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import { left, right } from 'fp-ts/Either'
import {
integer,
whitespace,
whitespaces0,
delimited,
} from '../src/parser/utils'
import { parser } from '../src/parser'
import { none, some } from 'fp-ts/Option'
import { Expr } from '../src/types'
const plog = (x: any) => console.log(JSON.stringify(x, null, 2))
describe('Foobar', () => {
it('should do shit', () => {
expect(integer('12901')).toEqual(right([12901, '']))
expect(integer('12901asas')).toEqual(right([12901, 'asas']))
expect(whitespace(' ')).toEqual(right([' ', '']))
expect(whitespace('\n')).toEqual(right(['\n', '']))
expect(whitespace('a')).toEqual(left(['unable to match', 'a']))
expect(delimited(whitespaces0, integer, whitespaces0)(' 20 ')).toEqual(
right([20, '']),
)
expect(delimited(whitespaces0, integer, whitespaces0)(' 2 0 ')).toEqual(
right([2, '0 ']),
)
})
it('should maybeshut', () => {
expect(parser(/^ .\s(\n)\b \T $/.source)).toEqual(
right([
[
some(Expr.Start(null)),
[
Expr.AnyItem(null),
Expr.AnyString(null),
Expr.Group({ exprs: [Expr.AnyNumber(null)] }),
Expr.AnyBool(null),
Expr.Truthy(null),
],
some(Expr.End(null)),
],
'',
]),
)
expect(parser(/^ \s* \T? \n+ $/.source)).toEqual(
right([
[
some(Expr.Start(null)),
[
Expr.ZeroOrMore({ expr: Expr.AnyString(null) }),
Expr.Optional({ expr: Expr.Truthy(null) }),
Expr.OneOrMore({ expr: Expr.AnyNumber(null) }),
],
some(Expr.End(null)),
],
'',
]),
)
expect(parser(/ \s|\b\T|\n /.source)).toEqual(
right([
[
none,
[
Expr.Or({
left: Expr.AnyString(null),
right: [
Expr.AnyBool(null),
Expr.Or({
left: Expr.Truthy(null),
right: [Expr.AnyNumber(null)],
}),
],
}),
],
none,
],
'',
]),
)
})
})
|
