Fix memleak and simplify dynamic client api

test/test_capability.py

@@ -17,14 +17,56 @@ def test_basic_client(capability):
 
     client = capability.TestInterface.new_client(Server(), loop)
     
-    req = client.request('foo')
+    req = client._request('foo')
     req.i = 5
 
     remote = req.send()
-    remote = client.send('foo', i=10)
     response = loop.wait_remote(remote)
 
-    # assert response.x == '26'
+    assert response.x == '26'
+    
+    req = client.foo_request()
+    req.i = 5
+
+    remote = req.send()
+    response = loop.wait_remote(remote)
+
+    assert response.x == '26'
 
     with pytest.raises(ValueError):
-        client.request('foo2')
+        client.foo2_request()
+
+    req = client.foo_request()
+
+    with pytest.raises(ValueError):
+        req.i = 'foo'
+
+    req = client.foo_request()
+
+    with pytest.raises(ValueError):
+        req.baz = 1
+
+def test_simple_client(capability):
+    loop = capnp.EventLoop()
+
+    client = capability.TestInterface.new_client(Server(), loop)
+    
+    remote = client._send('foo', i=5)
+    response = loop.wait_remote(remote)
+
+    assert response.x == '26'
+
+    
+    remote = client.foo(i=5)
+    response = loop.wait_remote(remote)
+
+    assert response.x == '26'
+
+    with pytest.raises(ValueError):
+        remote = client.foo(i='foo')
+
+    with pytest.raises(ValueError):
+        remote = client.foo2(i=5)
+
+    with pytest.raises(ValueError):
+        remote = client.foo(baz=5)