45 lines
1.8 KiB
Python
45 lines
1.8 KiB
Python
import asyncio
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import logging
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from decimal import Decimal
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from lbry.testcase import AsyncioTestCase
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from lbry.extras.daemon.exchange_rate_manager import ExchangeRate, ExchangeRateManager, FEEDS, MarketFeed
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class TestExchangeRateManager(AsyncioTestCase):
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async def test_exchange_rate_manager(self):
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manager = ExchangeRateManager(FEEDS)
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manager.start()
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self.addCleanup(manager.stop)
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for feed in manager.market_feeds:
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self.assertFalse(feed.is_online)
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self.assertIsNone(feed.rate)
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await manager.wait()
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failures = set()
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for feed in manager.market_feeds:
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if feed.is_online:
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self.assertIsInstance(feed.rate, ExchangeRate)
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else:
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failures.add(feed.name)
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self.assertFalse(feed.has_rate)
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self.assertLessEqual(len(failures), 1, f"feed failures: {failures}. Please check exchange rate feeds!")
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lbc = manager.convert_currency('USD', 'LBC', Decimal('1.0'))
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self.assertGreaterEqual(lbc, 2.0)
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self.assertLessEqual(lbc, 60.0)
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lbc = manager.convert_currency('BTC', 'LBC', Decimal('0.01'))
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self.assertGreaterEqual(lbc, 1_000)
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self.assertLessEqual(lbc, 20_000)
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async def test_it_handles_feed_being_offline(self):
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class FakeFeed(MarketFeed):
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name = "fake"
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url = "http://impossi.bru"
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manager = ExchangeRateManager((FakeFeed,))
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manager.start()
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self.addCleanup(manager.stop)
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for feed in manager.market_feeds:
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self.assertFalse(feed.is_online)
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self.assertIsNone(feed.rate)
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await asyncio.wait_for(manager.wait(), 2)
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for feed in manager.market_feeds:
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self.assertFalse(feed.is_online)
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self.assertFalse(feed.has_rate)
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