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mirror of https://github.com/mikf/gallery-dl.git synced 2024-11-23 03:02:50 +01:00
gallery-dl/test/test_util.py
Mike Fährmann f7383a56f8
wrap filters/conditionals in a try-except block
allows accessing undefined fields without exception or locals().get(…)
but hides mistakes/typos/etc by evaluating to False without feedback

performance loss compared to the previous version without try-except
is negligible (~20ns for me)
2024-07-12 22:51:11 +02:00

791 lines
27 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2015-2023 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
import os
import sys
import unittest
import io
import random
import string
import datetime
import tempfile
import itertools
import http.cookiejar
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from gallery_dl import util, text, exception # noqa E402
class TestRange(unittest.TestCase):
def test_parse_empty(self, f=util.RangePredicate._parse):
self.assertEqual(f(""), [])
self.assertEqual(f([]), [])
def test_parse_digit(self, f=util.RangePredicate._parse):
self.assertEqual(f("2"), [range(2, 3)])
self.assertEqual(
f("2, 3, 4"),
[range(2, 3),
range(3, 4),
range(4, 5)],
)
def test_parse_range(self, f=util.RangePredicate._parse):
self.assertEqual(f("1-2"), [range(1, 3)])
self.assertEqual(f("2-"), [range(2, sys.maxsize)])
self.assertEqual(f("-3"), [range(1, 4)])
self.assertEqual(f("-"), [range(1, sys.maxsize)])
self.assertEqual(
f("-2,4,6-8,10-"),
[range(1, 3),
range(4, 5),
range(6, 9),
range(10, sys.maxsize)],
)
self.assertEqual(
f(" - 3 , 4- 4, 2-6"),
[range(1, 4),
range(4, 5),
range(2, 7)],
)
def test_parse_slice(self, f=util.RangePredicate._parse):
self.assertEqual(f("2:4") , [range(2, 4)])
self.assertEqual(f("3::") , [range(3, sys.maxsize)])
self.assertEqual(f(":4:") , [range(1, 4)])
self.assertEqual(f("::5") , [range(1, sys.maxsize, 5)])
self.assertEqual(f("::") , [range(1, sys.maxsize)])
self.assertEqual(f("2:3:4"), [range(2, 3, 4)])
self.assertEqual(
f("2:4, 4:, :4, :4:, ::4"),
[range(2, 4),
range(4, sys.maxsize),
range(1, 4),
range(1, 4),
range(1, sys.maxsize, 4)],
)
self.assertEqual(
f(" : 3 , 4: 4, 2:6"),
[range(1, 3),
range(4, 4),
range(2, 6)],
)
class TestPredicate(unittest.TestCase):
def test_range_predicate(self):
dummy = None
pred = util.RangePredicate(" - 3 , 4- 4, 2-6")
for i in range(6):
self.assertTrue(pred(dummy, dummy))
with self.assertRaises(exception.StopExtraction):
pred(dummy, dummy)
pred = util.RangePredicate("1, 3, 5")
self.assertTrue(pred(dummy, dummy))
self.assertFalse(pred(dummy, dummy))
self.assertTrue(pred(dummy, dummy))
self.assertFalse(pred(dummy, dummy))
self.assertTrue(pred(dummy, dummy))
with self.assertRaises(exception.StopExtraction):
pred(dummy, dummy)
pred = util.RangePredicate("")
with self.assertRaises(exception.StopExtraction):
pred(dummy, dummy)
def test_unique_predicate(self):
dummy = None
pred = util.UniquePredicate()
# no duplicates
self.assertTrue(pred("1", dummy))
self.assertTrue(pred("2", dummy))
self.assertFalse(pred("1", dummy))
self.assertFalse(pred("2", dummy))
