def test_bollinger_goog(self):
     dt_start = dt.datetime(2010, 1, 1)
     dt_end = dt.datetime(2010, 12, 31)
     tech_analizer.bollinger(dt_start, dt_end, ["GOOG"], 20, "goog_bollinger_20.png")
 def test_bollinger_aapl(self):
     dt_start = dt.datetime(2008, 1, 1)
     dt_end = dt.datetime(2009, 12, 31)
     tech_analizer.bollinger(dt_start, dt_end, ["AAPL"], 20, "appl_bollinger_20.png")