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isValidAsync.spec.js
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isValidAsync.spec.js
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import { result } from 'lodash'
import { delay } from './delay.js'
import { isValidAsync } from './isValidAsync.js'
const simplePredicate = async x => {
await delay(100)
return x > 5
}
test('happy', async () => {
const input = {
a : 1,
b : 7,
c : 9,
additional : 'foo',
}
const invalidInput = {
a : 1,
b : 2,
c : 9,
}
const schema = {
a : Number,
b : simplePredicate,
c : simplePredicate,
}
const invalidSchema = {
a : Boolean,
b : simplePredicate,
c : simplePredicate,
}
const result = await isValidAsync({
input,
schema,
})
const invalidResult = await isValidAsync({
input,
schema : invalidSchema,
})
const withInvalidInput = await isValidAsync({
input : invalidInput,
schema,
})
expect(result).toBeTruthy()
expect(invalidResult).toBeFalsy()
expect(withInvalidInput).toBeFalsy()
})
test('without async rules', async () => {
const input = {
a : 1,
b : 7,
}
const schema = {
a : Number,
b : x => x > 2,
}
const invalidSchema = {
a : Number,
b : Boolean,
}
const result = await isValidAsync({
input,
schema,
})
const invalidResult = await isValidAsync({
input,
schema : invalidSchema,
})
expect(result).toBeTruthy()
expect(invalidResult).toBeFalsy()
})
test('readme example', async () => {
const input = {
a : 1,
b : 2,
}
const invalidInput = {
a : 1,
b : 'foo',
}
const schema = {
a : Number,
b : async x => {
await delay(100)
return typeof x === 'number'
},
}
const result = await Promise.all([
isValidAsync({
schema,
input,
}),
isValidAsync({
schema,
input : invalidInput,
}),
])
expect(result).toEqual([ true, false ])
})