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caddy/caddyhttp/header/header_test.go
Matthew Holt baf6db5b57
Apply Apache license to all .go source files (closes #1865)
I am not a lawyer, but according to the appendix of the license,
these boilerplate notices should be included with every source file.
2017-09-22 23:56:58 -06:00

109 lines
2.8 KiB
Go

// Copyright 2015 Light Code Labs, LLC
//
// 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 header
import (
"fmt"
"net/http"
"net/http/httptest"
"os"
"reflect"
"sort"
"testing"
"github.com/mholt/caddy/caddyhttp/httpserver"
)
func TestHeader(t *testing.T) {
hostname, err := os.Hostname()
if err != nil {
t.Fatalf("Could not determine hostname: %v", err)
}
for i, test := range []struct {
from string
name string
value string
}{
{"/a", "Foo", "Bar"},
{"/a", "Bar", ""},
{"/a", "Baz", ""},
{"/a", "Server", ""},
{"/a", "ServerName", hostname},
{"/b", "Foo", ""},
{"/b", "Bar", "Removed in /a"},
} {
he := Headers{
Next: httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
w.Header().Set("Bar", "Removed in /a")
w.WriteHeader(http.StatusOK)
return 0, nil
}),
Rules: []Rule{
{Path: "/a", Headers: http.Header{
"Foo": []string{"Bar"},
"ServerName": []string{"{hostname}"},
"-Bar": []string{""},
"-Server": []string{},
}},
},
}
req, err := http.NewRequest("GET", test.from, nil)
if err != nil {
t.Fatalf("Test %d: Could not create HTTP request: %v", i, err)
}
rec := httptest.NewRecorder()
// preset header
rec.Header().Set("Server", "Caddy")
he.ServeHTTP(rec, req)
if got := rec.Header().Get(test.name); got != test.value {
t.Errorf("Test %d: Expected %s header to be %q but was %q",
i, test.name, test.value, got)
}
}
}
func TestMultipleHeaders(t *testing.T) {
he := Headers{
Next: httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
fmt.Fprint(w, "This is a test")
return 0, nil
}),
Rules: []Rule{
{Path: "/a", Headers: http.Header{
"+Link": []string{"</images/image.png>; rel=preload", "</css/main.css>; rel=preload"},
}},
},
}
req, err := http.NewRequest("GET", "/a", nil)
if err != nil {
t.Fatalf("Could not create HTTP request: %v", err)
}
rec := httptest.NewRecorder()
he.ServeHTTP(rec, req)
desiredHeaders := []string{"</css/main.css>; rel=preload", "</images/image.png>; rel=preload"}
actualHeaders := rec.HeaderMap[http.CanonicalHeaderKey("Link")]
sort.Strings(actualHeaders)
if !reflect.DeepEqual(desiredHeaders, actualHeaders) {
t.Errorf("Expected header to contain: %v but got: %v", desiredHeaders, actualHeaders)
}
}