self.assertTrue(pred("3", dummy))
self.assertFalse(pred("3", dummy))
# duplicates for "text:"
self.assertTrue(pred("text:123", dummy))
self.assertTrue(pred("text:123", dummy))
self.assertTrue(pred("text:123", dummy))
def test_filter_predicate(self):
url = ""
pred = util.FilterPredicate("a < 3")
self.assertTrue(pred(url, {"a": 2}))
self.assertFalse(pred(url, {"a": 3}))
with self.assertRaises(SyntaxError):
util.FilterPredicate("(")
self.assertFalse(
util.FilterPredicate("a > 1")(url, {"a": None}))
self.assertFalse(
util.FilterPredicate("b > 1")(url, {"a": 2}))
pred = util.FilterPredicate(["a < 3", "b < 4", "c < 5"])
self.assertTrue(pred(url, {"a": 2, "b": 3, "c": 4}))
self.assertFalse(pred(url, {"a": 3, "b": 3, "c": 4}))
self.assertFalse(pred(url, {"a": 2, "b": 4, "c": 4}))
self.assertFalse(pred(url, {"a": 2, "b": 3, "c": 5}))
self.assertFalse(pred(url, {"a": 2}))
def test_build_predicate(self):
pred = util.build_predicate([])
self.assertIsInstance(pred, type(lambda: True))
pred = util.build_predicate([util.UniquePredicate()])
self.assertIsInstance(pred, util.UniquePredicate)
pred = util.build_predicate([util.UniquePredicate(),
util.UniquePredicate()])
self.assertIs(pred.func, util.chain_predicates)
class TestISO639_1(unittest.TestCase):
def test_code_to_language(self):
d = "default"
self._run_test(util.code_to_language, {
("en",): "English",
("FR",): "French",
("ja",): "Japanese",
("xx",): None,
("" ,): None,
(None,): None,
("en", d): "English",
("FR", d): "French",
("xx", d): d,
("" , d): d,
(None, d): d,
})
def test_language_to_code(self):
d = "default"
self._run_test(util.language_to_code, {
("English",): "en",
("fRENch",): "fr",
("Japanese",): "ja",
("xx",): None,
("" ,): None,
(None,): None,
("English", d): "en",
("fRENch", d): "fr",
("xx", d): d,
("" , d): d,
(None, d): d,
})
def _run_test(self, func, tests):
for args, result in tests.items():
self.assertEqual(func(*args), result)
class TestCookiesTxt(unittest.TestCase):
def test_cookiestxt_load(self):
def _assert(content, expected):
jar = http.cookiejar.CookieJar()
util.cookiestxt_load(io.StringIO(content, None), jar)
for c, e in zip(jar, expected):
self.assertEqual(c.__dict__, e.__dict__)
_assert("", [])
_assert("\n\n\n", [])
_assert("$ Comment", [])
_assert("# Comment", [])
_assert(" # Comment \n\n $ Comment ", [])
_assert(
".example.org\tTRUE\t/\tTRUE\t0\tname\tvalue",
[self._cookie("name", "value", ".example.org")],
)
_assert(
".example.org\tTRUE\t/\tTRUE\t\tname\t",
[self._cookie("name", "", ".example.org")],
)
_assert(
"\tTRUE\t/\tTRUE\t\tname\t",
[self._cookie("name", "", "")],
)
_assert(
"# Netscape HTTP Cookie File\n"
"\n"
"# default\n"
".example.org TRUE / FALSE 0 n1 v1\n"
".example.org TRUE / TRUE 2145945600 n2 v2\n"
".example.org TRUE /path FALSE 0 n3\n"
"\n"
" # # extra # # \n"
"www.example.org FALSE / FALSE n4 \n"
"www.example.org FALSE /path FALSE 100 n5 v5\n",
[
self._cookie(
"n1", "v1", ".example.org", True, "/", False),
self._cookie(
"n2", "v2", ".example.org", True, "/", True, 2145945600),
self._cookie(
"n3", None, ".example.org", True, "/path", False),
