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https://github.com/IBM/fp-go.git
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48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
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// 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 file
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import (
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"context"
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"os"
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"testing"
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RIOE "github.com/IBM/fp-go/context/readerioeither"
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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/stretchr/testify/assert"
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)
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func TestWithTempFile(t *testing.T) {
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res := WithTempFile(onWriteAll[*os.File]([]byte("Carsten")))
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assert.Equal(t, E.Of[error]([]byte("Carsten")), res(context.Background())())
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}
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func TestWithTempFileOnClosedFile(t *testing.T) {
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res := WithTempFile(func(f *os.File) RIOE.ReaderIOEither[[]byte] {
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return F.Pipe2(
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f,
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onWriteAll[*os.File]([]byte("Carsten")),
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RIOE.ChainFirst(F.Constant1[[]byte](Close(f))),
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)
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})
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assert.Equal(t, E.Of[error]([]byte("Carsten")), res(context.Background())())
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}
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