/
test_utils.go
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/
test_utils.go
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// Copyright 2022 IBM Corp.
// 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 encrypt
import (
"testing"
E "github.com/IBM/fp-go/either"
F "github.com/IBM/fp-go/function"
O "github.com/IBM/fp-go/option"
"github.com/stretchr/testify/assert"
)
func SignatureTest(
privateKey func() E.Either[error, []byte],
pubKey func([]byte) E.Either[error, []byte],
randomData func() E.Either[error, []byte],
signer func([]byte) func([]byte) E.Either[error, []byte],
validator func([]byte) func([]byte) func([]byte) O.Option[error],
) func(t *testing.T) {
return func(t *testing.T) {
// generate a random key
privKeyE := privateKey()
// generate some random data
dataE := randomData()
// construct the signature
signE := F.Pipe1(
privKeyE,
E.Map[error](signer),
)
// signature
resE := F.Pipe2(
signE,
E.Ap[E.Either[error, []byte]](dataE),
E.Flatten[error, []byte],
)
// validate the signature
validO := F.Pipe5(
privKeyE,
E.Chain(pubKey),
E.Map[error](validator),
E.Ap[func([]byte) O.Option[error]](dataE),
E.Ap[O.Option[error]](resE),
E.GetOrElse(O.Of[error]),
)
// handle the option
assert.Equal(t, O.None[error](), validO)
}
}