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125 lines
4.8 KiB
Python
125 lines
4.8 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.core.management.commands import shell
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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\ndef f():\n print(django.__version__)\nf()"
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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(
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sys.platform == "win32", "Windows select() doesn't support file descriptors."
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)
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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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def test_ipython(self):
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cmd = shell.Command()
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mock_ipython = mock.Mock(start_ipython=mock.MagicMock())
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with mock.patch.dict(sys.modules, {"IPython": mock_ipython}):
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cmd.ipython({})
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self.assertEqual(mock_ipython.start_ipython.mock_calls, [mock.call(argv=[])])
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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(
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CommandError, "Couldn't import ipython interface."
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):
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call_command("shell", interface="ipython")
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def test_bpython(self):
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cmd = shell.Command()
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mock_bpython = mock.Mock(embed=mock.MagicMock())
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with mock.patch.dict(sys.modules, {"bpython": mock_bpython}):
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cmd.bpython({})
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self.assertEqual(mock_bpython.embed.mock_calls, [mock.call()])
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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(
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CommandError, "Couldn't import bpython interface."
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):
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call_command("shell", interface="bpython")
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def test_python(self):
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cmd = shell.Command()
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mock_code = mock.Mock(interact=mock.MagicMock())
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with mock.patch.dict(sys.modules, {"code": mock_code}):
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cmd.python({"no_startup": True})
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self.assertEqual(mock_code.interact.mock_calls, [mock.call(local={})])
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# [1] Patch select to prevent tests failing 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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