| """Tests for 'site'. |
| |
| Tests assume the initial paths in sys.path once the interpreter has begun |
| executing have not been removed. |
| |
| """ |
| import unittest |
| from test.test_support import TestSkipped, run_unittest, TESTFN |
| import builtins |
| import os |
| import sys |
| import encodings |
| import subprocess |
| # Need to make sure to not import 'site' if someone specified ``-S`` at the |
| # command-line. Detect this by just making sure 'site' has not been imported |
| # already. |
| if "site" in sys.modules: |
| import site |
| else: |
| raise TestSkipped("importation of site.py suppressed") |
| |
| if not os.path.isdir(site.USER_SITE): |
| # need to add user site directory for tests |
| os.makedirs(site.USER_SITE) |
| site.addsitedir(site.USER_SITE) |
| |
| class HelperFunctionsTests(unittest.TestCase): |
| """Tests for helper functions. |
| |
| The setting of the encoding (set using sys.setdefaultencoding) used by |
| the Unicode implementation is not tested. |
| |
| """ |
| |
| def setUp(self): |
| """Save a copy of sys.path""" |
| self.sys_path = sys.path[:] |
| |
| |
| """Restore sys.path""" |
| sys.path = self.sys_path |
| |
| def test_makepath(self): |
| # Test makepath() have an absolute path for its first return value |
| # and a case-normalized version of the absolute path for its |
| # second value. |
| path_parts = ("Beginning", "End") |
| original_dir = os.path.join(*path_parts) |
| abs_dir, norm_dir = site.makepath(*path_parts) |
| self.failUnlessEqual(os.path.abspath(original_dir), abs_dir) |
| if original_dir == os.path.normcase(original_dir): |
| self.failUnlessEqual(abs_dir, norm_dir) |
| else: |
| self.failUnlessEqual(os.path.normcase(abs_dir), norm_dir) |
| |
| def test_init_pathinfo(self): |
| dir_set = site._init_pathinfo() |
| for entry in [site.makepath(path)[1] for path in sys.path |
| if path and os.path.isdir(path)]: |
| self.failUnless(entry in dir_set, |
| "%s from sys.path not found in set returned " |
| "by _init_pathinfo(): %s" % (entry, dir_set)) |
| |
| def pth_file_tests(self, pth_file): |
| """Contain common code for testing results of reading a .pth file""" |
| self.failUnless(pth_file.imported in sys.modules, |
| "%s not in sys.path" % pth_file.imported) |
| self.failUnless(site.makepath(pth_file.good_dir_path)[0] in sys.path) |
| self.failUnless(not os.path.exists(pth_file.bad_dir_path)) |
| |
| def test_addpackage(self): |
| # Make sure addpackage() imports if the line starts with 'import', |
| # adds directories to sys.path for any line in the file that is not a |
| # comment or import that is a valid directory name for where the .pth |
| # file resides; invalid directories are not added |
| pth_file = PthFile() |
| pth_file.cleanup(prep=True) # to make sure that nothing is |
| # pre-existing that shouldn't be |
| try: |
| pth_file.create() |
| site.addpackage(pth_file.base_dir, pth_file.filename, set()) |
| self.pth_file_tests(pth_file) |
| finally: |
| pth_file.cleanup() |
| |
| def test_addsitedir(self): |
| # Same tests for test_addpackage since addsitedir() essentially just |
| # calls addpackage() for every .pth file in the directory |
| pth_file = PthFile() |
| pth_file.cleanup(prep=True) # Make sure that nothing is pre-existing |
| # that is tested for |
| try: |
| pth_file.create() |
| site.addsitedir(pth_file.base_dir, set()) |
| self.pth_file_tests(pth_file) |
| finally: |
| pth_file.cleanup() |
| |
| def test_s_option(self): |
| usersite = site.USER_SITE |
| self.assert_(usersite in sys.path) |
| |
| rc = subprocess.call([sys.executable, '-c', |
| 'import sys; sys.exit("%s" in sys.path)' % usersite]) |
| self.assertEqual(rc, 1) |
| |
| rc = subprocess.call([sys.executable, '-s', '-c', |
| 'import sys; sys.exit("%s" in sys.path)' % usersite]) |
| self.assertEqual(rc, 0) |
| |
| env = os.environ.copy() |
| env["PYTHONNOUSERSITE"] = "1" |
| rc = subprocess.call([sys.executable, '-c', |
| 'import sys; sys.exit("%s" in sys.path)' % usersite], |
| env=env) |
| self.assertEqual(rc, 0) |
| |
| env = os.environ.copy() |
| env["PYTHONUSERBASE"] = "/tmp" |
| rc = subprocess.call([sys.executable, '-c', |
| 'import sys, site; sys.exit(site.USER_BASE.startswith("/tmp"))'], |
| env=env) |
| self.assertEqual(rc, 1) |
| |
| |
| class PthFile(object): |
| """Helper class for handling testing of .pth files""" |
| |
| def __init__(self, filename_base=TESTFN, imported="time", |
| good_dirname="__testdir__", bad_dirname="__bad"): |
