add

ccxt/test/base/test_after_constructor.py

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+import os
+import sys
+
+root = 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 -*-
+
+import ccxt  # noqa: F402
+from ccxt.test.exchange.base import test_shared_methods  # noqa E402
+
+def helper_test_init_throttler():
+    exchange = ccxt.Exchange({
+        'id': 'sampleexchange',
+        'rateLimit': 10.8,
+    })
+    # todo: assert (exchange.MAX_VALUE !== undefined);
+    token_bucket = exchange.get_property(exchange, 'tokenBucket')  # trick for uncamelcase transpilation
+    if token_bucket is None:
+        token_bucket = exchange.get_property(exchange, 'TokenBucket')
+    assert token_bucket is not None
+    assert 'GO_SKIP_START'
+    rate_limit = exchange.get_property(exchange, 'rateLimit')
+    assert rate_limit == 10.8
+    assert token_bucket['delay'] == 0.001
+    assert token_bucket['refillRate'] == 1 / rate_limit
+    assert 'GO_SKIP_END'
+    # fix decimal/integer issues across langs
+    assert exchange.in_array(token_bucket['capacity'], [1, 1])
+    cost = exchange.parse_to_numeric(exchange.safe_string_2(token_bucket, 'cost', 'defaultCost'))  # python sync, todo fix
+    assert exchange.in_array(cost, [1, 1])
+    assert not ('maxCapacity' in token_bucket) or exchange.in_array(token_bucket['maxCapacity'], [1000, 1000])
+
+
+def helper_test_sandbox_state(exchange, should_be_enabled=True):
+    assert exchange.urls is not None
+    assert 'test' in exchange.urls
+    assert 'GO_SKIP_START'
+    is_sandbox_mode_enabled = exchange.get_property(exchange, 'isSandboxModeEnabled')
+    if should_be_enabled:
+        assert is_sandbox_mode_enabled
+        assert exchange.urls['api']['public'] == 'https://example.org'
+        assert exchange.urls['apiBackup']['public'] == 'https://example.com'
+    else:
+        assert not is_sandbox_mode_enabled
+        assert exchange.urls['api']['public'] == 'https://example.com'
+        assert exchange.urls['test']['public'] == 'https://example.org'
+    assert 'GO_SKIP_END'
+
+
+def helper_test_init_sandbox():
+    # todo: sandbox for real exchanges
+    opts = {
+        'id': 'sampleexchange',
+        'options': {
+            'sandbox': False,
+        },
+        'urls': {
+            'api': {
+                'public': 'https://example.com',
+            },
+            'test': {
+                'public': 'https://example.org',
+            },
+        },
+    }
+    #
+    # CASE A: when sandbox is not enabled
+    #
+    exchange3 = ccxt.Exchange(opts)
+    helper_test_sandbox_state(exchange3, False)
+    exchange3.set_sandbox_mode(True)
+    helper_test_sandbox_state(exchange3, True)
+    #
+    # CASE B: when sandbox is enabled
+    #
+    opts['options']['sandbox'] = True
+    exchange4 = ccxt.Exchange(opts)
+    helper_test_sandbox_state(exchange4, True)
+    exchange4.set_sandbox_mode(False)
+    helper_test_sandbox_state(exchange4, False)
+
+
+def helper_test_init_market():
+    # ############# markets ############# #
+    sample_market = {
+        'id': 'BtcUsd',
+        'symbol': 'BTC/USD',
+        'base': 'BTC',
+        'quote': 'USD',
+        'baseId': 'Btc',
+        'quoteId': 'Usd',
+        'type': 'spot',
+        'spot': True,
+    }
+    exchange2 = ccxt.Exchange({
+        'id': 'sampleexchange',
+        'markets': {
+            'BTC/USD': sample_market,
+        },
+    })
+    assert exchange2.markets['BTC/USD'] is not None
+
+
+def test_after_constructor():
+    helper_test_init_throttler()
+    helper_test_init_sandbox()
+    helper_test_init_market()