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import sys
import unittest
from django.contrib.auth.models import User
from django.db import IntegrityError, transaction
from django.http import HttpResponse
from django.test.utils import override_settings
from debug_toolbar.panels.profiling import ProfilingPanel
from ..base import BaseTestCase, IntegrationTestCase
from ..views import listcomp_view, regular_view
@override_settings(
DEBUG_TOOLBAR_PANELS=["debug_toolbar.panels.profiling.ProfilingPanel"]
)
class ProfilingPanelTestCase(BaseTestCase):
panel_id = ProfilingPanel.panel_id
def test_regular_view(self):
self._get_response = lambda request: regular_view(request, "profiling")
response = self.panel.process_request(self.request)
self.panel.generate_stats(self.request, response)
self.assertIn("func_list", self.panel.get_stats())
self.assertIn("regular_view", self.panel.content)
def test_insert_content(self):
"""
Test that the panel only inserts content after generate_stats and
not the process_request.
"""
self._get_response = lambda request: regular_view(request, "profiling")
response = self.panel.process_request(self.request)
# ensure the panel does not have content yet.
self.assertNotIn("regular_view", self.panel.content)
self.panel.generate_stats(self.request, response)
self.reload_stats()
# ensure the panel renders correctly.
content = self.panel.content
self.assertIn("regular_view", content)
self.assertIn("render", content)
self.assertValidHTML(content)
# ensure traces aren't escaped
self.assertIn('<span class="djdt-path">', content)
@override_settings(DEBUG_TOOLBAR_CONFIG={"PROFILER_THRESHOLD_RATIO": 1})
def test_cum_time_threshold(self):
"""
Test that cumulative time threshold excludes calls
"""
self._get_response = lambda request: regular_view(request, "profiling")
response = self.panel.process_request(self.request)
self.panel.generate_stats(self.request, response)
# ensure the panel renders but doesn't include our function.
content = self.panel.content
self.assertIn("regular_view", content)
self.assertNotIn("render", content)
self.assertValidHTML(content)
@unittest.skipUnless(
sys.version_info < (3, 12, 0),
"Python 3.12 no longer contains a frame for list comprehensions.",
)
def test_listcomp_escaped(self):
self._get_response = lambda request: listcomp_view(request)
response = self.panel.process_request(self.request)
self.panel.generate_stats(self.request, response)
content = self.panel.content
self.assertNotIn('<span class="djdt-func"><listcomp></span>', content)
self.assertIn('<span class="djdt-func"><listcomp></span>', content)
def test_generate_stats_no_profiler(self):
"""
Test generating stats with no profiler.
"""
response = HttpResponse()
self.assertIsNone(self.panel.generate_stats(self.request, response))
def test_generate_stats_no_root_func(self):
"""
Test generating stats using profiler without root function.
"""
response = self.panel.process_request(self.request)
self.panel.profiler.clear()
self.panel.profiler.enable()
self.panel.profiler.disable()
self.panel.generate_stats(self.request, response)
self.assertNotIn("func_list", self.panel.get_stats())
@override_settings(
DEBUG=True, DEBUG_TOOLBAR_PANELS=["debug_toolbar.panels.profiling.ProfilingPanel"]
)
class ProfilingPanelIntegrationTestCase(IntegrationTestCase):
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), transaction.atomic():
response = self.client.get("/new_user/")
self.assertEqual(User.objects.count(), 1)
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