added pyperf test case

Author: JarryShaw

test/test_perf.py

@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+
+import pyperf
+
+from pcapkit import extract
+
+
+def default() -> 'None':
+    extract(fin='../sample/in.pcap', fout='../sample/engines/default.txt',
+                format='tree', engine='default')
+
+
+def scapy() -> 'None':
+    extract(fin='../sample/in.pcap', fout='../sample/engines/scapy.txt',
+                format='tree', engine='scapy')
+
+
+def dpkt() -> 'None':
+    extract(fin='../sample/in.pcap', fout='../sample/engines/dpkt.txt',
+                format='tree', engine='dpkt')
+
+
+def pyshark() -> 'None':
+    extract(fin='../sample/in.pcap', fout='../sample/engines/pyshark.txt',
+                format='tree', engine='pyshark')
+
+
+runner = pyperf.Runner()
+runner.bench_func('default', default)
+runner.bench_func('scapy', scapy)
+runner.bench_func('dpkt', dpkt)
+runner.bench_func('pyshark', pyshark)