# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

import StringIO
import gc
import re
import sys
import textwrap
import types

from twisted.trial import unittest
from twisted.trial.runner import (
TrialRunner, TestSuite, DestructiveTestSuite, TestLoader)
from twisted.trial._dist.disttrial import DistTrialRunner
from twisted.scripts import trial
from twisted.python import util
from twisted.python.usage import UsageError
from twisted.python.filepath import FilePath

from twisted.trial.test.test_loader import testNames

pyunit = __import__('unittest')


def sibpath(filename):
"""
For finding files in twisted/trial/test
"""
return util.sibpath(__file__, filename)



class ForceGarbageCollection(unittest.SynchronousTestCase):
"""
Tests for the --force-gc option.
"""

def setUp(self):
self.config = trial.Options()
self.log = []
self.patch(gc, 'collect', self.collect)
test = pyunit.FunctionTestCase(self.simpleTest)
self.test = TestSuite([test, test])


def simpleTest(self):
"""
A simple test method that records that it was run.
"""
self.log.append('test')


def collect(self):
"""
A replacement for gc.collect that logs calls to itself.
"""
self.log.append('collect')


def makeRunner(self):
"""
Return a L{TrialRunner} object that is safe to use in tests.
"""
runner = trial._makeRunner(self.config)
runner.stream = StringIO.StringIO()
return runner


def test_forceGc(self):
"""
Passing the --force-gc option to the trial script forces the garbage
collector to run before and after each test.
"""
self.config['force-gc'] = True
self.config.postOptions()
runner = self.makeRunner()
runner.run(self.test)
self.assertEqual(self.log, ['collect', 'test', 'collect',
'collect', 'test', 'collect'])


def test_unforceGc(self):
"""
By default, no garbage collection is forced.
"""
self.config.postOptions()
runner = self.makeRunner()
runner.run(self.test)
self.assertEqual(self.log, ['test', 'test'])



class TestSuiteUsed(unittest.SynchronousTestCase):
"""
Check the category of tests suite used by the loader.
"""

def setUp(self):
"""
Create a trial configuration object.
"""
self.config = trial.Options()


def test_defaultSuite(self):
"""
By default, the loader should use L{DestructiveTestSuite}
"""
loader = trial._getLoader(self.config)
self.assertEqual(loader.suiteFactory, DestructiveTestSuite)


def test_untilFailureSuite(self):
"""
The C{until-failure} configuration uses the L{TestSuite} to keep
instances alive across runs.
"""
self.config['until-failure'] = True
loader = trial._getLoader(self.config)
self.assertEqual(loader.suiteFactory, TestSuite)



class TestModuleTest(unittest.SynchronousTestCase):
def setUp(self):
self.config = trial.Options()

def tearDown(self):
self.config = None

def test_testNames(self):
"""
Check that the testNames helper method accurately collects the
names of tests in suite.
"""
self.assertEqual(testNames(self), [self.id()])

def assertSuitesEqual(self, test1, names):
loader = TestLoader()
names1 = testNames(test1)
names2 = testNames(TestSuite(map(loader.loadByName, names)))
names1.sort()
names2.sort()
self.assertEqual(names1, names2)

def test_baseState(self):
self.assertEqual(0, len(self.config['tests']))

def test_testmoduleOnModule(self):
"""
Check that --testmodule loads a suite which contains the tests
referred to in test-case-name inside its parameter.
"""
self.config.opt_testmodule(sibpath('moduletest.py'))
self.assertSuitesEqual(trial._getSuite(self.config),
['twisted.trial.test.test_log'])

def test_testmoduleTwice(self):
"""
When the same module is specified with two --testmodule flags, it
should only appear once in the suite.
"""
self.config.opt_testmodule(sibpath('moduletest.py'))
self.config.opt_testmodule(sibpath('moduletest.py'))
self.assertSuitesEqual(trial._getSuite(self.config),
['twisted.trial.test.test_log'])

def test_testmoduleOnSourceAndTarget(self):
"""
If --testmodule is specified twice, once for module A and once for
a module which refers to module A, then make sure module A is only
added once.
"""
self.config.opt_testmodule(sibpath('moduletest.py'))
self.config.opt_testmodule(sibpath('test_log.py'))
self.assertSuitesEqual(trial._getSuite(self.config),
['twisted.trial.test.test_log'])

