def test_tracer_install(fakesys):
"""
Tracer's install method will install itself globally using sys.setprofile.
"""
t = Tracer()
t.install()
assert fakesys.tracer == t._trace
def test_tracer_install(fakesys):
"""
Tracer's install method will install itself globally using sys.setprofile.
"""
t = Tracer()
t.install()
assert fakesys.tracer == t._trace
def test_tracer_uninstall(fakesys):
"""
Tracer's install method will uninstall itself as well.
"""
t = Tracer()
t.install()
t.uninstall()
assert fakesys.tracer is None
def test_tracer_uninstall(fakesys):
"""
Tracer's install method will uninstall itself as well.
"""
t = Tracer()
t.install()
t.uninstall()
assert fakesys.tracer is None
def test_tracer_uninstall_with_other_hook_previously_installed(fakesys):
"""
If another profile hook was installed before the Tracer was installed, then
the profile hook will be restored to that profile hook.
"""
t = Tracer()
fakesys.tracer = sentinel = object()
t.install()
t.uninstall()
assert fakesys.tracer is sentinel
def test_tracer_uninstall_with_other_hook(fakesys):
"""
If another profile hook was installed after the Tracer was installed, then
the profile hook will remain unchanged.
"""
t = Tracer()
t.install()
fakesys.tracer = sentinel = object()
t.uninstall()
assert fakesys.tracer is sentinel
def test_tracer_uninstall_with_other_hook_previously_installed(fakesys):
"""
If another profile hook was installed before the Tracer was installed, then
the profile hook will be restored to that profile hook.
"""
t = Tracer()
fakesys.tracer = sentinel = object()
t.install()
t.uninstall()
assert fakesys.tracer is sentinel
def test_tracer_uninstall_with_other_hook(fakesys):
"""
If another profile hook was installed after the Tracer was installed, then
the profile hook will remain unchanged.
"""
t = Tracer()
t.install()
fakesys.tracer = sentinel = object()
t.uninstall()
assert fakesys.tracer is sentinel
def test_tracer_wrapped_hook(fakesys):
"""
If a profile hook was set prior to calling Tracer's install method, it will
continue to be called by Tracer.
"""
calls = []
def tracer(frame, event, arg):
calls.append((frame, event, arg))
fakesys.tracer = tracer
t = Tracer()
t.install()
sentinel = object()
t._trace(sentinel, 'call', sentinel)
assert calls == [(sentinel, 'call', sentinel)]
def test_tracer_wrapped_hook(fakesys):
"""
If a profile hook was set prior to calling Tracer's install method, it will
continue to be called by Tracer.
"""
calls = []
def tracer(frame, event, arg):
calls.append((frame, event, arg))
fakesys.tracer = tracer
t = Tracer()
t.install()
sentinel = object()
t._trace(sentinel, 'call', sentinel)
assert calls == [(sentinel, 'call', sentinel)]
from functools import wraps
import couchbase_core._libcouchbase as LCB
from couchbase_core._libcouchbase import (Event, TimerEvent, IOEvent,
LCB_READ_EVENT, LCB_WRITE_EVENT,
LCB_RW_EVENT, PYCBC_EVSTATE_ACTIVE,
PYCBC_EVACTION_WATCH,
PYCBC_EVACTION_UNWATCH,
PYCBC_EVACTION_CLEANUP)
import os
THESEUS_LOGFILE = os.getenv("PYCBC_THESEUS_LOGFILE")
if THESEUS_LOGFILE:
from theseus._tracer import Tracer
t = Tracer()
t.install()
theseus_log = open(THESEUS_LOGFILE, 'w')
import twisted.internet.base
twisted.internet.base.DelayedCall.debug = True
def update_theseus(func):
@wraps(func)
def wrapper(*args, **kwargs):
t.write_data(theseus_log)
theseus_log.flush()
return func(*args, **kwargs)
return wrapper if THESEUS_LOGFILE else func
