mirror of
https://github.com/python/cpython.git
synced 2024-11-28 04:15:11 +08:00
482 lines
20 KiB
Python
482 lines
20 KiB
Python
# tests command line execution of scripts
|
|
|
|
import contextlib
|
|
import importlib
|
|
import importlib.machinery
|
|
import zipimport
|
|
import unittest
|
|
import sys
|
|
import os
|
|
import os.path
|
|
import py_compile
|
|
import subprocess
|
|
|
|
import textwrap
|
|
from test import support
|
|
from test.script_helper import (
|
|
make_pkg, make_script, make_zip_pkg, make_zip_script,
|
|
assert_python_ok, assert_python_failure, temp_dir,
|
|
spawn_python, kill_python)
|
|
|
|
verbose = support.verbose
|
|
|
|
example_args = ['test1', 'test2', 'test3']
|
|
|
|
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 assertIdentical(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 population of magic variables
|
|
assertEqual(__name__, '__main__')
|
|
from importlib.machinery import BuiltinImporter
|
|
_loader = __loader__ if __loader__ is BuiltinImporter else type(__loader__)
|
|
print('__loader__==%a' % _loader)
|
|
print('__file__==%a' % __file__)
|
|
print('__cached__==%a' % __cached__)
|
|
print('__package__==%r' % __package__)
|
|
# Check PEP 451 details
|
|
import os.path
|
|
if __package__ is not None:
|
|
print('__main__ was located through the import system')
|
|
assertIdentical(__spec__.loader, __loader__)
|
|
expected_spec_name = os.path.splitext(os.path.basename(__file__))[0]
|
|
if __package__:
|
|
expected_spec_name = __package__ + "." + expected_spec_name
|
|
assertEqual(__spec__.name, expected_spec_name)
|
|
assertEqual(__spec__.parent, __package__)
|
|
assertIdentical(__spec__.submodule_search_locations, None)
|
|
assertEqual(__spec__.origin, __file__)
|
|
if __spec__.cached is not None:
|
|
assertEqual(__spec__.cached, __cached__)
|
|
# Check the sys module
|
|
import sys
|
|
assertIdentical(globals(), sys.modules[__name__].__dict__)
|
|
if __spec__ is not None:
|
|
# XXX: We're not currently making __main__ available under its real name
|
|
pass # assertIdentical(globals(), sys.modules[__spec__.name].__dict__)
|
|
from test import test_cmd_line_script
|
|
example_args_list = test_cmd_line_script.example_args
|
|
assertEqual(sys.argv[1:], example_args_list)
|
|
print('sys.argv[0]==%a' % sys.argv[0])
|
|
print('sys.path[0]==%a' % sys.path[0])
|
|
# Check the working directory
|
|
import os
|
|
print('cwd==%a' % os.getcwd())
|
|
"""
|
|
|
|
def _make_test_script(script_dir, script_basename, source=test_source):
|
|
to_return = make_script(script_dir, script_basename, source)
|
|
importlib.invalidate_caches()
|
|
return to_return
|
|
|
|
def _make_test_zip_pkg(zip_dir, zip_basename, pkg_name, script_basename,
|
|
source=test_source, depth=1):
|
|
to_return = make_zip_pkg(zip_dir, zip_basename, pkg_name, script_basename,
|
|
source, depth)
|
|
importlib.invalidate_caches()
