napi-rs/examples/napi/browser/values.spec.ts

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import { describe, it, expect } from 'vitest'
// @ts-expect-error
const {
DEFAULT_COST,
Bird,
GetterSetterWithClosures,
tsfnReturnPromise,
tsfnReturnPromiseTimeout,
}: typeof import('../index') = await import('../index.wasi-browser')
describe('NAPI-RS wasi browser test', function () {
it('DEFAULT_COST', function () {
expect(DEFAULT_COST).toBe(12)
})
it('async self in class', async function () {
const b = new Bird('foo')
expect(await b.getNameAsync()).toBe('foo')
})
it('Class with getter setter closures', () => {
const instance = new GetterSetterWithClosures()
// @ts-expect-error
instance.name = 'Allie'
// @ts-expect-error
expect(instance.name).toBe(`I'm Allie`)
// @ts-expect-error
expect(instance.age).toBe(0.3)
})
it('threadsafe function return Promise and await in Rust', async () => {
const value = await tsfnReturnPromise((err, value) => {
if (err) {
throw err
}
return Promise.resolve(value + 2)
})
expect(value).toBe(5)
// eslint-disable-next-line @typescript-eslint/no-floating-promises
expect(
tsfnReturnPromiseTimeout((err, value) => {
if (err) {
throw err
}
return new Promise((resolve) => {
setTimeout(() => {
resolve(value + 2)
}, 300)
})
}),
).rejects.toMatchObject(new Error('Timeout'))
// trigger Promise.then in Rust after `Promise` is dropped
await new Promise((resolve) => setTimeout(resolve, 400))
})
})