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from __future__ import unicode_literals
from django.contrib.auth.models import User
from django.db import IntegrityError, transaction
from django.test import TestCase
from django.test.utils import override_settings
from django.utils import unittest
try:
import line_profiler
except ImportError:
line_profiler = None
from debug_toolbar.panels import profiling
from ..base import BaseTestCase
from ..views import regular_view
@override_settings(DEBUG_TOOLBAR_PANELS=['debug_toolbar.panels.profiling.ProfilingDebugPanel'])
class ProfilingPanelTestCase(BaseTestCase):
def setUp(self):
super(ProfilingPanelTestCase, self).setUp()
self.panel = self.toolbar.get_panel_by_id('ProfilingDebugPanel')
def _test_render_with_or_without_line_profiler(self):
self.panel.process_view(self.request, regular_view, ('profiling',), {})
self.panel.process_response(self.request, self.response)
self.assertIn('func_list', self.panel.get_stats())
self.assertIn('regular_view', self.panel.content())
@unittest.skipIf(line_profiler is None, "line_profiler isn't available")
def test_render_with_line_profiler(self):
self._test_render_with_or_without_line_profiler()
def test_without_line_profiler(self):
_use_line_profiler = profiling.DJ_PROFILE_USE_LINE_PROFILER
profiling.DJ_PROFILE_USE_LINE_PROFILER = False
try:
self._test_render_with_or_without_line_profiler()
finally:
profiling.DJ_PROFILE_USE_LINE_PROFILER = _use_line_profiler
@override_settings(DEBUG=True,
DEBUG_TOOLBAR_PANELS=['debug_toolbar.panels.profiling.ProfilingDebugPanel'])
class ProfilingPanelIntegrationTestCase(TestCase):
def test_view_executed_once(self):
self.assertEqual(User.objects.count(), 0)
response = self.client.get('/new_user/')
self.assertContains(response, 'Profiling')
self.assertEqual(User.objects.count(), 1)
with self.assertRaises(IntegrityError):
if hasattr(transaction, 'atomic'): # Django >= 1.6
with transaction.atomic():
response = self.client.get('/new_user/')
else:
response = self.client.get('/new_user/')
self.assertEqual(User.objects.count(), 1)
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