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#!/usr/bin/env python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
"""configtest.py
Verify the .json and .py files in the configs/ directory are well-formed.
Further tests to verify validity would be desirable.
This is also a good example script to look at to understand mozharness.
"""
import os
import pprint
import sys
try:
import simplejson as json
except ImportError:
import json
sys.path.insert(1, os.path.dirname(sys.path[0]))
from mozharness.base.script import BaseScript
# ConfigTest {{{1
class ConfigTest(BaseScript):
config_options = [
[
[
"--test-file",
],
{
"action": "extend",
"dest": "test_files",
"help": "Specify which config files to test",
},
]
]
def __init__(self, require_config_file=False):
self.config_files = []
BaseScript.__init__(
self,
config_options=self.config_options,
all_actions=[
"list-config-files",
"test-json-configs",
"test-python-configs",
"summary",
],
default_actions=[
"test-json-configs",
"test-python-configs",
"summary",
],
require_config_file=require_config_file,
)
def query_config_files(self):
"""This query method, much like others, caches its runtime
settings in self.VAR so we don't have to figure out config_files
multiple times.
"""
if self.config_files:
return self.config_files
c = self.config
if "test_files" in c:
self.config_files = c["test_files"]
return self.config_files
self.debug(
"No --test-file(s) specified; defaulting to crawling the configs/ directory."
)
config_files = []
for root, dirs, files in os.walk(os.path.join(sys.path[0], "..", "configs")):
for name in files:
# Hardcode =P
if name.endswith(".json") or name.endswith(".py"):
if not name.startswith("test_malformed"):
config_files.append(os.path.join(root, name))
self.config_files = config_files
return self.config_files
def list_config_files(self):
"""Non-default action that is mainly here to demonstrate how
non-default actions work in a mozharness script.
"""
config_files = self.query_config_files()
for config_file in config_files:
self.info(config_file)
def test_json_configs(self):
"""Currently only "is this well-formed json?" """
config_files = self.query_config_files()
filecount = [0, 0]
for config_file in config_files:
if config_file.endswith(".json"):
filecount[0] += 1
self.info("Testing %s." % config_file)
contents = self.read_from_file(config_file, verbose=False)
try:
json.loads(contents)
except ValueError:
self.add_summary("%s is invalid json." % config_file, level="error")
self.error(pprint.pformat(sys.exc_info()[1]))
else:
self.info("Good.")
filecount[1] += 1
if filecount[0]:
self.add_summary(
"%d of %d json config files were good." % (filecount[1], filecount[0])
)
else:
self.add_summary("No json config files to test.")
def test_python_configs(self):
"""Currently only "will this give me a config dictionary?" """
config_files = self.query_config_files()
filecount = [0, 0]
for config_file in config_files:
if config_file.endswith(".py"):
filecount[0] += 1
self.info("Testing %s." % config_file)
global_dict = {}
local_dict = {}
try:
with open(config_file, "r") as f:
exec(f.read(), global_dict, local_dict)
except Exception:
self.add_summary(
"%s is invalid python." % config_file, level="error"
)
self.error(pprint.pformat(sys.exc_info()[1]))
else:
if "config" in local_dict and isinstance(
local_dict["config"], dict
):
self.info("Good.")
filecount[1] += 1
else:
self.add_summary(
"%s is valid python, "
"but doesn't create a config dictionary." % config_file,
level="error",
)
if filecount[0]:
self.add_summary(
"%d of %d python config files were good." % (filecount[1], filecount[0])
)
else:
self.add_summary("No python config files to test.")
# __main__ {{{1
if __name__ == "__main__":
config_test = ConfigTest()
config_test.run_and_exit()