self._cookie(
"n4", "" , "www.example.org", False, "/", False),
self._cookie(
"n5", "v5", "www.example.org", False, "/path", False, 100),
],
)
with self.assertRaises(ValueError):
util.cookiestxt_load("example.org\tTRUE\t/\tTRUE\t0\tname",
http.cookiejar.CookieJar())
def test_cookiestxt_store(self):
def _assert(cookies, expected):
fp = io.StringIO(newline=None)
util.cookiestxt_store(fp, cookies)
self.assertMultiLineEqual(fp.getvalue(), expected)
_assert([], "# Netscape HTTP Cookie File\n\n")
_assert(
[self._cookie("name", "value", ".example.org")],
"# Netscape HTTP Cookie File\n\n"
".example.org\tTRUE\t/\tTRUE\t0\tname\tvalue\n",
)
_assert(
[
self._cookie(
"n1", "v1", ".example.org", True, "/", False),
self._cookie(
"n2", "v2", ".example.org", True, "/", True, 2145945600),
self._cookie(
"n3", None, ".example.org", True, "/path", False),
self._cookie(
"n4", "" , "www.example.org", False, "/", False),
self._cookie(
"n5", "v5", "www.example.org", False, "/path", False, 100),
self._cookie(
"n6", "v6", "", False),
],
"# Netscape HTTP Cookie File\n"
"\n"
".example.org TRUE / FALSE 0 n1 v1\n"
".example.org TRUE / TRUE 2145945600 n2 v2\n"
".example.org TRUE /path FALSE 0 n3\n"
"www.example.org FALSE / FALSE 0 n4 \n"
"www.example.org FALSE /path FALSE 100 n5 v5\n",
)
def _cookie(self, name, value, domain, domain_specified=True,
path="/", secure=True, expires=None):
return http.cookiejar.Cookie(
0, name, value, None, False,
domain, domain_specified, domain.startswith("."),
path, False, secure, expires, False, None, None, {},
)
class TestOther(unittest.TestCase):
def test_bencode(self):
self.assertEqual(util.bencode(0), "")
self.assertEqual(util.bencode(123), "123")
self.assertEqual(util.bencode(123, "01"), "1111011")
self.assertEqual(util.bencode(123, "BA"), "AAAABAA")
def test_bdecode(self):
self.assertEqual(util.bdecode(""), 0)
self.assertEqual(util.bdecode("123"), 123)
self.assertEqual(util.bdecode("1111011", "01"), 123)
self.assertEqual(util.bdecode("AAAABAA", "BA"), 123)
def test_bencode_bdecode(self):
for _ in range(100):
value = random.randint(0, 1000000)
for alphabet in ("01", "0123456789", string.ascii_letters):
result = util.bdecode(util.bencode(value, alphabet), alphabet)
self.assertEqual(result, value)
def test_advance(self):
items = range(5)
self.assertCountEqual(
util.advance(items, 0), items)
self.assertCountEqual(
util.advance(items, 3), range(3, 5))
self.assertCountEqual(
util.advance(items, 9), [])
self.assertCountEqual(
util.advance(util.advance(items, 1), 2), range(3, 5))
def test_unique(self):
self.assertSequenceEqual(
list(util.unique("")), "")
self.assertSequenceEqual(
list(util.unique("AABBCC")), "ABC")
self.assertSequenceEqual(
list(util.unique("ABABABCAABBCC")), "ABC")
self.assertSequenceEqual(
list(util.unique([1, 2, 1, 3, 2, 1])), [1, 2, 3])
def test_unique_sequence(self):
self.assertSequenceEqual(
list(util.unique_sequence("")), "")
self.assertSequenceEqual(
list(util.unique_sequence("AABBCC")), "ABC")
self.assertSequenceEqual(
list(util.unique_sequence("ABABABCAABBCC")), "ABABABCABC")
self.assertSequenceEqual(
