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// Copyright (C) 2020 Evgeny Kuznetsov (evgeny@kuznetsov.md)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"bytes"
"flag"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"sync"
"testing"
"github.com/gorilla/feeds"
)
var (
update = flag.Bool("update", false, "update .golden files")
fakeURL = `**localhost**`
)
const pth = "testdata/brand/57083"
func helperLoadBytes(t *testing.T, name string) []byte {
t.Helper()
path := filepath.Join("testdata", name)
bytes, err := ioutil.ReadFile(path)
if err != nil {
t.Fatal(err)
}
return bytes
}
func TestFeed(t *testing.T) {
page := helperLoadBytes(t, "episodes")
page = cleanText(page)
feed := &feeds.Feed{
Link: &feeds.Link{Href: "http://www.radiorus.ru/brand/57083/episodes"},
}
if err := populateFeed(feed, page); err != nil {
t.Fatal(err)
}
page = helperLoadBytes(t, "about")
page = cleanText(page)
feed.Description = processFeedDesc(page)
actual := createFeed(feed)
golden := filepath.Join("testdata", t.Name()+".golden")
if *update {
writeFile(actual, golden)
}
expected, _ := ioutil.ReadFile(golden)
if !bytes.Equal(actual, expected) {
t.Fail()
}
}
func TestServedFeed(t *testing.T) {
server := helperMockServer(t)
defer helperCleanupServer(t)
feed := getFeed(fmt.Sprintf("%s/brand/57083/episodes", server.URL))
var wg sync.WaitGroup
wg.Add(1)
describeFeed(feed, &wg)
wg.Wait()
actual := bytes.ReplaceAll(createFeed(feed), []byte(server.URL), []byte(fakeURL))
golden := filepath.Join("testdata", t.Name()+".golden")
if *update {
writeFile(actual, golden)
}
expected, _ := ioutil.ReadFile(golden)
if !bytes.Equal(actual, expected) {
t.Fail()
}
}
func helperMockServer(t *testing.T) *httptest.Server {
t.Helper()
fileserver := http.FileServer(http.Dir("testdata"))
server := httptest.NewServer(fileserver)
episodes := helperLoadBytes(t, "episodes")
writeFile(episodes, filepath.Join(pth, "episodes"))
about := helperLoadBytes(t, "about")
writeFile(about, filepath.Join(pth, "about"))
return server
}
func helperCleanupServer(t *testing.T) {
t.Helper()
helperCleanupFile(t, "episodes")
helperCleanupFile(t, "about")
}
func helperCleanupFile(t *testing.T, name string) {
t.Helper()
if err := os.Remove(filepath.Join(pth, name)); err != nil {
t.Fatal(err)
}
}
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