feat: add pricing provider boundary

2026-09-09 11:19:27 -04:00
parent 7c4a299838
commit 4effebd2f8
8 changed files with 135 additions and 1 deletions
@@ -0,0 +1,22 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { createPricingProvider, createPricingProviderRegistry } from '../../src/modules/pricing/providers/pricing-provider.js';
+
+test('registers pricing providers behind a validated adapter contract', async () => {
+  const provider = createPricingProvider({
+    id: 'example',
+    async observe() { return [{ priceMinor: 2500, sourceIdentifier: 'example-1' }]; },
+  });
+  const registry = createPricingProviderRegistry([provider]);
+
+  assert.equal(registry.get('example'), provider);
+  assert.deepEqual(await registry.get('example').observe({}), [{ priceMinor: 2500, sourceIdentifier: 'example-1' }]);
+  assert.deepEqual(registry.list(), [provider]);
+});
+
+test('rejects malformed provider adapters and responses', async () => {
+  assert.throws(() => createPricingProvider({ id: 'broken' }), /observe function is required/);
+  const provider = createPricingProvider({ id: 'broken', async observe() { return null; } });
+  await assert.rejects(() => provider.observe({}), /must return an observation array/);
+});