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import { left, right } from 'fp-ts/Either'
import {
digits,
whitespace,
whitespaces0,
delimited,
} from '../src/parser/utils'
import { parser } from '../src/parser'
import { none, some } from 'fp-ts/Option'
import { Expr, Literal } from '../src/types'
const wrap = (e: Expr) => right([[none, e, none], ''])
const grouped = (l: Expr[]) => wrap(Expr.Group({ exprs: l }))
const groupedAlt = (l: Expr[]) => wrap(Expr.Or({ exprs: l }))
describe('Parser', () => {
it('should do shit', () => {
// jlog(parser(/ -2.05|\n2|true|\s|\T /.source))
})
it('should do shit', () => {
expect(digits('12901')).toEqual(right(['12901', '']))
expect(digits('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, digits, whitespaces0)(' 20 ')).toEqual(
right(['20', '']),
)
expect(delimited(whitespaces0, digits, whitespaces0)(' 2 0 ')).toEqual(
right(['2', '0 ']),
)
})
it('should compount expressions', () => {
expect(parser(/^ .\s(\n\b) \T $/.source)).toEqual(
right([
[
some(Expr.Start()),
Expr.Group({
exprs: [
Expr.AnyItem(),
Expr.AnyString(),
Expr.Group({ exprs: [Expr.AnyNumber(), Expr.AnyBool()] }),
Expr.Truthy(),
],
}),
some(Expr.End()),
],
'',
]),
)
expect(parser(/^ \s* \T? \n+ $/.source)).toEqual(
right([
[
some(Expr.Start()),
Expr.Group({
exprs: [
Expr.ZeroOrMore({ expr: Expr.AnyString() }),
Expr.Optional({ expr: Expr.Truthy() }),
Expr.OneOrMore({ expr: Expr.AnyNumber() }),
],
}),
some(Expr.End()),
],
'',
]),
)
})
it('should or expressions', () => {
expect(parser(/ \s|\b\T|\n /.source)).toEqual(
groupedAlt([
Expr.AnyString(),
Expr.Group({ exprs: [Expr.AnyBool(), Expr.Truthy()] }),
Expr.AnyNumber(),
]),
)
expect(parser(/ ((\s|\b\T)|\n) /.source)).toEqual(
groupedAlt([
Expr.Or({
exprs: [
Expr.AnyString(),
Expr.Group({ exprs: [Expr.AnyBool(), Expr.Truthy()] }),
],
}),
Expr.AnyNumber(),
]),
)
})
it('object proprtyu', () => {
expect(parser(/ [name \s\T] [age \n] /.source)).toEqual(
grouped([
Expr.PropertyMatch({
name: 'name',
expr: Expr.Group({ exprs: [Expr.AnyString(), Expr.Truthy()] }),
}),
Expr.PropertyMatch({
name: 'age',
expr: Expr.AnyNumber(),
}),
]),
)
})
it('literals', () => {
// unsigned numbers
expect(parser(/ 0.105 /.source)).toEqual(
wrap(Expr.Literal(Literal.Number(0.105))),
)
expect(parser(/ 9 /.source)).toEqual(wrap(Expr.Literal(Literal.Number(9))))
expect(parser(/ 23 /.source)).toEqual(
wrap(Expr.Literal(Literal.Number(23))),
)
// signed numbers
expect(parser(/ +23.025 /.source)).toEqual(
wrap(Expr.Literal(Literal.Number(23.025))),
)
expect(parser(/ -23.025 /.source)).toEqual(
wrap(Expr.Literal(Literal.Number(-23.025))),
)
expect(parser(/ +23 /.source)).toEqual(
wrap(Expr.Literal(Literal.Number(23))),
)
expect(parser(/ -23 /.source)).toEqual(
wrap(Expr.Literal(Literal.Number(-23))),
)
// boolean
expect(parser(/ true /.source)).toEqual(
wrap(Expr.Literal(Literal.Boolean(true))),
)
expect(parser(/ false /.source)).toEqual(
wrap(Expr.Literal(Literal.Boolean(false))),
)
})
it('sequence of values', () => {
expect(parser(/true, \s\T, \n/.source)).toEqual(
wrap(
Expr.Sequence({
exprs: [
Expr.Literal(Literal.Boolean(true)),
Expr.Group({ exprs: [Expr.AnyString(), Expr.Truthy()] }),
Expr.AnyNumber(),
],
}),
),
)
})
})
|
