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			472 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			472 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env python3
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| 
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| # check for the venv
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| from lib import sanity_check
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| 
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| sanity_check.check_venv(__file__)
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| 
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| import argparse
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| import contextlib
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| import glob
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| import os
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| import shlex
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| import subprocess
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| import sys
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| import tempfile
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| from typing import Iterator, List
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| from unittest import mock
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| 
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| import django
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| import orjson
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| import responses
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| from django.conf import settings
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| from django.test.utils import get_runner
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| 
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| target_fully_covered = {path for target in [
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|     'analytics/lib/*.py',
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|     'analytics/models.py',
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|     'analytics/tests/*.py',
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|     'analytics/views.py',
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|     # zerver/ and zerver/lib/ are important core files
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|     'zerver/*.py',
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|     'zerver/lib/*.py',
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|     'zerver/lib/*/*.py',
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|     'zerver/lib/*/*/*.py',
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|     'zerver/data_import/*.py',
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|     'zerver/templatetags/*.py',
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|     'zerver/tornado/*.py',
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|     # Billing files require 100% test coverage
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|     'corporate/lib/stripe.py',
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|     'corporate/views.py',
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|     # Test files should have 100% coverage; test code that isn't run
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|     # is likely a bug in the test.
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|     'zerver/tests/*.py',
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|     'corporate/tests/*.py',
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|     # As a project, we require 100% test coverage in the views files.
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|     'zerver/views/*.py',
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|     'zproject/backends.py',
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|     'confirmation/*.py',
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|     'zerver/webhooks/*/*.py',
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|     # Once we have a nice negative tests system, we can add these:
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|     # 'zerver/webhooks/*/*.py',
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|     # 'zerver/webhooks/*/*/*.py',
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|     'zerver/worker/*.py',
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| ] for path in glob.glob(target)}
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| 
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| not_yet_fully_covered = {path for target in [
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|     # Analytics fixtures library is used to generate test fixtures;
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|     # isn't properly accounted for in test coverage analysis since it
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|     # runs before tests.
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|     'analytics/lib/fixtures.py',
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|     # We have 100% coverage on the new stuff; need to refactor old stuff.
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|     'analytics/views.py',
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|     # Major lib files should have 100% coverage
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|     'zerver/lib/addressee.py',
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|     'zerver/lib/markdown/__init__.py',
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|     'zerver/lib/cache.py',
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|     'zerver/lib/cache_helpers.py',
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|     'zerver/lib/i18n.py',
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|     'zerver/lib/email_notifications.py',
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|     'zerver/lib/send_email.py',
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|     'zerver/lib/url_preview/preview.py',
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|     'zerver/worker/queue_processors.py',
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|     # Markdown sub-libs should have full coverage too; a lot are really close
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|     'zerver/lib/markdown/api_arguments_table_generator.py',
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|     'zerver/lib/markdown/fenced_code.py',
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|     'zerver/lib/markdown/help_relative_links.py',
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|     'zerver/lib/markdown/nested_code_blocks.py',
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|     # Other lib files that ideally would coverage, but aren't sorted
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|     'zerver/__init__.py',
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|     'zerver/filters.py',
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|     'zerver/middleware.py',
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|     'zerver/lib/bot_lib.py',
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|     'zerver/lib/camo.py',
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|     'zerver/lib/debug.py',
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|     'zerver/lib/digest.py',
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|     'zerver/lib/error_notify.py',
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|     'zerver/lib/export.py',
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|     'zerver/lib/fix_unreads.py',
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|     'zerver/lib/html_diff.py',
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|     'zerver/lib/import_realm.py',
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|     'zerver/lib/logging_util.py',
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|     'zerver/lib/migrate.py',
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|     'zerver/lib/outgoing_webhook.py',
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|     'zerver/lib/parallel.py',
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|     'zerver/lib/profile.py',
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|     'zerver/lib/queue.py',
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|     'zerver/lib/sqlalchemy_utils.py',
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|     'zerver/lib/storage.py',
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|     'zerver/lib/timeout.py',
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|     'zerver/lib/unminify.py',
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|     'zerver/lib/utils.py',
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|     'zerver/lib/zephyr.py',
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|     'zerver/templatetags/app_filters.py',
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|     'zerver/templatetags/minified_js.py',
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|     # Low priority for coverage
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|     'zerver/lib/ccache.py',
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|     'zerver/lib/generate_test_data.py',
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|     'zerver/lib/server_initialization.py',
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|     'zerver/lib/test_fixtures.py',
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|     'zerver/lib/test_runner.py',
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|     'zerver/openapi/python_examples.py',
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|     # Tornado should ideally have full coverage, but we're not there.
