export extra topology functions & add agent.js

1 files changed, 49 insertions, 0 deletions

diff --git a/src/world/agent.test.js b/src/world/agent.test.js
new file mode 100644
index 0000000..5d5828f
--- /dev/null
+++ b/src/world/agent.test.js
@@ -0,0 +1,49 @@
+import { agent_decide, agent_apply } from './agent.js';
+
+
+test("simple agent decisions", () => {
+  const lattice = null;
+  const agent = {
+    id: 3,
+    net: { compute: () => [[0, 1], 'state'] },
+    state: null,
+    x: 0, y: 0,
+    flags: {},
+  };
+
+  const senses = [];
+  const actions = [
+    { size: 1, propose: (agent, head) => [{ agent_changes: [{ agent_id: 3, flags: { act1: head[0] } }] }] },
+    { size: 1, propose: (agent, head) => [{ agent_changes: [{ agent_id: 3, flags: { act2: head[0] } }] }] },
+  ];
+
+  expect(agent_decide(lattice, agent, senses, actions)).toEqual([
+    { ...agent, state: 'state' },
+    actions.map((a, idx) => a.propose(null, [idx])).flat(),
+  ]);
+});
+
+
+test("apply proposals to agent", () => {
+  const props = [
+    { agent_changes: [{ agent_id: 14, x: 4, y: 3 }] },
+    { agent_changes: [{ agent_id: 16, x: 5, y: 3 }] },
+    { agent_changes: [{ agent_id: 14, flags: { frozen: true } }] },
+  ];
+
+  const agent = { 
+    id: 14,
+    net: null,
+    state: null,
+    x: 0, y: 0,
+    flags: { frozen: false, emit: 6 }
+  };
+
+  expect(agent_apply(agent, props)).toEqual({
+    id: 14,
+    net: null,
+    state: null,
+    x: 4, y: 3,
+    flags: { frozen: true, emit: 6 }
+  });
+});