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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 handler
import (
"fmt"
"log"
"net/http"
"net/http/httptest"
"os"
"testing"
)
type fakeFileSystem struct {
files map[string]struct{}
}
// Open implements the http.FileSystem interface
//
// If a file is present, no error will be returned.
// This implementation always returns a nil File.
func (f *fakeFileSystem) Open(name string) (http.File, error) {
log.Println("requesting" + name)
if _, ok := f.files[name]; !ok {
return nil, os.ErrNotExist
}
return os.Open("misc_test.go")
// return nil, nil
}
func TestRoutePrefixForStatic(t *testing.T) {
fs := &fakeFileSystem{map[string]struct{}{
"/index.js": struct{}{},
}}
for _, test := range []struct {
prefix string
path string
code int
}{
{"/", "/index.js", 200},
{"/", "/missing.js", 404},
{"/route-prefix", "/index.js", 200},
{"/route-prefix", "/missing.js", 404},
} {
test := test
t.Run(fmt.Sprintf("%v", test), func(t *testing.T) {
t.Parallel()
req, err := http.NewRequest(
http.MethodGet, "http://example.com"+test.prefix+test.path, nil,
)
if err != nil {
t.Fatal(err)
}
w := httptest.NewRecorder()
static := Static(fs, test.prefix)
static.ServeHTTP(w, req)
if test.code != w.Code {
t.Errorf("Wanted %d, got %d.", test.code, w.Code)
}
})
}
}
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