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zulip/tools/test-js-with-node
Steve Howell 2dd7a8864c node tests: Get 100% coverage on rendered_markdown.
2021-05-25 15:30:40 -07:00

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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, List
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 orjson
from zulint.printer import BOLDRED, CYAN, ENDC, GREEN
INDEX_JS = os.path.join(ROOT_DIR, "frontend_tests/zjsunit/index.js")
NODE_COVERAGE_PATH = os.path.join(ROOT_DIR, "var/node-coverage/coverage-final.json")
# Ideally, we wouldn't need this line, but it seems to be required to
# avoid problems finding node_modules when running `cd tools; ./test-js-with-node`.
os.chdir(ROOT_DIR)
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/about_zulip.js",
"static/js/admin.js",
"static/js/alert_popup.ts",
"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/click_handlers.js",
"static/js/compose_actions.js",
"static/js/compose_closed_ui.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/css_variables.js",
"static/js/debug.js",
"static/js/desktop_integration.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/giphy.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/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_list_data.js",
"static/js/message_list.js",
"static/js/message_list_view.js",
"static/js/message_lists.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/navbar_alerts.js",
"static/js/pm_list_dom.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/realm_playground.js",
"static/js/recent_topics.js",
"static/js/reload.js",
"static/js/reminder.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_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_playgrounds.js",
"static/js/settings_muted_topics.js",
"static/js/settings_muted_users.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/spoilers.js",
"static/js/starred_messages_ui.js",
"static/js/stream_bar.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/message_view_header.js",
"static/js/timerender.js",
"static/js/tippyjs.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/webpack_public_path.js",
"static/js/zcommand.js",
"static/js/zform.js",
"static/js/zulip.js",
"static/js/zulip_test.js",
"static/shared/js/poll_data.js",
}
from tools.lib.test_script import add_provision_check_override_param, assert_provisioning_status_ok
parser = argparse.ArgumentParser(USAGE)
parser.add_argument("--coverage", action="store_true", help="Get coverage report")
add_provision_check_override_param(parser)
parser.add_argument("args", nargs=argparse.REMAINDER)
options = parser.parse_args()
individual_files = options.args
assert_provisioning_status_ok(options.skip_provision_check)
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 clean_file(orig_fn: str) -> str:
fn = orig_fn
if not fn.endswith(".js"):
fn += ".js"
if "frontend_tests/" not in fn:
fn = os.path.join(ROOT_DIR, "frontend_tests", "node_tests", fn)
fn = os.path.abspath(fn)
if not os.path.exists(fn):
print(f"Cannot find {orig_fn} ({fn})")
sys.exit(1)
return fn
def clean_files(fns: List[str]) -> List[str]:
cleaned_files = [clean_file(fn) for fn in fns]
return cleaned_files
def run_tests_via_node_js() -> int:
os.environ["TZ"] = "UTC"
# 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]
if individual_files:
files = individual_files
else:
files = sorted(glob.glob(os.path.join(ROOT_DIR, "frontend_tests/node_tests/*.js")))
node_tests_cmd += clean_files(files)
if options.coverage:
coverage_dir = os.path.join(ROOT_DIR, "var/node-coverage")
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]
command += ["-r=lcov", "-r=json", "-r=text-summary"]
command += node_tests_cmd
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, "rb") as f:
coverage_json = orjson.loads(f.read())
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
reports_location = f"http://{get_dev_host()}/node-coverage/index.html"
print()
print("View coverage reports at " + CYAN + reports_location + ENDC)
print()
if ret == 0:
print(GREEN + "Test(s) passed. SUCCESS!" + ENDC)
else:
print(BOLDRED + "FAIL - Test(s) failed" + ENDC)
sys.exit(ret)
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