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"""
Openstack run_tests.py style output for nosetests
"""
import heapq
import logging
import os
import sys
import time
import colorama
import termcolor
from nose import plugins
from nose import suite
from nose import core
from nose import SkipTest
log = logging.getLogger("openstack.nose")
class Colorizer(object):
def __init__(self, stream):
self.stream = stream
colorama.init()
def write(self, text, color):
self.stream.write(termcolor.colored(text, color))
def writeln(self, text, color):
self.stream.writeln(termcolor.colored(text, color))
class NullColorizer(object):
def __init__(self, stream):
self.stream = stream
def write(self, text, color):
self.stream.write(text)
def writeln(self, text, color):
self.stream.writeln(text)
class Openstack(plugins.Plugin):
"""Nova style output generator"""
name = "openstack"
times = {}
def _get_color(self, elapsed):
if elapsed > self.red:
return "red"
elif elapsed > self.yellow:
return "yellow"
else:
return "green"
def _get_name(self, test):
address = test.address()
if address[2] is None:
return None, None
parts = address[2].split(".")
if len(parts) == 2:
return tuple(parts)
else:
return None, parts[0]
def _writeResult(self, test, long_result, color, short_result,
show_elapsed=True):
if isinstance(test, suite.ContextSuite):
return
name = self._get_name(test)
elapsed = self.times[name][1] - self.times[name][0]
item = (elapsed, name)
if len(self._slow_tests) >= self.num_slow:
heapq.heappushpop(self._slow_tests, item)
else:
heapq.heappush(self._slow_tests, item)
if self.show_all:
self.colorizer.write(long_result, color)
if self.show_elapsed and show_elapsed:
color = self._get_color(elapsed)
self.colorizer.write(" %.2f" % elapsed, color)
self.stream.writeln()
elif self.dots:
self.colorizer.write(short_result, color)
self.stream.flush()
# These functions are for patching into the result object
def _add_error(self, test, err):
if isinstance(test, suite.ContextSuite):
return
if isinstance(err[1], SkipTest):
return self._add_skip(test, err)
name = self._get_name(test)
self.times[name].append(time.time())
self._writeResult(test, "ERROR", "red", "E")
self._result_addError(test, err)
def _add_failure(self, test, err):
if isinstance(test, suite.ContextSuite):
return
name = self._get_name(test)
self.times[name].append(time.time())
self._writeResult(test, "FAIL", "red", "F")
self._result_addFailure(test, err)
def _add_success(self, test):
if isinstance(test, suite.ContextSuite):
return
name = self._get_name(test)
self.times[name].append(time.time())
self._writeResult(test, "OK ", "green", ".")
self._result_addSuccess(test)
def _add_skip(self, test, reason):
if isinstance(test, suite.ContextSuite):
return
name = self._get_name(test)
self.times[name].append(time.time())
self._writeResult(test, "SKIP", "blue", "S", show_elapsed=False)
self._result_addSkip(test, reason)
def _print_errors(self):
if self.dots or self.show_all:
self.stream.writeln()
self._result_printErrors()
def _is_a_tty(self):
return getattr(os, 'isatty') and os.isatty(sys.stdout.fileno())
def configure(self, options, conf):
plugins.Plugin.configure(self, options, conf)
self.conf = conf
self.red = float(options.openstack_red)
self.yellow = float(options.openstack_yellow)
self.show_elapsed = options.openstack_show_elapsed
self.num_slow = int(options.openstack_num_slow)
self.color = options.openstack_color
self.use_stdout = options.openstack_stdout
self.colorizer = None
self._cls = None
self._slow_tests = []
def options(self, parser, env):
plugins.Plugin.options(self, parser, env)
parser.add_option("--openstack-red",
default=env.get("NOSE_OPENSTACK_RED", 1.0),
dest="openstack_red",
help="Colorize run times greater than value red. "
"[NOSE_OPENSTACK_RED] or 1.0")
parser.add_option("--openstack-yellow",
default=env.get("NOSE_OPENSTACK_YELLOW", 0.25),
dest="openstack_yellow",
help="Colorize run times greater than value "
"yellow. [NOSE_OPENSTACK_RED] or 0.25")
parser.add_option("--openstack-show-elapsed", action="store_true",
default=env.get("NOSE_OPENSTACK_SHOW_ELAPSED"),
dest="openstack_show_elapsed",
help="Show the elaped runtime of tests. "
"[NOSE_OPENSTACK_SHOW_ELAPSED]")
parser.add_option("--openstack-color", action="store_true",
default=env.get("NOSE_OPENSTACK_COLOR"),
dest="openstack_color",
help="Colorize output. [NOSE_OPENSTACK_COLOR]")
parser.add_option("--openstack-nocolor", action="store_false",
default=env.get("NOSE_OPENSTACK_COLOR"),
dest="openstack_color",
help=("Disable colorized output. "
"[NOSE_OPENSTACK_COLOR]"))
parser.add_option("--openstack-num-slow",
dest="openstack_num_slow",
default=env.get("NOSE_OPENSTACK_NUM_SLOW", 5),
help="Number top slowest tests to report. "
"[NOSE_OPENSTACK_NUM_SLOW]")
parser.add_option("--openstack-stdout", action="store_true",
default=env.get("NOSE_OPENSTACK_STDOUT"),
dest="openstack_stdout",
help="Output to stdout. [NOSE_OPENSTACK_STDOUT]")
def prepareTestRunner(self, runner):
if (not isinstance(runner, core.TextTestRunner) or
not self.use_stdout):
return
new_runner = core.TextTestRunner(stream=sys.__stdout__,
descriptions=runner.descriptions,
verbosity=runner.verbosity,
config=runner.config)
return new_runner
def prepareTestResult(self, result):
self._result = result
self.show_all = result.showAll
self.dots = result.dots
self.separator1 = result.separator1
self.separator2 = result.separator2
result.showAll = False
result.dots = False
self._result_addError = result.addError
result.addError = self._add_error
self._result_addFailure = result.addFailure
result.addFailure = self._add_failure
self._result_addSuccess = result.addSuccess
result.addSuccess = self._add_success
if hasattr(result, "addSkip"):
self._result_addSkip = result.addSkip
result.addSkip = self._add_skip
self._result_printErrors = result.printErrors
result.printErrors = self._print_errors
def report(self, stream):
slow_tests = [item for item in self._slow_tests
if self._get_color(item[0]) != "green"]
if slow_tests:
slow_total_time = sum(item[0] for item in slow_tests)
stream.writeln("Slowest %i tests took %.2f secs:"
% (len(slow_tests), slow_total_time))
for time, test in sorted(slow_tests, reverse=True):
name = '.'.join([str(i) for i in test])
self.colorizer.writeln(" %.2f %s" % (time, name),
self._get_color(time))
def setOutputStream(self, stream):
self.stream = stream
if self.color and self._is_a_tty:
self.colorizer = Colorizer(self.stream)
else:
self.colorizer = NullColorizer(self.stream)
self.stream.writeln()
def startTest(self, test):
if isinstance(test, suite.ContextSuite):
return
cls, name = self._get_name(test)
if self.show_all:
if cls != self._cls:
self.stream.writeln(str(cls))
self._cls = cls
self.stream.write(' {0}'.format(name).ljust(65))
self.stream.flush()
self.times[(cls, name)] = [time.time()]
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