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zulip/tools/test-js-with-node

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Python
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#!/usr/bin/env python3
import argparse
import os
import shutil
import subprocess
import sys
from typing import Dict, Any
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
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 generage coverage report
'''
enforce_fully_covered = {
'static/js/activity.js',
'static/js/alert_words.js',
'static/js/alert_words_ui.js',
'static/js/bot_data.js',
'static/js/buddy_data.js',
'static/js/buddy_list.js',
'static/js/channel.js',
'static/js/colorspace.js',
'static/js/common.js',
'static/js/components.js',
'static/js/compose_pm_pill.js',
'static/js/compose_state.js',
'static/js/compose_ui.js',
'static/js/composebox_typeahead.js',
'static/js/dict.js',
'static/js/emoji.js',
'static/js/fenced_code.js',
'static/js/fetch_status.js',
'static/js/filter.js',
'static/js/hash_util.js',
'static/js/keydown_util.js',
'static/js/list_cursor.js',
'static/js/markdown.js',
'static/js/message_store.js',
'static/js/muting.js',
'static/js/narrow_state.js',
'static/js/people.js',
'static/js/pm_conversations.js',
'static/js/pm_list.js',
'static/js/presence.js',
'static/js/reactions.js',
'static/js/recent_senders.js',
'static/js/rtl.js',
'static/js/schema.js',
'static/js/scroll_util.js',
'static/js/search.js',
'static/js/search_suggestion.js',
'static/js/search_util.js',
# Removed because we're migrating code from uncovered other settings pages to here.
# 'static/js/settings_ui.js',
'static/js/settings_muting.js',
'static/js/settings_user_groups.js',
'static/js/stream_data.js',
'static/js/stream_events.js',
'static/js/stream_sort.js',
'static/js/top_left_corner.js',
'static/js/topic_data.js',
'static/js/topic_generator.js',
'static/js/transmit.js',
'static/js/typeahead_helper.js',
'static/js/typing_data.js',
'static/js/typing_status.js',
'static/js/unread.js',
'static/js/user_events.js',
'static/js/user_groups.js',
'static/js/user_pill.js',
'static/js/user_search.js',
'static/js/util.js',
'static/js/widgetize.js',
'static/js/voting_widget.js',
'static/js/search_pill.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()
from tools.lib.test_script import get_provisioning_status
if not options.force:
ok, msg = get_provisioning_status()
if not ok:
print(msg)
print('If you really know what you are doing, use --force to run anyway.')
sys.exit(1)
os.environ['NODE_PATH'] = 'static'
os.environ['TZ'] = 'UTC'
INDEX_JS = 'frontend_tests/zjsunit/index.js'
# 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'):
options.args[index] = arg + '.js'
individual_files = options.args
# 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, '--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('Bad command: %s' % (command,))
raise
except subprocess.CalledProcessError:
print('\n** Tests failed, PLEASE FIX! **\n')
sys.exit(1)
def check_line_coverage(fn, line_coverage, line_mapping, log=True):
# type: (str, Dict[Any, Any], Dict[Any, Any], bool) -> 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: %s no longer has complete node test coverage" % (fn,))
print(" Lines missing coverage: %s" % (", ".join(sorted(missing_lines, key=int)),))
print()
return False
return True
NODE_COVERAGE_PATH = 'var/node-coverage/coverage-final.json'
def read_coverage() -> Any:
coverage_json = None
try:
with open(NODE_COVERAGE_PATH, 'r') as f:
coverage_json = ujson.load(f)
except IOError:
print(NODE_COVERAGE_PATH + " doesn't exist. Cannot enforce fully covered files.")
raise
return coverage_json
def enforce_proper_coverage(coverage_json: Any) -> bool:
coverage_lost = False
for relative_path in enforce_fully_covered:
path = ROOT_DIR + "/" + relative_path
if not (path in coverage_json):
print("ERROR: %s has no node test coverage" % (relative_path,))
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("Usually, the right fix for this is to add some tests.")
print("But also check out the include/exclude lists in `tools/test-js-with-node`.")
print("To run this check locally, use `test-js-with-node --coverage`.")
coverage_not_enforced = False
for path in coverage_json:
if '/static/js/' in path:
relative_path = os.path.relpath(path, ROOT_DIR)
line_coverage = coverage_json[path]['s']
line_mapping = coverage_json[path]['statementMap']
if check_line_coverage(relative_path, line_coverage, line_mapping, log=False) \
and not (relative_path in enforce_fully_covered):
coverage_not_enforced = True
print("ERROR: %s has complete node test coverage and is not enforced." % (relative_path,))
if coverage_not_enforced:
print()
print("There are one or more fully covered files that are not enforced.")
print("Add the file(s) to enforce_fully_covered in `tools/test-js-with-node`.")
problems_encountered = (coverage_lost or coverage_not_enforced)
return problems_encountered
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:
print("View coverage reports at http://127.0.0.1:9991/node-coverage/index.html")
print("Test(s) passed. SUCCESS!")
else:
print("FAIL - Test(s) failed")
sys.exit(ret)
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