'] == 10.0
+    assert get_balances()[0]['Pending'] == 0.0
+
+
+def test_get_ticker(mocker, ticker):
+
+    api_mock = MagicMock()
+    api_mock.get_ticker = MagicMock(return_value=ticker())
+    mocker.patch('freqtrade.exchange._API', api_mock)
+
+    ticker = get_ticker(pair='BTC_ETH')
+    assert ticker['bid'] == 0.00001098
+    assert ticker['ask'] == 0.00001099
+    assert ticker['bid'] == 0.00001098
+
+
+def test_cancel_order_dry_run(default_conf, mocker):
+    default_conf['dry_run'] = True
+    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
+
+    assert cancel_order(order_id='123') is None
+
+
+def test_get_name(default_conf, mocker):
+    mocker.patch('freqtrade.exchange.validate_pairs', side_effect=lambda s: True)
+    default_conf['exchange']['name'] = 'bittrex'
+    init(default_conf)
+
+    assert get_name() == 'Bittrex'
+
+
+def test_get_fee(default_conf, mocker):
+    mocker.patch('freqtrade.exchange.validate_pairs', side_effect=lambda s: True)
+    init(default_conf)
+
+    assert get_fee() == 0.0025

freqtrade/tests/test_exchange.py

@@ -1,36 +0,0 @@
-# pragma pylint: disable=missing-docstring,C0103
-from unittest.mock import MagicMock
-
-import pytest
-
-from freqtrade import OperationalException
-from freqtrade.exchange import validate_pairs
-
-
-def test_validate_pairs(default_conf, mocker):
-    api_mock = MagicMock()
-    api_mock.get_markets = MagicMock(return_value=[
-        'BTC_ETH', 'BTC_TKN', 'BTC_TRST', 'BTC_SWT', 'BTC_BCC',
-    ])
-    mocker.patch('freqtrade.exchange._API', api_mock)
-    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
-    validate_pairs(default_conf['exchange']['pair_whitelist'])
-
-
-def test_validate_pairs_not_available(default_conf, mocker):
-    api_mock = MagicMock()
-    api_mock.get_markets = MagicMock(return_value=[])
-    mocker.patch('freqtrade.exchange._API', api_mock)
-    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
-    with pytest.raises(OperationalException, match=r'not available'):
-        validate_pairs(default_conf['exchange']['pair_whitelist'])
-
-
-def test_validate_pairs_not_compatible(default_conf, mocker):
-    api_mock = MagicMock()
-    api_mock.get_markets = MagicMock(return_value=['BTC_ETH', 'BTC_TKN', 'BTC_TRST', 'BTC_SWT'])
-    default_conf['stake_currency'] = 'ETH'
-    mocker.patch('freqtrade.exchange._API', api_mock)
-    mocker.patch.dict('freqtrade.exchange._CONF', default_conf)
-    with pytest.raises(OperationalException, match=r'not compatible'):
-        validate_pairs(default_conf['exchange']['pair_whitelist'])