Use "with popen:" in test_subprocess

Issue #26741.
This commit is contained in:
Victor Stinner 2016-05-20 12:43:15 +02:00
parent 19ed27ec2b
commit 7438c612ab
1 changed files with 55 additions and 58 deletions

View File

@ -443,8 +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
@ -474,8 +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
@ -530,8 +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
@ -789,18 +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()
@ -1434,8 +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():
@ -1583,8 +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)
@ -1593,8 +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
@ -1626,8 +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.
@ -2450,8 +2451,8 @@ 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)
@ -2460,8 +2461,8 @@ 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
@ -2480,16 +2481,14 @@ 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):
@ -2502,19 +2501,17 @@ 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):
@ -2602,11 +2599,11 @@ 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