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import { left, right } from 'fp-ts/Either'
import { none, some } from 'fp-ts/Option'
import { Expr, ListExpr } from '../src/types'
import { jlog } from '../src/utils'
import { find } from '../src/eval'
describe('Eval', () => {
it('basic evaluation', () => {
const list = [0, 1, '2', 3, [4], 5]
const liexp: ListExpr = [
none,
[Expr.AnyNumber(null), Expr.Truthy(null)],
none,
]
expect(find(liexp, list)).toEqual([1, 3, 5])
const liexp2: ListExpr = [
none,
[Expr.Falsey(null), Expr.Truthy(null)],
none,
]
expect(find(liexp2, list)).toEqual([])
})
it('with groups', () => {
const list = [0, 1, '2', 3, [4], 5]
const liexp: ListExpr = [
none,
[
Expr.AnyItem(null),
Expr.Group({ exprs: [Expr.AnyNumber(null), Expr.Truthy(null)] }),
],
none,
]
expect(find(liexp, list)).toEqual([1, 3, 5])
})
it('object property', () => {
const list = [
{ name: 20, age: 'hello' },
{ name: 'gello', age: 20 },
{ name: '', age: 20 },
{ name: 'Wow' },
{ age: 20 },
]
const liexp: ListExpr = [
none,
[
Expr.PropertyMatch({
name: 'name',
exprs: [Expr.AnyString(null), Expr.Truthy(null)],
}),
Expr.PropertyMatch({ name: 'age', exprs: [Expr.AnyNumber(null)] }),
],
none,
]
expect(find(liexp, list)).toEqual([{ name: 'gello', age: 20 }])
})
})
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