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#!/usr/bin/env python
# ClusterShell.CLI.Config test suite
# Written by S. Thiell 2010-09-19
"""Unit test for CLI.Config"""
import resource
import sys
import tempfile
import unittest
sys.path.insert(0, '../lib')
from ClusterShell.CLI.Clush import set_fdlimit
from ClusterShell.CLI.Config import ClushConfig, ClushConfigError
from ClusterShell.CLI.Display import *
from ClusterShell.CLI.OptionParser import OptionParser
class CLIClushConfigTest(unittest.TestCase):
"""This test case performs a complete CLI.Config.ClushConfig
verification. Also CLI.OptionParser is used and some parts are
verified btw.
"""
def testClushConfigEmpty(self):
"""test CLI.Config.ClushConfig (empty)"""
f = tempfile.NamedTemporaryFile(prefix='testclushconfig')
f.write("""
""")
parser = OptionParser("dummy")
parser.install_display_options(verbose_options=True)
parser.install_ssh_options()
options, _ = parser.parse_args([])
config = ClushConfig(options, filename=f.name)
self.assert_(config != None)
self.assertEqual(config.color, WHENCOLOR_CHOICES[-1])
self.assertEqual(config.verbosity, VERB_STD)
self.assertEqual(config.fanout, 64)
self.assertEqual(config.node_count, True)
self.assertEqual(config.connect_timeout, 30)
self.assertEqual(config.command_timeout, 0)
self.assertEqual(config.ssh_user, None)
self.assertEqual(config.ssh_path, None)
self.assertEqual(config.ssh_options, None)
f.close()
def testClushConfigAlmostEmpty(self):
"""test CLI.Config.ClushConfig (almost empty)"""
f = tempfile.NamedTemporaryFile(prefix='testclushconfig')
f.write("""
[Main]
""")
parser = OptionParser("dummy")
parser.install_display_options(verbose_options=True)
parser.install_ssh_options()
options, _ = parser.parse_args([])
config = ClushConfig(options, filename=f.name)
self.assert_(config != None)
self.assertEqual(config.color, WHENCOLOR_CHOICES[-1])
self.assertEqual(config.verbosity, VERB_STD)
self.assertEqual(config.node_count, True)
self.assertEqual(config.fanout, 64)
self.assertEqual(config.connect_timeout, 30)
self.assertEqual(config.command_timeout, 0)
self.assertEqual(config.ssh_user, None)
self.assertEqual(config.ssh_path, None)
self.assertEqual(config.ssh_options, None)
f.close()
def testClushConfigDefault(self):
"""test CLI.Config.ClushConfig (default)"""
f = tempfile.NamedTemporaryFile(prefix='testclushconfig')
f.write("""
[Main]
fanout: 42
connect_timeout: 14
command_timeout: 0
history_size: 100
color: auto
verbosity: 1
#ssh_user: root
#ssh_path: /usr/bin/ssh
#ssh_options: -oStrictHostKeyChecking=no
""")
f.flush()
parser = OptionParser("dummy")
parser.install_display_options(verbose_options=True)
parser.install_ssh_options()
options, _ = parser.parse_args([])
config = ClushConfig(options, filename=f.name)
self.assert_(config != None)
display = Display(options, config)
self.assert_(display != None)
display.vprint(VERB_STD, "test")
display.vprint(VERB_DEBUG, "shouldn't see this")
self.assertEqual(config.color, WHENCOLOR_CHOICES[2])
self.assertEqual(config.verbosity, VERB_STD)
self.assertEqual(config.node_count, True)
self.assertEqual(config.fanout, 42)
self.assertEqual(config.connect_timeout, 14)
self.assertEqual(config.command_timeout, 0)
self.assertEqual(config.ssh_user, None)
self.assertEqual(config.ssh_path, None)
self.assertEqual(config.ssh_options, None)
f.close()
def testClushConfigFull(self):
"""test CLI.Config.ClushConfig (full)"""
f = tempfile.NamedTemporaryFile(prefix='testclushconfig')
f.write("""
[Main]
fanout: 42
connect_timeout: 14
command_timeout: 0
history_size: 100
color: auto
node_count: yes
verbosity: 1
ssh_user: root
ssh_path: /usr/bin/ssh
ssh_options: -oStrictHostKeyChecking=no
""")
f.flush()
parser = OptionParser("dummy")
parser.install_display_options(verbose_options=True)
parser.install_ssh_options()
options, _ = parser.parse_args([])
config = ClushConfig(options, filename=f.name)
self.assert_(config != None)
self.assertEqual(config.color, WHENCOLOR_CHOICES[2])
self.assertEqual(config.verbosity, VERB_STD)
self.assertEqual(config.node_count, True)
self.assertEqual(config.fanout, 42)
self.assertEqual(config.connect_timeout, 14)
self.assertEqual(config.command_timeout, 0)
self.assertEqual(config.ssh_user, "root")
self.assertEqual(config.ssh_path, "/usr/bin/ssh")
