# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
#
# Maintainer: Jonathan Lange

"""
Tests for L{twisted.plugins.twisted_trial}.
"""

from twisted.plugin import getPlugins
from twisted.trial import unittest
from twisted.trial.itrial import IReporter


class TestPlugins(unittest.SynchronousTestCase):
"""
Tests for Trial's reporter plugins.
"""

def getPluginsByLongOption(self, longOption):
"""
Return the Trial reporter plugin with the given long option.

If more than one is found, raise ValueError. If none are found, raise
IndexError.
"""
plugins = [
plugin for plugin in getPlugins(IReporter)
if plugin.longOpt == longOption]
if len(plugins) > 1:
raise ValueError(
"More than one plugin found with long option %r: %r"
% (longOption, plugins))
return plugins[0]


def test_subunitPlugin(self):
"""
One of the reporter plugins is the subunit reporter plugin.
"""
subunitPlugin = self.getPluginsByLongOption('subunit')
self.assertEqual('Subunit Reporter', subunitPlugin.name)
self.assertEqual('twisted.trial.reporter', subunitPlugin.module)
self.assertEqual('subunit', subunitPlugin.longOpt)
self.assertIdentical(None, subunitPlugin.shortOpt)
self.assertEqual('SubunitReporter', subunitPlugin.klass)