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|     'zerver/tornado/autoreload.py',
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|     'zerver/tornado/descriptors.py',
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|     'zerver/tornado/django_api.py',
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|     'zerver/tornado/event_queue.py',
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|     'zerver/tornado/exceptions.py',
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|     'zerver/tornado/handlers.py',
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|     'zerver/tornado/ioloop_logging.py',
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|     'zerver/tornado/sharding.py',
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|     'zerver/tornado/views.py',
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|     # Data import files; relatively low priority
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|     'zerver/data_import/hipchat*.py',
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|     'zerver/data_import/sequencer.py',
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|     'zerver/data_import/slack.py',
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|     'zerver/data_import/gitter.py',
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|     'zerver/data_import/import_util.py',
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|     # Webhook integrations with incomplete coverage
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|     'zerver/webhooks/greenhouse/view.py',
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|     'zerver/webhooks/jira/view.py',
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|     'zerver/webhooks/librato/view.py',
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|     'zerver/webhooks/pivotal/view.py',
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|     'zerver/webhooks/semaphore/view.py',
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|     'zerver/webhooks/solano/view.py',
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|     'zerver/webhooks/teamcity/view.py',
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|     'zerver/webhooks/travis/view.py',
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|     'zerver/webhooks/zapier/view.py',
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| ] for path in glob.glob(target)}
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| 
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| enforce_fully_covered = sorted(target_fully_covered - not_yet_fully_covered)
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| 
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| FAILED_TEST_PATH = 'var/last_test_failure.json'
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| 
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| def get_failed_tests() -> List[str]:
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|     try:
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|         with open(FAILED_TEST_PATH, "rb") as f:
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|             return orjson.loads(f.read())
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|     except OSError:
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|         print("var/last_test_failure.json doesn't exist; running all tests.")
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|         return []
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| 
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| def write_failed_tests(failed_tests: List[str]) -> None:
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|     if failed_tests:
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|         with open(FAILED_TEST_PATH, 'wb') as f:
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|             f.write(orjson.dumps(failed_tests))
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| 
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| @contextlib.contextmanager
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| def block_internet() -> Iterator[None]:
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|     # Monkey-patching - responses library raises requests.ConnectionError when access to an unregistered URL
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|     # is attempted. We want to replace that with our own exception, so that it propagates all the way:
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|     with mock.patch.object(responses, 'ConnectionError', new=ZulipInternetBlockedError):
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|         # We'll run all tests in this context manager. It'll cause an error to be raised (see above comment),
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|         # if any code attempts to access the internet.
