test(boot): set price without zoe offer using evalExpr

dckc · dckc · commit eb8451b9479d · 2025-04-11T22:06:41.000-05:00
diff --git a/packages/boot/test/bootstrapTests/wallet-fun.test.ts b/packages/boot/test/bootstrapTests/wallet-fun.test.ts
@@ -9,6 +9,7 @@ import {
   makeWalletFactoryContext,
   type WalletFactoryTestContext as TC,
 } from './walletFactory.ts';
+import type { NameHub } from '@agoric/vats';
 
 const nodeRequire = createRequire(import.meta.url);
 
@@ -42,6 +43,9 @@ const startContract = async (t: ExecutionContext<TC>) => {
   return started;
 };
 
+const arrowBody = (f: Function) =>
+  `${f}`.match(/\(\) =>\s*(?<body>.*)/)?.groups?.body || assert.fail();
+
 test('use offer result without zoe', async t => {
   const { walletFactoryDriver, agoricNamesRemotes } = t.context;
   const { EV } = t.context.runUtils;
@@ -77,7 +81,15 @@ test('use offer result without zoe', async t => {
   });
   t.log('redeemInvitation last update', wd.getLatestUpdateRecord());
 
-  const initialPrices = await EV(started.publicFacet).getPrices();
-  t.log({ initialPrices });
-  t.deepEqual(initialPrices, [0n]);
+  t.log('initial prices', await EV(started.publicFacet).getPrices());
+
+  const setPriceFn =
+    (nameHub = null as unknown as NameHub, E = <T>(x: Awaited<T>) => x) =>
+    () =>
+      E(nameHub.lookup('priceSetter')).setPrice(100n);
+
+  await wd.evalExpr(arrowBody(setPriceFn));
+  const actual = await EV(started.publicFacet).getPrices();
+  t.log('prices after', actual);
+  t.deepEqual(actual, [100n]);
 });
