def _LowestLatencyAsciiChart(self):
"""Return a simple set of tuples to generate an ASCII chart from."""
fastest = self.FastestNameServerResult()
slowest_result = fastest[-1][1]
chart = []
for (ns, duration) in fastest:
textbar = util.DrawTextBar(duration, slowest_result)
chart.append((ns.name, textbar, duration))
return chart
def _MeanRequestAsciiChart(self):
"""Creates an ASCII Chart of Mean Response Time."""
sorted_averages = sorted(self.ComputeAverages(), key=operator.itemgetter(1))
max_result = sorted_averages[-1][1]
chart = []
for result in sorted_averages:
(ns, overall_mean) = result[0:2]
textbar = util.DrawTextBar(overall_mean, max_result)
chart.append((ns.name, textbar, overall_mean))
return chart
def testDrawTextBar(self):
self.assertEqual(util.DrawTextBar(1, 10, max_width=10), '#')
self.assertEqual(util.DrawTextBar(5, 10, max_width=10), '#####')
self.assertEqual(util.DrawTextBar(5, 5, max_width=5), '#####')
# Make sure to draw at least something!
self.assertEqual(util.DrawTextBar(0.05, 10, max_width=10), '#')