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https://github.com/IBM/fp-go.git
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61 lines
1.4 KiB
Go
61 lines
1.4 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 stateless
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import (
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"fmt"
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"testing"
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A "github.com/IBM/fp-go/array"
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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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"github.com/stretchr/testify/assert"
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)
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func TestIterator(t *testing.T) {
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result := F.Pipe2(
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A.From(1, 2, 3),
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FromArray[int],
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Reduce(utils.Sum, 0),
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)
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assert.Equal(t, 6, result)
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}
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func TestChain(t *testing.T) {
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outer := FromArray[int](A.From(1, 2, 3))
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inner := func(data int) Iterator[string] {
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return F.Pipe2(
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A.From(0, 1),
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FromArray[int],
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Map(func(idx int) string {
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return fmt.Sprintf("item[%d][%d]", data, idx)
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}),
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)
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}
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total := F.Pipe2(
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outer,
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Chain(inner),
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ToArray[string],
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)
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assert.Equal(t, A.From("item[1][0]", "item[1][1]", "item[2][0]", "item[2][1]", "item[3][0]", "item[3][1]"), total)
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}
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