add test_sqlite3_from_unixtime-t

test/tap/tests/test_sqlite3_from_unixtime-t.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+
+import pymysql
+import time
+
+def open_mysql_conn(host, port=3306, user=None, passwd=None, timeout=60):
+	conn = None
+	try:
+		if user is None and passwd is None:
+			conn = pymysql.connect( host=host, port=port, read_default_group='client',
+									connect_timeout=timeout, cursorclass=pymysql.cursors.DictCursor,
+									defer_connect=True)
+		else:
+			conn = pymysql.connect( host=host, port=port, user=user, passwd=passwd,
+									connect_timeout=timeout, cursorclass=pymysql.cursors.DictCursor,
+									defer_connect=True)
+		conn.client_flag |= pymysql.constants.CLIENT.MULTI_STATEMENTS
+		conn.connect()
+		conn.autocommit(True)
+	except Exception as e:
+		print(e)
+		raise
+
+	return conn
+
+def padmin_command(command, display=False):
+	with padmin_conn.cursor() as cursor:
+		cursor.execute(command)
+		result = cursor.fetchall()
+	if display:
+		print(result)
+	return result
+
+def pmysql_command(command, display=False):
+	with pmysql_conn.cursor() as cursor:
+		cursor.execute(command)
+		result = cursor.fetchall()
+	if display:
+		print(result)
+	return result
+
+admin_conn_args = { 'host':'127.0.0.1', 'port':6032, 'user':'admin', 'passwd':'admin' }
+mysql_conn_args = { 'host':'127.0.0.1', 'port':6033, 'user':'root',  'passwd':'root' }
+puser_conn_args = { 'host':'127.0.0.1', 'port':6033, 'user':'user',  'passwd':'user' }
+
+
+if __name__ == '__main__':
+
+	padmin_conn = open_mysql_conn(**admin_conn_args)
+
+	# test edge cases
+	assert padmin_command('SELECT from_unixtime();', display=True) == [{'from_unixtime()': None}]
+	assert padmin_command('SELECT from_unixtime(0);', display=True) == [{'from_unixtime(0)': '1970-01-01 00:00:00'}]
+	assert padmin_command('SELECT from_unixtime(-1);', display=True) == [{'from_unixtime(-1)': '1969-12-31 23:59:59'}]
+	assert padmin_command('SELECT from_unixtime(2147483647);', display=True) == [{'from_unixtime(2147483647)': '2038-01-19 03:14:07'}]
+	assert padmin_command('SELECT from_unixtime(2147483648);', display=True) == [{'from_unixtime(2147483648)': '2038-01-19 03:14:08'}]
+	# test values from monitor.mysql_server_ping_log
+	results = padmin_command('SELECT time_start_us/1000000, from_unixtime(time_start_us/1000000) FROM monitor.mysql_server_ping_log;', display=True)
+	for res in results:
+		assert time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(int(res['time_start_us/1000000']))) == res['from_unixtime(time_start_us/1000000)']
+
+	# PASS
+	exit(0)