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# Module: test_tools
# Date: 13th March 2009
# Author: James Mills, prologic at shortcircuit dot net dot au
"""Tools Test Suite
Test all functionality of the tools package.
"""
import pytest
try:
from threading import current_thread
except ImportError:
from threading import currentThread as current_thread # NOQA
from circuits import Component, reprhandler
from circuits.tools import kill, inspect, findroot, tryimport
class A(Component):
def foo(self):
print("A!")
class B(Component):
def foo(self):
print("B!")
class C(Component):
def foo(self):
print("C!")
class D(Component):
def foo(self):
print("D!")
class E(Component):
def foo(self):
print("E!")
class F(Component):
def foo(self):
print("F!")
def test_kill():
a = A()
b = B()
c = C()
d = D()
e = E()
f = F()
a += b
b += c
e += f
d += e
a += d
assert a.parent == a
assert b.parent == a
assert c.parent == b
assert not c.components
assert b in a.components
assert d in a.components
assert d.parent == a
assert e.parent == d
assert f.parent == e
assert f in e.components
assert e in d.components
assert not f.components
assert kill(d) is None
while a:
a.flush()
assert a.parent == a
assert b.parent == a
assert c.parent == b
assert not c.components
assert b in a.components
assert not d in a.components
assert not e in d.components
assert not f in e.components
assert d.parent == d
assert e.parent == e
assert f.parent == f
assert not d.components
assert not e.components
assert not f.components
def test_inspect():
if pytest.PYVER[:2] == (3, 3):
pytest.skip("Broken on Python 3.3")
a = A()
s = inspect(a)
assert "Components: 0" in s
assert "Event Handlers: 2" in s
assert "foo; 1" in s
assert "<handler[*.foo] (A.foo)>" in s
assert "prepare_unregister_complete; 1" in s
assert "<handler[<instance of A>.prepare_unregister_complete] (A._on_prepare_unregister_complete)>" in s
def test_findroot():
a = A()
b = B()
c = C()
a += b
b += c
root = findroot(a)
assert root == a
root = findroot(b)
assert root == a
root = findroot(c)
assert root == a
def test_reprhandler():
a = A()
s = reprhandler(a.foo)
assert s == "<handler[*.foo] (A.foo)>"
f = lambda: None
pytest.raises(AttributeError, reprhandler, f)
def test_tryimport():
import os
m = tryimport("os")
assert m is os
def test_tryimport_obj():
from os import path
m = tryimport("os", "path")
assert m is path
def test_tryimport_fail():
m = tryimport("asdf")
assert m is None
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