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import os
import shutil
import stat
import tempfile
import unittest
from unittest.mock import patch
from Orange.misc.utils.embedder_utils import get_proxies, EmbedderCache
class TestProxies(unittest.TestCase):
def setUp(self) -> None:
self.previous_http = os.environ.get("http_proxy")
self.previous_https = os.environ.get("https_proxy")
os.environ.pop("http_proxy", None)
os.environ.pop("https_proxy", None)
def tearDown(self) -> None:
os.environ.pop("http_proxy", None)
os.environ.pop("https_proxy", None)
if self.previous_http is not None:
os.environ["http_proxy"] = self.previous_http
if self.previous_https is not None:
os.environ["https_proxy"] = self.previous_https
def test_add_scheme(self):
os.environ["http_proxy"] = "test1.com"
os.environ["https_proxy"] = "test2.com"
res = get_proxies()
self.assertEqual("http://test1.com", res.get("http://"))
self.assertEqual("http://test2.com", res.get("https://"))
os.environ["http_proxy"] = "test1.com/path"
os.environ["https_proxy"] = "test2.com/path"
res = get_proxies()
self.assertEqual("http://test1.com/path", res.get("http://"))
self.assertEqual("http://test2.com/path", res.get("https://"))
os.environ["http_proxy"] = "https://test1.com:123"
os.environ["https_proxy"] = "https://test2.com:124"
res = get_proxies()
self.assertEqual("https://test1.com:123", res.get("http://"))
self.assertEqual("https://test2.com:124", res.get("https://"))
def test_both_urls(self):
os.environ["http_proxy"] = "http://test1.com:123"
os.environ["https_proxy"] = "https://test2.com:124"
res = get_proxies()
self.assertEqual("http://test1.com:123", res.get("http://"))
self.assertEqual("https://test2.com:124", res.get("https://"))
self.assertNotIn("all://", res)
def test_http_only(self):
os.environ["http_proxy"] = "http://test1.com:123"
res = get_proxies()
self.assertEqual("http://test1.com:123", res.get("http://"))
self.assertNotIn("https://", res)
def test_https_only(self):
os.environ["https_proxy"] = "https://test1.com:123"
res = get_proxies()
self.assertEqual("https://test1.com:123", res.get("https://"))
self.assertNotIn("http://", res)
def test_none(self):
""" When no variable is set return None """
self.assertIsNone(get_proxies())
class TestEmbedderCache(unittest.TestCase):
# pylint: disable=protected-access
def setUp(self):
self.temp_dir = tempfile.mkdtemp()
patcher = patch(
"Orange.misc.utils.embedder_utils.cache_dir", return_value=self.temp_dir
)
patcher.start()
self.addCleanup(patch.stopall)
def tearDown(self):
shutil.rmtree(self.temp_dir)
def test_save_load_cache(self):
# open when cache file doesn't exist yet
cache = EmbedderCache("TestModel")
self.assertDictEqual({}, cache._cache_dict)
# add values and save to test opening with existing file
cache.add("abc", [1, 2, 3])
cache.persist_cache()
cache = EmbedderCache("TestModel")
self.assertDictEqual({"abc": [1, 2, 3]}, cache._cache_dict)
def test_save_cache_no_permission(self):
# prepare a file
cache = EmbedderCache("TestModel")
self.assertDictEqual({}, cache._cache_dict)
cache.add("abc", [1, 2, 3])
cache.persist_cache()
# set file to read-only and try to write
curr_permission = os.stat(cache._cache_file_path).st_mode
os.chmod(cache._cache_file_path, stat.S_IRUSR)
cache.add("abcd", [1, 2, 3])
# new values should be cached since file is readonly
cache.persist_cache()
cache = EmbedderCache("TestModel")
self.assertDictEqual({"abc": [1, 2, 3]}, cache._cache_dict)
os.chmod(cache._cache_file_path, curr_permission)
def test_load_cache_no_permission(self):
# prepare a file
cache = EmbedderCache("TestModel")
self.assertDictEqual({}, cache._cache_dict)
cache.add("abc", [1, 2, 3])
cache.persist_cache()
# no read permission - load no cache
if os.name == "nt":
with patch(
"Orange.misc.utils.embedder_utils.pickle.load",
side_effect=PermissionError,
):
# it is difficult to change write permission on Windows using
# patch instead
cache = EmbedderCache("TestModel")
else:
os.chmod(cache._cache_file_path, stat.S_IWUSR)
cache = EmbedderCache("TestModel")
self.assertDictEqual({}, cache._cache_dict)
def test_load_cache_eof_error(self):
# prepare a file
cache = EmbedderCache("TestModel")
self.assertDictEqual({}, cache._cache_dict)
cache.add("abc", [1, 2, 3])
cache.persist_cache()
# eof error
with patch(
"Orange.misc.utils.embedder_utils.pickle.load", side_effect=EOFError,
):
cache = EmbedderCache("TestModel")
self.assertDictEqual({}, cache._cache_dict)
if __name__ == "__main__":
unittest.main()
|
