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#!/usr/bin/python
import pickle
import os
import subprocess
import sys
import time
import unittest
sys.path.insert(0, "..")
# FIXME:
# - need proper fixtures for history and lists
# - needs stats about cold/warm disk cache
class SCTestGUI(unittest.TestCase):
def setUp(self):
if os.path.exists("revno_to_times_list.p"):
self.revno_to_times_list = pickle.load(open("revno_to_times_list.p"))
else:
self.revno_to_times_list = {}
def tearDown(self):
pickle.dump(
self.revno_to_times_list, open("revno_to_times_list.p", "w"))
# FIXME: debug why this sometimes hangs
def disabled_for_now_untiL_hang_is_found_test_startup_time(self):
for i in range(5):
time_to_visible = self.create_ui_and_return_time_to_visible()
self.record_test_run_data(time_to_visible)
print self.revno_to_times_list
def create_ui_and_return_time_to_visible(self):
os.environ["PYTHONPATH"] = ".."
now = time.time()
# we get the time on stdout and detailed stats on stderr
p = subprocess.Popen(["./software-center", "--measure-startup-time"],
cwd="..",
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
p.wait()
# this is the time with the python statup overhead
time_with_launching_python = time.time() - now
# IMPORTANT: this read() needs to be outside of the timing stats,
# it takes 2s (!?!) on my 3Ghz machine
stdoutput = p.stdout.read()
profile_data = p.stderr.read()
# this is the time spend inside python
time_inside_python = stdoutput.strip().split("\n")[-1]
# for testing
print "time inside_python: ", time_inside_python
print "total with launching python: ", time_with_launching_python
print profile_data
print
return time_with_launching_python
def record_test_run_data(self, time_to_visible):
# gather stats
revno = subprocess.Popen(
["bzr","revno"], stdout=subprocess.PIPE).communicate()[0].strip()
times_list = self.revno_to_times_list.get(revno, [])
times_list.append(time_to_visible)
self.revno_to_times_list[revno] = times_list
if __name__ == "__main__":
unittest.main()
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