#!/usr/bin/env python3 import argparse import os 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/bot_data.js', 'static/js/channel.js', 'static/js/colorspace.js', 'static/js/common.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/filter.js', 'static/js/fenced_code.js', 'static/js/hash_util.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/search_suggestion.js', 'static/js/stream_data.js', 'static/js/stream_events.js', 'static/js/stream_sort.js', 'static/js/topic_data.js', 'static/js/topic_generator.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/util.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' # The index.js test runner is the real "driver" here, and we launch # with either istanbul or node, depending on whether we want coverage # reports. Running under istanbul is slower and creates funny # tracebacks, so you generally want to get coverage reports only # after making sure tests will pass. if options.coverage: if options.args: print('BAD ARGS! Coverage reports run against all files.') sys.exit(1) istanbul = os.path.join(ROOT_DIR, 'node_modules/.bin/istanbul') command = [istanbul, 'cover', INDEX_JS, '--dir', 'var/node-coverage'] else: # Normal testing, no coverage analysis. # Run the index.js test runner, which runs all the other tests. command = ['node', '--stack-trace-limit=100', INDEX_JS] + options.args 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 def check_line_coverage(line_coverage, line_mapping, log=True): # type: (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" % (relative_path,)) print(" Lines missing coverage: %s" % (", ".join(sorted(missing_lines, key=int)),)) print() return False return True NODE_COVERAGE_PATH = 'var/node-coverage/coverage.json' if options.coverage and ret == 0: 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 print() print("=============================================================================") print("Checking enforced fully covered files...") 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(line_coverage, line_mapping): ret = 1 if ret: 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`.") else: print("Success: All enforced fully covered files still have 100% test coverage!") print("=============================================================================") print() print("=============================================================================") print("Checking for fully covered files that are not enforced yet...") ok = True 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(line_coverage, line_mapping, log=False) \ and not (relative_path in enforce_fully_covered): ok = False print("ERROR: %s has complete node test coverage and is not enforced." % (relative_path,)) if ok: print("Success: There are no fully covered files that are not enforced yet!") else: 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`.") ret = 1 print("=============================================================================") 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)