diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_runpy.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_runpy.py Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,253 @@ +# Test the runpy module +import unittest +import os +import os.path +import sys +import tempfile +from test.test_support import verbose, run_unittest, forget +from runpy import _run_code, _run_module_code, run_module + +# Note: This module can't safely test _run_module_as_main as it +# runs its tests in the current process, which would mess with the +# real __main__ module (usually test.regrtest) +# See test_cmd_line_script for a test that executes that code path + +# Set up the test code and expected results + +class RunModuleCodeTest(unittest.TestCase): + + expected_result = ["Top level assignment", "Lower level reference"] + test_source = ( + "# Check basic code execution\n" + "result = ['Top level assignment']\n" + "def f():\n" + " result.append('Lower level reference')\n" + "f()\n" + "# Check the sys module\n" + "import sys\n" + "run_argv0 = sys.argv[0]\n" + "run_name_in_sys_modules = __name__ in sys.modules\n" + "if run_name_in_sys_modules:\n" + " module_in_sys_modules = globals() is sys.modules[__name__].__dict__\n" + "# Check nested operation\n" + "import runpy\n" + "nested = runpy._run_module_code('x=1\\n', mod_name='')\n" + ) + + def test_run_code(self): + saved_argv0 = sys.argv[0] + d = _run_code(self.test_source, {}) + self.failUnless(d["result"] == self.expected_result) + self.failUnless(d["__name__"] is None) + self.failUnless(d["__file__"] is None) + self.failUnless(d["__loader__"] is None) + self.failUnless(d["__package__"] is None) + self.failUnless(d["run_argv0"] is saved_argv0) + self.failUnless("run_name" not in d) + self.failUnless(sys.argv[0] is saved_argv0) + + def test_run_module_code(self): + initial = object() + name = "" + file = "Some other nonsense" + loader = "Now you're just being silly" + package = '' # Treat as a top level module + d1 = dict(initial=initial) + saved_argv0 = sys.argv[0] + d2 = _run_module_code(self.test_source, + d1, + name, + file, + loader, + package) + self.failUnless("result" not in d1) + self.failUnless(d2["initial"] is initial) + self.failUnless(d2["result"] == self.expected_result) + self.failUnless(d2["nested"]["x"] == 1) + self.failUnless(d2["__name__"] is name) + self.failUnless(d2["run_name_in_sys_modules"]) + self.failUnless(d2["module_in_sys_modules"]) + self.failUnless(d2["__file__"] is file) + self.failUnless(d2["run_argv0"] is file) + self.failUnless(d2["__loader__"] is loader) + self.failUnless(d2["__package__"] is package) + self.failUnless(sys.argv[0] is saved_argv0) + self.failUnless(name not in sys.modules) + + +class RunModuleTest(unittest.TestCase): + + def expect_import_error(self, mod_name): + try: + run_module(mod_name) + except ImportError: + pass + else: + self.fail("Expected import error for " + mod_name) + + def test_invalid_names(self): + # Builtin module + self.expect_import_error("sys") + # Non-existent modules + self.expect_import_error("sys.imp.eric") + self.expect_import_error("os.path.half") + self.expect_import_error("a.bee") + self.expect_import_error(".howard") + self.expect_import_error("..eaten") + # Package + self.expect_import_error("logging") + + def test_library_module(self): + run_module("runpy") + + def _add_pkg_dir(self, pkg_dir): + os.mkdir(pkg_dir) + pkg_fname = os.path.join(pkg_dir, "__init__"+os.extsep+"py") + pkg_file = open(pkg_fname, "w") + pkg_file.close() + return pkg_fname + + def _make_pkg(self, source, depth): + pkg_name = "__runpy_pkg__" + test_fname = "runpy_test"+os.extsep+"py" + pkg_dir = sub_dir = tempfile.mkdtemp() + if verbose: print " Package tree in:", sub_dir + sys.path.insert(0, pkg_dir) + if verbose: print " Updated sys.path:", sys.path[0] + for i in range(depth): + sub_dir = os.path.join(sub_dir, pkg_name) + pkg_fname = self._add_pkg_dir(sub_dir) + if verbose: print " Next level in:", sub_dir + if verbose: print " Created:", pkg_fname + mod_fname = os.path.join(sub_dir, test_fname) + mod_file = open(mod_fname, "w") + mod_file.write(source) + mod_file.close() + if verbose: print " Created:", mod_fname + mod_name = (pkg_name+".")