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import sys
import os
import types
import traceback
import pprint
import argparse
# DATA = 'tests/data'
# determine the position of data dynamically relative to program
# this allows running test while the current path is not the top of the
# repository, e.g. from the tests/data directory: python ../test_yaml.py
DATA = __file__.rsplit(os.sep, 2)[0] + '/data'
def find_test_functions(collections):
if not isinstance(collections, list):
collections = [collections]
functions = []
for collection in collections:
if not isinstance(collection, dict):
collection = vars(collection)
for key in sorted(collection):
value = collection[key]
if isinstance(value, types.FunctionType) and hasattr(value, 'unittest'):
functions.append(value)
return functions
def find_test_filenames(directory):
filenames = {}
for filename in os.listdir(directory):
if os.path.isfile(os.path.join(directory, filename)):
base, ext = os.path.splitext(filename)
# ToDo: remove
if base.endswith('-py2'):
continue
filenames.setdefault(base, []).append(ext)
filenames = sorted(filenames.items())
return filenames
def parse_arguments(args):
""""""
parser = argparse.ArgumentParser(
usage=""" run the yaml tests. By default
all functions on all appropriate test_files are run. Functions have
unittest attributes that determine the required extensions to filenames
that need to be available in order to run that test. E.g.\n\n
python test_yaml.py test_constructor_types\n
python test_yaml.py --verbose test_tokens spec-02-05\n\n
The presence of an extension in the .skip attribute of a function
disables the test for that function."""
)
# ToDo: make into int and test > 0 in functions
parser.add_argument(
'--verbose',
'-v',
action='store_true',
default='YAML_TEST_VERBOSE' in os.environ,
help='set verbosity output',
)
parser.add_argument(
'--list-functions',
action='store_true',
help="""list all functions with required file extensions for test files
""",
)
parser.add_argument('function', nargs='?', help="""restrict function to run""")
parser.add_argument(
'filenames',
nargs='*',
help="""basename of filename set, extensions (.code, .data) have to
be a superset of those in the unittest attribute of the selected
function""",
)
args = parser.parse_args(args)
# print('args', args)
verbose = args.verbose
include_functions = [args.function] if args.function else []
include_filenames = args.filenames
# if args is None:
# args = sys.argv[1:]
# verbose = False
# if '-v' in args:
# verbose = True
# args.remove('-v')
# if '--verbose' in args:
# verbose = True
# args.remove('--verbose') # never worked without this
# if 'YAML_TEST_VERBOSE' in os.environ:
# verbose = True
# include_functions = []
# if args:
# include_functions.append(args.pop(0))
if 'YAML_TEST_FUNCTIONS' in os.environ:
include_functions.extend(os.environ['YAML_TEST_FUNCTIONS'].split())
# include_filenames = []
# include_filenames.extend(args)
if 'YAML_TEST_FILENAMES' in os.environ:
include_filenames.extend(os.environ['YAML_TEST_FILENAMES'].split())
return include_functions, include_filenames, verbose, args
def execute(function, filenames, verbose):
name = function.__name__
if verbose:
sys.stdout.write('=' * 75 + '\n')
sys.stdout.write('%s(%s)...\n' % (name, ', '.join(filenames)))
try:
function(verbose=verbose, *filenames)
except Exception as exc:
info = sys.exc_info()
if isinstance(exc, AssertionError):
kind = 'FAILURE'
else:
kind = 'ERROR'
if verbose:
traceback.print_exc(limit=1, file=sys.stdout)
else:
sys.stdout.write(kind[0])
sys.stdout.flush()
else:
kind = 'SUCCESS'
info = None
if not verbose:
sys.stdout.write('.')
sys.stdout.flush()
return (name, filenames, kind, info)
def display(results, verbose):
if results and not verbose:
sys.stdout.write('\n')
total = len(results)
failures = 0
errors = 0
for name, filenames, kind, info in results:
if kind == 'SUCCESS':
continue
if kind == 'FAILURE':
failures += 1
if kind == 'ERROR':
errors += 1
sys.stdout.write('=' * 75 + '\n')
sys.stdout.write('%s(%s): %s\n' % (name, ', '.join(filenames), kind))
if kind == 'ERROR':
traceback.print_exception(file=sys.stdout, *info)
else:
sys.stdout.write('Traceback (most recent call last):\n')
traceback.print_tb(info[2], file=sys.stdout)
sys.stdout.write('%s: see below\n' % info[0].__name__)
sys.stdout.write('~' * 75 + '\n')
for arg in info[1].args:
pprint.pprint(arg, stream=sys.stdout)
for filename in filenames:
sys.stdout.write('-' * 75 + '\n')
sys.stdout.write('%s:\n' % filename)
with open(filename, 'r', errors='replace') as fp:
data = fp.read()
sys.stdout.write(data)
if data and data[-1] != '\n':
sys.stdout.write('\n')
sys.stdout.write('=' * 75 + '\n')
sys.stdout.write('TESTS: %s\n' % total)
ret_val = 0
if failures:
sys.stdout.write('FAILURES: %s\n' % failures)
ret_val = 1
if errors:
sys.stdout.write('ERRORS: %s\n' % errors)
ret_val = 2
return ret_val
def run(collections, args=None):
test_functions = find_test_functions(collections)
test_filenames = find_test_filenames(DATA)
include_functions, include_filenames, verbose, a = parse_arguments(args)
if a.list_functions:
print('test functions:')
for f in test_functions:
print(' {:30s} {}'.format(f.__name__, f.unittest))
return
results = []
for function in test_functions:
if include_functions and function.__name__ not in include_functions:
continue
if function.unittest:
for base, exts in test_filenames:
if include_filenames and base not in include_filenames:
continue
filenames = []
for ext in function.unittest:
if ext not in exts:
break
filenames.append(os.path.join(DATA, base + ext))
else:
skip_exts = getattr(function, 'skip', [])
for skip_ext in skip_exts:
if skip_ext in exts:
break
else:
result = execute(function, filenames, verbose)
results.append(result)
else:
result = execute(function, [], verbose)
results.append(result)
return display(results, verbose=verbose)
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