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Unified Diff: tests/subprocess2_test.py

Issue 8505046: Revert r109283, r109282 and r109239. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/tools/depot_tools
Patch Set: Created 9 years, 1 month ago
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Index: tests/subprocess2_test.py
diff --git a/tests/subprocess2_test.py b/tests/subprocess2_test.py
index cb390751e2c9b47e35c7f42e5ee57394f7371e81..9d30452c3118220135168a934e52d407c0305a3f 100755
--- a/tests/subprocess2_test.py
+++ b/tests/subprocess2_test.py
@@ -5,18 +5,12 @@
"""Unit tests for subprocess2.py."""
-import logging
import optparse
import os
import sys
import time
import unittest
-try:
- import fcntl
-except ImportError:
- fcntl = None
-
ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, ROOT_DIR)
@@ -25,25 +19,7 @@ import subprocess2
# Method could be a function
# pylint: disable=R0201
-
-def convert_to_crlf(string):
- """Unconditionally convert LF to CRLF."""
- return string.replace('\n', '\r\n')
-
-
-def convert_to_cr(string):
- """Unconditionally convert LF to CR."""
- return string.replace('\n', '\r')
-
-
-def convert_win(string):
- """Converts string to CRLF on Windows only."""
- if sys.platform == 'win32':
- return string.replace('\n', '\r\n')
- return string
-
-
-class DefaultsTest(unittest.TestCase):
+class Subprocess2Test(unittest.TestCase):
# Can be mocked in a test.
TO_SAVE = {
subprocess2: [
@@ -52,6 +28,8 @@ class DefaultsTest(unittest.TestCase):
}
def setUp(self):
+ self.exe_path = __file__
+ self.exe = [sys.executable, self.exe_path, '--child']
self.saved = {}
for module, names in self.TO_SAVE.iteritems():
self.saved[module] = dict(
@@ -168,67 +146,14 @@ class DefaultsTest(unittest.TestCase):
}
self.assertEquals(expected, results)
- def test_timeout_shell_throws(self):
- # Never called.
- _ = self._fake_Popen()
- try:
- subprocess2.communicate(
- sys.executable,
- timeout=0.01,
- stdout=subprocess2.PIPE,
- shell=True)
- self.fail()
- except TypeError:
- pass
-
-
-class S2Test(unittest.TestCase):
- def setUp(self):
- super(S2Test, self).setUp()
- self.exe_path = __file__
- self.exe = [sys.executable, self.exe_path, '--child']
- self.states = {}
- if fcntl:
- for v in (sys.stdin, sys.stdout, sys.stderr):
- fileno = v.fileno()
- self.states[fileno] = fcntl.fcntl(fileno, fcntl.F_GETFL)
-
- def tearDown(self):
- for fileno, fl in self.states.iteritems():
- self.assertEquals(fl, fcntl.fcntl(fileno, fcntl.F_GETFL))
- super(S2Test, self).tearDown()
-
- def _run_test(self, function):
- """Runs tests in 6 combinations:
- - LF output with universal_newlines=False
- - CR output with universal_newlines=False
- - CRLF output with universal_newlines=False
- - LF output with universal_newlines=True
- - CR output with universal_newlines=True
- - CRLF output with universal_newlines=True
-
- First |function| argument is the convertion for the origianl expected LF
- string to the right EOL.
- Second |function| argument is the executable and initial flag to run, to
- control what EOL is used by the child process.
- Third |function| argument is universal_newlines value.
- """
- noop = lambda x: x
- function(noop, self.exe, False)
- function(convert_to_cr, self.exe + ['--cr'], False)
- function(convert_to_crlf, self.exe + ['--crlf'], False)
- function(noop, self.exe, True)
- function(noop, self.exe + ['--cr'], True)
- function(noop, self.exe + ['--crlf'], True)
-
def test_timeout(self):
+ # It'd be better to not discard stdout.
