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"""
A series of tests to establish that the command-line bash completion works.
"""
import os
import sys
import unittest
from django.apps import apps
from django.core.management import ManagementUtility
from django.utils.six import StringIO
class BashCompletionTests(unittest.TestCase):
"""
Testing the Python level bash completion code.
This requires setting up the environment as if we got passed data
from bash.
"""
def setUp(self):
self.old_DJANGO_AUTO_COMPLETE = os.environ.get('DJANGO_AUTO_COMPLETE')
os.environ['DJANGO_AUTO_COMPLETE'] = '1'
self.output = StringIO()
self.old_stdout = sys.stdout
sys.stdout = self.output
def tearDown(self):
sys.stdout = self.old_stdout
if self.old_DJANGO_AUTO_COMPLETE:
os.environ['DJANGO_AUTO_COMPLETE'] = self.old_DJANGO_AUTO_COMPLETE
else:
del os.environ['DJANGO_AUTO_COMPLETE']
def _user_input(self, input_str):
os.environ['COMP_WORDS'] = input_str
os.environ['COMP_CWORD'] = str(len(input_str.split()) - 1)
sys.argv = input_str.split(' ')
def _run_autocomplete(self):
util = ManagementUtility(argv=sys.argv)
try:
util.autocomplete()
except SystemExit:
pass
return self.output.getvalue().strip().split('\n')
def test_django_admin_py(self):
"django_admin.py will autocomplete option flags"
self._user_input('django-admin.py sqlall --v')
output = self._run_autocomplete()
self.assertEqual(output, ['--verbosity='])
def test_manage_py(self):
"manage.py will autocomplete option flags"
self._user_input('manage.py sqlall --v')
output = self._run_autocomplete()
self.assertEqual(output, ['--verbosity='])
def test_custom_command(self):
"A custom command can autocomplete option flags"
self._user_input('django-admin.py test_command --l')
output = self._run_autocomplete()
self.assertEqual(output, ['--list'])
def test_subcommands(self):
"Subcommands can be autocompleted"
self._user_input('django-admin.py sql')
output = self._run_autocomplete()
self.assertEqual(output, ['sql sqlall sqlclear sqlcustom sqldropindexes sqlflush sqlindexes sqlinitialdata sqlmigrate sqlsequencereset'])
def test_help(self):
"No errors, just an empty list if there are no autocomplete options"
self._user_input('django-admin.py help --')
output = self._run_autocomplete()
self.assertEqual(output, [''])
def test_runfcgi(self):
"Command arguments will be autocompleted"
self._user_input('django-admin.py runfcgi h')
output = self._run_autocomplete()
self.assertEqual(output, ['host='])
def test_app_completion(self):
"Application names will be autocompleted for an AppCommand"
self._user_input('django-admin.py sqlall a')
output = self._run_autocomplete()
a_labels = sorted(app_config.label
for app_config in apps.get_app_configs()
if app_config.label.startswith('a'))
self.assertEqual(output, a_labels)
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