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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, matchAll } from '../src/eval'
describe('Eval', () => {
it('should do stuff', () => {
const ls = [-1, 1, 2, '3', 4, '5', 6, 7, '']
const liexp: ListExpr = [
none,
Expr.OneOrMore({
expr: Expr.Group({
exprs: [Expr.AnyNumber(), Expr.Truthy()],
}),
}),
none,
]
//jlog(matchAll(liexp, ls))
})
it('basic evaluation', () => {
const list = [0, 1, '2', 3, [4], 5]
const liexp: ListExpr = [none, Expr.Group({ exprs: [Expr.AnyNumber(), Expr.Truthy()] }), none]
expect(find(liexp, list)).toEqual([1, 3, 5])
const liexp2: ListExpr = [none, Expr.Group({ exprs: [Expr.Falsey(), Expr.Truthy()] }), none]
expect(find(liexp2, list)).toEqual([])
})
it('with groups', () => {
const list = [0, 1, '2', 3, [4], 5]
const liexp: ListExpr = [
none,
Expr.Group({ exprs: [
Expr.AnyItem(),
Expr.Group({ exprs: [Expr.AnyNumber(), Expr.Truthy()] }),
] }),
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.Group({ exprs: [
Expr.PropertyMatch({
name: 'name',
expr: Expr.Group({ exprs: [Expr.AnyString(), Expr.Truthy()] }),
}),
Expr.PropertyMatch({
name: 'age',
expr: Expr.Group({ exprs: [Expr.AnyNumber()] }),
}),
] }),
none,
]
expect(find(liexp, list)).toEqual([{ name: 'gello', age: 20 }])
})
})
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