diff options
Diffstat (limited to 'Lib/test/test_subprocess.py')
| -rw-r--r-- | Lib/test/test_subprocess.py | 128 |
1 files changed, 62 insertions, 66 deletions
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py index 9c7aa93f04..a8f0a64e96 100644 --- a/Lib/test/test_subprocess.py +++ b/Lib/test/test_subprocess.py @@ -1,19 +1,15 @@ import unittest -from test.support import script_helper from test import support import subprocess import sys import signal import io -import locale import os import errno import tempfile import time -import re import selectors import sysconfig -import warnings import select import shutil import gc @@ -447,8 +443,8 @@ class ProcessTestCase(BaseTestCase): p = subprocess.Popen([sys.executable, "-c", 'import sys; sys.stdout.write("orange")'], stdout=subprocess.PIPE) - self.addCleanup(p.stdout.close) - self.assertEqual(p.stdout.read(), b"orange") + with p: + self.assertEqual(p.stdout.read(), b"orange") def test_stdout_filedes(self): # stdout is set to open file descriptor @@ -478,8 +474,8 @@ class ProcessTestCase(BaseTestCase): p = subprocess.Popen([sys.executable, "-c", 'import sys; sys.stderr.write("strawberry")'], stderr=subprocess.PIPE) - self.addCleanup(p.stderr.close) - self.assertStderrEqual(p.stderr.read(), b"strawberry") + with p: + self.assertStderrEqual(p.stderr.read(), b"strawberry") def test_stderr_filedes(self): # stderr is set to open file descriptor @@ -534,8 +530,8 @@ class ProcessTestCase(BaseTestCase): 'sys.stderr.write("orange")'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT) - self.addCleanup(p.stdout.close) - self.assertStderrEqual(p.stdout.read(), b"appleorange") + with p: + self.assertStderrEqual(p.stdout.read(), b"appleorange") def test_stdout_stderr_file(self): # capture stdout and stderr to the same open file @@ -793,18 +789,19 @@ class ProcessTestCase(BaseTestCase): stdin=subprocess.PIPE, stdout=subprocess.PIPE, universal_newlines=1) - p.stdin.write("line1\n") - p.stdin.flush() - self.assertEqual(p.stdout.readline(), "line1\n") - p.stdin.write("line3\n") - p.stdin.close() - self.addCleanup(p.stdout.close) - self.assertEqual(p.stdout.readline(), - "line2\n") - self.assertEqual(p.stdout.read(6), - "line3\n") - self.assertEqual(p.stdout.read(), - "line4\nline5\nline6\nline7\nline8") + with p: + p.stdin.write("line1\n") + p.stdin.flush() + self.assertEqual(p.stdout.readline(), "line1\n") + p.stdin.write("line3\n") + p.stdin.close() + self.addCleanup(p.stdout.close) + self.assertEqual(p.stdout.readline(), + "line2\n") + self.assertEqual(p.stdout.read(6), + "line3\n") + self.assertEqual(p.stdout.read(), + "line4\nline5\nline6\nline7\nline8") def test_universal_newlines_communicate(self): # universal newlines through communicate() @@ -1438,8 +1435,8 @@ class POSIXProcessTestCase(BaseTestCase): 'sys.stdout.write(os.getenv("FRUIT"))'], stdout=subprocess.PIPE, preexec_fn=lambda: os.putenv("FRUIT", "apple")) - self.addCleanup(p.stdout.close) - self.assertEqual(p.stdout.read(), b"apple") + with p: + self.assertEqual(p.stdout.read(), b"apple") def test_preexec_exception(self): def raise_it(): @@ -1587,8 +1584,8 @@ class POSIXProcessTestCase(BaseTestCase): p = subprocess.Popen(["echo $FRUIT"], shell=1, stdout=subprocess.PIPE, env=newenv) - self.addCleanup(p.stdout.close) - self.assertEqual(p.stdout.read().strip(b" \t\r\n\f"), b"apple") + with p: + self.assertEqual(p.stdout.read().strip(b" \t\r\n\f"), b"apple") def test_shell_string(self): # Run command through the shell (string) @@ -1597,8 +1594,8 @@ class POSIXProcessTestCase(BaseTestCase): p = subprocess.Popen("echo $FRUIT", shell=1, stdout=subprocess.PIPE, env=newenv) - self.addCleanup(p.stdout.close) - self.assertEqual(p.stdout.read().strip(b" \t\r\n\f"), b"apple") + with p: + self.assertEqual(p.stdout.read().strip(b" \t\r\n\f"), b"apple") def test_call_string(self): # call() function with string argument on UNIX @@ -1630,8 +1627,8 @@ class POSIXProcessTestCase(BaseTestCase): for sh in shells: p = subprocess.Popen("echo $0", executable=sh, shell=True, stdout=subprocess.PIPE) - self.addCleanup(p.stdout.close) - self.assertEqual(p.stdout.read().strip(), bytes(sh, 