*depth + "runpy_test" + return pkg_dir, mod_fname, mod_name + + def _del_pkg(self, top, depth, mod_name): + for entry in list(sys.modules): + if entry.startswith("__runpy_pkg__"): + del sys.modules[entry] + if verbose: print " Removed sys.modules entries" + del sys.path[0] + if verbose: print " Removed sys.path entry" + for root, dirs, files in os.walk(top, topdown=False): + for name in files: + try: + os.remove(os.path.join(root, name)) + except OSError, ex: + if verbose: print ex # Persist with cleaning up + for name in dirs: + fullname = os.path.join(root, name) + try: + os.rmdir(fullname) + except OSError, ex: + if verbose: print ex # Persist with cleaning up + try: + os.rmdir(top) + if verbose: print " Removed package tree" + except OSError, ex: + if verbose: print ex # Persist with cleaning up + + def _check_module(self, depth): + pkg_dir, mod_fname, mod_name = ( + self._make_pkg("x=1\n", depth)) + forget(mod_name) + try: + if verbose: print "Running from source:", mod_name + d1 = run_module(mod_name) # Read from source + self.failUnless("x" in d1) + self.failUnless(d1["x"] == 1) + del d1 # Ensure __loader__ entry doesn't keep file open + __import__(mod_name) + os.remove(mod_fname) + if verbose: print "Running from compiled:", mod_name + d2 = run_module(mod_name) # Read from bytecode + self.failUnless("x" in d2) + self.failUnless(d2["x"] == 1) + del d2 # Ensure __loader__ entry doesn't keep file open + finally: + self._del_pkg(pkg_dir, depth, mod_name) + if verbose: print "Module executed successfully" + + def _add_relative_modules(self, base_dir, source, depth): + if depth <= 1: + raise ValueError("Relative module test needs depth > 1") + pkg_name = "__runpy_pkg__" + module_dir = base_dir + for i in range(depth): + parent_dir = module_dir + module_dir = os.path.join(module_dir, pkg_name) + # Add sibling module + sibling_fname = os.path.join(module_dir, "sibling"+os.extsep+"py") + sibling_file = open(sibling_fname, "w") + sibling_file.close() + if verbose: print " Added sibling module:", sibling_fname + # Add nephew module + uncle_dir = os.path.join(parent_dir, "uncle") + self._add_pkg_dir(uncle_dir) + if verbose: print " Added uncle package:", uncle_dir + cousin_dir = os.path.join(uncle_dir, "cousin") + self._add_pkg_dir(cousin_dir) + if verbose: print " Added cousin package:", cousin_dir + nephew_fname = os.path.join(cousin_dir, "nephew"+os.extsep+"py") + nephew_file = open(nephew_fname, "w") + nephew_file.close() + if verbose: print " Added nephew module:", nephew_fname + + def _check_relative_imports(self, depth, run_name=None): + contents = r"""\ +from __future__ import absolute_import +from . import sibling +from ..uncle.cousin import nephew +""" + pkg_dir, mod_fname, mod_name = ( + self._make_pkg(contents, depth)) + try: + self._add_relative_modules(pkg_dir, contents, depth) + pkg_name = mod_name.rpartition('.')[0] + if verbose: print "Running from source:", mod_name + d1 = run_module(mod_name, run_name=run_name) # Read from source + self.failUnless("__package__" in d1) + self.failUnless(d1["__package__"] == pkg_name) + self.failUnless("sibling" in d1) + self.failUnless("nephew" in d1) + del d1 # Ensure __loader__ entry doesn't keep file open + __import__(mod_name) + os.remove(mod_fname) + if verbose: print "Running from compiled:", mod_name + d2 = run_module(mod_name, run_name=run_name) # Read from bytecode + self.failUnless("__package__" in d2) + self.failUnless(d2["__package__"] == pkg_name) + self.failUnless("sibling" in d2) + self.failUnless("nephew" in d2) + del d2 # Ensure __loader__ entry doesn't keep file open + finally: + self._del_pkg(pkg_dir, depth, mod_name) + if verbose: print "Module executed successfully" + + def test_run_module(self): + for depth in range(4): + if verbose: print "Testing package depth:", depth + self._check_module(depth) + + def test_explicit_relative_import(self): + for depth in range(2, 5): + if verbose: print "Testing relative imports at depth:", depth + self._check_relative_imports(depth) + + def test_main_relative_import(self): + for depth in range(2, 5): + if verbose: print "Testing main relative imports at depth:", depth + self._check_relative_imports(depth, "__main__") + + +def test_main(): + run_unittest(RunModuleCodeTest) + run_unittest(RunModuleTest) + +if __name__ == "__main__": + test_main()