code: def testLoadNoFilter(self):
      feed = barfeed.CSVTradeFeed()
      feed.addBarsFromCSV(common.get_data_file_path("bitstampUSD.csv"))
      loaded = [(dateTime, bars) for dateTime, bars in feed]
  
      self.assertEquals(len(loaded), 9999)
  
      self.assertEquals(
          loaded[0][0],
          dt.as_utc(datetime.datetime(2011, 9, 13, 13, 53, 36)),
      )
      self.assertEquals(
          loaded[0][1]["BTC"].getDateTime(),
          dt.as_utc(datetime.datetime(2011, 9, 13, 13, 53, 36)),
      )
      self.assertEquals(loaded[0][1]["BTC"].getClose(), 5.8)
      self.assertEquals(loaded[0][1]["BTC"].getPrice(), 5.8)
      self.assertEquals(loaded[0][1]["BTC"].getVolume(), 1.0)
  
      self.assertEquals(
          loaded[-1][0],
          dt.as_utc(datetime.datetime(2012, 5, 31, 8, 41, 18, 5)),
      )
      self.assertEquals(
          loaded[-1][1]["BTC"].getDateTime(),
          dt.as_utc(datetime.datetime(2012, 5, 31, 8, 41, 18, 5)),
      )
      self.assertEquals(loaded[-1][1]["BTC"].getClose(), 5.1)
      self.assertEquals(loaded[-1][1]["BTC"].getPrice(), 5.1)
      self.assertEquals(loaded[-1][1]["BTC"].getVolume(), 0.39215686)
  
file_path: pyalgotrade/testcases/btcharts_test.py
imports: import datetime
  from .None import common
  from pyalgotrade.bitcoincharts import barfeed
  from pyalgotrade.utils import dt
label_desc: Use image node_id 1 for calling the TestCase obj's underlying member method code with example usage: obj.testLoadNoFilter() without return types