mitmproxy/test/full_coverage_plugin.py

122 lines
4.0 KiB
Python

import os
import configparser
import pytest
here = os.path.abspath(os.path.dirname(__file__))
enable_coverage = False
coverage_values = []
coverage_passed = True
no_full_cov = []
def pytest_addoption(parser):
parser.addoption('--full-cov',
action='append',
dest='full_cov',
default=[],
help="Require full test coverage of 100%% for this module/path/filename (multi-allowed). Default: none")
parser.addoption('--no-full-cov',
action='append',
dest='no_full_cov',
default=[],
help="Exclude file from a parent 100%% coverage requirement (multi-allowed). Default: none")
def pytest_configure(config):
global enable_coverage
global no_full_cov
enable_coverage = (
len(config.getoption('file_or_dir')) == 0 and
len(config.getoption('full_cov')) > 0 and
config.pluginmanager.getplugin("_cov") is not None and
config.pluginmanager.getplugin("_cov").cov_controller is not None and
config.pluginmanager.getplugin("_cov").cov_controller.cov is not None
)
c = configparser.ConfigParser()
c.read(os.path.join(here, "..", "setup.cfg"))
fs = c['tool:full_coverage']['exclude'].split('\n')
no_full_cov = config.option.no_full_cov + [f.strip() for f in fs]
@pytest.hookimpl(hookwrapper=True)
def pytest_runtestloop(session):
global enable_coverage
global coverage_values
global coverage_passed
global no_full_cov
if not enable_coverage:
yield
return
cov = pytest.config.pluginmanager.getplugin("_cov").cov_controller.cov
if os.name == 'nt':
cov.exclude('pragma: windows no cover')
yield
coverage_values = dict([(name, 0) for name in pytest.config.option.full_cov])
prefix = os.getcwd()
excluded_files = [os.path.normpath(f) for f in no_full_cov]
measured_files = [os.path.normpath(os.path.relpath(f, prefix)) for f in cov.get_data().measured_files()]
measured_files = [f for f in measured_files if not any(f.startswith(excluded_f) for excluded_f in excluded_files)]
for name in coverage_values.keys():
files = [f for f in measured_files if f.startswith(os.path.normpath(name))]
try:
with open(os.devnull, 'w') as null:
overall = cov.report(files, ignore_errors=True, file=null)
singles = [(s, cov.report(s, ignore_errors=True, file=null)) for s in files]
coverage_values[name] = (overall, singles)
except:
pass
if any(v < 100 for v, _ in coverage_values.values()):
# make sure we get the EXIT_TESTSFAILED exit code
session.testsfailed += 1
coverage_passed = False
def pytest_terminal_summary(terminalreporter, exitstatus):
global enable_coverage
global coverage_values
global coverage_passed
global no_full_cov
if not enable_coverage:
return
terminalreporter.write('\n')
if not coverage_passed:
markup = {'red': True, 'bold': True}
msg = "FAIL: Full test coverage not reached!\n"
terminalreporter.write(msg, **markup)
for name in sorted(coverage_values.keys()):
msg = 'Coverage for {}: {:.2f}%\n'.format(name, coverage_values[name][0])
if coverage_values[name][0] < 100:
markup = {'red': True, 'bold': True}
for s, v in sorted(coverage_values[name][1]):
if v < 100:
msg += ' {}: {:.2f}%\n'.format(s, v)
else:
markup = {'green': True}
terminalreporter.write(msg, **markup)
else:
msg = 'SUCCESS: Full test coverage reached in modules and files:\n'
msg += '{}\n\n'.format('\n'.join(pytest.config.option.full_cov))
terminalreporter.write(msg, green=True)
msg = '\nExcluded files:\n'
for s in sorted(no_full_cov):
msg += " {}\n".format(s)
terminalreporter.write(msg)