-
Notifications
You must be signed in to change notification settings - Fork 43
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
- Loading branch information
1 parent
a12936a
commit fbc6757
Showing
9 changed files
with
177 additions
and
13 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,23 @@ | ||
// Copyright (c) 2023 IBM Corp. | ||
// All rights reserved. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
package file | ||
|
||
import "os" | ||
|
||
// GetName is the getter for the `Name` property of [os.File] | ||
func GetName(f *os.File) string { | ||
return f.Name() | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,39 @@ | ||
// Copyright (c) 2023 IBM Corp. | ||
// All rights reserved. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
package file | ||
|
||
import ( | ||
"io" | ||
"os" | ||
|
||
IO "github.com/IBM/fp-go/io" | ||
) | ||
|
||
// Close closes a closeable resource and ignores a potential error | ||
func Close[R io.Closer](r R) IO.IO[R] { | ||
return IO.MakeIO[R](func() R { | ||
r.Close() // #nosec: G104 | ||
return r | ||
}) | ||
} | ||
|
||
// Remove removes a resource and ignores a potential error | ||
func Remove(name string) IO.IO[string] { | ||
return IO.MakeIO[string](func() string { | ||
os.Remove(name) // #nosec: G104 | ||
return name | ||
}) | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,45 @@ | ||
// Copyright (c) 2023 IBM Corp. | ||
// All rights reserved. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
package file | ||
|
||
import ( | ||
"os" | ||
|
||
FL "github.com/IBM/fp-go/file" | ||
F "github.com/IBM/fp-go/function" | ||
IO "github.com/IBM/fp-go/io" | ||
IOF "github.com/IBM/fp-go/io/file" | ||
IOE "github.com/IBM/fp-go/ioeither" | ||
) | ||
|
||
var ( | ||
// CreateTemp created a temp file with proper parametrization | ||
CreateTemp = IOE.Eitherize2(os.CreateTemp) | ||
// onCreateTempFile creates a temp file with sensible defaults | ||
onCreateTempFile = CreateTemp("", "*") | ||
// destroy handler | ||
onReleaseTempFile = F.Flow4( | ||
IOF.Close[*os.File], | ||
IO.Map(FL.GetName), | ||
IOE.FromIO[error, string], | ||
IOE.Chain(Remove), | ||
) | ||
) | ||
|
||
// WithTempFile creates a temporary file, then invokes a callback to create a resource based on the file, then close and remove the temp file | ||
func WithTempFile[A any](f func(*os.File) IOE.IOEither[error, A]) IOE.IOEither[error, A] { | ||
return IOE.WithResource[A](onCreateTempFile, onReleaseTempFile)(f) | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,46 @@ | ||
// Copyright (c) 2023 IBM Corp. | ||
// All rights reserved. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
package file | ||
|
||
import ( | ||
"os" | ||
"testing" | ||
|
||
E "github.com/IBM/fp-go/either" | ||
F "github.com/IBM/fp-go/function" | ||
IOE "github.com/IBM/fp-go/ioeither" | ||
"github.com/stretchr/testify/assert" | ||
) | ||
|
||
func TestWithTempFile(t *testing.T) { | ||
|
||
res := WithTempFile(onWriteAll[*os.File]([]byte("Carsten"))) | ||
|
||
assert.Equal(t, E.Of[error]([]byte("Carsten")), res()) | ||
} | ||
|
||
func TestWithTempFileOnClosedFile(t *testing.T) { | ||
|
||
res := WithTempFile(func(f *os.File) IOE.IOEither[error, []byte] { | ||
return F.Pipe2( | ||
f, | ||
onWriteAll[*os.File]([]byte("Carsten")), | ||
IOE.ChainFirst(F.Constant1[[]byte](onClose(f))), | ||
) | ||
}) | ||
|
||
assert.Equal(t, E.Of[error]([]byte("Carsten")), res()) | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters