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ccxt/pro/test/Exchange/test_watch_ohlcv.py

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+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.test.exchange.base import test_ohlcv  # noqa E402
+from ccxt.test.exchange.base import test_shared_methods  # noqa E402
+
+async def test_watch_ohlcv(exchange, skipped_properties, symbol):
+    method = 'watchOHLCV'
+    now = exchange.milliseconds()
+    ends = now + 15000
+    timeframe_keys = list(exchange.timeframes.keys())
+    assert len(timeframe_keys), exchange.id + ' ' + method + ' - no timeframes found'
+    # prefer 1m timeframe if available, otherwise return the first one
+    chosen_timeframe_key = '1m'
+    if not exchange.in_array(chosen_timeframe_key, timeframe_keys):
+        chosen_timeframe_key = timeframe_keys[0]
+    limit = 10
+    duration = exchange.parse_timeframe(chosen_timeframe_key)
+    since = exchange.milliseconds() - duration * limit * 1000 - 1000
+    while now < ends:
+        response = None
+        success = True
+        try:
+            response = await exchange.watch_ohlcv(symbol, chosen_timeframe_key, since, limit)
+        except Exception as e:
+            if not test_shared_methods.is_temporary_failure(e):
+                raise e
+            now = exchange.milliseconds()
+            # continue;
+            success = False
+        if success:
+            test_shared_methods.assert_non_emtpy_array(exchange, skipped_properties, method, response, symbol)
+            now = exchange.milliseconds()
+            for i in range(0, len(response)):
+                test_ohlcv(exchange, skipped_properties, method, response[i], symbol, now)
+    return True