list(util.unique_sequence([1, 2, 1, 3, 2, 1])), [1, 2, 1, 3, 2, 1])
def test_contains(self):
c = [1, "2", 3, 4, "5", "foo"]
self.assertTrue(util.contains(c, 1))
self.assertTrue(util.contains(c, "foo"))
self.assertTrue(util.contains(c, [1, 3, "5"]))
self.assertTrue(util.contains(c, ["a", "b", "5"]))
self.assertFalse(util.contains(c, "bar"))
self.assertFalse(util.contains(c, [2, 5, "bar"]))
s = "1 2 3 asd qwe y(+)c f(+)(-) bar"
self.assertTrue(util.contains(s, "y(+)c"))
self.assertTrue(util.contains(s, ["asd", "qwe", "yxc"]))
self.assertTrue(util.contains(s, ["sdf", "dfg", "qwe"]))
self.assertFalse(util.contains(s, "tag1"))
self.assertFalse(util.contains(s, ["tag1", "tag2", "tag3"]))
s = "1, 2, 3, asd, qwe, y(+)c, f(+)(-), bar"
self.assertTrue(util.contains(s, "y(+)c", ", "))
self.assertTrue(util.contains(s, ["sdf", "dfg", "qwe"], ", "))
self.assertFalse(util.contains(s, "tag1", ", "))
def test_raises(self):
func = util.raises(Exception)
with self.assertRaises(Exception):
func()
func = util.raises(ValueError)
with self.assertRaises(ValueError):
func(1)
with self.assertRaises(ValueError):
func(2)
with self.assertRaises(ValueError):
func(3)
def test_identity(self):
for value in (123, "foo", [1, 2, 3], (1, 2, 3), {1: 2}, None):
self.assertIs(util.identity(value), value)
def test_noop(self):
self.assertEqual(util.noop(), None)
def test_md5(self):
self.assertEqual(util.md5(b""),
"d41d8cd98f00b204e9800998ecf8427e")
self.assertEqual(util.md5(b"hello"),
"5d41402abc4b2a76b9719d911017c592")
self.assertEqual(util.md5(""),
"d41d8cd98f00b204e9800998ecf8427e")
self.assertEqual(util.md5("hello"),
"5d41402abc4b2a76b9719d911017c592")
self.assertEqual(util.md5("ワルド"),
"051f29cd6c942cf110a0ccc5729871d2")
self.assertEqual(util.md5(0),
"d41d8cd98f00b204e9800998ecf8427e")
self.assertEqual(util.md5(()),
"d41d8cd98f00b204e9800998ecf8427e")
self.assertEqual(util.md5(None),
"d41d8cd98f00b204e9800998ecf8427e")
def test_sha1(self):
self.assertEqual(util.sha1(b""),
"da39a3ee5e6b4b0d3255bfef95601890afd80709")
self.assertEqual(util.sha1(b"hello"),
"aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d")
self.assertEqual(util.sha1(""),
"da39a3ee5e6b4b0d3255bfef95601890afd80709")
self.assertEqual(util.sha1("hello"),
"aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d")
self.assertEqual(util.sha1("ワルド"),
"0cbe319081aa0e9298448ec2bb16df8c494aa04e")
self.assertEqual(util.sha1(0),
"da39a3ee5e6b4b0d3255bfef95601890afd80709")
self.assertEqual(util.sha1(()),
"da39a3ee5e6b4b0d3255bfef95601890afd80709")
self.assertEqual(util.sha1(None),
"da39a3ee5e6b4b0d3255bfef95601890afd80709")
def test_compile_expression(self):
expr = util.compile_expression("1 + 2 * 3")
self.assertEqual(expr(), 7)
self.assertEqual(expr({"a": 1, "b": 2, "c": 3}), 7)
self.assertEqual(expr({"a": 9, "b": 9, "c": 9}), 7)
expr = util.compile_expression("a + b * c")
self.assertEqual(expr({"a": 1, "b": 2, "c": 3}), 7)
self.assertEqual(expr({"a": 9, "b": 9, "c": 9}), 90)
expr = util.compile_expression_raw("a + b * c")
with self.assertRaises(NameError):
expr()
with self.assertRaises(NameError):
