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94 lines
3.9 KiB
Python
94 lines
3.9 KiB
Python
import sys
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import unittest
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from unittest import mock
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from django import __version__
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from django.core.management import CommandError, call_command
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from django.test import SimpleTestCase
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from django.test.utils import captured_stdin, captured_stdout
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class ShellCommandTestCase(SimpleTestCase):
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script_globals = 'print("__name__" in globals())'
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script_with_inline_function = (
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'import django\n'
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'def f():\n'
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' print(django.__version__)\n'
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'f()'
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)
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def test_command_option(self):
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with self.assertLogs('test', 'INFO') as cm:
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call_command(
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'shell',
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command=(
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'import django; from logging import getLogger; '
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'getLogger("test").info(django.__version__)'
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),
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)
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self.assertEqual(cm.records[0].getMessage(), __version__)
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def test_command_option_globals(self):
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with captured_stdout() as stdout:
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call_command('shell', command=self.script_globals)
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self.assertEqual(stdout.getvalue().strip(), 'True')
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def test_command_option_inline_function_call(self):
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with captured_stdout() as stdout:
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call_command('shell', command=self.script_with_inline_function)
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self.assertEqual(stdout.getvalue().strip(), __version__)
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@unittest.skipIf(sys.platform == 'win32', "Windows select() doesn't support file descriptors.")
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@mock.patch('django.core.management.commands.shell.select')
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def test_stdin_read(self, select):
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with captured_stdin() as stdin, captured_stdout() as stdout:
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stdin.write('print(100)\n')
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stdin.seek(0)
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call_command('shell')
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self.assertEqual(stdout.getvalue().strip(), '100')
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@unittest.skipIf(
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sys.platform == 'win32',
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"Windows select() doesn't support file descriptors.",
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)
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@mock.patch('django.core.management.commands.shell.select') # [1]
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def test_stdin_read_globals(self, select):
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with captured_stdin() as stdin, captured_stdout() as stdout:
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stdin.write(self.script_globals)
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stdin.seek(0)
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call_command('shell')
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self.assertEqual(stdout.getvalue().strip(), 'True')
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@unittest.skipIf(
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sys.platform == 'win32',
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"Windows select() doesn't support file descriptors.",
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)
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@mock.patch('django.core.management.commands.shell.select') # [1]
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def test_stdin_read_inline_function_call(self, select):
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with captured_stdin() as stdin, captured_stdout() as stdout:
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stdin.write(self.script_with_inline_function)
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stdin.seek(0)
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call_command('shell')
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self.assertEqual(stdout.getvalue().strip(), __version__)
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@mock.patch('django.core.management.commands.shell.select.select') # [1]
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@mock.patch.dict('sys.modules', {'IPython': None})
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def test_shell_with_ipython_not_installed(self, select):
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select.return_value = ([], [], [])
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with self.assertRaisesMessage(CommandError, "Couldn't import ipython interface."):
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call_command('shell', interface='ipython')
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@mock.patch('django.core.management.commands.shell.select.select') # [1]
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@mock.patch.dict('sys.modules', {'bpython': None})
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def test_shell_with_bpython_not_installed(self, select):
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select.return_value = ([], [], [])
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with self.assertRaisesMessage(CommandError, "Couldn't import bpython interface."):
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call_command('shell', interface='bpython')
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# [1] Patch select to prevent tests failing when when the test suite is run
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# in parallel mode. The tests are run in a subprocess and the subprocess's
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# stdin is closed and replaced by /dev/null. Reading from /dev/null always
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# returns EOF and so select always shows that sys.stdin is ready to read.
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# This causes problems because of the call to select.select() toward the
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# end of shell's handle() method.
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