def format_survival_rate():
"""cr-rate
Usage: cr-rate
Read JSON work-records from stdin and print the survival rate.
"""
records = (WorkItem(json.loads(line, cls=WorkItemJsonDecoder)) for line in sys.stdin)
print('{:.2f}'.format(survival_rate(records)))
def test_empty___init__(project_root):
config = 'cosmic-ray.empty.conf'
session = 'empty_test.session.json'
subprocess.check_call(['cosmic-ray', 'init', config, session],
cwd=str(project_root))
session_path = project_root / session
with use_db(str(session_path), WorkDB.Mode.open) as work_db:
rate = survival_rate(work_db.work_items)
assert rate == 0.0
def test_e2e(project_root, test_runner, engine):
config = 'cosmic-ray.{}.{}.conf'.format(test_runner, engine)
session = 'adam-tests.{}.{}.session.json'.format(test_runner, engine)
subprocess.check_call(['cosmic-ray', 'init', config, session],
cwd=str(project_root))
subprocess.check_call(['cosmic-ray', 'exec', session],
cwd=str(project_root))
session_path = project_root / session
with use_db(str(session_path), WorkDB.Mode.open) as work_db:
rate = survival_rate(work_db.work_items)
assert rate == 0.0