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https://github.com/zulip/zulip.git
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f8fd169a7d
We now allow you to run --coverage on individual files. This helps when you want to make sure a file is being covered directly and not just getting incidental coverage from higher level tests. Before this commit, we were conflating wanting coverage reports with wanting coverage checks. For individual files, we now solve that by simply eliminating the coverage checks. This required some minor refactoring to extract some functions.
214 lines
7.3 KiB
Python
Executable File
214 lines
7.3 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import os
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import shutil
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import subprocess
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import sys
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from typing import Dict, Any
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TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
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sys.path.insert(0, os.path.dirname(TOOLS_DIR))
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ROOT_DIR = os.path.dirname(TOOLS_DIR)
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# check for the venv
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from tools.lib import sanity_check
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sanity_check.check_venv(__file__)
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# Import this after we do the sanity_check so it doesn't crash.
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import ujson
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USAGE = '''
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tools/test-js-with-node - to run all tests
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tools/test-js-with-node util.js activity.js - to run just a couple tests
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tools/test-js-with-node --coverage - to generage coverage report
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'''
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enforce_fully_covered = {
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'static/js/activity.js',
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'static/js/alert_words.js',
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'static/js/bot_data.js',
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'static/js/channel.js',
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'static/js/colorspace.js',
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'static/js/common.js',
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'static/js/components.js',
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'static/js/compose_pm_pill.js',
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'static/js/compose_state.js',
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'static/js/compose_ui.js',
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'static/js/composebox_typeahead.js',
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'static/js/dict.js',
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'static/js/emoji.js',
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'static/js/fenced_code.js',
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'static/js/fetch_status.js',
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'static/js/filter.js',
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'static/js/hash_util.js',
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'static/js/markdown.js',
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'static/js/message_store.js',
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'static/js/muting.js',
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'static/js/narrow_state.js',
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'static/js/people.js',
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'static/js/pm_conversations.js',
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'static/js/pm_list.js',
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'static/js/presence.js',
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'static/js/reactions.js',
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'static/js/recent_senders.js',
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'static/js/rtl.js',
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'static/js/search_suggestion.js',
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# Removed because we're migrating code from uncovered other settings pages to here.
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# 'static/js/settings_ui.js',
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'static/js/settings_muting.js',
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'static/js/settings_user_groups.js',
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'static/js/stream_data.js',
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'static/js/stream_events.js',
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'static/js/stream_sort.js',
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'static/js/topic_data.js',
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'static/js/topic_generator.js',
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'static/js/transmit.js',
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'static/js/typeahead_helper.js',
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'static/js/typing_data.js',
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'static/js/typing_status.js',
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'static/js/unread.js',
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'static/js/user_events.js',
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'static/js/user_groups.js',
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'static/js/user_pill.js',
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'static/js/util.js',
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}
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parser = argparse.ArgumentParser(USAGE)
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parser.add_argument('--coverage', dest='coverage',
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action="store_true",
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default=False, help='Get coverage report')
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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('args', nargs=argparse.REMAINDER)
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options = parser.parse_args()
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from tools.lib.test_script import get_provisioning_status
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if not options.force:
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ok, msg = get_provisioning_status()
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if not ok:
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print(msg)
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print('If you really know what you are doing, use --force to run anyway.')
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sys.exit(1)
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os.environ['NODE_PATH'] = 'static'
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os.environ['TZ'] = 'UTC'
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INDEX_JS = 'frontend_tests/zjsunit/index.js'
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# Add ".js" to the end of all the file arguments, so index.js
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# can actually verify if the file exists or not.
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for index, arg in enumerate(options.args):
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if not arg.endswith('.js'):
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options.args[index] = arg + '.js'
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individual_files = options.args
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# The index.js test runner is the real "driver" here, and we launch
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# with either istanbul or node, depending on whether we want coverage
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# reports. Running under istanbul is slower and creates funny
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# tracebacks, so you generally want to get coverage reports only
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# after making sure tests will pass.
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if options.coverage:
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coverage_dir = os.path.join(ROOT_DIR, 'var/node-coverage')
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shutil.rmtree(coverage_dir, True)
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istanbul = os.path.join(ROOT_DIR, 'node_modules/.bin/istanbul')
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command = [istanbul, 'cover', '--dir', coverage_dir, INDEX_JS]
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else:
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# Normal testing, no coverage analysis.
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# Run the index.js test runner, which runs all the other tests.
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command = ['node', '--stack-trace-limit=100', INDEX_JS]
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command += individual_files
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print('Starting node tests...')
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# If we got this far, we can run the tests!
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try:
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ret = subprocess.check_call(command)
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except OSError:
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print('Bad command: %s' % (command,))
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raise
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def check_line_coverage(fn, line_coverage, line_mapping, log=True):
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# type: (str, Dict[Any, Any], Dict[Any, Any], bool) -> bool
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missing_lines = []
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for line in line_coverage:
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if line_coverage[line] == 0:
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actual_line = line_mapping[line]
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missing_lines.append(str(actual_line["start"]["line"]))
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if missing_lines:
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if log:
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print("ERROR: %s no longer has complete node test coverage" % (fn,))
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print(" Lines missing coverage: %s" % (", ".join(sorted(missing_lines, key=int)),))
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print()
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return False
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return True
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NODE_COVERAGE_PATH = 'var/node-coverage/coverage.json'
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def read_coverage() -> Any:
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coverage_json = None
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try:
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with open(NODE_COVERAGE_PATH, 'r') as f:
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coverage_json = ujson.load(f)
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except IOError:
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print(NODE_COVERAGE_PATH + " doesn't exist. Cannot enforce fully covered files.")
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raise
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return coverage_json
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def enforce_proper_coverage(coverage_json: Any) -> bool:
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coverage_lost = False
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for relative_path in enforce_fully_covered:
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path = ROOT_DIR + "/" + relative_path
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if not (path in coverage_json):
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print("ERROR: %s has no node test coverage" % (relative_path,))
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continue
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line_coverage = coverage_json[path]['s']
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line_mapping = coverage_json[path]['statementMap']
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if not check_line_coverage(relative_path, line_coverage, line_mapping):
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coverage_lost = True
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if coverage_lost:
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print()
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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-js-with-node`.")
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print("To run this check locally, use `test-js-with-node --coverage`.")
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coverage_not_enforced = False
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for path in coverage_json:
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if '/static/js/' in path:
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relative_path = os.path.relpath(path, ROOT_DIR)
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line_coverage = coverage_json[path]['s']
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line_mapping = coverage_json[path]['statementMap']
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if check_line_coverage(relative_path, line_coverage, line_mapping, log=False) \
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and not (relative_path in enforce_fully_covered):
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coverage_not_enforced = True
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print("ERROR: %s has complete node test coverage and is not enforced." % (relative_path,))
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if coverage_not_enforced:
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print()
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print("There are one or more fully covered files that are not enforced.")
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print("Add the file(s) to enforce_fully_covered in `tools/test-js-with-node`.")
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problems_encountered = (coverage_lost or coverage_not_enforced)
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return problems_encountered
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if options.coverage and ret == 0:
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if not individual_files:
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coverage_json = read_coverage()
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problems_encountered = enforce_proper_coverage(coverage_json)
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if problems_encountered:
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ret = 1
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print()
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if ret == 0:
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if options.coverage:
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print("View coverage reports at http://127.0.0.1:9991/node-coverage/index.html")
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print("Test(s) passed. SUCCESS!")
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else:
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print("FAIL - Test(s) failed")
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sys.exit(ret)
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