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zulip/tools/test-js-with-node

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#!/usr/bin/env python3
import argparse
import glob
import os
import pwd
import subprocess
import sys
from typing import Any, Dict
TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, os.path.dirname(TOOLS_DIR))
ROOT_DIR = os.path.dirname(TOOLS_DIR)
# check for the venv
from tools.lib import sanity_check
sanity_check.check_venv(__file__)
# Import this after we do the sanity_check so it doesn't crash.
import ujson
from zulint.printer import BOLDRED, CYAN, ENDC, GREEN
INDEX_JS = 'frontend_tests/zjsunit/index.js'
NODE_COVERAGE_PATH = 'var/node-coverage/coverage-final.json'
USAGE = '''
tools/test-js-with-node - to run all tests
tools/test-js-with-node util.js activity.js - to run just a couple tests
tools/test-js-with-node --coverage - to generate coverage report
'''
# We do not yet require 100% line coverage for these files:
EXEMPT_FILES = {
'static/js/admin.js',
'static/js/archive.js',
'static/js/attachments_ui.js',
'static/js/avatar.js',
'static/js/billing/helpers.js',
'static/js/blueslip.js',
'static/js/blueslip_stacktrace.ts',
'static/js/channel.js',
'static/js/click_handlers.js',
'static/js/compose_actions.js',
'static/js/composebox_typeahead.js',
'static/js/compose_fade.js',
'static/js/compose.js',
'static/js/condense.js',
'static/js/confirm_dialog.js',
'static/js/copy_and_paste.js',
'static/js/csrf.js',
'static/js/debug.js',
'static/js/drafts.js',
'static/js/echo.js',
'static/js/emoji_picker.js',
'static/js/emojisets.js',
'static/js/favicon.js',
'static/js/feedback_widget.js',
'static/js/floating_recipient_bar.js',
'static/js/gear_menu.js',
'static/js/global.d.ts',
'static/js/hashchange.js',
'static/js/hbs.d.ts',
'static/js/hotkey.js',
'static/js/hotspots.js',
'static/js/info_overlay.js',
'static/js/integration_bot_widget.js',
'static/js/invite.js',
'static/js/lightbox_canvas.js',
'static/js/lightbox.js',
'static/js/list_util.js',
'static/js/loading.js',
'static/js/local_message.js',
'static/js/localstorage.js',
'static/js/message_edit.js',
'static/js/message_edit_history.js',
'static/js/message_events.js',
'static/js/message_fetch.js',
'static/js/message_flags.js',
'static/js/message_list_data.js',
'static/js/message_list.js',
'static/js/message_list_view.js',
'static/js/message_live_update.js',
'static/js/message_scroll.js',
'static/js/message_util.js',
'static/js/message_viewport.js',
'static/js/muting_ui.js',
'static/js/narrow.js',
'static/js/navigate.js',
'static/js/night_mode.js',
'static/js/notifications.js',
'static/js/overlays.js',
'static/js/padded_widget.js',
'static/js/page_params.js',
'static/js/panels.js',
'static/js/pm_list_dom.js',
'static/js/pointer.js',
'static/js/poll_widget.js',
'static/js/popovers.js',
'static/js/ready.js',
'static/js/realm_icon.js',
'static/js/realm_logo.js',
'static/js/reload.js',
'static/js/reload_state.js',
'static/js/reminder.js',
'static/js/rendered_markdown.js',
'static/js/resize.js',
'static/js/rows.js',
'static/js/scroll_bar.js',
'static/js/search_pill_widget.js',
'static/js/sent_messages.js',
'static/js/server_events.js',
'static/js/dropdown_list_widget.js',
'static/js/settings_account.js',
'static/js/settings_bots.js',
'static/js/settings_config.js',
'static/js/settings_display.js',
'static/js/settings_emoji.js',
'static/js/settings_exports.js',
'static/js/settings_invites.js',
'static/js/settings.js',
'static/js/settings_linkifiers.js',
'static/js/settings_notifications.js',
'static/js/settings_org.js',
'static/js/settings_panel_menu.js',
'static/js/settings_profile_fields.js',
