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# Copyright (C) 2018 and later: Unicode, Inc. and others.
# License & terms of use: http://www.unicode.org/copyright.html
import io as pyio
import json
import os
import unittest
from .. import InFile
from ..comment_stripper import CommentStripper
from ..filtration import Filter
EXAMPLE_FILE_STEMS = [
"af_NA",
"af_VARIANT",
"af_ZA_VARIANT",
"af_ZA",
"af",
"ar",
"ar_SA",
"ars",
"bs_BA",
"bs_Cyrl_BA",
"bs_Cyrl",
"bs_Latn_BA",
"bs_Latn",
"bs",
"en_001",
"en_150",
"en_DE",
"en_GB",
"en_US",
"root",
"sr_BA",
"sr_CS",
"sr_Cyrl_BA",
"sr_Cyrl_CS",
"sr_Cyrl_ME",
"sr_Cyrl",
"sr_Latn_BA",
"sr_Latn_CS",
"sr_Latn_ME_VARIANT",
"sr_Latn_ME",
"sr_Latn",
"sr_ME",
"sr",
"vai_Latn_LR",
"vai_Latn",
"vai_LR",
"vai_Vaii_LR",
"vai_Vaii",
"vai",
"yue",
"zh_CN",
"zh_Hans_CN",
"zh_Hans_HK",
"zh_Hans_MO",
"zh_Hans_SG",
"zh_Hans",
"zh_Hant_HK",
"zh_Hant_MO",
"zh_Hant_TW",
"zh_Hant",
"zh_HK",
"zh_MO",
"zh_SG",
"zh_TW",
"zh"
]
class TestIO(object):
def __init__(self):
pass
def read_locale_deps(self, tree):
if tree not in ("brkitr", "locales", "rbnf"):
return None
with pyio.open(os.path.join(
os.path.dirname(__file__),
"sample_data",
tree,
"LOCALE_DEPS.json"
), "r", encoding="utf-8-sig") as f:
return json.load(CommentStripper(f))
class FiltrationTest(unittest.TestCase):
def test_exclude(self):
self._check_filter(Filter.create_from_json({
"filterType": "exclude"
}, TestIO()), [
])
def test_default_whitelist(self):
self._check_filter(Filter.create_from_json({
"whitelist": [
"ars",
"zh_Hans"
]
}, TestIO()), [
"ars",
"zh_Hans"
])
def test_default_blacklist(self):
expected_matches = set(EXAMPLE_FILE_STEMS)
expected_matches.remove("ars")
expected_matches.remove("zh_Hans")
self._check_filter(Filter.create_from_json({
"blacklist": [
"ars",
"zh_Hans"
]
}, TestIO()), expected_matches)
def test_language_whitelist(self):
self._check_filter(Filter.create_from_json({
"filterType": "language",
"whitelist": [
"af",
"bs"
]
}, TestIO()), [
"root",
"af_NA",
"af_VARIANT",
"af_ZA_VARIANT",
"af_ZA",
"af",
"bs_BA",
"bs_Cyrl_BA",
"bs_Cyrl",
"bs_Latn_BA",
"bs_Latn",
"bs"
])
def test_language_blacklist(self):
expected_matches = set(EXAMPLE_FILE_STEMS)
expected_matches.remove("af_NA")
expected_matches.remove("af_VARIANT")
expected_matches.remove("af_ZA_VARIANT")
expected_matches.remove("af_ZA")
expected_matches.remove("af")
self._check_filter(Filter.create_from_json({
"filterType": "language",
"blacklist": [
"af"
]
}, TestIO()), expected_matches)
def test_regex_whitelist(self):
self._check_filter(Filter.create_from_json({
"filterType": "regex",
"whitelist": [
r"^ar.*$",
r"^zh$"
]
}, TestIO()), [
"ar",
"ar_SA",
"ars",
"zh"
])
def test_regex_blacklist(self):
expected_matches = set(EXAMPLE_FILE_STEMS)
expected_matches.remove("ar")
expected_matches.remove("ar_SA")
expected_matches.remove("ars")
expected_matches.remove("zh")
self._check_filter(Filter.create_from_json({
"filterType": "regex",
"blacklist": [
r"^ar.*$",
r"^zh$"
]
}, TestIO()), expected_matches)
def test_locale_basic(self):
self._check_filter(Filter.create_from_json({
"filterType": "locale",
"whitelist": [
# Default scripts:
# sr => Cyrl
# vai => Vaii
# zh => Hans
"bs_BA", # is an alias to bs_Latn_BA
"en_DE",
"sr", # Language with no script
"vai_Latn", # Language with non-default script
"zh_Hans" # Language with default script
]
