#!/usr/bin/env python3 # -*- coding: utf-8 -*- # Copyright 2021-2023 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 time import unittest import datetime import tempfile sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) from gallery_dl import formatter, text, util # noqa E402 class TestFormatter(unittest.TestCase): kwdict = { "a": "hElLo wOrLd", "b": "äöü", "j": "げんそうきょう", "d": {"a": "foo", "b": 0, "c": None}, "i": 2, "l": ["a", "b", "c"], "n": None, "s": " \n\r\tSPACE ", "h": "

foo

& bar

", "u": "'< / >'", "t": 1262304000, "ds": "2010-01-01T01:00:00+0100", "dt": datetime.datetime(2010, 1, 1), "dt_dst": datetime.datetime(2010, 6, 1), "name": "Name", "title1": "Title", "title2": "", "title3": None, "title4": 0, } def test_conversions(self): self._run_test("{a!l}", "hello world") self._run_test("{a!u}", "HELLO WORLD") self._run_test("{a!c}", "Hello world") self._run_test("{a!C}", "Hello World") self._run_test("{s!t}", "SPACE") self._run_test("{a!U}", self.kwdict["a"]) self._run_test("{u!U}", "'< / >'") self._run_test("{a!H}", self.kwdict["a"]) self._run_test("{h!H}", "foo & bar") self._run_test("{u!H}", "'< / >'") self._run_test("{n!H}", "") self._run_test("{a!s}", self.kwdict["a"]) self._run_test("{a!r}", "'" + self.kwdict["a"] + "'") self._run_test("{a!a}", "'" + self.kwdict["a"] + "'") self._run_test("{b!a}", "'\\xe4\\xf6\\xfc'") self._run_test("{a!S}", self.kwdict["a"]) self._run_test("{l!S}", "a, b, c") self._run_test("{n!S}", "") self._run_test("{t!d}", datetime.datetime(2010, 1, 1)) self._run_test("{t!d:%Y-%m-%d}", "2010-01-01") self._run_test("{dt!T}", "1262304000") self._run_test("{l!j}", '["a", "b", "c"]') self._run_test("{dt!j}", '"2010-01-01 00:00:00"') self._run_test("{a!g}", "hello-world") with self.assertRaises(KeyError): self._run_test("{a!q}", "hello world") def test_optional(self): self._run_test("{name}{title1}", "NameTitle") self._run_test("{name}{title1:?//}", "NameTitle") self._run_test("{name}{title1:? **/''/}", "Name **Title''") self._run_test("{name}{title2}", "Name") self._run_test("{name}{title2:?//}", "Name") self._run_test("{name}{title2:? **/''/}", "Name") self._run_test("{name}{title3}", "NameNone") self._run_test("{name}{title3:?//}", "Name") self._run_test("{name}{title3:? **/''/}", "Name") self._run_test("{name}{title4}", "Name0") self._run_test("{name}{title4:?//}", "Name") self._run_test("{name}{title4:? **/''/}", "Name") def test_missing(self): replacement = "None" self._run_test("{missing}", replacement) self._run_test("{missing.attr}", replacement) self._run_test("{missing[key]}", replacement) self._run_test("{missing:?a//}", "") self._run_test("{name[missing]}", replacement) self._run_test("{name[missing].attr}", replacement) self._run_test("{name[missing][key]}", replacement) self._run_test("{name[missing]:?a//}", "") def test_missing_custom_default(self): replacement = default = "foobar" self._run_test("{missing}" , replacement, default) self._run_test("{missing.attr}", replacement, default) self._run_test("{missing[key]}", replacement, default) self._run_test("{missing:?a//}", "a" + default, default) def