'static/js/settings_sections.js',
'static/js/settings_streams.js',
'static/js/settings_toggle.js',
'static/js/settings_ui.js',
'static/js/settings_users.js',
'static/js/setup.js',
'static/js/starred_messages.js',
'static/js/stream_color.js',
'static/js/stream_create.js',
'static/js/stream_edit.js',
'static/js/stream_list.js',
'static/js/stream_muting.js',
'static/js/stream_popover.js',
'static/js/stream_ui_updates.js',
'static/js/submessage.js',
'static/js/subs.js',
'static/js/tab_bar.js',
'static/js/templates.js',
'static/js/tictactoe_widget.js',
'static/js/timerender.js',
'static/js/todo_widget.js',
'static/js/topic_list.js',
'static/js/topic_zoom.js',
'static/js/tutorial.js',
'static/js/typing_events.js',
'static/js/typing.js',
'static/js/ui_init.js',
'static/js/ui.js',
'static/js/ui_report.js',
'static/js/ui_util.js',
'static/js/unread_ops.js',
'static/js/unread_ui.js',
'static/js/upload_widget.js',
'static/js/user_status_ui.js',
'static/js/zcommand.js',
'static/js/zform.js',
'static/js/zulip.js',
}
parser = argparse.ArgumentParser(USAGE)
parser.add_argument('--coverage', dest='coverage',
action="store_true",
default=False, help='Get coverage report')
parser.add_argument('--force', dest='force',
action="store_true",
default=False, help='Run tests despite possible problems.')
parser.add_argument('args', nargs=argparse.REMAINDER)
options = parser.parse_args()
individual_files = options.args
from tools.lib.test_script import assert_provisioning_status_ok
assert_provisioning_status_ok(options.force)
def get_dev_host() -> str:
# See similar code in dev_settings.py. We only use
# this to report where you can find coverage reports.
# We duplicate the code here to avoid depending on
# Django.
host = os.getenv('EXTERNAL_HOST')
if host is not None:
return host
user_id = os.getuid()
user_name = pwd.getpwuid(user_id).pw_name
if user_name == "zulipdev":
hostname = os.uname()[1].lower()
if '.zulipdev.org' not in hostname:
hostname += '.zulipdev.org'
return hostname + ':9991'
else:
# For local development environments, we use localhost by
# default, via the "zulipdev.com" hostname.
return 'zulipdev.com:9991'
def print_error(msg: str) -> None:
print(BOLDRED + 'ERROR:' + ENDC + ' ' + msg)
def run_tests_via_node_js() -> int:
os.environ['TZ'] = 'UTC'
# Add ".js" to the end of all the file arguments, so index.js
# can actually verify if the file exists or not.
for index, arg in enumerate(options.args):
if not arg.endswith('.js') and not arg.endswith('.ts'):
# If it doesn't end with ".js" or ".ts", assume it is a JS file,
# since most files are currently JS files.
options.args[index] = arg + '.js'
# The index.js test runner is the real "driver" here, and we launch
# with either nyc or node, depending on whether we want coverage
# reports. Running under nyc is slower and creates funny
# tracebacks, so you generally want to get coverage reports only
# after making sure tests will pass.
node_tests_cmd = ['node', '--stack-trace-limit=100', INDEX_JS]
node_tests_cmd += individual_files
if options.coverage:
coverage_dir = os.path.join(ROOT_DIR, 'var/node-coverage')
coverage_lcov_file = os.path.join(coverage_dir, 'lcov.info')
nyc = os.path.join(ROOT_DIR, 'node_modules/.bin/nyc')
command = [nyc, '--extension', '.hbs', '--extension', '.ts']
command += ['--report-dir', coverage_dir]
command += ['--temp-directory', coverage_dir, '-r=text-summary']
command += node_tests_cmd
command += ['&&', 'nyc', 'report', '-r=lcov', '-r=json']
command += ['>', coverage_lcov_file]
else:
# Normal testing, no coverage analysis.
# Run the index.js test runner, which runs all the other tests.
command = node_tests_cmd
print('Starting node tests...')