expr({"a": 2})
with self.assertRaises(SyntaxError):
util.compile_expression("")
with self.assertRaises(SyntaxError):
util.compile_expression("x++")
expr = util.compile_expression("1 and abort()")
with self.assertRaises(exception.StopExtraction):
expr()
def test_import_file(self):
module = util.import_file("datetime")
self.assertIs(module, datetime)
with tempfile.TemporaryDirectory() as path:
file = path + "/module_test.py"
with open(file, "w") as fp:
fp.write("""
import datetime
key = "foobar"
value = 123
""")
module = util.import_file(file)
self.assertEqual(module.__name__, "module_test")
self.assertEqual(module.key, "foobar")
self.assertEqual(module.value, 123)
self.assertIs(module.datetime, datetime)
def test_custom_globals(self):
value = {"v": "foobar"}
result = "8843d7f92416211de9ebb963ff4ce28125932878"
expr = util.compile_expression("hash_sha1(v)")
self.assertEqual(expr(value), result)
expr = util.compile_expression("hs(v)", globals={"hs": util.sha1})
self.assertEqual(expr(value), result)
with tempfile.TemporaryDirectory() as path:
file = path + "/module_sha1.py"
with open(file, "w") as fp:
fp.write("""
import hashlib
def hash(value):
return hashlib.sha1(value.encode()).hexdigest()
""")
module = util.import_file(file)
expr = util.compile_expression("hash(v)", globals=module.__dict__)
self.assertEqual(expr(value), result)
GLOBALS_ORIG = util.GLOBALS
try:
util.GLOBALS = module.__dict__
expr = util.compile_expression("hash(v)")
finally:
util.GLOBALS = GLOBALS_ORIG
self.assertEqual(expr(value), result)
def test_build_duration_func(self, f=util.build_duration_func):
def test_single(df, v):
for _ in range(10):
self.assertEqual(df(), v)
def test_range(df, lower, upper):
for __ in range(10):
v = df()
self.assertGreaterEqual(v, lower)
self.assertLessEqual(v, upper)
for v in (0, 0.0, "", None, (), []):
self.assertIsNone(f(v))
for v in (0, 0.0, "", None, (), []):
test_single(f(v, 1.0), 1.0)
test_single(f(3), 3)
test_single(f(3.0), 3.0)
test_single(f("3"), 3)
test_single(f("3.0-"), 3)
test_single(f(" 3 -"), 3)
test_range(f((2, 4)), 2, 4)
test_range(f([2, 4]), 2, 4)
test_range(f("2-4"), 2, 4)
test_range(f(" 2.0 - 4 "), 2, 4)
def test_extractor_filter(self):
# empty
func = util.build_extractor_filter("")
self.assertEqual(func(TestExtractor) , True)
self.assertEqual(func(TestExtractorParent), True)
self.assertEqual(func(TestExtractorAlt) , True)
# category
func = util.build_extractor_filter("test_category")
self.assertEqual(func(TestExtractor) , False)
self.assertEqual(func(TestExtractorParent), False)
self.assertEqual(func(TestExtractorAlt) , True)
# subcategory
func = util.build_extractor_filter("*:test_subcategory")
self.assertEqual(func(TestExtractor) , False)
self.assertEqual(func(TestExtractorParent), True)
self.assertEqual(func(TestExtractorAlt) , False)
# basecategory
func = util.build_extractor_filter("test_basecategory")
self.assertEqual(func(TestExtractor) , False)
self.assertEqual(func(TestExtractorParent), False)
self.assertEqual(func(TestExtractorAlt) , False)
# category-subcategory pair
func = util.build_extractor_filter("test_category:test_subcategory")