'ascii')) + with p: + self.assertEqual(p.stdout.read().strip(), bytes(sh, 'ascii')) def _kill_process(self, method, *args): # Do not inherit file handles from the parent. @@ -2289,7 +2286,9 @@ class POSIXProcessTestCase(BaseTestCase): self.addCleanup(p.stderr.close) ident = id(p) pid = p.pid - del p + with support.check_warnings(('', ResourceWarning)): + p = None + # check that p is in the active processes list self.assertIn(ident, [id(o) for o in subprocess._active]) @@ -2308,7 +2307,9 @@ class POSIXProcessTestCase(BaseTestCase): self.addCleanup(p.stderr.close) ident = id(p) pid = p.pid - del p + with support.check_warnings(('', ResourceWarning)): + p = None + os.kill(pid, signal.SIGKILL) # check that p is in the active processes list self.assertIn(ident, [id(o) for o in subprocess._active]) @@ -2454,8 +2455,8 @@ class Win32ProcessTestCase(BaseTestCase): p = subprocess.Popen(["set"], shell=1, stdout=subprocess.PIPE, env=newenv) - self.addCleanup(p.stdout.close) - self.assertIn(b"physalis", p.stdout.read()) + with p: + self.assertIn(b"physalis", p.stdout.read()) def test_shell_string(self): # Run command through the shell (string) @@ -2464,8 +2465,8 @@ class Win32ProcessTestCase(BaseTestCase): p = subprocess.Popen("set", shell=1, stdout=subprocess.PIPE, env=newenv) - self.addCleanup(p.stdout.close) - self.assertIn(b"physalis", p.stdout.read()) + with p: + self.assertIn(b"physalis", p.stdout.read()) def test_call_string(self): # call() function with string argument on Windows @@ -2484,16 +2485,14 @@ class Win32ProcessTestCase(BaseTestCase): stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) - self.addCleanup(p.stdout.close) - self.addCleanup(p.stderr.close) - self.addCleanup(p.stdin.close) - # Wait for the interpreter to be completely initialized before - # sending any signal. - p.stdout.read(1) - getattr(p, method)(*args) - _, stderr = p.communicate() - self.assertStderrEqual(stderr, b'') - returncode = p.wait() + with p: + # Wait for the interpreter to be completely initialized before + # sending any signal. + p.stdout.read(1) + getattr(p, method)(*args) + _, stderr = p.communicate() + self.assertStderrEqual(stderr, b'') + returncode = p.wait() self.assertNotEqual(returncode, 0) def _kill_dead_process(self, method, *args): @@ -2506,19 +2505,17 @@ class Win32ProcessTestCase(BaseTestCase): stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) - self.addCleanup(p.stdout.close) - self.addCleanup(p.stderr.close) - self.addCleanup(p.stdin.close) - # Wait for the interpreter to be completely initialized before - # sending any signal. - p.stdout.read(1) - # The process should end after this - time.sleep(1) - # This shouldn't raise even though the child is now dead - getattr(p, method)(*args) - _, stderr = p.communicate() - self.assertStderrEqual(stderr, b'') - rc = p.wait() + with p: + # Wait for the interpreter to be completely initialized before + # sending any signal. + p.stdout.read(1) + # The process should end after this + time.sleep(1) + # This shouldn't raise even though the child is now dead + getattr(p, method)(*args) + _, stderr = p.communicate() + self.assertStderrEqual(stderr, b'') + rc = p.wait() self.assertEqual(rc, 42) def test_send_signal(self): @@ -2561,8 +2558,7 @@ class MiscTests(unittest.TestCase): def test__all__(self): """Ensure that __all__ is populated properly.""" - # STARTUPINFO added to __all__ in 3.6 - intentionally_excluded = {"list2cmdline", "STARTUPINFO", "Handle"} + intentionally_excluded = {"list2cmdline", "Handle"} exported = set(subprocess.__all__) possible_exports = set() import types @@ -2607,11 +2603,11 @@ class CommandsWithSpaces (BaseTestCase): def with_spaces(self, *args, **kwargs): kwargs['stdout'] = subprocess.PIPE p = subprocess.Popen(*args, **kwargs) - self.addCleanup(p.stdout.close) - self.assertEqual( - p.stdout.read ().decode("mbcs"), - "2 [%r, 'ab cd']" % self.fname - ) + with p: + self.assertEqual( + p.stdout.read ().decode("mbcs"), + "2 [%r, 'ab cd']" % self.fname + ) def test_shell_string_with_spaces(self): # call() function with string argument with spaces on Windows |