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route: add
Headers method for matching request headers (#133)
Co-authored-by: E99p1ant <i@github.red>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| // Copyright 2022 Flamego. All rights reserved. | ||
| // Use of this source code is governed by a MIT-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package route | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "regexp" | ||
| ) | ||
|
|
||
| // HeaderMatcher stores matchers for request headers. | ||
| type HeaderMatcher struct { | ||
| matches map[string]*regexp.Regexp // Key is the header name | ||
| } | ||
|
|
||
| // NewHeaderMatcher creates a new HeaderMatcher using given matches, where keys | ||
| // are header names. | ||
| func NewHeaderMatcher(matches map[string]*regexp.Regexp) *HeaderMatcher { | ||
| return &HeaderMatcher{ | ||
| matches: matches, | ||
| } | ||
| } | ||
|
|
||
| // Match returns true if all matches are successfully in the given header. | ||
| func (m *HeaderMatcher) Match(header http.Header) bool { | ||
| for name, re := range m.matches { | ||
| v := header.Get(name) | ||
| if v == "" { | ||
| return false | ||
| } | ||
| if !re.MatchString(v) { | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // Copyright 2022 Flamego. All rights reserved. | ||
| // Use of this source code is governed by a MIT-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package route | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "regexp" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestHeaderMatcher(t *testing.T) { | ||
| header := make(http.Header) | ||
| header.Set("Server", "Caddy") | ||
| header.Set("Status", "200 OK") | ||
|
|
||
| tests := []struct { | ||
| name string | ||
| matches map[string]*regexp.Regexp | ||
| want bool | ||
| }{ | ||
| { | ||
| name: "loose matches", | ||
| matches: map[string]*regexp.Regexp{ | ||
| "Server": regexp.MustCompile("Caddy"), | ||
| "Status": regexp.MustCompile("200"), | ||
| }, | ||
| want: true, | ||
| }, | ||
| { | ||
| name: "loose matches", | ||
| matches: map[string]*regexp.Regexp{ | ||
| "Server": regexp.MustCompile("Caddy"), | ||
| "Status": regexp.MustCompile("404"), | ||
| }, | ||
| want: false, | ||
| }, | ||
|
|
||
| { | ||
| name: "exact matches", | ||
| matches: map[string]*regexp.Regexp{ | ||
| "Server": regexp.MustCompile("^Caddy$"), | ||
| "Status": regexp.MustCompile("^200 OK$"), | ||
| }, | ||
| want: true, | ||
| }, | ||
| { | ||
| name: "exact matches", | ||
| matches: map[string]*regexp.Regexp{ | ||
| "Server": regexp.MustCompile("^Caddy$"), | ||
| "Status": regexp.MustCompile("^200$"), | ||
| }, | ||
| want: false, | ||
| }, | ||
|
|
||
| { | ||
| name: "presence match", | ||
| matches: map[string]*regexp.Regexp{ | ||
| "Server": regexp.MustCompile(""), | ||
| }, | ||
| want: true, | ||
| }, | ||
| { | ||
| name: "presence match", | ||
| matches: map[string]*regexp.Regexp{ | ||
| "Server": regexp.MustCompile(""), | ||
| "Cache-Control": regexp.MustCompile(""), | ||
| }, | ||
| want: false, | ||
| }, | ||
| } | ||
| for _, test := range tests { | ||
| t.Run(test.name, func(t *testing.T) { | ||
| got := NewHeaderMatcher(test.matches).Match(header) | ||
| assert.Equal(t, test.want, got) | ||
| }) | ||
| } | ||
| } |
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