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import sys
import warnings
from tests import LimitedTestCase, main, skip_on_windows
warnings.simplefilter('ignore', DeprecationWarning)
from eventlet import processes, api
warnings.simplefilter('default', DeprecationWarning)
class TestEchoPool(LimitedTestCase):
def setUp(self):
super(TestEchoPool, self).setUp()
self.pool = processes.ProcessPool('echo', ["hello"])
@skip_on_windows
def test_echo(self):
result = None
proc = self.pool.get()
try:
result = proc.read()
finally:
self.pool.put(proc)
self.assertEquals(result, 'hello\n')
@skip_on_windows
def test_read_eof(self):
proc = self.pool.get()
try:
proc.read()
self.assertRaises(processes.DeadProcess, proc.read)
finally:
self.pool.put(proc)
@skip_on_windows
def test_empty_echo(self):
p = processes.Process('echo', ['-n'])
self.assertEquals('', p.read())
self.assertRaises(processes.DeadProcess, p.read)
class TestCatPool(LimitedTestCase):
def setUp(self):
super(TestCatPool, self).setUp()
api.sleep(0)
self.pool = processes.ProcessPool('cat')
@skip_on_windows
def test_cat(self):
result = None
proc = self.pool.get()
try:
proc.write('goodbye')
proc.close_stdin()
result = proc.read()
finally:
self.pool.put(proc)
self.assertEquals(result, 'goodbye')
@skip_on_windows
def test_write_to_dead(self):
result = None
proc = self.pool.get()
try:
proc.write('goodbye')
proc.close_stdin()
result = proc.read()
self.assertRaises(processes.DeadProcess, proc.write, 'foo')
finally:
self.pool.put(proc)
@skip_on_windows
def test_close(self):
result = None
proc = self.pool.get()
try:
proc.write('hello')
proc.close()
self.assertRaises(processes.DeadProcess, proc.write, 'goodbye')
finally:
self.pool.put(proc)
class TestDyingProcessesLeavePool(LimitedTestCase):
def setUp(self):
super(TestDyingProcessesLeavePool, self).setUp()
self.pool = processes.ProcessPool('echo', ['hello'], max_size=1)
@skip_on_windows
def test_dead_process_not_inserted_into_pool(self):
proc = self.pool.get()
try:
try:
result = proc.read()
self.assertEquals(result, 'hello\n')
result = proc.read()
except processes.DeadProcess:
pass
finally:
self.pool.put(proc)
proc2 = self.pool.get()
self.assert_(proc is not proc2)
if __name__ == '__main__':
main()
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