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	Kept support for creating models without migrations when running tests (especially for Django's test suite).
		
			
				
	
	
		
			104 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """
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| A series of tests to establish that the command-line bash completion works.
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| """
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| import os
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| import sys
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| import unittest
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| 
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| from django.apps import apps
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| from django.core.management import ManagementUtility
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| from django.test.utils import captured_stdout
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| 
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| 
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| class BashCompletionTests(unittest.TestCase):
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|     """
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|     Testing the Python level bash completion code.
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|     This requires setting up the environment as if we got passed data
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|     from bash.
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|     """
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| 
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|     def setUp(self):
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|         self.old_DJANGO_AUTO_COMPLETE = os.environ.get('DJANGO_AUTO_COMPLETE')
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|         os.environ['DJANGO_AUTO_COMPLETE'] = '1'
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| 
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|     def tearDown(self):
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|         if self.old_DJANGO_AUTO_COMPLETE:
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|             os.environ['DJANGO_AUTO_COMPLETE'] = self.old_DJANGO_AUTO_COMPLETE
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|         else:
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|             del os.environ['DJANGO_AUTO_COMPLETE']
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| 
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|     def _user_input(self, input_str):
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|         """
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|         Set the environment and the list of command line arguments.
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| 
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|         This sets the bash variables $COMP_WORDS and $COMP_CWORD. The former is
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|         an array consisting of the individual words in the current command
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|         line, the latter is the index of the current cursor position, so in
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|         case a word is completed and the cursor is placed after a whitespace,
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|         $COMP_CWORD must be incremented by 1:
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| 
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|           * 'django-admin start' -> COMP_CWORD=1
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|           * 'django-admin startproject' -> COMP_CWORD=1
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|           * 'django-admin startproject ' -> COMP_CWORD=2
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|         """
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|         os.environ['COMP_WORDS'] = input_str
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|         idx = len(input_str.split(' ')) - 1  # Index of the last word
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|         comp_cword = idx + 1 if input_str.endswith(' ') else idx
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|         os.environ['COMP_CWORD'] = str(comp_cword)
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|         sys.argv = input_str.split()
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| 
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|     def _run_autocomplete(self):
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|         util = ManagementUtility(argv=sys.argv)
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|         with captured_stdout() as stdout:
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|             try:
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|                 util.autocomplete()
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|             except SystemExit:
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|                 pass
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|         return stdout.getvalue().strip().split('\n')
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| 
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|     def test_django_admin_py(self):
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|         "django_admin.py will autocomplete option flags"
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|         self._user_input('django-admin sqlmigrate --verb')
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|         output = self._run_autocomplete()
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|         self.assertEqual(output, ['--verbosity='])
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| 
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|     def test_manage_py(self):
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|         "manage.py will autocomplete option flags"
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|         self._user_input('manage.py sqlmigrate --verb')
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|         output = self._run_autocomplete()
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|         self.assertEqual(output, ['--verbosity='])
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| 
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|     def test_custom_command(self):
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|         "A custom command can autocomplete option flags"
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|         self._user_input('django-admin test_command --l')
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|         output = self._run_autocomplete()
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|         self.assertEqual(output, ['--list'])
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| 
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|     def test_subcommands(self):
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|         "Subcommands can be autocompleted"
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|         self._user_input('django-admin sql')
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|         output = self._run_autocomplete()
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|         self.assertEqual(output, ['sqlflush sqlmigrate sqlsequencereset'])
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| 
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|     def test_completed_subcommand(self):
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|         "Show option flags in case a subcommand is completed"
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|         self._user_input('django-admin startproject ')  # Trailing whitespace
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|         output = self._run_autocomplete()
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|         for item in output:
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|             self.assertTrue(item.startswith('--'))
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| 
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|     def test_help(self):
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|         "No errors, just an empty list if there are no autocomplete options"
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|         self._user_input('django-admin help --')
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|         output = self._run_autocomplete()
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|         self.assertEqual(output, [''])
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| 
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|     def test_app_completion(self):
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|         "Application names will be autocompleted for an AppCommand"
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|         self._user_input('django-admin sqlmigrate a')
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|         output = self._run_autocomplete()
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|         a_labels = sorted(app_config.label
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|             for app_config in apps.get_app_configs()
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|             if app_config.label.startswith('a'))
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|         self.assertEqual(output, a_labels)
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