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// Copyright 2020 Matthew Holt
//
// 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 acme
import (
"net/http"
"reflect"
"testing"
)
func TestExtractLinks(t *testing.T) {
// Original test code by Isaac (https://github.com/eggsampler/acme)
linkTests := []struct {
Name string
LinkHeaders []string
WantedLink string
ExpectedURLs []string
}{
{
Name: "no links",
WantedLink: "fail",
ExpectedURLs: nil,
},
{Name: "joined links",
LinkHeaders: []string{`<https://url/path>; rel="next", <http://url/path?query>; rel="up"`},
WantedLink: "up",
ExpectedURLs: []string{"http://url/path?query"},
},
{
Name: "separate links",
LinkHeaders: []string{`<https://url/path>; rel="next"`, `<http://url/path?query>; rel="up"`},
WantedLink: "up",
ExpectedURLs: []string{"http://url/path?query"},
},
}
for _, currentTest := range linkTests {
linkURLs := extractLinks(&http.Response{Header: http.Header{"Link": currentTest.LinkHeaders}}, currentTest.WantedLink)
if !reflect.DeepEqual(linkURLs, currentTest.ExpectedURLs) {
t.Fatalf("%s: links not equal, expected: %s, got: %s", currentTest.Name, currentTest.ExpectedURLs, linkURLs)
}
}
}
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