add

ccxt/test/exchange/base/test_liquidation.py

@@ -0,0 +1,50 @@
+import os
+import sys
+
+root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))))
+sys.path.append(root)
+
+# ----------------------------------------------------------------------------
+
+# PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
+# https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code
+
+# ----------------------------------------------------------------------------
+# -*- coding: utf-8 -*-
+
+from ccxt.base.precise import Precise  # noqa E402
+from ccxt.test.exchange.base import test_shared_methods  # noqa E402
+
+def test_liquidation(exchange, skipped_properties, method, entry, symbol):
+    format = {
+        'info': {},
+        'symbol': 'ETH/BTC',
+        'contracts': exchange.parse_number('1.234'),
+        'contractSize': exchange.parse_number('1.234'),
+        'price': exchange.parse_number('1.234'),
+        'baseValue': exchange.parse_number('1.234'),
+        'quoteValue': exchange.parse_number('1.234'),
+        'timestamp': 1502962946216,
+        'datetime': '2017-09-01T00:00:00',
+    }
+    # todo: atm, many exchanges fail, so temporarily decrease stict mode
+    empty_allowed_for = ['timestamp', 'datetime', 'quoteValue', 'baseValue', 'previousClose', 'price', 'contractSize', 'contracts']
+    test_shared_methods.assert_structure(exchange, skipped_properties, method, entry, format, empty_allowed_for)
+    test_shared_methods.assert_timestamp_and_datetime(exchange, skipped_properties, method, entry)
+    log_text = test_shared_methods.log_template(exchange, method, entry)
+    test_shared_methods.assert_greater(exchange, skipped_properties, method, entry, 'contracts', '0')
+    test_shared_methods.assert_greater(exchange, skipped_properties, method, entry, 'contractSize', '0')
+    test_shared_methods.assert_greater(exchange, skipped_properties, method, entry, 'price', '0')
+    test_shared_methods.assert_greater(exchange, skipped_properties, method, entry, 'baseValue', '0')
+    test_shared_methods.assert_greater(exchange, skipped_properties, method, entry, 'quoteValue', '0')
+    contracts = exchange.safe_string(entry, 'contracts')
+    contract_size = exchange.safe_string(entry, 'contractSize')
+    price = exchange.safe_string(entry, 'price')
+    base_value = exchange.safe_string(entry, 'baseValue')
+    if contracts and contract_size:
+        assert Precise.string_eq(base_value, Precise.string_mul(contracts, contract_size)), 'baseValue == contracts * contractSize' + log_text
+        if price:
+            assert Precise.string_eq(base_value, Precise.string_mul(Precise.string_mul(contracts, contract_size), price)), 'quoteValue == contracts * contractSize * price' + log_text
+    # if singular was called, then symbol needs to be asserted
+    if method == 'watchLiquidations' or method == 'fetchLiquidations':
+        test_shared_methods.assert_symbol(exchange, skipped_properties, method, entry, 'symbol', symbol)