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|         with responses.RequestsMock():
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|             yield
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| 
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| class ZulipInternetBlockedError(Exception):
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|     def __init__(self, original_msg: str) -> None:
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|         zulip_msg = (
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|             "Outgoing network requests are not allowed in the Zulip tests. "
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|             "More details and advice are available here:"
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|             "https://zulip.readthedocs.io/en/latest/testing/testing.html#internet-access-inside-test-suites"
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|         )
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|         msg = f"{zulip_msg}\nResponses library error message: {original_msg}"
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|         super().__init__(msg)
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| 
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| def main() -> None:
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|     TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
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|     os.chdir(os.path.dirname(TOOLS_DIR))
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|     sys.path.insert(0, os.path.dirname(TOOLS_DIR))
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| 
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|     default_parallel = os.cpu_count()
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| 
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|     # Remove proxy settings for running backend tests
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|     os.environ.pop("http_proxy", "")
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|     os.environ.pop("https_proxy", "")
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| 
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|     from tools.lib.test_script import assert_provisioning_status_ok
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|     from zerver.lib.test_fixtures import (
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|         remove_test_run_directories,
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|         update_test_databases_if_required,
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|     )
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| 
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|     os.environ['DJANGO_SETTINGS_MODULE'] = 'zproject.test_settings'
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|     # "-u" uses unbuffered IO, which is important when wrapping it in subprocess
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|     os.environ['PYTHONUNBUFFERED'] = 'y'
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| 
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|     usage = """test-backend [options]
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|     test-backend # Runs all backend tests
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|     test-backend zerver.tests.test_markdown # run all tests in a test module
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|     test-backend zerver/tests/test_markdown.py # run all tests in a test module
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|     test-backend test_markdown # run all tests in a test module
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|     test-backend zerver.tests.test_markdown.MarkdownTest # run all tests in a test class
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|     test-backend MarkdownTest # run all tests in a test class
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|     test-backend zerver.tests.test_markdown.MarkdownTest.test_inline_youtube # run a single test
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|     test-backend MarkdownTest.test_inline_youtube # run a single test"""
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| 
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|     parser = argparse.ArgumentParser(description=usage,
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|                                      formatter_class=argparse.RawTextHelpFormatter)
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| 
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|     parser.add_argument('--nonfatal-errors', action="store_false", default=True,
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|                         dest="fatal_errors", help="Continue past test failures to run all tests")
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|     parser.add_argument('--coverage', dest='coverage',
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|                         action="store_true",
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|                         default=False,
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|                         help='Compute test coverage.')
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|     parser.add_argument('--verbose-coverage', dest='verbose_coverage',
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|                         action="store_true",
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|                         default=False, help='Enable verbose print of coverage report.')
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|     parser.add_argument('--no-cov-cleanup', dest='no_cov_cleanup',
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|                         action='store_true',
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|                         default=False,
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|                         help="Do not clean generated coverage files.")
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| 
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|     parser.add_argument('--parallel', dest='processes',
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|                         type=int,
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|                         action='store',
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|                         default=default_parallel,
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|                         help='Specify the number of processes to run the '
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|                              'tests in. Default is the number of logical CPUs')
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|     parser.add_argument('--profile', dest='profile',
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|                         action="store_true",
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|                         default=False, help='Profile test runtime.')
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|     parser.add_argument('--force', dest='force',
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|                         action="store_true",
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|                         default=False, help='Run tests despite possible problems.')
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|     parser.add_argument('--no-shallow', dest='no_shallow',
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|                         action="store_true",
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|                         default=False,
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|                         help="Don't allow shallow testing of templates (deprecated)")
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|     parser.add_argument('--verbose', dest='verbose',
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|                         action="store_true",
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|                         default=False,
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|                         help="Show detailed output")
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|     parser.add_argument('--reverse', dest='reverse',
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|                         action="store_true",
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|                         default=False,
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|                         help="Run tests in reverse order.")
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|     parser.add_argument('--rerun', dest="rerun",
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|                         action="store_true",
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|                         default=False,
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|                         help=("Run the tests which failed the last time "
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|                               "test-backend was run.  Implies --nonfatal-errors."))
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|     parser.add_argument('--include-webhooks', dest="include_webhooks",
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|                         action="store_true",
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|                         default=False,
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|                         help=("Include webhook tests.  By default, they are skipped for performance."))
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|     parser.add_argument('--generate-stripe-fixtures', dest="generate_stripe_fixtures",
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|                         action="store_true",
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|                         default=False,
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|                         help=("Generate Stripe test fixtures by making requests to Stripe test network"))
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|     parser.add_argument('args', nargs='*')
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| 
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|     options = parser.parse_args()
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|     args = options.args
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|     parallel = options.processes
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|     include_webhooks = options.coverage or options.include_webhooks
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| 
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|     if parallel < 1:
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|         raise argparse.ArgumentError(
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|             "option processes: Only positive integers are allowed.")
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| 
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|     zerver_test_dir = 'zerver/tests/'
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| 
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|     # While running --rerun, we read var/last_test_failure.json to get
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|     # the list of tests that failed on the last run, and then pretend
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|     # those tests were passed explicitly.  --rerun implies
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|     # --nonfatal-errors, so that we don't end up removing tests from
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|     # the list that weren't run.
