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// Copyright 2019 The Prometheus Authors
// 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 server
import (
"net/http"
"net/http/httptest"
"testing"
)
type dummyFileSystem struct{}
func (fs dummyFileSystem) Open(path string) (http.File, error) {
return http.Dir(".").Open(".")
}
func TestServeHttp(t *testing.T) {
cases := []struct {
name string
path string
contentType string
}{
{
name: "normal file",
path: "index.html",
contentType: "",
},
{
name: "javascript",
path: "test.js",
contentType: "application/javascript",
},
{
name: "css",
path: "test.css",
contentType: "text/css",
},
{
name: "png",
path: "test.png",
contentType: "image/png",
},
{
name: "jpg",
path: "test.jpg",
contentType: "image/jpeg",
},
{
name: "gif",
path: "test.gif",
contentType: "image/gif",
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
rr := httptest.NewRecorder()
req, err := http.NewRequest("GET", "http://localhost/"+c.path, nil)
if err != nil {
t.Fatal(err)
}
s := StaticFileServer(dummyFileSystem{})
s.ServeHTTP(rr, req)
if rr.Header().Get("Content-Type") != c.contentType {
t.Fatalf("Unexpected Content-Type: %s", rr.Header().Get("Content-Type"))
}
})
}
}
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