out, returncode = subprocess2.communicate(
- self.exe + ['--sleep_first', '--stdout'],
+ self.exe + ['--sleep', '--stdout'],
timeout=0.01,
- stdout=subprocess2.PIPE,
- shell=False)
+ stdout=subprocess2.PIPE)
self.assertEquals(subprocess2.TIMED_OUT, returncode)
- self.assertEquals(('', None), out)
+ self.assertEquals(['', None], out)
def test_check_output_no_stdout(self):
try:
@@ -238,78 +163,68 @@ class S2Test(unittest.TestCase):
pass
def test_stdout_void(self):
- def fn(c, e, un):
- (out, err), code = subprocess2.communicate(
- e + ['--stdout', '--stderr'],
- stdout=subprocess2.VOID,
- stderr=subprocess2.PIPE,
- universal_newlines=un)
- self.assertEquals(None, out)
- self.assertEquals(c('a\nbb\nccc\n'), err)
- self.assertEquals(0, code)
- self._run_test(fn)
+ (out, err), code = subprocess2.communicate(
+ self.exe + ['--stdout', '--stderr'],
+ stdout=subprocess2.VOID,
+ stderr=subprocess2.PIPE)
+ self.assertEquals(None, out)
+ expected = 'a\nbb\nccc\n'
+ if sys.platform == 'win32':
+ expected = expected.replace('\n', '\r\n')
+ self.assertEquals(expected, err)
+ self.assertEquals(0, code)
def test_stderr_void(self):
- def fn(c, e, un):
- (out, err), code = subprocess2.communicate(
- e + ['--stdout', '--stderr'],
- stdout=subprocess2.PIPE,
- stderr=subprocess2.VOID,
- universal_newlines=un)
- self.assertEquals(c('A\nBB\nCCC\n'), out)
- self.assertEquals(None, err)
- self.assertEquals(0, code)
- self._run_test(fn)
+ (out, err), code = subprocess2.communicate(
+ self.exe + ['--stdout', '--stderr'],
+ universal_newlines=True,
+ stdout=subprocess2.PIPE,
+ stderr=subprocess2.VOID)
+ self.assertEquals('A\nBB\nCCC\n', out)
+ self.assertEquals(None, err)
+ self.assertEquals(0, code)
def test_check_output_throw_stdout(self):
- def fn(c, e, un):
- try:
- subprocess2.check_output(
- e + ['--fail', '--stdout'], universal_newlines=un)
- self.fail()
- except subprocess2.CalledProcessError, e:
- self.assertEquals(c('A\nBB\nCCC\n'), e.stdout)
- self.assertEquals(None, e.stderr)
- self.assertEquals(64, e.returncode)
- self._run_test(fn)
+ try:
+ subprocess2.check_output(
+ self.exe + ['--fail', '--stdout'], universal_newlines=True)
+ self.fail()
+ except subprocess2.CalledProcessError, e:
+ self.assertEquals('A\nBB\nCCC\n', e.stdout)
+ self.assertEquals(None, e.stderr)
+ self.assertEquals(64, e.returncode)
def test_check_output_throw_no_stderr(self):
- def fn(c, e, un):
- try:
- subprocess2.check_output(
- e + ['--fail', '--stderr'], universal_newlines=un)
- self.fail()
- except subprocess2.CalledProcessError, e:
- self.assertEquals(c(''), e.stdout)
- self.assertEquals(None, e.stderr)
- self.assertEquals(64, e.returncode)
- self._run_test(fn)
+ try:
+ subprocess2.check_output(
+ self.exe + ['--fail', '--stderr'], universal_newlines=True)
+ self.fail()
+ except subprocess2.CalledProcessError, e:
+ self.assertEquals('', e.stdout)
+ self.assertEquals(None, e.stderr)
+ self.assertEquals(64, e.returncode)
def test_check_output_throw_stderr(self):
- def fn(c, e, un):
- try:
- subprocess2.check_output(
- e + ['--fail', '--stderr'], stderr=subprocess2.PIPE,
- universal_newlines=un)
- self.fail()
- except subprocess2.CalledProcessError, e:
- self.assertEquals('', e.stdout)
- self.assertEquals(c('a\nbb\nccc\n'), e.stderr)
- self.assertEquals(64, e.returncode)
- self._run_test(fn)
+ try:
+ subprocess2.check_output(
+ self.exe + ['--fail', '--stderr'], stderr=subprocess2.PIPE,
+ universal_newlines=True)
+ self.fail()
+ except subprocess2.CalledProcessError, e:
+ self.assertEquals('', e.stdout)
+ self.assertEquals('a\nbb\nccc\n', e.stderr)
+ self.assertEquals(64, e.returncode)
def test_check_output_throw_stderr_stdout(self):
- def fn(c, e, un):
- try:
- subprocess2.check_output(
- e + ['--fail', '--stderr'], stderr=subprocess2.STDOUT,
- universal_newlines=un)
- self.fail()
- except subprocess2.CalledProcessError, e:
- self.assertEquals(c('a\nbb\nccc\n'), e.stdout)
- self.assertEquals(None, e.stderr)
- self.assertEquals(64, e.returncode)
- self._run_test(fn)
+ try:
+ subprocess2.check_output(
+ self.exe + ['--fail', '--stderr'], stderr=subprocess2.STDOUT,
+ universal_newlines=True)
+ self.fail()
+ except subprocess2.CalledProcessError, e:
+ self.assertEquals('a\nbb\nccc\n', e.stdout)
+ self.assertEquals(None, e.stderr)
+ self.assertEquals(64, e.returncode)
def test_check_call_throw(self):
try:
@@ -320,87 +235,8 @@ class S2Test(unittest.TestCase):
