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bazarr/libs/guessit/test/test_yml.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# pylint: disable=no-self-use, pointless-statement, missing-docstring, invalid-name
import logging
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import os
import babelfish
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import yaml # pylint:disable=wrong-import-order
from rebulk.remodule import re
from rebulk.utils import is_iterable
from .. import guessit
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from ..options import parse_options
from ..yamlutils import OrderedDictYAMLLoader
logger = logging.getLogger(__name__)
__location__ = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))
class EntryResult(object):
def __init__(self, string, negates=False):
self.string = string
self.negates = negates
self.valid = []
self.missing = []
self.different = []
self.extra = []
self.others = []
@property
def ok(self):
if self.negates:
return self.missing or self.different
return not self.missing and not self.different and not self.extra and not self.others
@property
def warning(self):
if self.negates:
return False
return not self.missing and not self.different and self.extra
@property
def error(self):
if self.negates:
return not self.missing and not self.different and not self.others
return self.missing or self.different or self.others
def __repr__(self):
if self.ok:
return self.string + ': OK!'
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if self.warning:
return f'{"-" if self.negates else ""}{self.string}: ' \
f'WARNING! (valid={len(self.valid)}, extra={self.extra})'
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if self.error:
return f'{"-" if self.negates else ""}{self.string}: ' \
f'ERROR! (valid={len(self.valid)}, extra={self.extra}, ' \
f'missing={self.missing}, different={self.different}, others={self.others})'
return f'{"-" if self.negates else ""}{self.string}: ' \
f'UNKOWN! (valid={len(self.valid)}, extra={self.extra}, ' \
f'missing={self.missing}, different={self.different}, others={self.others})'
@property
def details(self):
ret = []
if self.valid:
ret.append('valid=' + str(len(self.valid)))
for valid in self.valid:
ret.append(' ' * 4 + str(valid))
if self.missing:
ret.append('missing=' + str(len(self.missing)))
for missing in self.missing:
ret.append(' ' * 4 + str(missing))
if self.different:
ret.append('different=' + str(len(self.different)))
for different in self.different:
ret.append(' ' * 4 + str(different))
if self.extra:
ret.append('extra=' + str(len(self.extra)))
for extra in self.extra:
ret.append(' ' * 4 + str(extra))
if self.others:
ret.append('others=' + str(len(self.others)))
for other in self.others:
ret.append(' ' * 4 + str(other))
return ret
class Results(list):
def assert_ok(self):
errors = [entry for entry in self if entry.error]
assert not errors
def files_and_ids(predicate=None):
files = []
ids = []
for (dirpath, _, filenames) in os.walk(__location__):
if os.path.split(dirpath)[-1] == 'config':
continue
if dirpath == __location__:
dirpath_rel = ''
else:
dirpath_rel = os.path.relpath(dirpath, __location__)
for filename in filenames:
name, ext = os.path.splitext(filename)
filepath = os.path.join(dirpath_rel, filename)
if ext in ['.yml', '.yaml'] and (not predicate or predicate(filepath)):
files.append(filepath)
ids.append(os.path.join(dirpath_rel, name))
return files, ids
class TestYml(object):
"""
Run tests from yaml files.
Multiple input strings having same expected results can be chained.
Use $ marker to check inputs that should not match results.
"""
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options_re = re.compile(r'^([ +-]+)(.*)')
def _get_unique_id(self, collection, base_id):
ret = base_id
i = 2
while ret in collection:
suffix = "-" + str(i)
ret = base_id + suffix
i += 1
return ret
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def pytest_generate_tests(self, metafunc):
if 'yml_test_case' in metafunc.fixturenames:
entries = []
entry_ids = []
entry_set = set()
for filename, _ in zip(*files_and_ids()):
with open(os.path.join(__location__, filename), 'r', encoding='utf-8') as infile:
data = yaml.load(infile, OrderedDictYAMLLoader)
last_expected = None
for string, expected in reversed(list(data.items())):
if expected is None:
data[string] = last_expected
else:
last_expected = expected
default = None
try:
default = data['__default__']
del data['__default__']
except KeyError:
pass
for string, expected in data.items():
TestYml.set_default(expected, default)
string = TestYml.fix_encoding(string)
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entries.append((filename, string, expected))
unique_id = self._get_unique_id(entry_set, '[' + filename + '] ' + str(string))
entry_set.add(unique_id)
entry_ids.append(unique_id)
metafunc.parametrize('yml_test_case', entries, ids=entry_ids)
@staticmethod
def set_default(expected, default):
if default:
for k, v in default.items():
if k not in expected:
expected[k] = v
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@classmethod
def fix_encoding(cls, string):
if not isinstance(string, str):
string = str(string)
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return string
def test_entry(self, yml_test_case):
filename, string, expected = yml_test_case
result = self.check_data(filename, string, expected)
assert not result.error
def check_data(self, filename, string, expected):
entry = self.check(string, expected)
if entry.ok:
logger.debug('[%s] %s', filename, entry)
elif entry.warning:
logger.warning('[%s] %s', filename, entry)
elif entry.error:
logger.error('[%s] %s', filename, entry)
for line in entry.details:
logger.error('[%s] %s', filename, ' ' * 4 + line)
return entry
def check(self, string, expected):
negates, global_, string = self.parse_token_options(string)
options = expected.get('options')
if options is None:
options = {}
if not isinstance(options, dict):
options = parse_options(options)
try:
result = guessit(string, options)
except Exception as exc:
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logger.error('[%s] Exception: %s', string, exc)
raise exc
entry = EntryResult(string, negates)
if global_:
self.check_global(string, result, entry)
self.check_expected(result, expected, entry)
return entry
def parse_token_options(self, string):
matches = self.options_re.search(string)
negates = False
global_ = False
if matches:
string = matches.group(2)
for opt in matches.group(1):
if '-' in opt:
negates = True
if '+' in opt:
global_ = True
return negates, global_, string
def check_global(self, string, result, entry):
global_span = []
for result_matches in result.matches.values():
for result_match in result_matches:
if not global_span:
global_span = list(result_match.span)
else:
if global_span[0] > result_match.span[0]:
global_span[0] = result_match.span[0]
if global_span[1] < result_match.span[1]:
global_span[1] = result_match.span[1]
if global_span and global_span[1] - global_span[0] < len(string):
entry.others.append("Match is not global")
def is_same(self, value, expected):
values = set(value) if is_iterable(value) else set((value,))
expecteds = set(expected) if is_iterable(expected) else set((expected,))
if len(values) != len(expecteds):
return False
if isinstance(next(iter(values)), babelfish.Language):
# pylint: disable=no-member
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expecteds = {babelfish.Language.fromguessit(expected) for expected in expecteds}
elif isinstance(next(iter(values)), babelfish.Country):
# pylint: disable=no-member
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expecteds = {babelfish.Country.fromguessit(expected) for expected in expecteds}
return values == expecteds
def check_expected(self, result, expected, entry):
if expected:
for expected_key, expected_value in expected.items():
if expected_key and expected_key != 'options' and expected_value is not None:
negates_key, _, result_key = self.parse_token_options(expected_key)
if result_key in result.keys():
if not self.is_same(result[result_key], expected_value):
if negates_key:
entry.valid.append((expected_key, expected_value))
else:
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entry.different.append((expected_key, expected_value, result[result_key]))
else:
if negates_key:
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entry.different.append((expected_key, expected_value, result[result_key]))
else:
entry.valid.append((expected_key, expected_value))
elif not negates_key:
entry.missing.append((expected_key, expected_value))
for result_key, result_value in result.items():
if result_key not in expected.keys():
entry.extra.append((result_key, result_value))