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# -*- coding: utf-8 -*-
import os
import re
import pytest
import inspect
from textwrap import dedent
from django.core.management import call_command
from django.db.models import Model
from django.test import override_settings
from django_extensions.management.commands import shell_plus
def test_shell_plus_command(capsys):
script = dedent(
"""\
def _fn(x): return x * 2
print([_fn(i) for i in range(10)])
"""
)
call_command("shell_plus", "--command=" + script)
out, err = capsys.readouterr()
assert out.rstrip().endswith(repr([i * 2 for i in range(10)]))
@pytest.mark.django_db()
@override_settings(SHELL_PLUS_SQLPARSE_ENABLED=False, SHELL_PLUS_PYGMENTS_ENABLED=False)
def test_shell_plus_print_sql(capsys):
try:
from django.db import connection
from django.db.backends import utils
CursorDebugWrapper = utils.CursorDebugWrapper
force_debug_cursor = True if connection.force_debug_cursor else False
call_command(
"shell_plus",
"--plain",
"--print-sql",
"--command=User.objects.all().exists()",
)
finally:
utils.CursorDebugWrapper = CursorDebugWrapper
connection.force_debug_cursor = force_debug_cursor
out, err = capsys.readouterr()
assert re.search(r"SELECT\s+.+\s+FROM\s+.auth_user.\s+LIMIT\s+1", out)
@pytest.mark.django_db()
@override_settings(SHELL_PLUS_SQLPARSE_ENABLED=False, SHELL_PLUS_PYGMENTS_ENABLED=False)
def test_shell_plus_print_sql_truncate(capsys):
try:
from django.db import connection
from django.db.backends import utils
CursorDebugWrapper = utils.CursorDebugWrapper
force_debug_cursor = True if connection.force_debug_cursor else False
call_command(
"shell_plus",
"--plain",
"--print-sql",
"--truncate-sql=0",
"--command=User.objects.all().exists()",
)
finally:
utils.CursorDebugWrapper = CursorDebugWrapper
connection.force_debug_cursor = force_debug_cursor
out, err = capsys.readouterr()
assert re.search(r"SELECT\s+.+\s+FROM\s+.auth_user.\s+LIMIT\s+1", out)
try:
from django.db import connection
from django.db.backends import utils
CursorDebugWrapper = utils.CursorDebugWrapper
force_debug_cursor = True if connection.force_debug_cursor else False
call_command(
"shell_plus",
"--plain",
"--print-sql",
"--truncate-sql=4",
"--command=User.objects.all().exists()",
)
finally:
utils.CursorDebugWrapper = CursorDebugWrapper
connection.force_debug_cursor = force_debug_cursor
out, err = capsys.readouterr()
assert re.search(r"SELE", out)
assert not re.search(r"SELEC", out)
def test_shell_plus_plain_startup():
command = shell_plus.Command()
command.tests_mode = True
parser = command.create_parser("test", "shell_plus")
args = ["--plain"]
options = parser.parse_args(args=args)
retcode = command.handle(**vars(options))
assert retcode == 130
def test_shell_plus_plain_startup_with_pythonrc(monkeypatch):
command = shell_plus.Command()
command.tests_mode = True
parser = command.create_parser("test", "shell_plus")
args = ["--plain", "--use-pythonrc"]
options = parser.parse_args(args=args)
tests_dir = os.path.dirname(
os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
)
pythonrc_file = os.path.join(tests_dir, "pythonrc.py")
assert os.path.isfile(pythonrc_file)
monkeypatch.setenv("PYTHONSTARTUP", pythonrc_file)
retcode = command.handle(**vars(options))
assert retcode == 130
imported_objects = command.tests_imported_objects
assert "pythonrc_test_func" in imported_objects
assert imported_objects["pythonrc_test_func"]() == "pythonrc was loaded"
def test_shell_plus_plain_loading_standard_django_imports(monkeypatch):
command = shell_plus.Command()
command.tests_mode = True
parser = command.create_parser("test", "shell_plus")
args = ["--plain"]
options = parser.parse_args(args=args)
retcode = command.handle(**vars(options))
assert retcode == 130
imported_objects = command.tests_imported_objects
assert "get_user_model" in imported_objects
assert "settings" in imported_objects
assert "timezone" in imported_objects
def test_shell_plus_plain_loading_django_extensions_modules(monkeypatch):
command = shell_plus.Command()
command.tests_mode = True
parser = command.create_parser("test", "shell_plus")
args = ["--plain"]
options = parser.parse_args(args=args)
retcode = command.handle(**vars(options))
assert retcode == 130
imported_objects = command.tests_imported_objects
assert "Club" in imported_objects
assert "UniqueTestAppModel" in imported_objects
assert "RandomCharTestModel" in imported_objects
def assert_should_models_be_imported(should_be, cli_arguments=None):
command = shell_plus.Command()
objs = command.get_imported_objects(cli_arguments or {})
imported_models = filter(
lambda imported: inspect.isclass(imported) and issubclass(imported, Model),
objs.values(),
)
assert bool(list(imported_models)) == should_be
def test_shell_plus_loading_models():
assert_should_models_be_imported(True)
def test_shell_plus_skipping_models_import_cli():
assert_should_models_be_imported(False, cli_arguments={"dont_load": ["*"]})
@override_settings(SHELL_PLUS_DONT_LOAD=["*"])
def test_shell_plus_skipping_models_import_settings():
assert_should_models_be_imported(False)
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