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|     if options.rerun:
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|         parallel = 1
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|         options.fatal_errors = False
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|         failed_tests = get_failed_tests()
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|         if failed_tests:
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|             args = failed_tests
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|     if len(args) > 0:
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|         # If we passed a specific set of tests, run in serial mode.
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|         parallel = 1
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| 
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|         # to transform forward slashes '/' present in the argument into dots '.'
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|         for i, suite in enumerate(args):
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|             args[i] = suite.rstrip('/').replace("/", ".")
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| 
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|         def rewrite_arguments(search_key: str) -> None:
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|             for root, dirs, files_names in os.walk(zerver_test_dir, topdown=False):
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|                 for file_name in files_names:
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|                     # Check for files starting with alphanumeric characters and ending with '.py'
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|                     # Ignore backup files if any
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|                     if not file_name[0].isalnum() or not file_name.endswith(".py"):
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|                         continue
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|                     filepath = os.path.join(root, file_name)
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|                     for line in open(filepath):
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|                         if search_key not in line:
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|                             continue
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|                         new_suite = filepath.replace(".py", ".") + suite
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|                         args[i] = new_suite
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|                         return
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| 
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|         for suite in args:
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|             if suite[0].isupper() and "test_" in suite:
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|                 classname = suite.rsplit('.', 1)[0]
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|                 rewrite_arguments(classname)
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|             elif suite[0].isupper():
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|                 rewrite_arguments(f'class {suite}(')
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| 
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|         for i, suite in enumerate(args):
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|             if suite.startswith('test'):
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|                 for root, dirs, files_names in os.walk(zerver_test_dir):
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|                     for file_name in files_names:
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|                         if file_name == suite or file_name == suite + ".py":
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|                             new_suite = os.path.join(root, file_name)
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|                             args[i] = new_suite
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|                             break
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| 
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|         for i, suite in enumerate(args):
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|             args[i] = suite.replace(".py", "")
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| 
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|         # to transform forward slashes '/' introduced by the zerver_test_dir into dots '.'
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|         # taking care of any forward slashes that might be present
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|         for i, suite in enumerate(args):
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|             args[i] = suite.replace("/", ".")
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| 
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|     full_suite = len(args) == 0
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| 
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|     if full_suite:
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|         suites = [
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|             "zerver.tests",
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|             "analytics.tests",
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|             "corporate.tests",
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|         ]
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|     else:
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|         suites = args
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| 
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|     if full_suite and include_webhooks:
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|         suites.append("zerver.webhooks")
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| 
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|     if options.generate_stripe_fixtures:
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|         if full_suite:
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|             suites = [
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|                 "corporate.tests.test_stripe",
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|             ]
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|             full_suite = False
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|         os.environ["GENERATE_STRIPE_FIXTURES"] = "1"
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| 
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|     assert_provisioning_status_ok(options.force)
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| 
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|     if options.coverage:
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|         import coverage
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|         cov = coverage.Coverage(data_suffix="", config_file="tools/coveragerc", concurrency='multiprocessing')
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|         # Do not clean .coverage file in CircleCi job so that coverage data can be uploaded.
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|         if not options.no_cov_cleanup:
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|             import atexit
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|             atexit.register(lambda: cov.erase())  # Ensure the data file gets cleaned up at the end.
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|         cov.start()
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|     if options.profile:
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|         import cProfile
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|         prof = cProfile.Profile()
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|         prof.enable()
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| 
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|     # This is kind of hacky, but it's the most reliable way
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|     # to make sure instrumentation decorators know the
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|     # setting when they run.
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|     os.environ['TEST_INSTRUMENT_URL_COVERAGE'] = 'TRUE'
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| 
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|     # setup() needs to be called after coverage is started to get proper coverage reports of model
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|     # files, since part of setup is importing the models for all applications in INSTALLED_APPS.