# If we got this far, we can run the tests!
try:
ret = subprocess.check_call(command)
except OSError:
print(f'Bad command: {command}')
raise
except subprocess.CalledProcessError:
print('\n** Tests failed, PLEASE FIX! **\n')
sys.exit(1)
return ret
def check_line_coverage(fn: str, line_coverage: Dict[Any, Any], line_mapping: Dict[Any, Any], log: bool = True) -> bool:
missing_lines = []
for line in line_coverage:
if line_coverage[line] == 0:
actual_line = line_mapping[line]
missing_lines.append(str(actual_line["start"]["line"]))
if missing_lines:
if log:
print_error(f"{fn} no longer has complete node test coverage")
print(" Lines missing coverage: {}".format(", ".join(sorted(missing_lines, key=int))))
print()
return False
return True
def read_coverage() -> Any:
coverage_json = None
try:
with open(NODE_COVERAGE_PATH) as f:
coverage_json = ujson.load(f)
except OSError:
print(NODE_COVERAGE_PATH + " doesn't exist. Cannot enforce fully covered files.")
raise
return coverage_json
def enforce_proper_coverage(coverage_json: Any) -> bool:
all_js_files = set(
glob.glob('static/js/*.js') +
glob.glob('static/js/*.ts') +
glob.glob('static/shared/js/*.js') +
glob.glob('static/shared/js/*.ts') +
glob.glob('static/js/billing/*.js'),
)
enforce_fully_covered = all_js_files - EXEMPT_FILES
coverage_lost = False
for relative_path in enforce_fully_covered:
path = ROOT_DIR + "/" + relative_path
if not (path in coverage_json):
coverage_lost = True
print_error(f"{relative_path} has no node test coverage")
continue
line_coverage = coverage_json[path]['s']
line_mapping = coverage_json[path]['statementMap']
if not check_line_coverage(relative_path, line_coverage, line_mapping):
coverage_lost = True
if coverage_lost:
print()
print("It looks like your changes lost 100% test coverage in one or more files.")
print("Ideally, you should add some tests to restore coverage.")
print("A worse option is to update EXEMPT_FILES in `tools/test-js-with-node`.")
print("To run this check locally, use `test-js-with-node --coverage`.")
print()
coverage_not_enforced = False
for path in coverage_json:
relative_path = os.path.relpath(path, ROOT_DIR)
if relative_path in EXEMPT_FILES:
line_coverage = coverage_json[path]['s']
line_mapping = coverage_json[path]['statementMap']
if check_line_coverage(relative_path, line_coverage, line_mapping, log=False):
coverage_not_enforced = True
print_error(f"{relative_path} unexpectedly has 100% line coverage.")
if coverage_not_enforced:
print()
print("One or more fully covered files are miscategorized.")
print("Remove the file(s) from EXEMPT_FILES in `tools/test-js-with-node`.")
problems_encountered = (coverage_lost or coverage_not_enforced)
return problems_encountered
ret = run_tests_via_node_js()
if options.coverage and ret == 0:
if not individual_files:
coverage_json = read_coverage()
problems_encountered = enforce_proper_coverage(coverage_json)
if problems_encountered:
ret = 1
print()
if ret == 0:
if options.coverage:
reports_location = f'http://{get_dev_host()}/node-coverage/index.html'
print('View coverage reports at ' + CYAN + reports_location + ENDC)
print(GREEN + "Test(s) passed. SUCCESS!" + ENDC)
else:
print(BOLDRED + "FAIL - Test(s) failed" + ENDC)
sys.exit(ret)
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