|
|
return to_return
|
|
|
|
# There's no easy way to pass the script directory in to get
|
|
# -m to work (avoiding that is the whole point of making
|
|
# directories and zipfiles executable!)
|
|
# So we fake it for testing purposes with a custom launch script
|
|
launch_source = """\
|
|
import sys, os.path, runpy
|
|
sys.path.insert(0, %s)
|
|
runpy._run_module_as_main(%r)
|
|
"""
|
|
|
|
def _make_launch_script(script_dir, script_basename, module_name, path=None):
|
|
if path is None:
|
|
path = "os.path.dirname(__file__)"
|
|
else:
|
|
path = repr(path)
|
|
source = launch_source % (path, module_name)
|
|
to_return = make_script(script_dir, script_basename, source)
|
|
importlib.invalidate_caches()
|
|
return to_return
|
|
|
|
class CmdLineTest(unittest.TestCase):
|
|
def _check_output(self, script_name, exit_code, data,
|
|
expected_file, expected_argv0,
|
|
expected_path0, expected_package,
|
|
expected_loader):
|
|
if verbose > 1:
|
|
print("Output from test script %r:" % script_name)
|
|
print(repr(data))
|
|
self.assertEqual(exit_code, 0)
|
|
printed_loader = '__loader__==%a' % expected_loader
|
|
printed_file = '__file__==%a' % expected_file
|
|
printed_package = '__package__==%r' % expected_package
|
|
printed_argv0 = 'sys.argv[0]==%a' % expected_argv0
|
|
printed_path0 = 'sys.path[0]==%a' % expected_path0
|
|
printed_cwd = 'cwd==%a' % os.getcwd()
|
|
if verbose > 1:
|
|
print('Expected output:')
|
|
print(printed_file)
|
|
print(printed_package)
|
|
print(printed_argv0)
|
|
print(printed_cwd)
|
|
self.assertIn(printed_loader.encode('utf-8'), data)
|
|
self.assertIn(printed_file.encode('utf-8'), data)
|
|
self.assertIn(printed_package.encode('utf-8'), data)
|
|
self.assertIn(printed_argv0.encode('utf-8'), data)
|
|
self.assertIn(printed_path0.encode('utf-8'), data)
|
|
self.assertIn(printed_cwd.encode('utf-8'), data)
|
|
|
|
def _check_script(self, script_name, expected_file,
|
|
expected_argv0, expected_path0,
|
|
expected_package, expected_loader,
|
|
*cmd_line_switches):
|
|
if not __debug__:
|
|
cmd_line_switches += ('-' + 'O' * sys.flags.optimize,)
|
|
run_args = cmd_line_switches + (script_name,) + tuple(example_args)
|
|
rc, out, err = assert_python_ok(*run_args, __isolated=False)
|
|
self._check_output(script_name, rc, out + err, expected_file,
|
|
expected_argv0, expected_path0,
|
|
expected_package, expected_loader)
|
|
|
|
def _check_import_error(self, script_name, expected_msg,
|
|
*cmd_line_switches):
|
|
run_args = cmd_line_switches + (script_name,)
|
|
rc, out, err = assert_python_failure(*run_args)
|
|
if verbose > 1:
|
|
print('Output from test script %r:' % script_name)
|
|
print(repr(err))
|
|
print('Expected output: %r' % expected_msg)
|
|
self.assertIn(expected_msg.encode('utf-8'), err)
|
|
|
|
def test_dash_c_loader(self):
|
|
rc, out, err = assert_python_ok("-c", "print(__loader__)")
|
|
expected = repr(importlib.machinery.BuiltinImporter).encode("utf-8")
|
|
self.assertIn(expected, out)
|
|
|
|
def test_stdin_loader(self):
|
|
# Unfortunately, there's no way to automatically test the fully
|
|
# interactive REPL, since that code path only gets executed when
|
|
# stdin is an interactive tty.
|
|
p = spawn_python()
|
|
try:
|
|
p.stdin.write(b"print(__loader__)\n")
|
|
p.stdin.flush()
|
|
finally:
|
|
out = kill_python(p)
|
|
expected = repr(importlib.machinery.BuiltinImporter).encode("utf-8")
|
|
self.assertIn(expected, out)
|
|
|
|
@contextlib.contextmanager
|
|
def interactive_python(self, separate_stderr=False):
|
|
if separate_stderr:
|
|
p = spawn_python('-i', bufsize=1, stderr=subprocess.PIPE)
|
|
stderr = p.stderr
|
|
else:
|
|
