code: def testBuildFeedDailyCreatingDir(self):
      tmpPath = tempfile.mkdtemp()
      shutil.rmtree(tmpPath)
      try:
          instrument = "ORCL"
          bf = quandl.build_feed(
              "WIKI",
              [instrument],
              2010,
              2010,
              tmpPath,
              authToken=QUANDL_API_KEY,
          )
          bf.loadAll()
  
          self.assertEquals(
              bf[instrument][-1].getDateTime(),
              datetime.datetime(2010, 12, 31),
          )
          self.assertEquals(bf[instrument][-1].getOpen(), 31.22)
          self.assertEquals(bf[instrument][-1].getHigh(), 31.33)
          self.assertEquals(bf[instrument][-1].getLow(), 30.93)
          self.assertEquals(bf[instrument][-1].getClose(), 31.3)
          self.assertEquals(bf[instrument][-1].getVolume(), 11716300)
          self.assertEquals(bf[instrument][-1].getPrice(), 31.3)
          # Not checking against a specific value since this is going to change
          # as time passes by.
          self.assertNotEquals(bf[instrument][-1].getAdjClose(), None)
      finally:
          shutil.rmtree(tmpPath)
  
imports: import os
  import datetime
  import tempfile
  import shutil
  import subprocess
  import six
  from .None import common
  from pyalgotrade.tools import quandl
  from pyalgotrade import bar
  from pyalgotrade.barfeed import quandlfeed
label_desc: Use image node_id 12 for calling the ToolsTestCase obj's underlying member method code with example usage: obj.testBuildFeedDailyCreatingDir() without return types