Python code coverage for Lib/test/test_strftime.py

#	count	content
1	n/a	"""
2	n/a	Unittest for time.strftime
3	n/a	"""
4	n/a
5	n/a	import calendar
6	n/a	import sys
7	n/a	import re
8	n/a	from test import support
9	n/a	import time
10	n/a	import unittest
11	n/a
12	n/a
13	n/a	# helper functions
14	n/a	def fixasctime(s):
15	n/a	if s[8] == ' ':
16	n/a	s = s[:8] + '0' + s[9:]
17	n/a	return s
18	n/a
19	n/a	def escapestr(text, ampm):
20	n/a	"""
21	n/a	Escape text to deal with possible locale values that have regex
22	n/a	syntax while allowing regex syntax used for comparison.
23	n/a	"""
24	n/a	new_text = re.escape(text)
25	n/a	new_text = new_text.replace(re.escape(ampm), ampm)
26	n/a	new_text = new_text.replace(r'\%', '%')
27	n/a	new_text = new_text.replace(r'\:', ':')
28	n/a	new_text = new_text.replace(r'\?', '?')
29	n/a	return new_text
30	n/a
31	n/a
32	n/a	class StrftimeTest(unittest.TestCase):
33	n/a
34	n/a	def _update_variables(self, now):
35	n/a	# we must update the local variables on every cycle
36	n/a	self.gmt = time.gmtime(now)
37	n/a	now = time.localtime(now)
38	n/a
39	n/a	if now[3] < 12: self.ampm='(AM\|am)'
40	n/a	else: self.ampm='(PM\|pm)'
41	n/a
42	n/a	self.jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0)))
43	n/a
44	n/a	try:
45	n/a	if now[8]: self.tz = time.tzname[1]
46	n/a	else: self.tz = time.tzname[0]
47	n/a	except AttributeError:
48	n/a	self.tz = ''
49	n/a
50	n/a	if now[3] > 12: self.clock12 = now[3] - 12
51	n/a	elif now[3] > 0: self.clock12 = now[3]
52	n/a	else: self.clock12 = 12
53	n/a
54	n/a	self.now = now
55	n/a
56	n/a	def setUp(self):
57	n/a	try:
58	n/a	import java
59	n/a	java.util.Locale.setDefault(java.util.Locale.US)
60	n/a	except ImportError:
61	n/a	import locale
62	n/a	locale.setlocale(locale.LC_TIME, 'C')
63	n/a
64	n/a	def test_strftime(self):
65	n/a	now = time.time()
66	n/a	self._update_variables(now)
67	n/a	self.strftest1(now)
68	n/a	self.strftest2(now)
69	n/a
70	n/a	if support.verbose:
71	n/a	print("Strftime test, platform: %s, Python version: %s" % \
72	n/a	(sys.platform, sys.version.split()[0]))
73	n/a
74	n/a	for j in range(-5, 5):
75	n/a	for i in range(25):
76	n/a	arg = now + (i+j100)23*3603
77	n/a	self._update_variables(arg)
78	n/a	self.strftest1(arg)
79	n/a	self.strftest2(arg)
80	n/a
81	n/a	def strftest1(self, now):
82	n/a	if support.verbose:
83	n/a	print("strftime test for", time.ctime(now))
84	n/a	now = self.now
85	n/a	# Make sure any characters that could be taken as regex syntax is
86	n/a	# escaped in escapestr()
87	n/a	expectations = (
88	n/a	('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'),
89	n/a	('%A', calendar.day_name[now[6]], 'full weekday name'),
90	n/a	('%b', calendar.month_abbr[now[1]], 'abbreviated month name'),
91	n/a	('%B', calendar.month_name[now[1]], 'full month name'),
92	n/a	# %c see below
93	n/a	('%d', '%02d' % now[2], 'day of month as number (00-31)'),
94	n/a	('%H', '%02d' % now[3], 'hour (00-23)'),
95	n/a	('%I', '%02d' % self.clock12, 'hour (01-12)'),
96	n/a	('%j', '%03d' % now[7], 'julian day (001-366)'),
97	n/a	('%m', '%02d' % now[1], 'month as number (01-12)'),
98	n/a	('%M', '%02d' % now[4], 'minute, (00-59)'),
99	n/a	('%p', self.ampm, 'AM or PM as appropriate'),
100	n/a	('%S', '%02d' % now[5], 'seconds of current time (00-60)'),
101	n/a	('%U', '%02d' % ((now[7] + self.jan1[6])//7),
102	n/a	'week number of the year (Sun 1st)'),
103	n/a	('%w', '0?%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'),
104	n/a	('%W', '%02d' % ((now[7] + (self.jan1[6] - 1)%7)//7),
105	n/a	'week number of the year (Mon 1st)'),
106	n/a	# %x see below
107	n/a	('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
108	n/a	('%y', '%02d' % (now[0]%100), 'year without century'),
109	n/a	('%Y', '%d' % now[0], 'year with century'),
110	n/a	# %Z see below
111	n/a	('%%', '%', 'single percent sign'),
112	n/a	)
113	n/a
114	n/a	for e in expectations:
115	n/a	# musn't raise a value error
116	n/a	try:
117	n/a	result = time.strftime(e[0], now)
118	n/a	except ValueError as error:
119	n/a	self.fail("strftime '%s' format gave error: %s" % (e[0], error))
120	n/a	if re.match(escapestr(e[1], self.ampm), result):
121	n/a	continue
122	n/a	if not result or result[0] == '%':
123	n/a	self.fail("strftime does not support standard '%s' format (%s)"
124	n/a	% (e[0], e[2]))
125	n/a	else:
126	n/a	self.fail("Conflict for %s (%s): expected %s, but got %s"
127	n/a	% (e[0], e[2], e[1], result))
128	n/a
129	n/a	def strftest2(self, now):
130	n/a	nowsecs = str(int(now))[:-1]
131	n/a	now = self.now
132	n/a
133	n/a	nonstandard_expectations = (
134	n/a	# These are standard but don't have predictable output
135	n/a	('%c', fixasctime(time.asctime(now)), 'near-asctime() format'),
136	n/a	('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)),
137	n/a	'%m/%d/%y %H:%M:%S'),
138	n/a	('%Z', '%s' % self.tz, 'time zone name'),
139	n/a
140	n/a	# These are some platform specific extensions
141	n/a	('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'),
142	n/a	('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'),
143	n/a	('%h', calendar.month_abbr[now[1]], 'abbreviated month name'),
144	n/a	('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'),
145	n/a	('%n', '\n', 'newline character'),
146	n/a	('%r', '%02d:%02d:%02d %s' % (self.clock12, now[4], now[5], self.ampm),
147	n/a	'%I:%M:%S %p'),
148	n/a	('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'),
149	n/a	('%s', nowsecs, 'seconds since the Epoch in UCT'),
150	n/a	('%t', '\t', 'tab character'),
151	n/a	('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
152	n/a	('%3y', '%03d' % (now[0]%100),
153	n/a	'year without century rendered using fieldwidth'),
154	n/a	)
155	n/a
156	n/a
157	n/a	for e in nonstandard_expectations:
158	n/a	try:
159	n/a	result = time.strftime(e[0], now)
160	n/a	except ValueError as result:
161	n/a	msg = "Error for nonstandard '%s' format (%s): %s" % \
162	n/a	(e[0], e[2], str(result))
163	n/a	if support.verbose:
164	n/a	print(msg)
165	n/a	continue
166	n/a	if re.match(escapestr(e[1], self.ampm), result):
167	n/a	if support.verbose:
168	n/a	print("Supports nonstandard '%s' format (%s)" % (e[0], e[2]))
169	n/a	elif not result or result[0] == '%':
170	n/a	if support.verbose:
171	n/a	print("Does not appear to support '%s' format (%s)" % \
172	n/a	(e[0], e[2]))
173	n/a	else:
174	n/a	if support.verbose:
175	n/a	print("Conflict for nonstandard '%s' format (%s):" % \
176	n/a	(e[0], e[2]))
177	n/a	print(" Expected %s, but got %s" % (e[1], result))
178	n/a
179	n/a
180	n/a	class Y1900Tests(unittest.TestCase):
181	n/a	"""A limitation of the MS C runtime library is that it crashes if
182	n/a	a date before 1900 is passed with a format string containing "%y"
183	n/a	"""
184	n/a
185	n/a	def test_y_before_1900(self):
186	n/a	# Issue #13674, #19634
187	n/a	t = (1899, 1, 1, 0, 0, 0, 0, 0, 0)
188	n/a	if (sys.platform == "win32"
189	n/a	or sys.platform.startswith(("aix", "sunos", "solaris"))):
190	n/a	with self.assertRaises(ValueError):
191	n/a	time.strftime("%y", t)
192	n/a	else:
193	n/a	self.assertEqual(time.strftime("%y", t), "99")
194	n/a
195	n/a	def test_y_1900(self):
196	n/a	self.assertEqual(
197	n/a	time.strftime("%y", (1900, 1, 1, 0, 0, 0, 0, 0, 0)), "00")
198	n/a
199	n/a	def test_y_after_1900(self):
200	n/a	self.assertEqual(
201	n/a	time.strftime("%y", (2013, 1, 1, 0, 0, 0, 0, 0, 0)), "13")
202	n/a
203	n/a	if __name__ == '__main__':
204	n/a	unittest.main()