self.assertEqual(func(TestExtractor) , False)
self.assertEqual(func(TestExtractorParent), True)
self.assertEqual(func(TestExtractorAlt) , True)
# combination
func = util.build_extractor_filter(
["test_category", "*:test_subcategory"])
self.assertEqual(func(TestExtractor) , False)
self.assertEqual(func(TestExtractorParent), False)
self.assertEqual(func(TestExtractorAlt) , False)
# whitelist
func = util.build_extractor_filter(
"test_category:test_subcategory", negate=False)
self.assertEqual(func(TestExtractor) , True)
self.assertEqual(func(TestExtractorParent), False)
self.assertEqual(func(TestExtractorAlt) , False)
func = util.build_extractor_filter(
["test_category:test_subcategory", "*:test_subcategory_parent"],
negate=False)
self.assertEqual(func(TestExtractor) , True)
self.assertEqual(func(TestExtractorParent), True)
self.assertEqual(func(TestExtractorAlt) , False)
def test_generate_token(self):
tokens = set()
for _ in range(100):
token = util.generate_token()
tokens.add(token)
self.assertEqual(len(token), 16 * 2)
self.assertRegex(token, r"^[0-9a-f]+$")
self.assertGreaterEqual(len(tokens), 99)
token = util.generate_token(80)
self.assertEqual(len(token), 80 * 2)
self.assertRegex(token, r"^[0-9a-f]+$")
def test_format_value(self):
self.assertEqual(util.format_value(0) , "0")
self.assertEqual(util.format_value(1) , "1")
self.assertEqual(util.format_value(12) , "12")
self.assertEqual(util.format_value(123) , "123")
self.assertEqual(util.format_value(1234) , "1.23k")
self.assertEqual(util.format_value(12345) , "12.34k")
self.assertEqual(util.format_value(123456) , "123.45k")
self.assertEqual(util.format_value(1234567) , "1.23M")
self.assertEqual(util.format_value(12345678) , "12.34M")
self.assertEqual(util.format_value(123456789) , "123.45M")
self.assertEqual(util.format_value(1234567890), "1.23G")
def test_combine_dict(self):
self.assertEqual(
util.combine_dict({}, {}),
{})
self.assertEqual(
util.combine_dict({1: 1, 2: 2}, {2: 4, 4: 8}),
{1: 1, 2: 4, 4: 8})
self.assertEqual(
util.combine_dict(
{1: {11: 22, 12: 24}, 2: {13: 26, 14: 28}},
{1: {11: 33, 13: 39}, 2: "str"}),
{1: {11: 33, 12: 24, 13: 39}, 2: "str"})
self.assertEqual(
util.combine_dict(
{1: {2: {3: {4: {"1": "a", "2": "b"}}}}},
{1: {2: {3: {4: {"1": "A", "3": "C"}}}}}),
{1: {2: {3: {4: {"1": "A", "2": "b", "3": "C"}}}}})
def test_transform_dict(self):
d = {}
util.transform_dict(d, str)
self.assertEqual(d, {})
d = {1: 123, 2: "123", 3: True, 4: None}
util.transform_dict(d, str)
self.assertEqual(
d, {1: "123", 2: "123", 3: "True", 4: "None"})
d = {1: 123, 2: "123", 3: "foo", 4: {11: 321, 12: "321", 13: "bar"}}
util.transform_dict(d, text.parse_int)
self.assertEqual(
d, {1: 123, 2: 123, 3: 0, 4: {11: 321, 12: 321, 13: 0}})
def test_filter_dict(self):
d = {}
r = util.filter_dict(d)
self.assertEqual(r, d)
self.assertIsNot(r, d)
d = {"foo": 123, "bar": [], "baz": None}
r = util.filter_dict(d)
self.assertEqual(r, d)
self.assertIsNot(r, d)
d = {"foo": 123, "_bar": [], "__baz__": None}
r = util.filter_dict(d)
self.assertEqual(r, {"foo": 123})
