timing.py

import timeit

class Foo: pass

foo = Foo()
sfoo = 'foo' * 333
sfo = 'foo' * 332

dfoo = { 'foo': 1, 'bar': 2, 'baz': 3, 'bal': 4 }
setfoo = set(['foo', 'bar', 'baz', 'bal'])

def test_isinstance():
    if isinstance(foo, Foo): pass

def test_typecomp():
    if type(foo) == Foo: pass

def test_uninterned_stringcomp():
    if sfoo == sfo + "foo": pass

def test_interned_stringcomp():
    if sfoo == sfoo: pass

def test_sub_stringcomp():
    if sfoo.startswith(sfo): pass

def test_dictmember():
    if 'foo' in dfoo: pass

def test_multidictmember():
    if 'foo' in dfoo and 'bar' in dfoo and 'baz' in dfoo: pass

def test_setmember():
    if 'foo' in setfoo: pass

multisearch = set(('foo', 'bar', 'baz'))
def test_multisetmember():
    if multisearch.issubset(setfoo): pass

if __name__ == '__main__':

    for testname in ('test_isinstance',
                     'test_typecomp',
                     'test_uninterned_stringcomp',
                     'test_interned_stringcomp',
                     'test_sub_stringcomp',
                     'test_dictmember',
                     'test_multidictmember',
                     'test_multisetmember'
                     ):
        result = timeit.timeit(testname + "()", setup="from __main__ import " + testname)
        print("Testing %s : %f" % (testname, result))