test_fmt_func(self): self._run_test("{t}" , self.kwdict["t"] , None, int) self._run_test("{t}" , self.kwdict["t"] , None, util.identity) self._run_test("{dt}", self.kwdict["dt"], None, util.identity) self._run_test("{ds}", self.kwdict["dt"], None, text.parse_datetime) self._run_test("{ds:D%Y-%m-%dT%H:%M:%S%z}", self.kwdict["dt"], None, util.identity) def test_alternative(self): self._run_test("{a|z}" , "hElLo wOrLd") self._run_test("{z|a}" , "hElLo wOrLd") self._run_test("{z|y|a}" , "hElLo wOrLd") self._run_test("{z|y|x|a}", "hElLo wOrLd") self._run_test("{z|n|a|y}", "hElLo wOrLd") self._run_test("{z|a!C}" , "Hello World") self._run_test("{z|a:Rh/C/}" , "CElLo wOrLd") self._run_test("{z|a!C:RH/C/}", "Cello World") self._run_test("{z|y|x:?/}", "") self._run_test("{d[c]|d[b]|d[a]}", "foo") self._run_test("{d[a]|d[b]|d[c]}", "foo") self._run_test("{d[z]|d[y]|d[x]}", "None") def test_indexing(self): self._run_test("{l[0]}" , "a") self._run_test("{a[6]}" , "w") def test_dict_access(self): self._run_test("{d[a]}" , "foo") self._run_test("{d['a']}", "foo") self._run_test('{d["a"]}', "foo") def test_slice_str(self): v = self.kwdict["a"] self._run_test("{a[1:10]}" , v[1:10]) self._run_test("{a[-10:-1]}", v[-10:-1]) self._run_test("{a[5:]}" , v[5:]) self._run_test("{a[50:]}", v[50:]) self._run_test("{a[:5]}" , v[:5]) self._run_test("{a[:50]}", v[:50]) self._run_test("{a[:]}" , v) self._run_test("{a[1:10:2]}" , v[1:10:2]) self._run_test("{a[-10:-1:2]}", v[-10:-1:2]) self._run_test("{a[5::2]}" , v[5::2]) self._run_test("{a[50::2]}", v[50::2]) self._run_test("{a[:5:2]}" , v[:5:2]) self._run_test("{a[:50:2]}", v[:50:2]) self._run_test("{a[::]}" , v) self._run_test("{a:[1:10]}" , v[1:10]) self._run_test("{a:[-10:-1]}", v[-10:-1]) self._run_test("{a:[5:]}" , v[5:]) self._run_test("{a:[50:]}", v[50:]) self._run_test("{a:[:5]}" , v[:5]) self._run_test("{a:[:50]}", v[:50]) self._run_test("{a:[:]}" , v) self._run_test("{a:[1:10:2]}" , v[1:10:2]) self._run_test("{a:[-10:-1:2]}", v[-10:-1:2]) self._run_test("{a:[5::2]}" , v[5::2]) self._run_test("{a:[50::2]}", v[50::2]) self._run_test("{a:[:5:2]}" , v[:5:2]) self._run_test("{a:[:50:2]}", v[:50:2]) self._run_test("{a:[::]}" , v) def test_slice_bytes(self): v = self.kwdict["j"] self._run_test("{j[b1:10]}" , v[1:3]) self._run_test("{j[b-10:-1]}", v[-3:-1]) self._run_test("{j[b5:]}" , v[2:]) self._run_test("{j[b50:]}" , v[50:]) self._run_test("{j[b:5]}" , v[:1]) self._run_test("{j[b:50]}" , v[:50]) self._run_test("{j[b:]}" , v) self._run_test("{j[b::]}" , v) self._run_test("{j:[b1:10]}" , v[1:3]) self._run_test("{j:[b-10:-1]}", v[-3:-1]) self._run_test("{j:[b5:]}" , v[2:]) self._run_test("{j:[b50:]}" , v[50:]) self._run_test("{j:[b:5]}" , v[:1]) self._run_test("{j:[b:50]}" , v[:50]) self._run_test("{j:[b:]}" , v) self._run_test("{j:[b::]}" , v) def test_maxlen(self): v = self.kwdict["a"] self._run_test("{a:L5/foo/}" , "foo") self._run_test("{a:L50/foo/}", v) self._run_test("{a:L50/foo/>50}", " " * 39 + v) self._run_test("{a:L50/foo/>51}", "foo") self._run_test("{a:Lab/foo/}", "foo") def test_join(self): self._run_test("{l:J}" , "abc") self._run_test("{l:J,}" , "a,b,c") self._run_test("{l:J,/}" , "a,b,c") self._run_test("{l:J,/>20}" , " a,b,c") self._run_test("{l:J - }" , "a - b - c") self._run_test("{l:J - /}" , "a - b - c") self._run_test("{l:J - />20}", " a - b - c") self._run_test("{a:J/}" , self.kwdict["a"]) self._run_test("{a:J, /}" , self.kwdict["a"]) def test_replace(self): self._run_test("{a:Rh/C/}" , "CElLo wOrLd") self._run_test("{a!l:Rh/C/}", "Cello world") self._run_test("{a!u:Rh/C/}", "HELLO WORLD") self._run_test("{a!l:Rl/_/}", "he__o wor_d") self._run_test("{a!l:Rl//}" , "heo word") self._run_test("{name:Rame/othing/}", "Nothing") def test_datetime(self): self._run_test("{ds:D%Y-%m-%dT%H:%M:%S%z}", "2010-01-01 00:00:00") self._run_test("{ds:D%Y}", "2010-01-01T01:00:00+0100") self._run_test("{l:D%Y}", "None") def test_offset(self): self._run_test("{dt:O 01:00}", "2010-01-01 01:00:00") self._run_test("{dt:O+02:00}", "2010-01-01 02:00:00") self._run_test("{dt:O-03:45}", "2009-12-31 20:15:00") self._run_test("{dt:O12}", "2010-01-01 12:00:00") self._run_test("{dt:O-24}", "2009-12-31 00:00:00") self._run_test("{ds:D%Y-%m-%dT%H:%M:%S%z/O1}", "2010-01-01 01:00:00") self._run_test("{t!d:O2}", "2010-01-01 02:00:00") def test_offset_local(self): ts = self.kwdict["dt"].replace( tzinfo=datetime.timezone.utc).timestamp() offset = time.localtime(ts).tm_gmtoff dt = self.kwdict["dt"] + datetime.timedelta(seconds=offset) self._run_test("{dt:O}", str(dt)) self._run_test("{dt:Olocal}", str(dt)) ts = self.kwdict["dt_dst"].replace( tzinfo=datetime.timezone.utc).timestamp() offset = time.localtime(ts).tm_gmtoff dt = self.kwdict["dt_dst"] + datetime.timedelta(seconds=offset) self._run_test("{dt_dst:O}", str(dt)) self._run_test("{dt_dst:Olocal}", str(dt)) def test_sort(self): self._run_test("{l:S}" , "['a', 'b', 'c']") self._run_test("{l:Sa}", "['a', 'b', 'c']") self._run_test("{l:Sd}", "['c', 'b', 'a']") self._run_test("{l:Sr}", "['c', 'b', 'a']") self._run_test( "{a:S}", "[' ', 'E', 'L', 'L', 'O', 'd', 'h', 'l', 'o', 'r', 'w']") self._run_test( "{a:S-asc}", # starts with 'S', contains 'a' "[' ', 'E', 'L', 'L', 'O', 'd', 'h', 'l', 'o', 'r', 'w']") self._run_test( "{a:Sort-reverse}", # starts with 'S', contains 'r' "['w', 'r', 'o', 'l', 'h', 'd', 'O', 'L', 'L', 'E', ' ']") def test_specifier_arithmetic(self): self._run_test("{i:A+1}", "3") self._run_test("{i:A-1}", "1") self._run_test("{i:A*3}", "6") def test_specifier_conversions(self): self._run_test("{a:Cl}" , "hello world") self._run_test("{h:CHC}" , "Foo & Bar") self._run_test("{l:CSulc}", "A, b, c") def test_specifier_limit(self): self._run_test("{a:X20/ */}", "hElLo wOrLd") self._run_test("{a:X10/ */}", "hElLo wO *") with self.assertRaises(ValueError): self._run_test("{a:Xfoo/ */}", "hello wo *") def test_chain_special(self): # multiple replacements self._run_test("{a:Rh/C/RE/e/RL/l/}", "Cello wOrld") self._run_test("{d[b]!s:R1/Q/R2/A/R0/Y/}", "Y") # join-and-replace self._run_test("{l:J-/Rb/E/}", "a-E-c") # join and slice self._run_test("{l:J-/[1:-1]}", "-b-") # optional-and-maxlen self._run_test("{d[a]:?