mirror of
https://github.com/IBM/fp-go.git
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80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
// Copyright (c) 2023 IBM Corp.
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// All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package readerioeither
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import (
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"context"
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"fmt"
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"testing"
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E "github.com/IBM/fp-go/either"
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F "github.com/IBM/fp-go/function"
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"github.com/IBM/fp-go/internal/utils"
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R "github.com/IBM/fp-go/reader"
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RIO "github.com/IBM/fp-go/readerio"
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"github.com/stretchr/testify/assert"
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)
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func TestMap(t *testing.T) {
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g := F.Pipe1(
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Of[context.Context, error](1),
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Map[context.Context, error](utils.Double),
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)
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assert.Equal(t, E.Of[error](2), g(context.Background())())
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}
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func TestOrLeft(t *testing.T) {
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f := OrLeft[string, context.Context, string, int](func(s string) RIO.ReaderIO[context.Context, string] {
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return RIO.Of[context.Context](s + "!")
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})
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g1 := F.Pipe1(
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Right[context.Context, string](1),
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f,
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)
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g2 := F.Pipe1(
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Left[context.Context, int]("a"),
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f,
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)
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assert.Equal(t, E.Of[string](1), g1(context.Background())())
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assert.Equal(t, E.Left[int]("a!"), g2(context.Background())())
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}
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func TestAp(t *testing.T) {
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g := F.Pipe1(
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Right[context.Context, error](utils.Double),
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Ap[int](Right[context.Context, error](1)),
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)
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assert.Equal(t, E.Right[error](2), g(context.Background())())
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}
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func TestChainReaderK(t *testing.T) {
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g := F.Pipe1(
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Of[context.Context, error](1),
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ChainReaderK[context.Context, error](func(v int) R.Reader[context.Context, string] {
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return R.Of[context.Context](fmt.Sprintf("%d", v))
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}),
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)
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assert.Equal(t, E.Right[error]("1"), g(context.Background())())
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}
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