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bind_test.go
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bind_test.go
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// 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 option
import (
"testing"
F "github.com/IBM/fp-go/function"
"github.com/IBM/fp-go/internal/utils"
"github.com/stretchr/testify/assert"
)
func getLastName(s utils.Initial) Option[string] {
return Of("Doe")
}
func getGivenName(s utils.WithLastName) Option[string] {
return Of("John")
}
func TestBind(t *testing.T) {
res := F.Pipe3(
Do(utils.Empty),
Bind(utils.SetLastName, getLastName),
Bind(utils.SetGivenName, getGivenName),
Map(utils.GetFullName),
)
assert.Equal(t, res, Of("John Doe"))
}
func TestApS(t *testing.T) {
res := F.Pipe3(
Do(utils.Empty),
ApS(utils.SetLastName, Of("Doe")),
ApS(utils.SetGivenName, Of("John")),
Map(utils.GetFullName),
)
assert.Equal(t, res, Of("John Doe"))
}