}, TestIO()), [
"root",
# bs: should include the full dependency tree of bs_BA
"bs_BA",
"bs_Latn_BA",
"bs_Latn",
"bs",
# en: should include the full dependency tree of en_DE
"en",
"en_DE",
"en_150",
"en_001",
# sr: include Cyrl, the default, but not Latn.
"sr",
"sr_BA",
"sr_CS",
"sr_Cyrl",
"sr_Cyrl_BA",
"sr_Cyrl_CS",
"sr_Cyrl_ME",
# vai: include Latn but NOT Vaii.
"vai_Latn",
"vai_Latn_LR",
# zh: include Hans but NOT Hant.
"zh",
"zh_CN",
"zh_SG",
"zh_Hans",
"zh_Hans_CN",
"zh_Hans_HK",
"zh_Hans_MO",
"zh_Hans_SG"
])
def test_locale_no_children(self):
self._check_filter(Filter.create_from_json({
"filterType": "locale",
"includeChildren": False,
"whitelist": [
# See comments in test_locale_basic.
"bs_BA",
"en_DE",
"sr",
"vai_Latn",
"zh_Hans"
]
}, TestIO()), [
"root",
"bs_BA",
"bs_Latn_BA",
"bs_Latn",
"bs",
"en",
"en_DE",
"en_150",
"en_001",
"sr",
"vai_Latn",
"zh",
"zh_Hans",
])
def test_locale_include_scripts(self):
self._check_filter(Filter.create_from_json({
"filterType": "locale",
"includeScripts": True,
"whitelist": [
# See comments in test_locale_basic.
"bs_BA",
"en_DE",
"sr",
"vai_Latn",
"zh_Hans"
]
}, TestIO()), [
"root",
# bs: includeScripts only works for language-only (without region)
"bs_BA",
"bs_Latn_BA",
"bs_Latn",
"bs",
# en: should include the full dependency tree of en_DE
"en",
"en_DE",
"en_150",
"en_001",
# sr: include Latn, since no particular script was requested.
"sr_BA",
"sr_CS",
"sr_Cyrl_BA",
"sr_Cyrl_CS",
"sr_Cyrl_ME",
"sr_Cyrl",
"sr_Latn_BA",
"sr_Latn_CS",
"sr_Latn_ME_VARIANT",
"sr_Latn_ME",
"sr_Latn",
"sr_ME",
"sr",
# vai: do NOT include Vaii; the script was explicitly requested.
"vai_Latn_LR",
"vai_Latn",
# zh: do NOT include Hant; the script was explicitly requested.
"zh_CN",
"zh_SG",
"zh_Hans_CN",
"zh_Hans_HK",
"zh_Hans_MO",
"zh_Hans_SG",
"zh_Hans",
"zh"
])
def test_locale_no_children_include_scripts(self):
self._check_filter(Filter.create_from_json({
"filterType": "locale",
"includeChildren": False,
"includeScripts": True,
"whitelist": [
# See comments in test_locale_basic.
"bs_BA",
"en_DE",
"sr",
"vai_Latn",
"zh_Hans"
]
}, TestIO()), [
"root",
# bs: includeScripts only works for language-only (without region)
"bs_BA",
"bs_Latn_BA",
"bs_Latn",
"bs",
# en: should include the full dependency tree of en_DE
"en",
"en_DE",
"en_150",
"en_001",
# sr: include Cyrl and Latn but no other children
"sr",
"sr_Cyrl",
"sr_Latn",
# vai: include only the requested script
"vai_Latn",
# zh: include only the requested script
"zh",
"zh_Hans",
])
def test_union(self):
self._check_filter(Filter.create_from_json({
"filterType": "union",
"unionOf": [
{
"whitelist": [
"ars",
"zh_Hans"
]
},
{
"filterType": "regex",
"whitelist": [
r"^bs.*$",
r"^zh$"
]
}
]
}, TestIO()), [
"ars",
"zh_Hans",
"bs_BA",
"bs_Cyrl_BA",
"bs_Cyrl",
"bs_Latn_BA",
"bs_Latn",
"bs",
"zh"
])
def test_hk_deps_normal(self):
self._check_filter(Filter.create_from_json({
"filterType": "locale",
"whitelist": [
"zh_HK"
]
}, TestIO()), [
"root",
"zh_Hant",
"zh_Hant_HK",
"zh_HK",
])
def test_hk_deps_rbnf(self):
self._check_filter(Filter.create_from_json({
"filterType": "locale",
"whitelist": [
"zh_HK"
]
}, TestIO()), [
"root",
"yue",
"zh_Hant_HK",
"zh_HK",
], "rbnf")
def test_no_alias_parent_structure(self):
self._check_filter(Filter.create_from_json({
"filterType": "locale",
"whitelist": [
"zh_HK"
]
}, TestIO()), [
"root",
"zh_HK",
"zh",
], "brkitr")
def _check_filter(self, filter, expected_matches, tree="locales"):
for file_stem in EXAMPLE_FILE_STEMS:
is_match = filter.match(InFile("%s/%s.txt" % (tree, file_stem)))
expected_match = file_stem in expected_matches
self.assertEqual(is_match, expected_match, file_stem)
# Export the test for the runner
suite = unittest.makeSuite(FiltrationTest)
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