def test_line_nooutput(self):
sys.stdout = six.StringIO()
s = debug.Spew(trace_names=['foo'])
f = sys._getframe()
s(f, "line", None)
output = sys.stdout.getvalue()
assert output == ""
def test_hub_exceptions(self):
debug.hub_exceptions(True)
server = eventlet.listen(('0.0.0.0', 0))
client = eventlet.connect(('127.0.0.1', server.getsockname()[1]))
client_2, addr = server.accept()
def hurl(s):
s.recv(1)
{}[1] # keyerror
fake = six.StringIO()
orig = sys.stderr
sys.stderr = fake
try:
gt = eventlet.spawn(hurl, client_2)
eventlet.sleep(0)
client.send(b' ')
eventlet.sleep(0)
# allow the "hurl" greenlet to trigger the KeyError
# not sure why the extra context switch is needed
eventlet.sleep(0)
finally:
sys.stderr = orig
self.assertRaises(KeyError, gt.wait)
debug.hub_exceptions(False)
# look for the KeyError exception in the traceback
self.assert_('KeyError: 1' in fake.getvalue(),
"Traceback not in:\n" + fake.getvalue())
def test_line_nooutput(self):
sys.stdout = six.StringIO()
s = debug.Spew(trace_names=['foo'])
f = sys._getframe()
s(f, "line", None)
output = sys.stdout.getvalue()
self.failUnlessEqual(output, "")
def capture_stderr():
stream = six.StringIO()
original = sys.stderr
try:
sys.stderr = stream
yield stream
finally:
sys.stderr = original
stream.seek(0)
def test_line_novalue(self):
sys.stdout = six.StringIO()
s = debug.Spew(show_values=False)
f = sys._getframe()
s(f, "line", None)
lineno = f.f_lineno - 1 # -1 here since we called with frame f in the line above
output = sys.stdout.getvalue()
assert "%s:%i" % (__name__, lineno) in output, "Didn't find line %i in %s" % (lineno, output)
assert "f=<frame object at" not in output
def test_line(self):
sys.stdout = six.StringIO()
s = debug.Spew()
f = sys._getframe()
s(f, "line", None)
lineno = f.f_lineno - 1 # -1 here since we called with frame f in the line above
output = sys.stdout.getvalue()
self.failUnless("%s:%i" % (__name__, lineno) in output,
"Didn't find line %i in %s" % (lineno, output))
self.failUnless("f=<frame object at" in output)
def test_line_nofile(self):
sys.stdout = six.StringIO()
s = debug.Spew()
g = globals().copy()
del g['__file__']
f = eval("sys._getframe()", g)
lineno = f.f_lineno
s(f, "line", None)
output = sys.stdout.getvalue()
assert "[unknown]:%i" % lineno in output, "Didn't find [unknown]:%i in %s" % (lineno, output)
assert "VM instruction #" in output, output
def test_line_global(self):
global GLOBAL_VAR
sys.stdout = six.StringIO()
GLOBAL_VAR = debug.Spew()
f = sys._getframe()
GLOBAL_VAR(f, "line", None)
lineno = f.f_lineno - 1 # -1 here since we called with frame f in the line above
output = sys.stdout.getvalue()
assert "%s:%i" % (__name__, lineno) in output, "Didn't find line %i in %s" % (lineno, output)
assert "f=<frame object at" in output
assert "GLOBAL_VAR" in f.f_globals
assert "GLOBAL_VAR=<eventlet.debug.Spew object at" in output
del GLOBAL_VAR
def __init__(self, seconds, cb, *args, **kw):
"""Create a timer.
seconds: The minimum number of seconds to wait before calling
cb: The callback to call when the timer has expired
*args: The arguments to pass to cb
**kw: The keyword arguments to pass to cb
This timer will not be run unless it is scheduled in a runloop by
calling timer.schedule() or runloop.add_timer(timer).
"""
self.seconds = seconds
self.tpl = cb, args, kw
self.called = False
if _g_debug:
self.traceback = six.StringIO()
traceback.print_stack(file=self.traceback)