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|     django.setup()
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| 
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|     update_test_databases_if_required()
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| 
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|     subprocess.check_call(['tools/webpack', '--test'])
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| 
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|     TestRunner = get_runner(settings)
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| 
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|     if parallel > 1:
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|         print("-- Running tests in parallel mode with {} "
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|               "processes.".format(parallel), flush=True)
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|     else:
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|         print("-- Running tests in serial mode.", flush=True)
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| 
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|     with block_internet():
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|         test_runner = TestRunner(failfast=options.fatal_errors, verbosity=2,
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|                                  parallel=parallel, reverse=options.reverse,
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|                                  keepdb=True)
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|         failures, failed_tests = test_runner.run_tests(suites, full_suite=full_suite,
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|                                                        include_webhooks=include_webhooks)
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|     write_failed_tests(failed_tests)
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| 
 | |
|     templates_not_rendered = test_runner.get_shallow_tested_templates()
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|     # We only check the templates if all the tests ran and passed
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|     if not failures and full_suite and templates_not_rendered:
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|         missed_count = len(templates_not_rendered)
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|         print(f"\nError: {missed_count} templates have no tests!")
 | |
|         for template in templates_not_rendered:
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|             print(f'  {template}')
 | |
|         print("See zerver/tests/test_templates.py for the exclude list.")
 | |
|         failures = True
 | |
| 
 | |
|     if options.coverage:
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|         cov.stop()
 | |
|         cov.save()
 | |
|         cov.combine()
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|         cov.save()
 | |
|         if options.verbose_coverage:
 | |
|             print("Printing coverage data")
 | |
|             cov.report(show_missing=False)
 | |
|         cov.html_report(directory='var/coverage')
 | |
|         print("HTML report saved; visit at http://127.0.0.1:9991/coverage/index.html")
 | |
|     if full_suite and not failures and options.coverage:
 | |
|         # Assert that various files have full coverage
 | |
|         for path in enforce_fully_covered:
 | |
|             missing_lines = cov.analysis2(path)[3]
 | |
|             if len(missing_lines) > 0:
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|                 print(f"ERROR: {path} no longer has complete backend test coverage")
 | |
|                 print(f"  Lines missing coverage: {missing_lines}")
 | |
|                 print()
 | |
|                 failures = True
 | |
|         if failures:
 | |
|             print("It looks like your changes lost 100% test coverage in one or more files")
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|             print("Usually, the right fix for this is to add some tests.")
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|             print("But also check out the include/exclude lists in tools/test-backend.")
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|             print("If this line intentionally is not tested, you can use a # nocoverage comment.")
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|             print("To run this check locally, use `test-backend --coverage`.")
 | |
|         ok = True
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|         for path in not_yet_fully_covered:
 | |
|             try:
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|                 missing_lines = cov.analysis2(path)[3]
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|                 if len(missing_lines) == 0 and path != "zerver/lib/migrate.py":
 | |
|                     print(f"ERROR: {path} has complete backend test coverage but is still in not_yet_fully_covered.")
 | |
|                     ok = False
 | |
|             except coverage.misc.NoSource:
 | |
|                 continue
 | |
|         if not ok:
 | |
|             print()
 | |
|             print("There are one or more fully covered files that are still in not_yet_fully_covered.")
 | |
|             print("Remove the file(s) from not_yet_fully_covered in `tools/test-backend`.")
 | |
|             failures = True
 | |
|     if options.profile:
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|         prof.disable()
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|         with tempfile.NamedTemporaryFile(prefix='profile.data.', delete=False) as stats_file:
 | |
|             prof.dump_stats(stats_file.name)
 | |
|             print(f"Profile data saved to {stats_file.name}")
 | |
|             print(f"You can visualize it using e.g. `snakeviz {shlex.quote(stats_file.name)}`")
 | |
|             print("Note: If you are using vagrant for development environment you will need to do:")
 | |
|             print("1.) `vagrant ssh -- -L 8080:127.0.0.1:8080`")
 | |
|             print(f"2.) `snakeviz -s {shlex.quote(stats_file.name)}`")
 | |
| 
 | |
|     # Ideally, we'd check for any leaked test databases here;
 | |
|     # but that needs some hackery with database names.
 | |
|     #
 | |
|     # destroy_leaked_test_databases()
 | |
| 
 | |
|     removed = remove_test_run_directories()
 | |
|     if removed:
 | |
|         print(f"Removed {removed} stale test run directories!")
 | |
| 
 | |
|     # We'll have printed whether tests passed or failed above
 | |
|     sys.exit(bool(failures))
 | |
| 
 | |
| if __name__ == "__main__":
 | |
|     main()
 |