p = spawn_python('-i', bufsize=1, stderr=subprocess.STDOUT)
|
|
stderr = p.stdout
|
|
try:
|
|
# Drain stderr until prompt
|
|
while True:
|
|
data = stderr.read(4)
|
|
if data == b">>> ":
|
|
break
|
|
stderr.readline()
|
|
yield p
|
|
finally:
|
|
kill_python(p)
|
|
stderr.close()
|
|
|
|
def check_repl_stdout_flush(self, separate_stderr=False):
|
|
with self.interactive_python(separate_stderr) as p:
|
|
p.stdin.write(b"print('foo')\n")
|
|
p.stdin.flush()
|
|
self.assertEqual(b'foo', p.stdout.readline().strip())
|
|
|
|
def check_repl_stderr_flush(self, separate_stderr=False):
|
|
with self.interactive_python(separate_stderr) as p:
|
|
p.stdin.write(b"1/0\n")
|
|
p.stdin.flush()
|
|
stderr = p.stderr if separate_stderr else p.stdout
|
|
self.assertIn(b'Traceback ', stderr.readline())
|
|
self.assertIn(b'File "<stdin>"', stderr.readline())
|
|
self.assertIn(b'ZeroDivisionError', stderr.readline())
|
|
|
|
def test_repl_stdout_flush(self):
|
|
self.check_repl_stdout_flush()
|
|
|
|
def test_repl_stdout_flush_separate_stderr(self):
|
|
self.check_repl_stdout_flush(True)
|
|
|
|
def test_repl_stderr_flush(self):
|
|
self.check_repl_stderr_flush()
|
|
|
|
def test_repl_stderr_flush_separate_stderr(self):
|
|
self.check_repl_stderr_flush(True)
|
|
|
|
def test_basic_script(self):
|
|
with temp_dir() as script_dir:
|
|
script_name = _make_test_script(script_dir, 'script')
|
|
self._check_script(script_name, script_name, script_name,
|
|
script_dir, None,
|
|
importlib.machinery.SourceFileLoader)
|
|
|
|
def test_script_compiled(self):
|
|
with temp_dir() as script_dir:
|
|
script_name = _make_test_script(script_dir, 'script')
|
|
py_compile.compile(script_name, doraise=True)
|
|
os.remove(script_name)
|
|
pyc_file = support.make_legacy_pyc(script_name)
|
|
self._check_script(pyc_file, pyc_file,
|
|
pyc_file, script_dir, None,
|
|
importlib.machinery.SourcelessFileLoader)
|
|
|
|
def test_directory(self):
|
|
with temp_dir() as script_dir:
|
|
script_name = _make_test_script(script_dir, '__main__')
|
|
self._check_script(script_dir, script_name, script_dir,
|
|
script_dir, '',
|
|
importlib.machinery.SourceFileLoader)
|
|
|
|
def test_directory_compiled(self):
|
|
with temp_dir() as script_dir:
|
|
script_name = _make_test_script(script_dir, '__main__')
|
|
py_compile.compile(script_name, doraise=True)
|
|
os.remove(script_name)
|
|
pyc_file = support.make_legacy_pyc(script_name)
|
|
self._check_script(script_dir, pyc_file, script_dir,
|
|
script_dir, '',
|
|
importlib.machinery.SourcelessFileLoader)
|
|
|
|
def test_directory_error(self):
|
|
with temp_dir() as script_dir:
|
|
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:
|
|
script_name = _make_test_script(script_dir, '__main__')
|
|
zip_name, run_name = make_zip_script(script_dir, 'test_zip', script_name)
|
|
self._check_script(zip_name, run_name, zip_name, zip_name, '',
|
|
zipimport.zipimporter)
|
|
|
|
def test_zipfile_compiled(self):
|
|
with temp_dir() as script_dir:
|
|
script_name = _make_test_script(script_dir, '__main__')
|
|
compiled_name = py_compile.compile(script_name, doraise=True)
|
|
zip_name, run_name = make_zip_script(script_dir, 'test_zip', compiled_name)
|
|
self._check_script(zip_name, run_name, zip_name, zip_name, '',
|
|
zipimport.zipimporter)
|
|
|
|
def test_zipfile_error(self):
|
|
with temp_dir() as script_dir:
|
|
script_name = _make_test_script(script_dir, 'not_main')
|
|
zip_name, run_name = 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_module_in_package(self):
|
|
with temp_dir() as script_dir:
|
|
pkg_dir = os.path.join(script_dir, 'test_pkg')
|
|
make_pkg(pkg_dir)
|
|
script_name = _make_test_script(pkg_dir, 'script')