def test_testmoduleOnSelfModule(self):
"""
When given a module that refers to *itself* in the test-case-name
variable, check that --testmodule only adds the tests once.
"""
self.config.opt_testmodule(sibpath('moduleself.py'))
self.assertSuitesEqual(trial._getSuite(self.config),
['twisted.trial.test.moduleself'])

def test_testmoduleOnScript(self):
"""
Check that --testmodule loads tests referred to in test-case-name
buffer variables.
"""
self.config.opt_testmodule(sibpath('scripttest.py'))
self.assertSuitesEqual(trial._getSuite(self.config),
['twisted.trial.test.test_log',
'twisted.trial.test.test_class'])

def test_testmoduleOnNonexistentFile(self):
"""
Check that --testmodule displays a meaningful error message when
passed a non-existent filename.
"""
buffy = StringIO.StringIO()
stderr, sys.stderr = sys.stderr, buffy
filename = 'test_thisbetternoteverexist.py'
try:
self.config.opt_testmodule(filename)
self.assertEqual(0, len(self.config['tests']))
self.assertEqual("File %r doesn't exist\n" % (filename,),
buffy.getvalue())
finally:
sys.stderr = stderr

def test_testmoduleOnEmptyVars(self):
"""
Check that --testmodule adds no tests to the suite for modules
which lack test-case-name buffer variables.
"""
self.config.opt_testmodule(sibpath('novars.py'))
self.assertEqual(0, len(self.config['tests']))

def test_testmoduleOnModuleName(self):
"""
Check that --testmodule does *not* support module names as arguments
and that it displays a meaningful error message.
"""
buffy = StringIO.StringIO()
stderr, sys.stderr = sys.stderr, buffy
moduleName = 'twisted.trial.test.test_script'
try:
self.config.opt_testmodule(moduleName)
self.assertEqual(0, len(self.config['tests']))
self.assertEqual("File %r doesn't exist\n" % (moduleName,),
buffy.getvalue())
finally:
sys.stderr = stderr

def test_parseLocalVariable(self):
declaration = '-*- test-case-name: twisted.trial.test.test_tests -*-'
localVars = trial._parseLocalVariables(declaration)
self.assertEqual({'test-case-name':
'twisted.trial.test.test_tests'},
localVars)

def test_trailingSemicolon(self):
declaration = '-*- test-case-name: twisted.trial.test.test_tests; -*-'
localVars = trial._parseLocalVariables(declaration)
self.assertEqual({'test-case-name':
'twisted.trial.test.test_tests'},
localVars)

def test_parseLocalVariables(self):
declaration = ('-*- test-case-name: twisted.trial.test.test_tests; '
'foo: bar -*-')
localVars = trial._parseLocalVariables(declaration)
self.assertEqual({'test-case-name':
'twisted.trial.test.test_tests',
'foo': 'bar'},
localVars)

def test_surroundingGuff(self):
declaration = ('## -*- test-case-name: '
'twisted.trial.test.test_tests -*- #')
localVars = trial._parseLocalVariables(declaration)
self.assertEqual({'test-case-name':
'twisted.trial.test.test_tests'},
localVars)

def test_invalidLine(self):
self.failUnlessRaises(ValueError, trial._parseLocalVariables,
'foo')

def test_invalidDeclaration(self):
self.failUnlessRaises(ValueError, trial._parseLocalVariables,
'-*- foo -*-')
self.failUnlessRaises(ValueError, trial._parseLocalVariables,
'-*- foo: bar; qux -*-')
self.failUnlessRaises(ValueError, trial._parseLocalVariables,
'-*- foo: bar: baz; qux: qax -*-')

def test_variablesFromFile(self):
localVars = trial.loadLocalVariables(sibpath('moduletest.py'))
self.assertEqual({'test-case-name':
'twisted.trial.test.test_log'},
localVars)

def test_noVariablesInFile(self):
localVars = trial.loadLocalVariables(sibpath('novars.py'))
self.assertEqual({}, localVars)

def test_variablesFromScript(self):
localVars = trial.loadLocalVariables(sibpath('scripttest.py'))
self.assertEqual(
{'test-case-name': ('twisted.trial.test.test_log,'
'twisted.trial.test.test_class')},
localVars)

