1 files changed, 49 insertions, 0 deletions
diff --git a/extras/hs-test/echo_test.go b/extras/hs-test/echo_test.go
new file mode 100644
index 00000000000..0515b5e0411
--- /dev/null
+++ b/extras/hs-test/echo_test.go
@@ -0,0 +1,49 @@
+package main
+
+func init() {
+	registerVethTests(EchoBuiltinTest)
+	registerSoloVethTests(TcpWithLossTest)
+}
+
+func EchoBuiltinTest(s *VethsSuite) {
+	serverVpp := s.getContainerByName("server-vpp").vppInstance
+	serverVeth := s.getInterfaceByName(serverInterfaceName)
+
+	serverVpp.vppctl("test echo server " +
+		" uri tcp://" + serverVeth.ip4AddressString() + "/1234")
+
+	clientVpp := s.getContainerByName("client-vpp").vppInstance
+
+	o := clientVpp.vppctl("test echo client nclients 100 bytes 1 verbose" +
+		" syn-timeout 100 test-timeout 100" +
+		" uri tcp://" + serverVeth.ip4AddressString() + "/1234")
+	s.log(o)
+	s.assertNotContains(o, "failed:")
+}
+
+func TcpWithLossTest(s *VethsSuite) {
+	serverVpp := s.getContainerByName("server-vpp").vppInstance
+
+	serverVeth := s.getInterfaceByName(serverInterfaceName)
+	serverVpp.vppctl("test echo server uri tcp://%s/20022",
+		serverVeth.ip4AddressString())
+
+	clientVpp := s.getContainerByName("client-vpp").vppInstance
+
+	// Ensure that VPP doesn't abort itself with NSIM enabled
+	// Warning: Removing this ping will make VPP crash!
+	clientVpp.vppctl("ping %s", serverVeth.ip4AddressString())
+
+	// Add loss of packets with Network Delay Simulator
+	clientVpp.vppctl("set nsim poll-main-thread delay 0.01 ms bandwidth 40 gbit" +
+		" packet-size 1400 packets-per-drop 1000")
+
+	clientVpp.vppctl("nsim output-feature enable-disable host-" + s.getInterfaceByName(clientInterfaceName).name)
+
+	// Do echo test from client-vpp container
+	output := clientVpp.vppctl("test echo client uri tcp://%s/20022 verbose echo-bytes mbytes 50",
+		serverVeth.ip4AddressString())
+	s.log(output)
+	s.assertNotEqual(len(output), 0)
+	s.assertNotContains(output, "failed: timeout", output)
+}