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# -*- coding: utf-8 -*-
import ast
import pytest
import shutil
import sys
from io import StringIO
from pathlib import Path
from django.core.management import call_command
from django.test import TestCase, override_settings
from .testapp.models import Name, Note, Person, Club
class DumpScriptTests(TestCase):
def setUp(self):
sys.stdout = StringIO()
sys.stderr = StringIO()
@pytest.mark.xfail
def test_runs(self):
# lame test...does it run?
n = Name(name="Gabriel")
n.save()
call_command("dumpscript", "django_extensions")
self.assertTrue("Gabriel" in sys.stdout.getvalue())
@pytest.mark.xfail
def test_replaced_stdout(self):
# check if stdout can be replaced
sys.stdout = StringIO()
n = Name(name="Mike")
n.save()
tmp_out = StringIO()
call_command("dumpscript", "django_extensions", stdout=tmp_out)
self.assertTrue("Mike" in tmp_out.getvalue()) # script should go to tmp_out
self.assertEqual(
0, len(sys.stdout.getvalue())
) # there should not be any output to sys.stdout
tmp_out.close()
@pytest.mark.xfail
def test_replaced_stderr(self):
# check if stderr can be replaced, without changing stdout
n = Name(name="Fred")
n.save()
tmp_err = StringIO()
sys.stderr = StringIO()
call_command("dumpscript", "django_extensions", stderr=tmp_err)
self.assertTrue(
"Fred" in sys.stdout.getvalue()
) # script should still go to stdout
self.assertTrue(
"Name" in tmp_err.getvalue()
) # error output should go to tmp_err
self.assertEqual(
0, len(sys.stderr.getvalue())
) # there should not be any output to sys.stderr
tmp_err.close()
@pytest.mark.xfail
def test_valid_syntax(self):
n1 = Name(name="John")
n1.save()
p1 = Person(name=n1, age=40)
p1.save()
n2 = Name(name="Jane")
n2.save()
p2 = Person(name=n2, age=18)
p2.save()
p2.children.add(p1)
note1 = Note(note="This is the first note.")
note1.save()
note2 = Note(note="This is the second note.")
note2.save()
p2.notes.add(note1, note2)
tmp_out = StringIO()
call_command("dumpscript", "django_extensions", stdout=tmp_out)
ast_syntax_tree = ast.parse(tmp_out.getvalue())
if hasattr(ast_syntax_tree, "body"):
self.assertTrue(len(ast_syntax_tree.body) > 1)
else:
self.assertTrue(len(ast_syntax_tree.asList()) > 1)
tmp_out.close()
@override_settings(TIME_ZONE="Asia/Seoul")
@pytest.mark.xfail
def test_with_datetimefield(self):
django = Club.objects.create(name="Club Django")
Note.objects.create(
note="Django Tips",
club=django,
)
dumpscript_path = Path(__file__).parent.parent / "django_extensions" / "scripts"
dumpscript_path.mkdir(parents=True, exist_ok=True)
# Delete dumpscript at the end of the test
self.addCleanup(shutil.rmtree, dumpscript_path)
# This script will have a dateutil codes.
# e.g. importer.locate_object(...,
# 'date_joined': dateutil.parser.parse("2019-05-20T03:32:27.144586+09:00")
with (dumpscript_path / "test.py").open("wt") as test:
call_command("dumpscript", "django_extensions", stdout=test)
# Check dumpscript without exception
call_command("runscript", "test")
# Check if Note is duplicated
self.assertEqual(Note.objects.filter(note="Django Tips").count(), 2)
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