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      1 """
      2 Use this module to get and run all tk tests.
      3 
      4 tkinter tests should live in a package inside the directory where this file
      5 lives, like test_tkinter.
      6 Extensions also should live in packages following the same rule as above.
      7 """
      8 
      9 import os
     10 import importlib
     11 import test.support
     12 
     13 this_dir_path = os.path.abspath(os.path.dirname(__file__))
     14 
     15 def is_package(path):
     16     for name in os.listdir(path):
     17         if name in ('__init__.py', '__init__.pyc'):
     18             return True
     19     return False
     20 
     21 def get_tests_modules(basepath=this_dir_path, gui=True, packages=None):
     22     """This will import and yield modules whose names start with test_
     23     and are inside packages found in the path starting at basepath.
     24 
     25     If packages is specified it should contain package names that
     26     want their tests collected.
     27     """
     28     py_ext = '.py'
     29 
     30     for dirpath, dirnames, filenames in os.walk(basepath):
     31         for dirname in list(dirnames):
     32             if dirname[0] == '.':
     33                 dirnames.remove(dirname)
     34 
     35         if is_package(dirpath) and filenames:
     36             pkg_name = dirpath[len(basepath) + len(os.sep):].replace('/', '.')
     37             if packages and pkg_name not in packages:
     38                 continue
     39 
     40             filenames = filter(
     41                     lambda x: x.startswith('test_') and x.endswith(py_ext),
     42                     filenames)
     43 
     44             for name in filenames:
     45                 try:
     46                     yield importlib.import_module(
     47                         ".%s.%s" % (pkg_name, name[:-len(py_ext)]),
     48                         "tkinter.test")
     49                 except test.support.ResourceDenied:
     50                     if gui:
     51                         raise
     52 
     53 def get_tests(text=True, gui=True, packages=None):
     54     """Yield all the tests in the modules found by get_tests_modules.
     55 
     56     If nogui is True, only tests that do not require a GUI will be
     57     returned."""
     58     attrs = []
     59     if text:
     60         attrs.append('tests_nogui')
     61     if gui:
     62         attrs.append('tests_gui')
     63     for module in get_tests_modules(gui=gui, packages=packages):
     64         for attr in attrs:
     65             for test in getattr(module, attr, ()):
     66                 yield test
     67 
     68 if __name__ == "__main__":
     69     test.support.run_unittest(*get_tests())
     70