[PATCH 3/6] lnst.Tests.TRex: add __repr__ methods, expose module parameter

From: Jozef Urbanovsky <jurbanov(a)redhat.com&gt;

Improvement to logs to be more human readable,
especially in the Trex* flows.

Signed-off-by: Jozef Urbanovsky <jurbanov(a)redhat.com&gt;
---
 lnst/Tests/TRex.py | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/lnst/Tests/TRex.py b/lnst/Tests/TRex.py
index 40da393..4870b86 100644
--- a/lnst/Tests/TRex.py
+++ b/lnst/Tests/TRex.py
@@ -2,6 +2,7 @@ from lnst.Common.Parameters import Param, StrParam, IntParam, FloatParam
 from lnst.Common.Parameters import IpParam, DeviceOrIpParam
 from lnst.Tests.BaseTestModule import BaseTestModule, TestModuleError
 from lnst.External.TRex.TRexLib  import TRexCli, TRexSrv, TRexError
+from pprint import pformat
 
 
 class TRexCommon(BaseTestModule):
@@ -12,6 +13,8 @@ class TRexClient(TRexCommon):
 
     flows = Param(mandatory=True)
 
+    module = StrParam(default="UDPSimple")
+
     duration = IntParam(mandatory=True)
     warmup_time = IntParam(default=5)
 
@@ -24,6 +27,20 @@ class TRexClient(TRexCommon):
         super(TRexClient, self).__init__(**kwargs)
         self.impl = TRexCli(self.params)
 
+    def __repr__(self):
+        string = f"""
+            TrexClient(
+                trex_dir={self.impl.params.trex_dir},
+                module={self.impl.params.module},
+                msg_size={self.impl.params.msg_size},
+                ports={self.impl.params.ports},
+                server_hostname={self.impl.params.server_hostname},
+                flows={pformat(self.impl.params.flows)}
+            )
+        """
+
+        return string
+
     def runtime_estimate(self):
         _duration_overhead = 5
         return (self.params.duration +
@@ -51,6 +68,16 @@ class TRexServer(TRexCommon):
         super(TRexServer, self).__init__(**kwargs)
         self.impl = TRexSrv(self.params)
 
+    def __repr__(self):
+        string = f"""
+            TrexServer("
+                trex_dir={self.impl.params.trex_dir},
+                cores={self.impl.params.cores},
+                flows={pformat(self.impl.params.flows)}
+            )
+        """
+        return string
+
     def run(self):
         self._res_data={}
         try:
-- 
2.28.0