| """Initialize instance variables""" |
| self.filename = filename_base + ".pth" |
| self.base_dir = os.path.abspath('') |
| self.file_path = os.path.join(self.base_dir, self.filename) |
| self.imported = imported |
| self.good_dirname = good_dirname |
| self.bad_dirname = bad_dirname |
| self.good_dir_path = os.path.join(self.base_dir, self.good_dirname) |
| self.bad_dir_path = os.path.join(self.base_dir, self.bad_dirname) |
| |
| def create(self): |
| """Create a .pth file with a comment, blank lines, an ``import |
| <self.imported>``, a line with self.good_dirname, and a line with |
| self.bad_dirname. |
| |
| Creation of the directory for self.good_dir_path (based off of |
| self.good_dirname) is also performed. |
| |
| Make sure to call self.cleanup() to undo anything done by this method. |
| |
| """ |
| FILE = open(self.file_path, 'w') |
| try: |
| print("#import @bad module name", file=FILE) |
| print("\n", file=FILE) |
| print("import %s" % self.imported, file=FILE) |
| print(self.good_dirname, file=FILE) |
| print(self.bad_dirname, file=FILE) |
| finally: |
| FILE.close() |
| os.mkdir(self.good_dir_path) |
| |
| def cleanup(self, prep=False): |
| """Make sure that the .pth file is deleted, self.imported is not in |
| sys.modules, and that both self.good_dirname and self.bad_dirname are |
| not existing directories.""" |
| if os.path.exists(self.file_path): |
| os.remove(self.file_path) |
| if prep: |
| self.imported_module = sys.modules.get(self.imported) |
| if self.imported_module: |
| del sys.modules[self.imported] |
| else: |
| if self.imported_module: |
| sys.modules[self.imported] = self.imported_module |
| if os.path.exists(self.good_dir_path): |
| os.rmdir(self.good_dir_path) |
| if os.path.exists(self.bad_dir_path): |
| os.rmdir(self.bad_dir_path) |
| |
| class ImportSideEffectTests(unittest.TestCase): |
| """Test side-effects from importing 'site'.""" |
| |
| def setUp(self): |
| """Make a copy of sys.path""" |
| self.sys_path = sys.path[:] |
| |
| def tearDown(self): |
| """Restore sys.path""" |
| sys.path = self.sys_path |
| |
| def test_abs__file__(self): |
| # Make sure all imported modules have their __file__ attribute |
| # as an absolute path. |
| # Handled by abs__file__() |
| site.abs__file__() |
| for module in (sys, os, builtins): |
| try: |
| self.failUnless(os.path.isabs(module.__file__), repr(module)) |
| except AttributeError: |
| continue |
| # We could try everything in sys.modules; however, when regrtest.py |
| # runs something like test_frozen before test_site, then we will |
| # be testing things loaded *after* test_site did path normalization |
| |
| def test_no_duplicate_paths(self): |
| # No duplicate paths should exist in sys.path |
| # Handled by removeduppaths() |
| site.removeduppaths() |
| seen_paths = set() |
| for path in sys.path: |
| self.failUnless(path not in seen_paths) |
| seen_paths.add(path) |
| |
| def test_add_build_dir(self): |
| # Test that the build directory's Modules directory is used when it |
| # should be. |
| # XXX: implement |
| pass |
| |
| def test_setting_quit(self): |
| # 'quit' and 'exit' should be injected into builtins |
| self.failUnless(hasattr(builtins, "quit")) |
| self.failUnless(hasattr(builtins, "exit")) |
| |
| def test_setting_copyright(self): |
| # 'copyright' and 'credits' should be in builtins |
| self.failUnless(hasattr(builtins, "copyright")) |
| self.failUnless(hasattr(builtins, "credits")) |
| |
| def test_setting_help(self): |
| # 'help' should be set in builtins |
| self.failUnless(hasattr(builtins, "help")) |
| |
| def test_aliasing_mbcs(self): |
| if sys.platform == "win32": |
| import locale |
| if locale.getdefaultlocale()[1].startswith('cp'): |
| for value in encodings.aliases.aliases.values(): |
| if value == "mbcs": |
| break |
| else: |
| self.fail("did not alias mbcs") |
| |
| def test_setdefaultencoding_removed(self): |
| # Make sure sys.setdefaultencoding is gone |
| self.failUnless(not hasattr(sys, "setdefaultencoding")) |
| |
| def test_sitecustomize_executed(self): |
| # If sitecustomize is available, it should have been imported. |
| if "sitecustomize" not in sys.modules: |
| try: |
| import sitecustomize |
| except ImportError: |
| pass |
| else: |
| self.fail("sitecustomize not imported automatically") |
| |
| |
| |
| |
| def test_main(): |
| run_unittest(HelperFunctionsTests, ImportSideEffectTests) |
| |
| |
| |
| if __name__ == "__main__": |
| test_main() |