schema/tests/Schema.test.ts

import { expect, test } from 'bun:test'
import s from '../Schema'

test('number enum', () => {
	enum Test {
		A,
		B
	}
	// test by enum call
	expect(s.enum(Test).parse(Test.A).valid).toBe(true)
	// test by value call
	expect(s.enum(Test).parse(0).valid).toBe(true)
	// test by key call
	expect(s.enum(Test).parse('A').valid).toBe(false)
})

test('string enum', () => {
	enum Test {
		A = 'B',
		B = 'A',
		C = 'D'
	}
	// test by enumn call
	expect(s.enum(Test).parse(Test.A).valid).toBe(true)
	// test by raw call
	expect(s.enum(Test).parse('A').valid).toBe(true)
	// test by key call
	expect(s.enum(Test).parse('C').valid).toBe(false)
})

test('literal', () => {
	const schema = s.literal('a')
	expect(schema.parse('a').valid).toBe(true)
	expect(schema.parse('b').valid).toBe(false)
})

test('nullable', () => {
	const schema = s.nullable(s.string())
	expect(schema.parse('a').valid).toBe(true)
	expect(schema.parse(undefined).valid).toBe(true)
})

test('number', () => {
	const schema = s.number()
	expect(schema.parse(1).valid).toBe(true)
	expect(schema.parse('1').valid).toBe(false)

	let c = s.number().gt(2)
	expect(c.parse(3).valid).toBe(true)
	expect(c.parse(2).valid).toBe(false)
	c = s.number().lt(2)
	expect(c.parse(1).valid).toBe(true)
	expect(c.parse(2).valid).toBe(false)
	c = s.number().max(2)
	expect(c.parse(1).valid).toBe(true)
	expect(c.parse(2).valid).toBe(true)
	expect(c.parse(3).valid).toBe(false)
	c = s.number().min(2)
	expect(c.parse(1).valid).toBe(false)
	expect(c.parse(2).valid).toBe(true)
	expect(c.parse(3).valid).toBe(true)
	c = s.number().parseString()
	expect(c.parse(1).valid).toBe(true)
	expect(c.parse('2').valid).toBe(true)
	expect(c.parse(true).valid).toBe(false)
})

test('object', () => {
	const schema = s.object({
		a: s.string(),
		b: s.number()
	})
	expect(schema.parse({ a: 'a', b: 1 }).valid).toBe(true)
	expect(schema.parse({ a: 'a', b: '1' }).valid).toBe(false)
})

test('string', () => {
	const schema = s.string()
	expect(schema.parse('1').valid).toBe(true)
	expect(schema.parse(1).valid).toBe(false)

	// min length
	let c = s.string()
		.minLength(8)
	expect(c.parse('12345678').valid).toBe(true)
	expect(c.parse('1234567').valid).toBe(false)

	// max length
	c = s.string()
		.maxLength(8)
	expect(c.parse('12345678').valid).toBe(true)
	expect(c.parse('123456789').valid).toBe(false)

	// to lower case
	c = s.string()
		.toCasing('lower')
	expect(c.parse('HELLO WORLD').valid).toBe(true)
	expect(c.parse('HELLO WORLD').object).toBe('hello world')

	// to upper case
	c = s.string()
		.toCasing('upper')
	expect(c.parse('hello world').valid).toBe(true)
	expect(c.parse('hello world').object).toBe('HELLO WORLD')

	// to not empty
	c = s.string()
		.notEmpty()
	expect(c.parse('hello world').valid).toBe(true)
	expect(c.parse('').valid).toBe(false)

	// regex validation
	c = s.string()
		.regex(/llo/g)
	expect(c.parse('hello world').valid).toBe(true)
	expect(c.parse('hell world').valid).toBe(false)

})

test('union', () => {
	const schema = s.union(s.string(), s.number())
	expect(schema.parse('1').valid).toBe(true)
	expect(schema.parse(1).valid).toBe(true)
	expect(schema.parse(true).valid).toBe(false)
})

test('union advanced', () => {
	const schema = s.union(s.object({
		type: s.literal('pokemon' as const),
		value: s.string()
	}), s.object({
		type: s.literal('pouet' as const),
		value: s.number()
	}))

	expect(schema.parse({
		type: 'pokemon',
		value: 'a'
	}).valid).toBe(true)

	expect(schema.parse({
		type: 'pouet',
		value: 'a'
	}).valid).toBe(false)

	expect(schema.parse({
		type: 'pouet',
		value: 123
	}).valid).toBe(true)
})

test('array', () => {
	const schema = s.array(s.string())
	expect(schema.parse(['1']).valid).toBe(true)
	expect(schema.parse([]).valid).toBe(true)

	expect(schema.parse([1]).valid).toBe(false)
	expect(schema.parse(['1', 1]).valid).toBe(false)

	const a = s.array(s.string())
		.unique()

	expect(a.parse(['1', '2', '1']).valid).toBe(true)
	expect(a.parse(['1', '2', '1']).object).toEqual(['1', '2'])

})

test('boolean', () => {
	const schema = s.boolean()
	expect(schema.parse(true).valid).toBe(true)
	expect(schema.parse(false).valid).toBe(true)

	const p = s.boolean().parseString('oui', 'non')
	expect(p.parse('oui').valid).toBe(true)
	expect(p.parse('pokemon').valid).toBe(false)
	expect(p.parse(1).valid).toBe(false)
	expect(p.parse('oui').object).toBe(true)
	expect(p.parse('non').valid).toBe(true)
	expect(p.parse('non').object).toBe(false)

	expect(schema.parse('true').valid).toBe(false)
	expect(schema.parse('false').valid).toBe(false)
})