Support staged group shipment funding

tests/coalition-funding-controls.test.tsx

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+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { createElement } from 'react';
+import { renderToStaticMarkup } from 'react-dom/server';
+import { CoalitionFunding, coalitionFundingContributions, coalitionPledgeAction,
+  type CoalitionFundingView } from '../components/coalition-funding';
+
+const view: CoalitionFundingView = {
+  targets: [
+    { id: 'b', name: 'Emperor', pledged: 2, maximum: 6 },
+    { id: 'c', name: 'Fremen', pledged: 1, maximum: 5 },
+  ],
+  incoming: [
+    { donor: 'b', name: 'Emperor', amount: 3 },
+    { donor: 'c', name: 'Fremen', amount: 2 },
+  ],
+  blocked: null,
+};
+
+void test('each outgoing ally has a separate labelled pledge and incoming amount', () => {
+  const html = renderToStaticMarkup(createElement(CoalitionFunding, {
+    view, act() {}, onContributionsChange() {},
+  }));
+  assert.match(html, /Pledge to Emperor · 2 spice currently set aside/);
+  assert.match(html, /Pledge to Fremen · 1 spice currently set aside/);
+  assert.match(html, /Set funding for Emperor/);
+  assert.match(html, /Set funding for Fremen/);
+  assert.match(html, /Emperor: 3 spice/);
+  assert.match(html, /Fremen: 2 spice/);
+  assert.match(html, /Use from Emperor for your next shipment/);
+  assert.match(html, /Use from Fremen for your next shipment/);
+});
+
+void test('pledge action uses the named recipient and validates whole, safe limits', () => {
+  const target = view.targets[0];
+  assert.deepEqual(coalitionPledgeAction(target, '6', null),
+    { type: 'coalitionPledge', recipient: 'b', amount: 6 });
+  assert.deepEqual(coalitionPledgeAction(target, '0', null),
+    { type: 'coalitionPledge', recipient: 'b', amount: 0 });
+  for (const invalid of ['', '-1', '1.5', '7', '01', '1e2', '9007199254740992'])
+    assert.equal(coalitionPledgeAction(target, invalid, null), null);
+  assert.equal(coalitionPledgeAction(target, '2', 'Finish the pending payment.'), null);
+  assert.equal(coalitionPledgeAction(target, '2', null, true), null);
+});
+
+void test('shipment selections retain donor identity and clamp to live pledges', () => {
+  assert.deepEqual(coalitionFundingContributions(view.incoming, {b: 9, c: 1.9, missing: 8}), [
+    { donor: 'b', amount: 3 }, { donor: 'c', amount: 1 },
+  ]);
+  assert.deepEqual(coalitionFundingContributions(view.incoming, {b: -2, c: 0}), []);
+  assert.deepEqual(coalitionFundingContributions([{donor: 'b', name: 'Emperor', amount: 1}],
+    {b: 3, c: 2}), [{ donor: 'b', amount: 1 }]);
+});
+
+void test('busy or blocked controls cannot submit and omit shipment inputs when not requested', () => {
+  const blocked = renderToStaticMarkup(createElement(CoalitionFunding, {
+    view: {...view, blocked: 'Finish the pending payment.'}, act() {},
+  }));
+  assert.match(blocked, /Finish the pending payment/);
+  assert.match(blocked, /disabled=""[^>]*>Set funding for Emperor/);
+  assert.doesNotMatch(blocked, /Use from Emperor for your next shipment/);
+  const busy = renderToStaticMarkup(createElement(CoalitionFunding, { view, busy: true, act() {} }));
+  assert.match(busy, /disabled=""[^>]*>Set funding for Fremen/);
+});