LUMIERA.clone/tests/core/steam/engine/node-link-test.cpp
Ichthyostega e47f1db8c5 Invocation: reorg namespace for TestRandOntology
The namespace `steam::engine::test::ont` will hold some typical definitions
for the fake „media processing library“ — to be used for validating aspects of mapping and binding.
2025-01-06 22:02:09 +01:00

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/*
NodeLink(Test) - render node connectivity and collaboration
Copyright (C)
2024, Hermann Vosseler <Ichthyostega@web.de>
  **Lumiera** is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by the
  Free Software Foundation; either version 2 of the License, or (at your
  option) any later version. See the file COPYING for further details.
* *****************************************************************/
/** @file node-link-test.cpp
** The \ref NodeLink_test covers the essence of connected render nodes.
*/
#include "lib/test/run.hpp"
#include "steam/engine/proc-node.hpp"
#include "steam/engine/node-builder.hpp"
#include "steam/engine/test-rand-ontology.hpp" ///////////TODO
#include "lib/test/diagnostic-output.hpp"/////////////////TODO
#include "lib/util.hpp"
using util::isnil;
//using std::string;
using util::isSameObject;
namespace steam {
namespace engine{
namespace test {
/***************************************************************//**
* @test demonstrate and document how [render nodes](\ref proc-node.hpp)
* are connected into a processing network, allowing to _invoke_
* a \ref Port on a node to pull-generate a render result.
* - the foundation layer is formed by the nodes as linked into a network
* - starting from any Port, a TurnoutSystem can be established
* - which in turn allows _turn out_ a render result from this port.
*/
class NodeLink_test : public Test
{
virtual void
run (Arg)
{
seedRand();
build_connected_nodes();
generate_turnout_system();
trigger_node_port_invocation();
}
/** @test TODO Build render nodes linked into a connectivity network
* @todo WIP 7/24 🔁 define ⟶ ✔ implement
*/
void
build_connected_nodes()
{
// use some dummy specs and a dummy operation....
StrView nodeID{ont::DUMMY_NODE_ID};
StrView procID{ont::DUMMY_PROC_ID};
CHECK (nodeID == "Test:dummy"_expect);
CHECK (procID == "op(int)"_expect);
// use the NodeBuilder to construct a simple source-node connectivity
auto con = prepareNode(nodeID)
.preparePort()
.invoke(procID, ont::dummyOp)
.completePort()
.build();
CHECK (isnil (con.leads));
CHECK (1 == con.ports.size());
// can build a ProcNode with this connectivity
ProcNode n1{move(con)};
CHECK (watch(n1).isValid());
CHECK (watch(n1).leads().empty());
CHECK (watch(n1).ports().size() == 1);
// can generate a symbolic spec to describe the Port's processing functionality...
CHECK (watch(n1).getPortSpec(0) == "Test:dummy.op(int)"_expect);
CHECK (watch(n1).getPortSpec(1) == ""_expect);
// such a symbolic spec is actually generated by a deduplicated metadata descriptor
auto& meta1 = ProcID::describe("N1","(arg)");
auto& meta1b = ProcID::describe("N1","(arg)");
auto& meta2 = ProcID::describe("N2","(arg)");
auto& meta3 = ProcID::describe("N1","uga()");
CHECK ( isSameObject (meta1,meta1b));
CHECK (not isSameObject (meta1,meta2));
CHECK (not isSameObject (meta1,meta3));
CHECK (hash_value(meta1) == hash_value(meta1b));
CHECK (hash_value(meta1) != hash_value(meta2));
CHECK (hash_value(meta1) != hash_value(meta3));
CHECK (meta1.genProcSpec() == "N1(arg)"_expect);
CHECK (meta2.genProcSpec() == "N2(arg)"_expect);
CHECK (meta3.genProcSpec() == "N1.uga()"_expect);
// re-generate the descriptor for the source node (n1)
auto& metaN1 = ProcID::describe("Test:dummy","op(int)");
CHECK (metaN1.genProcSpec() == "Test:dummy.op(int)"_expect);
CHECK (metaN1.genProcName() == "Test:dummy.op"_expect);
CHECK (metaN1.genNodeName() == "Test:dummy"_expect);
CHECK (metaN1.genNodeSpec(con.leads) == "Test:dummy-◎"_expect);
}
/** @test TODO Use existing node connectivity to generate a TurnoutSystem
* @todo WIP 12/24 🔁 define ⟶ implement
*/
void
generate_turnout_system()
{
UNIMPLEMENTED ("use existing node connectivity to generate a TurnoutSystem");
}
/** @test TODO Invoke some render nodes as linked together
* @todo WIP 12/24 🔁 define ⟶ implement
*/
void
trigger_node_port_invocation()
{
UNIMPLEMENTED ("operate some render nodes as linked together");
}
};
/** Register this test class... */
LAUNCHER (NodeLink_test, "unit node");
}}} // namespace steam::engine::test