Files
gousb/usbid/load_test.go
2017-04-09 00:58:47 +02:00

84 lines
2.2 KiB
Go

// Copyright 2013 Google Inc. All rights reserved.
// Copyright 2016 the gousb Authors. All rights reserved.
//
// 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 usbid
import (
"fmt"
"io"
"net/http"
"net/http/httptest"
"os"
"reflect"
"testing"
)
func TestLoaded(t *testing.T) {
if got, min := len(Vendors), 1000; got < min {
t.Errorf("%d vendors loaded, want at least %d", got, min)
}
if got, min := len(Classes), 10; got < min {
t.Errorf("%d classes loaded, want at least %d", got, min)
}
}
type handler struct{}
func (handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
f, err := os.Open(testDBPath)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintf(w, "Open(%q): %v", testDBPath, err)
return
}
defer f.Close()
w.Header().Set("content-type", "text/plain")
io.Copy(w, f)
}
func TestLoadFromURL(t *testing.T) {
origV, origC := Vendors, Classes
Vendors, Classes = nil, nil
defer func() { Vendors, Classes = origV, origC }()
s := httptest.NewServer(handler{})
defer s.Close()
err := LoadFromURL(s.URL)
if err != nil {
t.Fatalf("LoadFromURL(%q): got unexpected error: %v", s.URL, err)
}
if !reflect.DeepEqual(Vendors, testDBVendors) {
t.Errorf("LoadFromURL Vendors:\ngot: %v\nwant: %v", Vendors, testDBVendors)
}
}
func TestLoadFromURLError(t *testing.T) {
origV, origC := Vendors, Classes
defer func() { Vendors, Classes = origV, origC }()
s := httptest.NewServer(http.NotFoundHandler())
defer s.Close()
ts := LastUpdate
err := LoadFromURL(s.URL)
if err == nil {
t.Fatalf("LoadFromURL(%q): err is nil, want not nil", s.URL)
}
if LastUpdate != ts {
t.Errorf("LastUpdate was unexpectedly updated when LoadFromURL failed")
}
}