feat: initial release v0.3.0

tests/helpers/assertions.ts

@@ -0,0 +1,23 @@
+import { expect } from 'vitest'
+import { prisma } from './prisma'
+import { toMoneyNumber } from '@/lib/billing/money'
+
+export async function expectBalance(userId: string, params: {
+  balance: number
+  frozenAmount: number
+  totalSpent: number
+}) {
+  const row = await prisma.userBalance.findUnique({ where: { userId } })
+  expect(row).toBeTruthy()
+  expect(toMoneyNumber(row!.balance)).toBeCloseTo(params.balance, 8)
+  expect(toMoneyNumber(row!.frozenAmount)).toBeCloseTo(params.frozenAmount, 8)
+  expect(toMoneyNumber(row!.totalSpent)).toBeCloseTo(params.totalSpent, 8)
+}
+
+export async function expectNoNegativeLedger(userId: string) {
+  const row = await prisma.userBalance.findUnique({ where: { userId } })
+  expect(row).toBeTruthy()
+  expect(toMoneyNumber(row!.balance)).toBeGreaterThanOrEqual(0)
+  expect(toMoneyNumber(row!.frozenAmount)).toBeGreaterThanOrEqual(0)
+  expect(toMoneyNumber(row!.totalSpent)).toBeGreaterThanOrEqual(0)
+}