self.assertEqual(config.ssh_options, "-oStrictHostKeyChecking=no")
f.close()
def testClushConfigError(self):
"""test CLI.Config.ClushConfig (error)"""
f = tempfile.NamedTemporaryFile(prefix='testclushconfig')
f.write("""
[Main]
fanout: 3.2
connect_timeout: foo
command_timeout: bar
history_size: 100
color: maybe
node_count: 3
verbosity: bar
ssh_user: root
ssh_path: /usr/bin/ssh
ssh_options: -oStrictHostKeyChecking=no
""")
f.flush()
parser = OptionParser("dummy")
parser.install_display_options(verbose_options=True)
parser.install_ssh_options()
options, _ = parser.parse_args([])
config = ClushConfig(options, filename=f.name)
self.assert_(config != None)
try:
c = config.color
self.fail("Exception ClushConfigError not raised (color)")
except ClushConfigError:
pass
self.assertEqual(config.verbosity, 0) # probably for compatibility
try:
f = config.fanout
self.fail("Exception ClushConfigError not raised (fanout)")
except ClushConfigError:
pass
try:
f = config.node_count
self.fail("Exception ClushConfigError not raised (node_count)")
except ClushConfigError:
pass
try:
f = config.fanout
except ClushConfigError, e:
self.assertEqual(str(e)[0:20], "(Config Main.fanout)")
try:
t = config.connect_timeout
self.fail("Exception ClushConfigError not raised (connect_timeout)")
except ClushConfigError:
pass
try:
m = config.command_timeout
self.fail("Exception ClushConfigError not raised (command_timeout)")
except ClushConfigError:
pass
f.close()
def testClushConfigSetRlimit(self):
"""test CLI.Config.ClushConfig (setrlimit)"""
soft, hard = resource.getrlimit(resource.RLIMIT_NOFILE)
hard2 = min(32768, hard)
f = tempfile.NamedTemporaryFile(prefix='testclushconfig')
f.write("""
[Main]
fanout: 42
connect_timeout: 14
command_timeout: 0
history_size: 100
color: auto
fd_max: %d
verbosity: 1
""" % hard2)
f.flush()
parser = OptionParser("dummy")
parser.install_display_options(verbose_options=True)
parser.install_ssh_options()
options, _ = parser.parse_args([])
config = ClushConfig(options, filename=f.name)
self.assert_(config != None)
display = Display(options, config)
self.assert_(display != None)
# force a lower soft limit
resource.setrlimit(resource.RLIMIT_NOFILE, (hard2/2, hard))
# max_fdlimit should increase soft limit again
set_fdlimit(config.fd_max, display)
# verify
soft, hard = resource.getrlimit(resource.RLIMIT_NOFILE)
self.assertEqual(soft, hard2)
f.close()
def testClushConfigDefaultWithOptions(self):
"""test CLI.Config.ClushConfig (default with options)"""
f = tempfile.NamedTemporaryFile(prefix='testclushconfig')
f.write("""
[Main]
fanout: 42
connect_timeout: 14
command_timeout: 0
history_size: 100
color: auto
verbosity: 1
#ssh_user: root
#ssh_path: /usr/bin/ssh
#ssh_options: -oStrictHostKeyChecking=no
""")
f.flush()
parser = OptionParser("dummy")
parser.install_display_options(verbose_options=True)
parser.install_ssh_options()
options, _ = parser.parse_args(["-f", "36", "-u", "3", "-t", "7",
"--user", "foobar", "--color",
"always", "-d", "-v", "-q", "-o",
"-oSomething"])
config = ClushConfig(options, filename=f.name)
self.assert_(config != None)
display = Display(options, config)
self.assert_(display != None)
display.vprint(VERB_STD, "test")
display.vprint(VERB_DEBUG, "test")
self.assertEqual(config.color, WHENCOLOR_CHOICES[1])
self.assertEqual(config.verbosity, VERB_DEBUG) # takes biggest
self.assertEqual(config.fanout, 36)
self.assertEqual(config.connect_timeout, 7)
self.assertEqual(config.command_timeout, 3)
self.assertEqual(config.ssh_user, "foobar")
self.assertEqual(config.ssh_path, None)
self.assertEqual(config.ssh_options, "-oSomething")
f.close()
def testClushConfigWithInstalledConfig(self):
"""test CLI.Config.ClushConfig (installed config required)"""
# This test needs installed configuration files (needed for
# maximum coverage).
parser = OptionParser("dummy")
parser.install_display_options(verbose_options=True)
parser.install_ssh_options()
options, _ = parser.parse_args([])
config = ClushConfig(options)
self.assert_(config != None)
if __name__ == '__main__':
suites = [unittest.TestLoader().loadTestsFromTestCase(CLIClushConfigTest)]
unittest.TextTestRunner(verbosity=2).run(unittest.TestSuite(suites))
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