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25 lines
746 B
Go
25 lines
746 B
Go
package readerioeither
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import (
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"context"
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"testing"
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A "github.com/ibm/fp-go/array"
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ET "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 TestTraverseArray(t *testing.T) {
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f := TraverseArray(func(a string) ReaderIOEither[context.Context, string, string] {
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if len(a) > 0 {
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return Right[context.Context, string](a + a)
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}
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return Left[context.Context, string, string]("e")
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})
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ctx := context.Background()
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assert.Equal(t, ET.Right[string](A.Empty[string]()), F.Pipe1(A.Empty[string](), f)(ctx)())
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assert.Equal(t, ET.Right[string]([]string{"aa", "bb"}), F.Pipe1([]string{"a", "b"}, f)(ctx)())
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assert.Equal(t, ET.Left[[]string]("e"), F.Pipe1([]string{"a", ""}, f)(ctx)())
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}
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