Tests: added more tests with reconfiguration.

test/test_reconfigure.py

@@ -0,0 +1,53 @@
+import time
+
+import pytest
+from unit.applications.proto import TestApplicationProto
+
+
+class TestReconfigure(TestApplicationProto):
+    prerequisites = {}
+
+    @pytest.fixture(autouse=True)
+    def setup_method_fixture(self):
+        assert 'success' in self.conf(
+            {
+                "listeners": {"*:7080": {"pass": "routes"}},
+                "routes": [{"action": {"return": 200}}],
+                "applications": {},
+            }
+        )
+
+    def clear_conf(self):
+        assert 'success' in self.conf({"listeners": {}, "applications": {}})
+
+    def test_reconfigure(self):
+        (_, sock) = self.http(
+            b"""GET / HTTP/1.1
+""",
+            start=True,
+            raw=True,
+            no_recv=True,
+        )
+
+        self.clear_conf()
+
+        resp = self.http(
+            b"""Host: localhost
+Connection: close
+
+""",
+            sock=sock,
+            raw=True,
+        )
+        assert resp['status'] == 200, 'finish request'
+
+    def test_reconfigure_2(self):
+        (_, sock) = self.http(b'', raw=True, start=True, no_recv=True)
+
+        # Waiting for connection completion.
+        # Delay should be more than TCP_DEFER_ACCEPT.
+        time.sleep(1.5)
+
+        self.clear_conf()
+
+        assert self.get(sock=sock)['status'] == 408, 'request timeout'