self.assertEquals(None, e.stderr)
self.assertEquals(64, e.returncode)
- def test_check_output_tee_stderr(self):
- def fn(c, e, un):
- stderr = []
- out, returncode = subprocess2.communicate(
- e + ['--stderr'], stderr=stderr.append,
- universal_newlines=un)
- self.assertEquals(c('a\nbb\nccc\n'), ''.join(stderr))
- self.assertEquals((None, None), out)
- self.assertEquals(0, returncode)
- self._run_test(fn)
-
- def test_check_output_tee_stdout_stderr(self):
- def fn(c, e, un):
- stdout = []
- stderr = []
- out, returncode = subprocess2.communicate(
- e + ['--stdout', '--stderr'],
- stdout=stdout.append,
- stderr=stderr.append,
- universal_newlines=un)
- self.assertEquals(c('A\nBB\nCCC\n'), ''.join(stdout))
- self.assertEquals(c('a\nbb\nccc\n'), ''.join(stderr))
- self.assertEquals((None, None), out)
- self.assertEquals(0, returncode)
- self._run_test(fn)
-
- def test_check_output_tee_stdin(self):
- def fn(c, e, un):
- stdout = []
- stdin = '0123456789'
- out, returncode = subprocess2.communicate(
- e + ['--stdout', '--read'], stdin=stdin, stdout=stdout.append,
- universal_newlines=un)
- self.assertEquals(c('A\nBB\nCCC\n'), ''.join(stdout))
- self.assertEquals((None, None), out)
- self.assertEquals(0, returncode)
- self._run_test(fn)
-
- def test_check_output_tee_throw(self):
- def fn(c, e, un):
- stderr = []
- try:
- subprocess2.check_output(
- e + ['--stderr', '--fail'], stderr=stderr.append,
- universal_newlines=un)
- self.fail()
- except subprocess2.CalledProcessError, e:
- self.assertEquals(c('a\nbb\nccc\n'), ''.join(stderr))
- self.assertEquals('', e.stdout)
- self.assertEquals(None, e.stderr)
- self.assertEquals(64, e.returncode)
- self._run_test(fn)
-
- def test_check_output_tee_large(self):
- stdout = []
- # Read 128kb. On my workstation it takes >2s. Welcome to 2011.
- out, returncode = subprocess2.communicate(
- self.exe + ['--large'], stdout=stdout.append)
- self.assertEquals(128*1024, len(''.join(stdout)))
- self.assertEquals((None, None), out)
- self.assertEquals(0, returncode)
-
- def test_check_output_tee_large_stdin(self):
- stdout = []
- # Write 128kb.
- stdin = '0123456789abcdef' * (8*1024)
- out, returncode = subprocess2.communicate(
- self.exe + ['--large', '--read'], stdin=stdin, stdout=stdout.append)
- self.assertEquals(128*1024, len(''.join(stdout)))
- self.assertEquals((None, None), out)
- self.assertEquals(0, returncode)
-
def child_main(args):
- if sys.platform == 'win32':
- # Annoying, make sure the output is not translated on Windows.
- # pylint: disable=E1101,F0401
- import msvcrt
- msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
- msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
-
parser = optparse.OptionParser()
parser.add_option(
'--fail',
@@ -408,52 +244,28 @@ def child_main(args):
action='store_const',
default=0,
const=64)
- parser.add_option(
- '--crlf', action='store_const', const='\r\n', dest='eol', default='\n')
- parser.add_option(
- '--cr', action='store_const', const='\r', dest='eol')
parser.add_option('--stdout', action='store_true')
parser.add_option('--stderr', action='store_true')
- parser.add_option('--sleep_first', action='store_true')
- parser.add_option('--sleep_last', action='store_true')
- parser.add_option('--large', action='store_true')
- parser.add_option('--read', action='store_true')
+ parser.add_option('--sleep', action='store_true')
options, args = parser.parse_args(args)
if args:
parser.error('Internal error')
- if options.sleep_first:
- time.sleep(10)
def do(string):
if options.stdout:
- sys.stdout.write(string.upper())
- sys.stdout.write(options.eol)
+ print >> sys.stdout, string.upper()
if options.stderr:
- sys.stderr.write(string.lower())
- sys.stderr.write(options.eol)
+ print >> sys.stderr, string.lower()
do('A')
do('BB')
do('CCC')
- if options.large:
- # Print 128kb.
- string = '0123456789abcdef' * (8*1024)
- sys.stdout.write(string)
- if options.read:
- try:
- while sys.stdin.read():
- pass
- except OSError:
- pass
- if options.sleep_last:
+ if options.sleep:
time.sleep(10)
return options.return_value
if __name__ == '__main__':
- logging.basicConfig(level=
- [logging.WARNING, logging.INFO, logging.DEBUG][
- min(2, sys.argv.count('-v'))])
if len(sys.argv) > 1 and sys.argv[1] == '--child':
sys.exit(child_main(sys.argv[2:]))
unittest.main()
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