Cron expressions should follow the machine local time, not UTC [closes #173]

tests/etc/scripts/test_cron.py

@@ -0,0 +1,26 @@
+import datetime
+
+from platypush.cron import cron
+
+from tests.test_cron import tmp_files, tmp_files_ready, \
+    test_timeout, expected_cron_file_content
+
+# Prepare a cronjob that should start test_timeout/2 seconds from the application start
+cron_time = datetime.datetime.now() + datetime.timedelta(seconds=test_timeout/2)
+cron_expr = '{min} {hour} {day} {month} * {sec}'.format(
+    min=cron_time.minute, hour=cron_time.hour, day=cron_time.day,
+    month=cron_time.month, sec=cron_time.second)
+
+
+@cron(cron_expr)
+def cron_test(**_):
+    """
+    Simple cronjob that awaits for ``../test_cron.py`` to be ready and writes the expected
+    content to the monitored temporary file.
+    """
+    files_ready = tmp_files_ready.wait(timeout=test_timeout)
+    assert files_ready, \
+        'The test did not prepare the temporary files within {} seconds'.format(test_timeout)
+
+    with open(tmp_files[0], 'w') as f:
+        f.write(expected_cron_file_content)