/L1/too long/}", "") self._run_test("{d[c]:?/L5/too long/}", "") # parse and format datetime self._run_test("{ds:D%Y-%m-%dT%H:%M:%S%z/%Y%m%d}", "20100101") # sort and join self._run_test("{a:S/J}", " ELLOdhlorw") def test_separator(self): orig_separator = formatter._SEPARATOR try: formatter._SEPARATOR = "|" self._run_test("{a:Rh|C|RE|e|RL|l|}", "Cello wOrld") self._run_test("{d[b]!s:R1|Q|R2|A|R0|Y|}", "Y") formatter._SEPARATOR = "##" self._run_test("{l:J-##Rb##E##}", "a-E-c") self._run_test("{l:J-##[1:-1]}", "-b-") formatter._SEPARATOR = "\0" self._run_test("{d[a]:?<\0>\0L1\0too long\0}", "") self._run_test("{d[c]:?<\0>\0L5\0too long\0}", "") formatter._SEPARATOR = "?" self._run_test("{ds:D%Y-%m-%dT%H:%M:%S%z?%Y%m%d}", "20100101") finally: formatter._SEPARATOR = orig_separator def test_globals_env(self): os.environ["FORMATTER_TEST"] = value = self.kwdict["a"] self._run_test("{_env[FORMATTER_TEST]}" , value) self._run_test("{_env[FORMATTER_TEST]!l}", value.lower()) self._run_test("{z|_env[FORMATTER_TEST]}", value) def test_globals_now(self): fmt = formatter.parse("{_now}") out1 = fmt.format_map(self.kwdict) self.assertRegex(out1, r"^\d{4}-\d\d-\d\d \d\d:\d\d:\d\d(\.\d+)?$") out = formatter.parse("{_now:%Y%m%d}").format_map(self.kwdict) now = datetime.datetime.now() self.assertRegex(out, r"^\d{8}$") self.assertEqual(out, format(now, "%Y%m%d")) out = formatter.parse("{z|_now:%Y}").format_map(self.kwdict) self.assertRegex(out, r"^\d{4}$") self.assertEqual(out, format(now, "%Y")) out2 = fmt.format_map(self.kwdict) self.assertRegex(out1, r"^\d{4}-\d\d-\d\d \d\d:\d\d:\d\d(\.\d+)?$") self.assertNotEqual(out1, out2) def test_literals(self): value = "foo" self._run_test("{'foo'}" , value) self._run_test("{'foo'!u}" , value.upper()) self._run_test("{'f00':R0/o/}", value) self._run_test("{z|'foo'}" , value) self._run_test("{z|''|'foo'}" , value) self._run_test("{z|'foo'!u}" , value.upper()) self._run_test("{z|'f00':R0/o/}", value) self._run_test("{_lit[foo]}" , value) self._run_test("{_lit[foo]!u}" , value.upper()) self._run_test("{_lit[f00]:R0/o/}" , value) self._run_test("{_lit[foobar][:3]}", value) self._run_test("{z|_lit[foo]}" , value) # empty (#4492) self._run_test("{z|''}" , "") self._run_test("{''|''}", "") # special characters (dots, brackets, singlee quotes) (#5539) self._run_test("{'f.o.o'}" , "f.o.o") self._run_test("{_lit[f.o.o]}", "f.o.o") self._run_test("{_lit[f'o'o]}", "f'o'o") self._run_test("{'f.[].[]'}" , "f.[].[]") self._run_test("{z|'f.[].[]'}", "f.[].