added __str__ for GroupView

python/mochi/flock/test_view.py

@@ -1,4 +1,5 @@
 import unittest
+import json
 from mochi.flock.view import GroupView
 
 
@@ -61,6 +62,33 @@ def test_metadata(self):
         self.assertEqual(view.metadata.count, 3)
         self.assertIsNone(view.metadata["key2"])
 
+    def test_str(self):
+        view = GroupView()
+        # add 5 metadata
+        for i in range(0, 5):
+            view.metadata.add(
+                key=f"key{i}",
+                value=f"value{i}")
+        view = GroupView()
+        # add 5 members
+        for i in range(0, 5):
+            view.members.add(
+                address=f"address{i}",
+                provider_id=i)
+        v = json.loads(str(view))
+        self.assertIn("members", v)
+        self.assertIn("metadata", v)
+        self.assertIsInstance(v["members"], list)
+        self.assertIsInstance(v["metadata"], dict)
+        for i, member in enumerate(v["members"]):
+            self.assertEqual(member["address"], f"address{i}")
+            self.assertEqual(member["provider_id"], i)
+        i = 0
+        for key, val in v["metadata"]:
+            self.assertEqual(key, f"key{i}")
+            self.assertEqual(val, f"value{i}")
+            i = i + 1
+
     def test_digest(self):
         view = GroupView()
         self.assertEqual(view.digest, 0)

python/src/py-flock-common.cpp

@@ -75,5 +75,8 @@ PYBIND11_MODULE(pyflock_common, m) {
         .def("unlock", &flock::GroupView::unlock)
         .def_property_readonly("members", &flock::GroupView::members, py11::keep_alive<0, 1>())
         .def_property_readonly("metadata", &flock::GroupView::metadata, py11::keep_alive<0, 1>())
+        .def("__str__", [](const flock::GroupView& gv) {
+                return static_cast<std::string>(gv);
+        })
         ;
 }