def test_getTestModules(self):
modules = trial.getTestModules(sibpath('moduletest.py'))
self.assertEqual(modules, ['twisted.trial.test.test_log'])

def test_getTestModules_noVars(self):
modules = trial.getTestModules(sibpath('novars.py'))
self.assertEqual(len(modules), 0)

def test_getTestModules_multiple(self):
modules = trial.getTestModules(sibpath('scripttest.py'))
self.assertEqual(set(modules),
set(['twisted.trial.test.test_log',
'twisted.trial.test.test_class']))

def test_looksLikeTestModule(self):
for filename in ['test_script.py', 'twisted/trial/test/test_script.py']:
self.failUnless(trial.isTestFile(filename),
"%r should be a test file" % (filename,))
for filename in ['twisted/trial/test/moduletest.py',
sibpath('scripttest.py'), sibpath('test_foo.bat')]:
self.failIf(trial.isTestFile(filename),
"%r should *not* be a test file" % (filename,))


class WithoutModuleTests(unittest.SynchronousTestCase):
"""
Test the C{without-module} flag.
"""

def setUp(self):
"""
Create a L{trial.Options} object to be used in the tests, and save
C{sys.modules}.
"""
self.config = trial.Options()
self.savedModules = dict(sys.modules)


def tearDown(self):
"""
Restore C{sys.modules}.
"""
for module in ('imaplib', 'smtplib'):
if module in self.savedModules:
sys.modules[module] = self.savedModules[module]
else:
sys.modules.pop(module, None)


def _checkSMTP(self):
"""
Try to import the C{smtplib} module, and return it.
"""
import smtplib
return smtplib


def _checkIMAP(self):
"""
Try to import the C{imaplib} module, and return it.
"""
import imaplib
return imaplib


def test_disableOneModule(self):
"""
Check that after disabling a module, it can't be imported anymore.
"""
self.config.parseOptions(["--without-module", "smtplib"])
self.assertRaises(ImportError, self._checkSMTP)
# Restore sys.modules
del sys.modules["smtplib"]
# Then the function should succeed
self.assertIsInstance(self._checkSMTP(), types.ModuleType)


def test_disableMultipleModules(self):
"""
Check that several modules can be disabled at once.
"""
self.config.parseOptions(["--without-module", "smtplib,imaplib"])
self.assertRaises(ImportError, self._checkSMTP)
self.assertRaises(ImportError, self._checkIMAP)
# Restore sys.modules
del sys.modules["smtplib"]
del sys.modules["imaplib"]
# Then the functions should succeed
self.assertIsInstance(self._checkSMTP(), types.ModuleType)
self.assertIsInstance(self._checkIMAP(), types.ModuleType)


def test_disableAlreadyImportedModule(self):
"""
Disabling an already imported module should produce a warning.
"""
self.assertIsInstance(self._checkSMTP(), types.ModuleType)
self.assertWarns(RuntimeWarning,
"Module 'smtplib' already imported, disabling anyway.",
trial.__file__,
self.config.parseOptions, ["--without-module", "smtplib"])
self.assertRaises(ImportError, self._checkSMTP)



class CoverageTests(unittest.SynchronousTestCase):
"""
Tests for the I{coverage} option.
"""
if getattr(sys, 'gettrace', None) is None:
skip = (
"Cannot test trace hook installation without inspection API.")

def setUp(self):
"""
Arrange for the current trace hook to be restored when the
test is complete.
"""
self.addCleanup(sys.settrace, sys.gettrace())


def test_tracerInstalled(self):
"""
L{trial.Options} handles C{"--coverage"} by installing a trace
hook to record coverage information.
"""
options = trial.Options()
options.parseOptions(["--coverage"])
self.assertEqual(sys.gettrace(), options.tracer.globaltrace)


def test_coverdirDefault(self):
"""
L{trial.Options.coverdir} returns a L{FilePath} based on the default
for the I{temp-directory} option if that option is not specified.
"""
options = trial.Options()
self.assertEqual(
options.coverdir(),
FilePath(".").descendant([options["temp-directory"], "coverage"]))


def test_coverdirOverridden(self):
"""
If a value is specified for the I{temp-directory} option,
L{trial.Options.coverdir} returns a child of that path.
"""
path = self.mktemp()
options = trial.Options()
options.parseOptions(["--temp-directory", path])
self.assertEqual(
options.coverdir(), FilePath(path).child("coverage"))



