diff options
Diffstat (limited to 'lib/python2.7/test/test_runpy.py')
| -rw-r--r-- | lib/python2.7/test/test_runpy.py | 405 |
1 files changed, 0 insertions, 405 deletions
diff --git a/lib/python2.7/test/test_runpy.py b/lib/python2.7/test/test_runpy.py deleted file mode 100644 index 76858d5..0000000 --- a/lib/python2.7/test/test_runpy.py +++ /dev/null @@ -1,405 +0,0 @@ -# Test the runpy module -import unittest -import os -import os.path -import sys -import re -import tempfile -from test.test_support import verbose, run_unittest, forget -from test.script_helper import (temp_dir, make_script, compile_script, - make_pkg, make_zip_script, make_zip_pkg) - - -from runpy import _run_code, _run_module_code, run_module, run_path -# 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): - """Unit tests for runpy._run_code and runpy._run_module_code""" - - 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='<run>')\n" - ) - - def test_run_code(self): - saved_argv0 = sys.argv[0] - d = _run_code(self.test_source, {}) - self.assertEqual(d["result"], self.expected_result) - self.assertIs(d["__name__"], None) - self.assertIs(d["__file__"], None) - self.assertIs(d["__loader__"], None) - self.assertIs(d["__package__"], None) - self.assertIs(d["run_argv0"], saved_argv0) - self.assertNotIn("run_name", d) - self.assertIs(sys.argv[0], saved_argv0) - - def test_run_module_code(self): - initial = object() - name = "<Nonsense>" - 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.assertNotIn("result", d1) - self.assertIs(d2["initial"], initial) - self.assertEqual(d2["result"], self.expected_result) - self.assertEqual(d2["nested"]["x"], 1) - self.assertIs(d2["__name__"], name) - self.assertTrue(d2["run_name_in_sys_modules"]) - self.assertTrue(d2["module_in_sys_modules"]) - self.assertIs(d2["__file__"], file) - self.assertIs(d2["run_argv0"], file) - self.assertIs(d2["__loader__"], loader) - self.assertIs(d2["__package__"], package) - self.assertIs(sys.argv[0], saved_argv0) - self.assertNotIn(name, sys.modules) - - -class RunModuleTest(unittest.TestCase): - """Unit tests for runpy.run_module""" - - 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 without __main__.py - self.expect_import_error("multiprocessing") - - 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, mod_base="runpy_test"): - pkg_name = "__runpy_pkg__" - test_fname = mod_base+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 + mod_base - 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.assertIn("x", d1) - self.assertTrue(d1["x"] == 1) - del d1 # Ensure __loader__ entry doesn't keep file open - __import__(mod_name) - os.remove(mod_fname) - if not sys.dont_write_bytecode: - if verbose: print "Running from compiled:", mod_name - d2 = run_module(mod_name) # Read from bytecode - self.assertIn("x", d2) - self.assertTrue(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 _check_package(self, depth): - pkg_dir, mod_fname, mod_name = ( - self._make_pkg("x=1\n", depth, "__main__")) - pkg_name, _, _ = mod_name.rpartition(".") - forget(mod_name) - try: - if verbose: print "Running from source:", pkg_name - d1 = run_module(pkg_name) # Read from source - self.assertIn("x", d1) - self.assertTrue(d1["x"] == 1) - del d1 # Ensure __loader__ entry doesn't keep file open - __import__(mod_name) - os.remove(mod_fname) - if not sys.dont_write_bytecode: - if verbose: print "Running from compiled:", pkg_name - d2 = run_module(pkg_name) # Read from bytecode - self.assertIn("x", d2) - self.assertTrue(d2["x"] == 1) - del d2 # Ensure __loader__ entry doesn't keep file open - finally: - self._del_pkg(pkg_dir, depth, pkg_name) - if verbose: print "Package 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.assertIn("__package__", d1) - self.assertTrue(d1["__package__"] == pkg_name) - self.assertIn("sibling", d1) - self.assertIn("nephew", d1) - del d1 # Ensure __loader__ entry doesn't keep file open - __import__(mod_name) - os.remove(mod_fname) - if not sys.dont_write_bytecode: - if verbose: print "Running from compiled:", mod_name - d2 = run_module(mod_name, run_name=run_name) # Read from bytecode - self.assertIn("__package__", d2) - self.assertTrue(d2["__package__"] == pkg_name) - self.assertIn("sibling", d2) - self.assertIn("nephew", 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_run_package(self): - for depth in range(1, 4): - if verbose: print "Testing package depth:", depth - self._check_package(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__") - - -class RunPathTest(unittest.TestCase): - """Unit tests for runpy.run_path""" - # Based on corresponding tests in test_cmd_line_script - - test_source = """\ -# Script may be run with optimisation enabled, so don't rely on assert -# statements being executed -def assertEqual(lhs, rhs): - if lhs != rhs: - raise AssertionError('%r != %r' % (lhs, rhs)) -def assertIs(lhs, rhs): - if lhs is not rhs: - raise AssertionError('%r is not %r' % (lhs, rhs)) -# Check basic code execution -result = ['Top level assignment'] -def f(): - result.append('Lower level reference') -f() -assertEqual(result, ['Top level assignment', 'Lower level reference']) -# Check the sys module -import sys -assertIs(globals(), sys.modules[__name__].__dict__) -argv0 = sys.argv[0] -""" - - def _make_test_script(self, script_dir, script_basename, source=None): - if source is None: - source = self.test_source - return make_script(script_dir, script_basename, source) - - def _check_script(self, script_name, expected_name, expected_file, - expected_argv0, expected_package): - result = run_path(script_name) - self.assertEqual(result["__name__"], expected_name) - self.assertEqual(result["__file__"], expected_file) - self.assertIn("argv0", result) - self.assertEqual(result["argv0"], expected_argv0) - self.assertEqual(result["__package__"], expected_package) - - def _check_import_error(self, script_name, msg): - msg = re.escape(msg) - self.assertRaisesRegexp(ImportError, msg, run_path, script_name) - - def test_basic_script(self): - with temp_dir() as script_dir: - mod_name = 'script' - script_name = self._make_test_script(script_dir, mod_name) - self._check_script(script_name, "<run_path>", script_name, - script_name, None) - - def test_script_compiled(self): - with temp_dir() as script_dir: - mod_name = 'script' - script_name = self._make_test_script(script_dir, mod_name) - compiled_name = compile_script(script_name) - os.remove(script_name) - self._check_script(compiled_name, "<run_path>", compiled_name, - compiled_name, None) - - def test_directory(self): - with temp_dir() as script_dir: - mod_name = '__main__' - script_name = self._make_test_script(script_dir, mod_name) - self._check_script(script_dir, "<run_path>", script_name, - script_dir, '') - - def test_directory_compiled(self): - with temp_dir() as script_dir: - mod_name = '__main__' - script_name = self._make_test_script(script_dir, mod_name) - compiled_name = compile_script(script_name) - os.remove(script_name) - self._check_script(script_dir, "<run_path>", compiled_name, - script_dir, '') - - def test_directory_error(self): - with temp_dir() as script_dir: - mod_name = 'not_main' - script_name = self._make_test_script(script_dir, mod_name) - msg = "can't find '__main__' module in %r" % script_dir - self._check_import_error(script_dir, msg) - - def test_zipfile(self): - with temp_dir() as script_dir: - mod_name = '__main__' - script_name = self._make_test_script(script_dir, mod_name) - zip_name, fname = make_zip_script(script_dir, 'test_zip', script_name) - self._check_script(zip_name, "<run_path>", fname, zip_name, '') - - def test_zipfile_compiled(self): - with temp_dir() as script_dir: - mod_name = '__main__' - script_name = self._make_test_script(script_dir, mod_name) - compiled_name = compile_script(script_name) - zip_name, fname = make_zip_script(script_dir, 'test_zip', compiled_name) - self._check_script(zip_name, "<run_path>", fname, zip_name, '') - - def test_zipfile_error(self): - with temp_dir() as script_dir: - mod_name = 'not_main' - script_name = self._make_test_script(script_dir, mod_name) - zip_name, fname = make_zip_script(script_dir, 'test_zip', script_name) - msg = "can't find '__main__' module in %r" % zip_name - self._check_import_error(zip_name, msg) - - def test_main_recursion_error(self): - with temp_dir() as script_dir, temp_dir() as dummy_dir: - mod_name = '__main__' - source = ("import runpy\n" - "runpy.run_path(%r)\n") % dummy_dir - script_name = self._make_test_script(script_dir, mod_name, source) - zip_name, fname = make_zip_script(script_dir, 'test_zip', script_name) - msg = "recursion depth exceeded" - self.assertRaisesRegexp(RuntimeError, msg, run_path, zip_name) - - - -def test_main(): - run_unittest(RunModuleCodeTest, RunModuleTest, RunPathTest) - -if __name__ == "__main__": - test_main() |