|
|
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.script')
|
|
self._check_script(launch_name, script_name, script_name,
|
|
script_dir, 'test_pkg',
|
|
importlib.machinery.SourceFileLoader)
|
|
|
|
def test_module_in_package_in_zipfile(self):
|
|
with temp_dir() as script_dir:
|
|
zip_name, run_name = _make_test_zip_pkg(script_dir, 'test_zip', 'test_pkg', 'script')
|
|
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.script', zip_name)
|
|
self._check_script(launch_name, run_name, run_name,
|
|
zip_name, 'test_pkg', zipimport.zipimporter)
|
|
|
|
def test_module_in_subpackage_in_zipfile(self):
|
|
with temp_dir() as script_dir:
|
|
zip_name, run_name = _make_test_zip_pkg(script_dir, 'test_zip', 'test_pkg', 'script', depth=2)
|
|
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.test_pkg.script', zip_name)
|
|
self._check_script(launch_name, run_name, run_name,
|
|
zip_name, 'test_pkg.test_pkg',
|
|
zipimport.zipimporter)
|
|
|
|
def test_package(self):
|
|
with temp_dir() as script_dir:
|
|
pkg_dir = os.path.join(script_dir, 'test_pkg')
|
|
make_pkg(pkg_dir)
|
|
script_name = _make_test_script(pkg_dir, '__main__')
|
|
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
|
|
self._check_script(launch_name, script_name,
|
|
script_name, script_dir, 'test_pkg',
|
|
importlib.machinery.SourceFileLoader)
|
|
|
|
def test_package_compiled(self):
|
|
with temp_dir() as script_dir:
|
|
pkg_dir = os.path.join(script_dir, 'test_pkg')
|
|
make_pkg(pkg_dir)
|
|
script_name = _make_test_script(pkg_dir, '__main__')
|
|
compiled_name = py_compile.compile(script_name, doraise=True)
|
|
os.remove(script_name)
|
|
pyc_file = support.make_legacy_pyc(script_name)
|
|
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
|
|
self._check_script(launch_name, pyc_file,
|
|
pyc_file, script_dir, 'test_pkg',
|
|
importlib.machinery.SourcelessFileLoader)
|
|
|
|
def test_package_error(self):
|
|
with temp_dir() as script_dir:
|
|
pkg_dir = os.path.join(script_dir, 'test_pkg')
|
|
make_pkg(pkg_dir)
|
|
msg = ("'test_pkg' is a package and cannot "
|
|
"be directly executed")
|
|
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
|
|
self._check_import_error(launch_name, msg)
|
|
|
|
def test_package_recursion(self):
|
|
with temp_dir() as script_dir:
|
|
pkg_dir = os.path.join(script_dir, 'test_pkg')
|
|
make_pkg(pkg_dir)
|
|
main_dir = os.path.join(pkg_dir, '__main__')
|
|
make_pkg(main_dir)
|
|
msg = ("Cannot use package as __main__ module; "
|
|
"'test_pkg' is a package and cannot "
|
|
"be directly executed")
|
|
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
|
|
self._check_import_error(launch_name, msg)
|
|
|
|
def test_issue8202(self):
|
|
# Make sure package __init__ modules see "-m" in sys.argv0 while
|
|
# searching for the module to execute
|
|
with temp_dir() as script_dir:
|
|
with support.change_cwd(path=script_dir):
|
|
pkg_dir = os.path.join(script_dir, 'test_pkg')
|
|
make_pkg(pkg_dir, "import sys; print('init_argv0==%r' % sys.argv[0])")
|
|
script_name = _make_test_script(pkg_dir, 'script')
|
|
rc, out, err = assert_python_ok('-m', 'test_pkg.script', *example_args, __isolated=False)
|
|
if verbose > 1:
|
|
print(repr(out))
|
|
expected = "init_argv0==%r" % '-m'
|
|
self.assertIn(expected.encode('utf-8'), out)
|
|
self._check_output(script_name, rc, out,
|
|
script_name, script_name, '', 'test_pkg',
|
|
importlib.machinery.SourceFileLoader)
|
|
|
|
def test_issue8202_dash_c_file_ignored(self):
|
|
# Make sure a "-c" file in the current directory
|
|
# does not alter the value of sys.path[0]
|
|
with temp_dir() as script_dir:
|
|
with support.change_cwd(path=script_dir):