class OptionsTestCase(unittest.TestCase):
"""
Tests for L{trial.Options}.
"""

def setUp(self):
"""
Build an L{Options} object to be used in the tests.
"""
self.options = trial.Options()


def test_getWorkerArguments(self):
"""
C{_getWorkerArguments} discards options like C{random} as they only
matter in the manager, and forwards options like C{recursionlimit} or
C{disablegc}.
"""
self.addCleanup(sys.setrecursionlimit, sys.getrecursionlimit())
if gc.isenabled():
self.addCleanup(gc.enable)

self.options.parseOptions(["--recursionlimit", "2000", "--random",
"4", "--disablegc"])
args = self.options._getWorkerArguments()
self.assertIn("--disablegc", args)
args.remove("--disablegc")
self.assertEqual(["--recursionlimit", "2000"], args)


def test_jobsConflictWithDebug(self):
"""
C{parseOptions} raises a C{UsageError} when C{--debug} is passed along
C{--jobs} as it's not supported yet.

@see: U{http://twistedmatrix.com/trac/ticket/5825}
"""
error = self.assertRaises(
UsageError, self.options.parseOptions, ["--jobs", "4", "--debug"])
self.assertEqual("You can't specify --debug when using --jobs",
str(error))


def test_jobsConflictWithProfile(self):
"""
C{parseOptions} raises a C{UsageError} when C{--profile} is passed
along C{--jobs} as it's not supported yet.

@see: U{http://twistedmatrix.com/trac/ticket/5827}
"""
error = self.assertRaises(
UsageError, self.options.parseOptions,
["--jobs", "4", "--profile"])
self.assertEqual("You can't specify --profile when using --jobs",
str(error))


def test_jobsConflictWithDebugStackTraces(self):
"""
C{parseOptions} raises a C{UsageError} when C{--debug-stacktraces} is
passed along C{--jobs} as it's not supported yet.

@see: U{http://twistedmatrix.com/trac/ticket/5826}
"""
error = self.assertRaises(
UsageError, self.options.parseOptions,
["--jobs", "4", "--debug-stacktraces"])
self.assertEqual(
"You can't specify --debug-stacktraces when using --jobs",
str(error))


def test_jobsConflictWithExitFirst(self):
"""
C{parseOptions} raises a C{UsageError} when C{--exitfirst} is passed
along C{--jobs} as it's not supported yet.

@see: U{http://twistedmatrix.com/trac/ticket/6436}
"""
error = self.assertRaises(
UsageError, self.options.parseOptions,
["--jobs", "4", "--exitfirst"])
self.assertEqual(
"You can't specify --exitfirst when using --jobs",
str(error))


def test_orderConflictWithRandom(self):
"""
C{parseOptions} raises a C{UsageError} when C{--order} is passed along
with C{--random}.
"""
error = self.assertRaises(
UsageError,
self.options.parseOptions,
["--order", "alphabetical", "--random", "1234"])
self.assertEqual("You can't specify --random when using --order",
str(error))



class MakeRunnerTestCase(unittest.TestCase):
"""
Tests for the L{_makeRunner} helper.
"""

def setUp(self):
self.options = trial.Options()

def test_jobs(self):
"""
L{_makeRunner} returns a L{DistTrialRunner} instance when the C{--jobs}
option is passed, and passes the C{workerNumber} and C{workerArguments}
parameters to it.
"""
self.options.parseOptions(["--jobs", "4", "--force-gc"])
runner = trial._makeRunner(self.options)
self.assertIsInstance(runner, DistTrialRunner)
self.assertEqual(4, runner._workerNumber)
self.assertEqual(["--force-gc"], runner._workerArguments)


def test_dryRunWithJobs(self):
"""
L{_makeRunner} returns a L{TrialRunner} instance in C{DRY_RUN} mode
when the C{--dry-run} option is passed, even if C{--jobs} is set.
"""
self.options.parseOptions(["--jobs", "4", "--dry-run"])
runner = trial._makeRunner(self.options)
self.assertIsInstance(runner, TrialRunner)
self.assertEqual(TrialRunner.DRY_RUN, runner.mode)


