mirror of
https://github.com/IBM/fp-go.git
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59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
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// Copyright (c) 2023 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 headers
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import (
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"net/http"
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"testing"
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A "github.com/IBM/fp-go/array"
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"github.com/IBM/fp-go/eq"
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LT "github.com/IBM/fp-go/optics/lens/testing"
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O "github.com/IBM/fp-go/option"
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RG "github.com/IBM/fp-go/record/generic"
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S "github.com/IBM/fp-go/string"
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"github.com/stretchr/testify/assert"
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)
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var (
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sEq = eq.FromEquals(S.Eq)
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valuesEq = RG.Eq[http.Header](A.Eq(sEq))
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)
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func TestLaws(t *testing.T) {
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name := "Content-Type"
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fieldLaws := LT.AssertLaws[http.Header, O.Option[string]](t, O.Eq(sEq), valuesEq)(AtValue(name))
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n := O.None[string]()
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s1 := O.Some("s1")
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def := make(http.Header)
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v1 := make(http.Header)
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v1.Set(name, "v1")
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v2 := make(http.Header)
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v2.Set("Other-Header", "v2")
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assert.True(t, fieldLaws(def, n))
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assert.True(t, fieldLaws(v1, n))
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assert.True(t, fieldLaws(v2, n))
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assert.True(t, fieldLaws(def, s1))
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assert.True(t, fieldLaws(v1, s1))
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assert.True(t, fieldLaws(v2, s1))
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}
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