updates to rotating machine struct

test/basic/mode-and-input.basic.test.js

@@ -0,0 +1,35 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+
+const Machine = require('../../src/specificClass');
+const { makeMachineConfig, makeStateConfig } = require('../helpers/factories');
+
+test('setMode changes mode only for allowed values', () => {
+  const machine = new Machine(makeMachineConfig(), makeStateConfig());
+  const original = machine.currentMode;
+
+  machine.setMode('virtualControl');
+  assert.equal(machine.currentMode, 'virtualControl');
+
+  machine.setMode('invalid-mode');
+  assert.equal(machine.currentMode, 'virtualControl');
+  assert.notEqual(machine.currentMode, original);
+});
+
+test('handleInput rejects non-string action safely', async () => {
+  const machine = new Machine(makeMachineConfig(), makeStateConfig());
+  await assert.doesNotReject(async () => {
+    await machine.handleInput('GUI', 123, null);
+  });
+});
+
+test('handleInput ignores disallowed source/action combination', async () => {
+  const machine = new Machine(makeMachineConfig(), makeStateConfig());
+  machine.setMode('fysicalControl');
+
+  const before = machine.state.getCurrentState();
+  await machine.handleInput('GUI', 'execSequence', 'startup');
+  const after = machine.state.getCurrentState();
+
+  assert.equal(before, after);
+});