def test_DebuggerNotFound(self):
namedAny = trial.reflect.namedAny

def namedAnyExceptdoNotFind(fqn):
if fqn == "doNotFind":
raise trial.reflect.ModuleNotFound(fqn)
return namedAny(fqn)

self.patch(trial.reflect, "namedAny", namedAnyExceptdoNotFind)

options = trial.Options()
options.parseOptions(["--debug", "--debugger", "doNotFind"])

self.assertRaises(trial._DebuggerNotFound, trial._makeRunner, options)


def test_exitfirst(self):
"""
Passing C{--exitfirst} wraps the reporter with a
L{reporter._ExitWrapper} that stops on any non-success.
"""
self.options.parseOptions(["--exitfirst"])
runner = trial._makeRunner(self.options)
self.assertTrue(runner._exitFirst)


class TestRun(unittest.TestCase):
"""
Tests for the L{run} function.
"""

def setUp(self):
# don't re-parse cmdline options, because if --reactor was passed to
# the test run trial will try to restart the (already running) reactor
self.patch(trial.Options, "parseOptions", lambda self: None)


def test_debuggerNotFound(self):
"""
When a debugger is not found, an error message is printed to the user.

"""

def _makeRunner(*args, **kwargs):
raise trial._DebuggerNotFound('foo')
self.patch(trial, "_makeRunner", _makeRunner)

try:
trial.run()
except SystemExit as e:
self.assertIn("foo", str(e))
else:
self.fail("Should have exited due to non-existent debugger!")



class TestArgumentOrderTests(unittest.TestCase):
"""
Tests for the order-preserving behavior on provided command-line tests.
"""

def setUp(self):
self.config = trial.Options()
self.loader = TestLoader()


def test_preserveArgumentOrder(self):
"""
Multiple tests passed on the command line are not reordered.
"""
tests = [
"twisted.trial.test.test_tests",
"twisted.trial.test.test_assertions",
"twisted.trial.test.test_deferreds",
]
self.config.parseOptions(tests)

suite = trial._getSuite(self.config)
names = testNames(suite)

expectedSuite = TestSuite(map(self.loader.loadByName, tests))
expectedNames = testNames(expectedSuite)

self.assertEqual(names, expectedNames)



class OrderTests(unittest.TestCase):
"""
Tests for the --order option.
"""
def setUp(self):
self.config = trial.Options()


def test_alphabetical(self):
"""
--order=alphabetical causes trial to run tests alphabetically within
each test case.
"""
self.config.parseOptions([
"--order", "alphabetical",
"twisted.trial.test.ordertests.FooTest"])

loader = trial._getLoader(self.config)
suite = loader.loadByNames(self.config['tests'])

self.assertEqual(
testNames(suite), [
'twisted.trial.test.ordertests.FooTest.test_first',
'twisted.trial.test.ordertests.FooTest.test_fourth',
'twisted.trial.test.ordertests.FooTest.test_second',
'twisted.trial.test.ordertests.FooTest.test_third'])


def test_alphabeticalModule(self):
"""
--order=alphabetical causes trial to run test classes within a given
module alphabetically.
"""
self.config.parseOptions([
"--order", "alphabetical", "twisted.trial.test.ordertests"])
loader = trial._getLoader(self.config)
suite = loader.loadByNames(self.config['tests'])

self.assertEqual(
testNames(suite), [
'twisted.trial.test.ordertests.BarTest.test_bar',
'twisted.trial.test.ordertests.BazTest.test_baz',
'twisted.trial.test.ordertests.FooTest.test_first',
'twisted.trial.test.ordertests.FooTest.test_fourth',
'twisted.trial.test.ordertests.FooTest.test_second',
'twisted.trial.test.ordertests.FooTest.test_third'])


def test_alphabeticalPackage(self):
"""
--order=alphabetical causes trial to run test modules within a given
package alphabetically, with tests within each module alphabetized.
"""
self.config.parseOptions([
"--order", "alphabetical", "twisted.trial.test"])
loader = trial._getLoader(self.config)
suite = loader.loadByNames(self.config['tests'])

names = testNames(suite)
self.assertTrue(names, msg="Failed to load any tests!")
self.assertEqual(names, sorted(names))


def test_toptobottom(self):
"""
--order=toptobottom causes trial to run test methods within a given
test case from top to bottom as they are defined in the body of the
class.
"""
self.config.parseOptions([
"--order", "toptobottom",
"twisted.trial.test.ordertests.FooTest"])