|
|
with open("-c", "w") as f:
|
|
f.write("data")
|
|
rc, out, err = assert_python_ok('-c',
|
|
'import sys; print("sys.path[0]==%r" % sys.path[0])',
|
|
__isolated=False)
|
|
if verbose > 1:
|
|
print(repr(out))
|
|
expected = "sys.path[0]==%r" % ''
|
|
self.assertIn(expected.encode('utf-8'), out)
|
|
|
|
def test_issue8202_dash_m_file_ignored(self):
|
|
# Make sure a "-m" file in the current directory
|
|
# does not alter the value of sys.path[0]
|
|
with temp_dir() as script_dir:
|
|
script_name = _make_test_script(script_dir, 'other')
|
|
with support.change_cwd(path=script_dir):
|
|
with open("-m", "w") as f:
|
|
f.write("data")
|
|
rc, out, err = assert_python_ok('-m', 'other', *example_args,
|
|
__isolated=False)
|
|
self._check_output(script_name, rc, out,
|
|
script_name, script_name, '', '',
|
|
importlib.machinery.SourceFileLoader)
|
|
|
|
def test_dash_m_error_code_is_one(self):
|
|
# If a module is invoked with the -m command line flag
|
|
# and results in an error that the return code to the
|
|
# shell is '1'
|
|
with temp_dir() as script_dir:
|
|
with support.change_cwd(path=script_dir):
|
|
pkg_dir = os.path.join(script_dir, 'test_pkg')
|
|
make_pkg(pkg_dir)
|
|
script_name = _make_test_script(pkg_dir, 'other',
|
|
"if __name__ == '__main__': raise ValueError")
|
|
rc, out, err = assert_python_failure('-m', 'test_pkg.other', *example_args)
|
|
if verbose > 1:
|
|
print(repr(out))
|
|
self.assertEqual(rc, 1)
|
|
|
|
def test_pep_409_verbiage(self):
|
|
# Make sure PEP 409 syntax properly suppresses
|
|
# the context of an exception
|
|
script = textwrap.dedent("""\
|
|
try:
|
|
raise ValueError
|
|
except:
|
|
raise NameError from None
|
|
""")
|
|
with temp_dir() as script_dir:
|
|
script_name = _make_test_script(script_dir, 'script', script)
|
|
exitcode, stdout, stderr = assert_python_failure(script_name)
|
|
text = stderr.decode('ascii').split('\n')
|
|
self.assertEqual(len(text), 4)
|
|
self.assertTrue(text[0].startswith('Traceback'))
|
|
self.assertTrue(text[1].startswith(' File '))
|
|
self.assertTrue(text[3].startswith('NameError'))
|
|
|
|
def test_non_ascii(self):
|
|
# Mac OS X denies the creation of a file with an invalid UTF-8 name.
|
|
# Windows allows to create a name with an arbitrary bytes name, but
|
|
# Python cannot a undecodable bytes argument to a subprocess.
|
|
if (support.TESTFN_UNDECODABLE
|
|
and sys.platform not in ('win32', 'darwin')):
|
|
name = os.fsdecode(support.TESTFN_UNDECODABLE)
|
|
elif support.TESTFN_NONASCII:
|
|
name = support.TESTFN_NONASCII
|
|
else:
|
|
self.skipTest("need support.TESTFN_NONASCII")
|
|
|
|
# Issue #16218
|
|
source = 'print(ascii(__file__))\n'
|
|
script_name = _make_test_script(os.curdir, name, source)
|
|
self.addCleanup(support.unlink, script_name)
|
|
rc, stdout, stderr = assert_python_ok(script_name)
|
|
self.assertEqual(
|
|
ascii(script_name),
|
|
stdout.rstrip().decode('ascii'),
|
|
'stdout=%r stderr=%r' % (stdout, stderr))
|
|
self.assertEqual(0, rc)
|
|
|
|
def test_issue20500_exit_with_exception_value(self):
|
|
script = textwrap.dedent("""\
|
|
import sys
|
|
error = None
|
|
try:
|
|
raise ValueError('some text')
|
|
except ValueError as err:
|
|
error = err
|
|
|
|
if error:
|
|
sys.exit(error)
|
|
""")
|
|
with temp_dir() as script_dir:
|
|
script_name = _make_test_script(script_dir, 'script', script)
|
|
exitcode, stdout, stderr = assert_python_failure(script_name)
|
|
text = stderr.decode('ascii')
|
|
self.assertEqual(text, "some text")
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(CmdLineTest)
|
|
support.reap_children()
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|