mock globals and imports

gistfile1.py

from foo import SomeClass
import mock

a = 100
def global_variable():
    with mock.patch(__name__ + '.a'):
        print a

def class_patch():
    # read about 'where to patch' to see why not patch 'foo.SomeClass'
    # http://www.voidspace.org.uk/python/mock/patch.html#where-to-patch 
    with mock.patch(__name__ + '.SomeClass'):
        print SomeClass

if __name__ == '__main__':
    global_variable()
    class_patch()

# prints:
# <MagicMock name='a' id='4311171920'>
# <MagicMock name='SomeClass' id='4311195984'>