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|
import {
Bind,
BindTo,
Do,
Effect,
Label,
Noop,
Pure,
Seq,
} from '../stdlib/effect'
import { Throw, Try } from '../stdlib/exception'
import { PutStringLn } from '../stdlib/stdio'
import { DefineEffect, JsExpr, SetEvalEnvironment } from '../stdlib/sys'
import { Test, AssertEqualsK, AssertEquals } from '../stdlib/test'
interface MyEffect<_a extends number, _b extends string, _c extends unknown>
extends Effect {}
export type main = [
SetEvalEnvironment<'test.node'>,
PutStringLn<'====================='>,
PutStringLn<'=== Running tests ==='>,
PutStringLn<'=====================\n\n'>,
testDo,
testSeq,
testBind,
testException,
testFFI,
PutStringLn<''>
]
type testSeq = Do<
[
PutStringLn<'Seq'>,
Test<
'should run a sequence of effects and all results',
[
BindTo<'result', Seq<[Pure<1>, Pure<2>, Pure<3>, Pure<4>]>>,
Bind<Label<'result'>, AssertEqualsK<[1, 2, 3, 4]>>
]
>,
Test<
'should produce undefined for effects with no result',
[
BindTo<'result', Seq<[Pure<1>, Noop, Pure<3>, Noop]>>,
Bind<Label<'result'>, AssertEqualsK<[1, undefined, 3, undefined]>>
]
>
]
>
type testDo = Do<
[
PutStringLn<'Do'>,
Test<
'should run a sequence of effects and return the last effect',
[
BindTo<'result', Do<[Pure<1>, Pure<2>, Pure<3>, Pure<4>]>>,
Bind<Label<'result'>, AssertEqualsK<4>>
]
>,
Test<
'should return undefined if last effect doesnt produce a result',
[
BindTo<'result', Do<[Pure<1>, Noop, Pure<3>, Noop]>>,
Bind<Label<'result'>, AssertEqualsK<undefined>>
]
>
]
>
type testBind = Do<
[
PutStringLn<'Bind & BindTo'>,
Test<
'should bind value to function and kind',
[
Bind<
Pure<[1, 2, 3]>,
<val extends number[]>() => AssertEquals<val, [1, 2, 3]>
>,
Bind<Pure<[1, 2, 3]>, AssertEqualsK<[1, 2, 3]>>
]
>,
Test<
'should bind label correctly',
[
BindTo<'value', Pure<{ a: 'b'; c: { d: 1 } }>>,
Bind<Label<'value'>, AssertEqualsK<{ a: 'b'; c: { d: 1 } }>>
]
>,
Test<
'should bind only inside Do scope',
[
Do<
[
BindTo<'value', Pure<'some value'>>,
Bind<Label<'value'>, AssertEqualsK<'some value'>>
]
>,
Bind<Try<Label<'value'>, <_>() => Pure<'none'>>, AssertEqualsK<'none'>>
]
>,
Test<
'should bind only inside Bind scope',
[
Bind<
BindTo<'value', Pure<'some value'>>,
<_>() => Bind<Label<'value'>, AssertEqualsK<'some value'>>
>,
Bind<Try<Label<'value'>, <_>() => Pure<'none'>>, AssertEqualsK<'none'>>
]
>
]
>
type testException = Do<
[
PutStringLn<'Try/Throw'>,
Test<
'should return the result of effect',
[Bind<Try<Pure<20>, <_>() => Pure<0>>, AssertEqualsK<20>>]
>,
Test<
'should return the result of error handler',
[
Bind<
Try<Do<[Throw<'wow'>, Pure<20>]>, <_>() => Pure<0>>,
AssertEqualsK<0>
>,
Bind<
Try<Do<[Throw<'wow'>, Pure<20>]>, <e>() => Pure<e>>,
AssertEqualsK<'wow'>
>
]
>
]
>
type testFFI = Do<
[
PutStringLn<'FFI'>,
Test<
'should return the result of js expression',
[Bind<JsExpr<'69 * 420'>, AssertEqualsK<28980>>]
>,
Test<
'should test custom effect',
[
DefineEffect<
'MyEffect',
`([a, b, c], ctx) => {
return [
ctx.getTypeValue(a) * 2,
ctx.getTypeValue(b) + '!',
[...ctx.getTypeValue(c), 'wow'],
]
}`
>,
Bind<
MyEffect<4, 'hey', [1, 2]>,
AssertEqualsK<[8, 'hey!', [1, 2, 'wow']]>
>
]
>
]
>
|