def test_enumerate_reversed(self):
seq = [11, 22, 33]
result = [(3, 33), (2, 22), (1, 11)]
def gen():
for i in seq:
yield i
def gen_2():
yield from seq
def assertEqual(it1, it2):
ae = self.assertEqual
for i1, i2 in itertools.zip_longest(it1, it2):
ae(i1, i2)
assertEqual(
util.enumerate_reversed(seq), [(2, 33), (1, 22), (0, 11)])
assertEqual(
util.enumerate_reversed(seq, 1), result)
assertEqual(
util.enumerate_reversed(seq, 2), [(4, 33), (3, 22), (2, 11)])
assertEqual(
util.enumerate_reversed(gen(), 0, len(seq)),
[(2, 33), (1, 22), (0, 11)])
assertEqual(
util.enumerate_reversed(gen(), 1, len(seq)), result)
assertEqual(
util.enumerate_reversed(gen_2(), 1, len(seq)), result)
assertEqual(
util.enumerate_reversed(gen_2(), 2, len(seq)),
[(4, 33), (3, 22), (2, 11)])
def test_number_to_string(self, f=util.number_to_string):
self.assertEqual(f(1) , "1")
self.assertEqual(f(1.0) , "1.0")
self.assertEqual(f("1.0") , "1.0")
self.assertEqual(f([1]) , [1])
self.assertEqual(f({1: 2}), {1: 2})
self.assertEqual(f(True) , True)
self.assertEqual(f(None) , None)
def test_to_string(self, f=util.to_string):
self.assertEqual(f(1) , "1")
self.assertEqual(f(1.0) , "1.0")
self.assertEqual(f("1.0"), "1.0")
self.assertEqual(f("") , "")
self.assertEqual(f(None) , "")
self.assertEqual(f(0) , "")
self.assertEqual(f(["a"]), "a")
self.assertEqual(f([1]) , "1")
self.assertEqual(f(["a", "b", "c"]), "a, b, c")
self.assertEqual(f([1, 2, 3]), "1, 2, 3")
def test_datetime_to_timestamp(self, f=util.datetime_to_timestamp):
self.assertEqual(f(util.EPOCH), 0.0)
self.assertEqual(f(datetime.datetime(2010, 1, 1)), 1262304000.0)
self.assertEqual(f(datetime.datetime(2010, 1, 1, 0, 0, 0, 128000)),
1262304000.128000)
with self.assertRaises(TypeError):
f(None)
def test_datetime_to_timestamp_string(
self, f=util.datetime_to_timestamp_string):
self.assertEqual(f(util.EPOCH), "0")
self.assertEqual(f(datetime.datetime(2010, 1, 1)), "1262304000")
self.assertEqual(f(None), "")
def test_universal_none(self):
obj = util.NONE
self.assertFalse(obj)
self.assertEqual(len(obj), 0)
self.assertEqual(str(obj), str(None))
self.assertEqual(repr(obj), repr(None))
self.assertEqual(format(obj), str(None))
self.assertEqual(format(obj, "%F"), str(None))
self.assertIs(obj.attr, obj)
self.assertIs(obj["key"], obj)
self.assertIs(obj(), obj)
self.assertIs(obj(1, "a"), obj)
self.assertIs(obj(foo="bar"), obj)
self.assertEqual(util.json_dumps(obj), "null")
self.assertLess(obj, "foo")
self.assertLessEqual(obj, None)
self.assertFalse(obj == obj)
self.assertTrue(obj != obj)
self.assertGreater(123, obj)
self.assertGreaterEqual(1.23, obj)
mapping = {}
mapping[obj] = 123
self.assertIn(obj, mapping)
i = 0
for _ in obj:
i += 1
self.assertEqual(i, 0)
class TestExtractor():
category = "test_category"
subcategory = "test_subcategory"
basecategory = "test_basecategory"
class TestExtractorParent(TestExtractor):
category = "test_category"
subcategory = "test_subcategory_parent"
class TestExtractorAlt(TestExtractor):
category = "test_category_alt"
subcategory = "test_subcategory"
if __name__ == "__main__":
unittest.main()