mirror of
https://github.com/IBM/fp-go.git
synced 2025-11-23 22:14:53 +02:00
86 lines
2.8 KiB
Go
86 lines
2.8 KiB
Go
// Copyright (c) 2023 - 2025 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 di
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import (
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"testing"
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A "github.com/IBM/fp-go/v2/array"
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E "github.com/IBM/fp-go/v2/either"
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F "github.com/IBM/fp-go/v2/function"
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"github.com/IBM/fp-go/v2/ioresult"
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O "github.com/IBM/fp-go/v2/option"
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"github.com/IBM/fp-go/v2/result"
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"github.com/stretchr/testify/assert"
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)
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var (
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toInt = toType[int]()
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toString = toType[string]()
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)
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func TestToType(t *testing.T) {
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// good cases
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assert.Equal(t, result.Of(10), toInt(any(10)))
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assert.Equal(t, result.Of("Carsten"), toString(any("Carsten")))
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assert.Equal(t, result.Of(O.Of("Carsten")), toType[Option[string]]()(any(O.Of("Carsten"))))
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assert.Equal(t, result.Of(O.Of(any("Carsten"))), toType[Option[any]]()(any(O.Of(any("Carsten")))))
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// failure
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assert.False(t, E.IsRight(toInt(any("Carsten"))))
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assert.False(t, E.IsRight(toType[Option[string]]()(O.Of(any("Carsten")))))
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}
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func TestToOptionType(t *testing.T) {
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// shortcuts
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toOptInt := toOptionType(toInt)
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toOptString := toOptionType(toString)
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// good cases
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assert.Equal(t, result.Of(O.Of(10)), toOptInt(any(O.Of(any(10)))))
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assert.Equal(t, result.Of(O.Of("Carsten")), toOptString(any(O.Of(any("Carsten")))))
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// bad cases
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assert.False(t, E.IsRight(toOptInt(any(10))))
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assert.False(t, E.IsRight(toOptInt(any(O.Of(10)))))
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}
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func invokeIOEither[T any](e Result[IOResult[T]]) Result[T] {
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return F.Pipe1(
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e,
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E.Chain(func(ioe IOResult[T]) Result[T] {
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return ioe()
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}),
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)
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}
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func TestToIOEitherType(t *testing.T) {
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// shortcuts
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toIOEitherInt := toIOEitherType(toInt)
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toIOEitherString := toIOEitherType(toString)
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// good cases
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assert.Equal(t, result.Of(10), invokeIOEither(toIOEitherInt(any(ioresult.Of(any(10))))))
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assert.Equal(t, result.Of("Carsten"), invokeIOEither(toIOEitherString(any(ioresult.Of(any("Carsten"))))))
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// bad cases
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assert.False(t, E.IsRight(invokeIOEither(toIOEitherString(any(ioresult.Of(any(10)))))))
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assert.False(t, E.IsRight(invokeIOEither(toIOEitherString(any(ioresult.Of("Carsten"))))))
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assert.False(t, E.IsRight(invokeIOEither(toIOEitherString(any("Carsten")))))
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}
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func TestToArrayType(t *testing.T) {
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// shortcuts
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toArrayString := toArrayType(toString)
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// good cases
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assert.Equal(t, result.Of(A.From("a", "b")), toArrayString(any(A.From(any("a"), any("b")))))
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}
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