loader = trial._getLoader(self.config)
suite = loader.loadByNames(self.config['tests'])

self.assertEqual(
testNames(suite), [
'twisted.trial.test.ordertests.FooTest.test_first',
'twisted.trial.test.ordertests.FooTest.test_second',
'twisted.trial.test.ordertests.FooTest.test_third',
'twisted.trial.test.ordertests.FooTest.test_fourth'])


def test_toptobottomModule(self):
"""
--order=toptobottom causes trial to run test classes within a given
module from top to bottom as they are defined in the module's source.
"""
self.config.parseOptions([
"--order", "toptobottom", "twisted.trial.test.ordertests"])
loader = trial._getLoader(self.config)
suite = loader.loadByNames(self.config['tests'])

self.assertEqual(
testNames(suite), [
'twisted.trial.test.ordertests.FooTest.test_first',
'twisted.trial.test.ordertests.FooTest.test_second',
'twisted.trial.test.ordertests.FooTest.test_third',
'twisted.trial.test.ordertests.FooTest.test_fourth',
'twisted.trial.test.ordertests.BazTest.test_baz',
'twisted.trial.test.ordertests.BarTest.test_bar'])


def test_toptobottomPackage(self):
"""
--order=toptobottom causes trial to run test modules within a given
package alphabetically, with tests within each module run top to
bottom.
"""
self.config.parseOptions([
"--order", "toptobottom", "twisted.trial.test"])
loader = trial._getLoader(self.config)
suite = loader.loadByNames(self.config['tests'])

names = testNames(suite)
# twisted.trial.test.test_module, so split and key on the first 4 to
# get stable alphabetical sort on those
self.assertEqual(
names, sorted(names, key=lambda name : name.split(".")[:4]),
)


def test_toptobottomMissingSource(self):
"""
--order=toptobottom detects the source line of methods from modules
whose source file is missing.
"""
tempdir = self.mktemp().encode('utf-8')
package = FilePath(tempdir).child(b'twisted_toptobottom_temp')
package.makedirs()
package.child(b'__init__.py').setContent(b'')
package.child(b'test_missing.py').setContent(textwrap.dedent(b'''
from twisted.trial.unittest import TestCase
class TestMissing(TestCase):
def test_second(self): pass
def test_third(self): pass
def test_fourth(self): pass
def test_first(self): pass
'''))
pathEntry = package.parent().path.decode('utf-8')
sys.path.insert(0, pathEntry)
self.addCleanup(sys.path.remove, pathEntry)
from twisted_toptobottom_temp import test_missing
self.addCleanup(sys.modules.pop, 'twisted_toptobottom_temp')
self.addCleanup(sys.modules.pop, test_missing.__name__)
package.child(b'test_missing.py').remove()

self.config.parseOptions([
"--order", "toptobottom", "twisted.trial.test.ordertests"])
loader = trial._getLoader(self.config)
suite = loader.loadModule(test_missing)

self.assertEqual(
testNames(suite), [
'twisted_toptobottom_temp.test_missing.TestMissing.test_second',
'twisted_toptobottom_temp.test_missing.TestMissing.test_third',
'twisted_toptobottom_temp.test_missing.TestMissing.test_fourth',
'twisted_toptobottom_temp.test_missing.TestMissing.test_first'])


def test_unknownOrder(self):
"""
An unknown order passed to --order raises a L{UsageError}.
"""

self.assertRaises(
UsageError, self.config.parseOptions, ["--order", "I don't exist"])



class HelpOrderTests(unittest.TestCase):
"""
Tests for the --help-orders flag.
"""
def test_help_ordersPrintsSynopsisAndQuits(self):
"""
--help-orders prints each of the available orders and then exits.
"""
self.patch(sys, "stdout", StringIO.StringIO())

exc = self.assertRaises(
SystemExit, trial.Options().parseOptions, ["--help-orders"])
self.assertEqual(exc.code, 0)

output = sys.stdout.getvalue()

msg = "%r with its description not properly described in %r"
for orderName, (orderDesc, _) in trial._runOrders.items():
match = re.search(
"%s.*%s" % (re.escape(orderName), re.escape(orderDesc)),
output,
)

self.assertTrue(match, msg=msg % (orderName, output))