254 lines
9.7 KiB
Python
254 lines
9.7 KiB
Python
# 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='<run>')\n"
|
|
)
|
|
|
|
def test_run_code(self):
|
|
saved_argv0 = sys.argv[0]
|
|
d = _run_code(self.test_source, {})
|
|
self.assertTrue(d["result"] == self.expected_result)
|
|
self.assertTrue(d["__name__"] is None)
|
|
self.assertTrue(d["__file__"] is None)
|
|
self.assertTrue(d["__loader__"] is None)
|
|
self.assertTrue(d["__package__"] is None)
|
|
self.assertTrue(d["run_argv0"] is saved_argv0)
|
|
self.assertTrue("run_name" not in d)
|
|
self.assertTrue(sys.argv[0] is 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.assertTrue("result" not in d1)
|
|
self.assertTrue(d2["initial"] is initial)
|
|
self.assertTrue(d2["result"] == self.expected_result)
|
|
self.assertTrue(d2["nested"]["x"] == 1)
|
|
self.assertTrue(d2["__name__"] is name)
|
|
self.assertTrue(d2["run_name_in_sys_modules"])
|
|
self.assertTrue(d2["module_in_sys_modules"])
|
|
self.assertTrue(d2["__file__"] is file)
|
|
self.assertTrue(d2["run_argv0"] is file)
|
|
self.assertTrue(d2["__loader__"] is loader)
|
|
self.assertTrue(d2["__package__"] is package)
|
|
self.assertTrue(sys.argv[0] is saved_argv0)
|
|
self.assertTrue(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.assertTrue("x" in d1)
|
|
self.assertTrue(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.assertTrue("x" in 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 _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.assertTrue("__package__" in d1)
|
|
self.assertTrue(d1["__package__"] == pkg_name)
|
|
self.assertTrue("sibling" in d1)
|
|
self.assertTrue("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.assertTrue("__package__" in d2)
|
|
self.assertTrue(d2["__package__"] == pkg_name)
|
|
self.assertTrue("sibling" in d2)
|
|
self.assertTrue("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()
|