tests/struct_tm_utility: migrate to testrunner

tests/struct_tm_utility/Makefile

@@ -10,3 +10,6 @@ USEMODULE += timex
 BOARD_BLACKLIST := chronos msb-430 msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1
 
 include $(RIOTBASE)/Makefile.include
+
+test:
+	tests/01-run.py

tests/struct_tm_utility/tests/01-run.py

+#!/usr/bin/env python3
+
+# Copyright (C) 2017 Inria
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+
+import os
+import sys
+import calendar
+import datetime
+
+sys.path.append(os.path.join(os.environ['RIOTBASE'], 'dist/tools/testrunner'))
+import testrunner
+
+
+def _check_help(child):
+    child.sendline('help')
+    child.expect_exact('Command              Description')
+    child.expect_exact('---------------------------------------')
+    child.expect_exact('days_in              '
+                       'Tells you the number of days in a month.')
+    child.expect_exact('leap_year            '
+                       'Tells you if a supplied year is a leap year.')
+    child.expect_exact('doomsday             '
+                       'Tells you the wday Doomsday of the supplied year.')
+    child.expect_exact('day                  '
+                       'Tells you the day of the supplied date.')
+
+
+def _check_days_in(child):
+    # verify usage
+    child.sendline('days_in')
+    child.expect_exact('Usage: days_in <Month[1..12]>')
+
+    # send an invalid month
+    child.sendline('days_in 13')
+    child.expect_exact('Usage: days_in <Month[1..12]>')
+
+    child.sendline('days_in 0')
+    child.expect_exact('Usage: days_in <Month[1..12]>')
+
+    year = 2017  # not a leap year so february has 28 days
+    for m in range(12):
+        days = calendar.monthrange(year, m + 1)[1]
+        mon = datetime.datetime(year, m + 1, 1).strftime('%b').upper()
+        child.sendline('days_in {}'.format(m + 1))
+        child.expect_exact('There are {} days in {} in common years.'
+                           .format(days, mon))
+
+
+def _check_leap_year(child):
+    # verify usage
+    child.sendline('leap_year')
+    child.expect_exact('Usage: leap_year <Year>')
+
+    # send an invalid year
+    child.sendline('leap_year aaaa')
+    child.expect_exact('Usage: leap_year <Year>')
+
+    for (year, leap) in ((2000, 'YES'),
+                         (2016, 'YES'),
+                         (2017, 'NO'),
+                         (2018, 'NO')):
+        child.sendline('leap_year {}'.format(year))
+        child.expect_exact('Was {} a leap year? {}.'.format(year, leap))
+
+
+def _check_doomsday(child):
+    # verify usage
+    child.sendline('doomsday')
+    child.expect_exact('Usage: doomsday <Year>')
+
+    for year in (2016, 2017):
+        dt = (datetime.datetime(year, 3, 1) - datetime.timedelta(days=1))
+        doomsday = dt.strftime('%a').upper()
+        child.sendline('doomsday {}'.format(year))
+        child.expect_exact('What weekday was MAR 0 of {}? {}.'
+                           .format(year, doomsday))
+
+
+def _check_day(child):
+    # verify usage
+    child.sendline('day')
+    child.expect_exact('Usage: day <Year> <Month[1..12]> <Day[1..31]>')
+
+    # loop over a list of valid dates
+    for year in (2017, 2018):
+        for month in (1, 4, 11):
+            for day in (1, 15, 28):
+                dt = datetime.datetime(year, month, day)
+                count = dt.timetuple().tm_yday
+                day_str = dt.strftime('%a').upper()
+                child.sendline('day {} {} {}'.format(year, month, day))
+                child.expect_exact('What weekday was {}-{:02}-{:02}? '
+                                   'The {}(th) day of the year was a {}.'
+                                   .format(year, month, day, count, day_str))
+
+    # 2016 is a leap year
+    child.sendline('day 2016 2 29')
+    child.expect_exact('What weekday was 2016-02-29? '
+                       'The 60(th) day of the year was a MON.')
+
+    # 2017 is a leap year
+    child.sendline('day 2017 2 29')
+    child.expect_exact('The supplied date is invalid, '
+                       'but no error should occur.')
+
+
+def testfunc(child):
+    _check_help(child)
+    _check_days_in(child)
+    _check_leap_year(child)
+    _check_doomsday(child)
+    _check_day(child)
+
+if __name__ == "__main__":
+    sys.exit(testrunner.run(testfunc))