[]") def test_template(self): with tempfile.TemporaryDirectory() as tmpdirname: path1 = os.path.join(tmpdirname, "tpl1") path2 = os.path.join(tmpdirname, "tpl2") with open(path1, "w") as fp: fp.write("{a}") fmt1 = formatter.parse("\fT " + path1) with open(path2, "w") as fp: fp.write("{a!u:Rh/C/}\nFooBar") fmt2 = formatter.parse("\fT " + path2) self.assertEqual(fmt1.format_map(self.kwdict), self.kwdict["a"]) self.assertEqual(fmt2.format_map(self.kwdict), "HELLO WORLD\nFooBar") with self.assertRaises(OSError): formatter.parse("\fT /") def test_expression(self): self._run_test("\fE a", self.kwdict["a"]) self._run_test("\fE name * 2 + ' ' + a", "{}{} {}".format( self.kwdict["name"], self.kwdict["name"], self.kwdict["a"])) @unittest.skipIf(sys.hexversion < 0x3060000, "no fstring support") def test_fstring(self): self._run_test("\fF {a}", self.kwdict["a"]) self._run_test("\fF {name}{name} {a}", "{}{} {}".format( self.kwdict["name"], self.kwdict["name"], self.kwdict["a"])) self._run_test("\fF foo-'\"{a.upper()}\"'-bar", """foo-'"{}"'-bar""".format(self.kwdict["a"].upper())) @unittest.skipIf(sys.hexversion < 0x3060000, "no fstring support") def test_template_fstring(self): with tempfile.TemporaryDirectory() as tmpdirname: path1 = os.path.join(tmpdirname, "tpl1") path2 = os.path.join(tmpdirname, "tpl2") with open(path1, "w") as fp: fp.write("{a}") fmt1 = formatter.parse("\fTF " + path1) with open(path2, "w") as fp: fp.write("foo-'\"{a.upper()}\"'-bar") fmt2 = formatter.parse("\fTF " + path2) self.assertEqual(fmt1.format_map(self.kwdict), self.kwdict["a"]) self.assertEqual(fmt2.format_map(self.kwdict), """foo-'"{}"'-bar""".format(self.kwdict["a"].upper())) with self.assertRaises(OSError): formatter.parse("\fTF /") def test_module(self): with tempfile.TemporaryDirectory() as tmpdirname: path = os.path.join(tmpdirname, "testmod.py") with open(path, "w") as fp: fp.write(""" def gentext(kwdict): name = kwdict.get("Name") or kwdict.get("name") or "foo" return "'{title1}' by {}".format(name, **kwdict) def lengths(kwdict): a = 0 for k, v in kwdict.items(): try: a += len(v) except TypeError: pass return format(a) def noarg(): return "" """) sys.path.insert(0, tmpdirname) try: fmt1 = formatter.parse("\fM testmod:gentext") fmt2 = formatter.parse("\fM testmod:lengths") fmt0 = formatter.parse("\fM testmod:noarg") with self.assertRaises(AttributeError): formatter.parse("\fM testmod:missing") with self.assertRaises(ImportError): formatter.parse("\fM missing:missing") finally: sys.path.pop(0) fmt3 = formatter.parse("\fM " + path + ":gentext") fmt4 = formatter.parse("\fM " + path + ":lengths") self.assertEqual(fmt1.format_map(self.kwdict), "'Title' by Name") self.assertEqual(fmt2.format_map(self.kwdict), "126") self.assertEqual(fmt3.format_map(self.kwdict), "'Title' by Name") self.assertEqual(fmt4.format_map(self.kwdict), "126") with self.assertRaises(TypeError): self.assertEqual(fmt0.format_map(self.kwdict), "") def _run_test(self, format_string, result, default=None, fmt=format): fmt = formatter.parse(format_string, default, fmt) output = fmt.format_map(self.kwdict) self.assertEqual(output, result, format_string) if __name__ == "__main__": unittest.main()