test: message fuzzer and fix found problems

[loctrkd.git] / test / test_fuzz.py

diff --git a/test/test_fuzz.py b/test/test_fuzz.py
index 6dea449af255ae5c8ad8eabbe5d657880543ab34..0456fda0352ddede2b315fb351bf431b500929ba 100644 (file)
--- a/test/test_fuzz.py
+++ b/test/test_fuzz.py
@@ -1,18 +1,22 @@
 """ Send junk to the collector """
 
 from random import Random
-from socket import getaddrinfo, socket, AF_INET6, SOCK_STREAM
-from unittest import TestCase
+from socket import getaddrinfo, socket, AF_INET6, MSG_DONTWAIT, SOCK_STREAM
+from time import sleep
+from typing import Optional
+import unittest
+from .common import TestWithServers
 
 REPEAT: int = 1000000
 
 
-class Fuzz(TestCase):
-    def setUp(self) -> None:
+class Fuzz(TestWithServers):
+    def setUp(self, *args: str) -> None:
+        super().setUp("collector")
         self.rnd = Random()
         for fam, typ, pro, cnm, skadr in getaddrinfo(
             "::1",
-            4303,
+            self.conf.getint("collector", "port"),
             family=AF_INET6,
             type=SOCK_STREAM,
         ):
@@ -21,10 +25,32 @@ class Fuzz(TestCase):
         self.sock.connect(skadr)
 
     def tearDown(self) -> None:
+        sleep(1)  # give collector some time
+        self._send_and_drain(None)
         self.sock.close()
+        print("finished fuzzing")
+        super().tearDown()
 
-    def test_fuzz(self) -> None:
+    def _send_and_drain(self, buf: Optional[bytes]) -> None:
+        if buf is not None:
+            self.sock.send(buf)
+        try:
+            self.sock.recv(4096, MSG_DONTWAIT)
+        except BlockingIOError:
+            pass
+
+    def test_stream(self) -> None:
         for _ in range(REPEAT):
             size = self.rnd.randint(1, 5000)
             buf = self.rnd.randbytes(size)
-            self.sock.send(buf)
+            self._send_and_drain(buf)
+
+    def test_msgs(self) -> None:
+        for _ in range(REPEAT):
+            size = self.rnd.randint(0, 300)
+            buf = b"xx" + self.rnd.randbytes(size) + b"\r\n"
+            self._send_and_drain(buf)
+
+
+if __name__ == "__main__":
+    unittest.main()