package rss
import (
"strings"
"testing"
"time"
)
const rss2 = `
Хабр
-
Новая уязвимость в ядре
https://example.org/a
<p>Патч уже <b>вышел</b>.</p>
tag:example.org,a
Mon, 28 Jul 2026 10:00:00 +0000
-
Без даты
https://example.org/b
`
const atom = `
Example Atom
Release 2.0
urn:uuid:1
2026-07-30T12:30:00Z
Ships & works
`
func TestParseRSS2(t *testing.T) {
f, err := Parse(strings.NewReader(rss2))
if err != nil {
t.Fatal(err)
}
if f.Title != "Хабр" {
t.Fatalf("title = %q", f.Title)
}
if len(f.Items) != 2 {
t.Fatalf("items = %d, want 2", len(f.Items))
}
it := f.Items[0]
if it.Title != "Новая уязвимость в ядре" {
t.Errorf("title = %q", it.Title)
}
if it.Summary != "Патч уже вышел ." && it.Summary != "Патч уже вышел." {
t.Errorf("summary = %q — tags must be stripped and entities decoded", it.Summary)
}
if it.ID != "tag:example.org,a" {
t.Errorf("id = %q", it.ID)
}
if want := time.Date(2026, 7, 28, 10, 0, 0, 0, time.UTC); !it.Published.Equal(want) {
t.Errorf("published = %v, want %v", it.Published, want)
}
if !f.Items[1].Published.IsZero() {
t.Errorf("undated item got a date: %v", f.Items[1].Published)
}
if f.Items[1].ID != "https://example.org/b" {
t.Errorf("id falls back to the link, got %q", f.Items[1].ID)
}
}
func TestParseAtom(t *testing.T) {
f, err := Parse(strings.NewReader(atom))
if err != nil {
t.Fatal(err)
}
if f.Title != "Example Atom" || len(f.Items) != 1 {
t.Fatalf("feed = %+v", f)
}
it := f.Items[0]
if it.Link != "https://example.com/rel" {
t.Errorf("link = %q, want the alternate link", it.Link)
}
if it.Summary != "Ships & works" {
t.Errorf("summary = %q", it.Summary)
}
if want := time.Date(2026, 7, 30, 12, 30, 0, 0, time.UTC); !it.Published.Equal(want) {
t.Errorf("published = %v, want %v", it.Published, want)
}
}
func TestParseGarbage(t *testing.T) {
if _, err := Parse(strings.NewReader("not a feed")); err == nil {
t.Fatal("want an error on a non-feed document")
}
// A feed with an item that has neither title nor link contributes nothing
// rather than an empty note.
f, err := Parse(strings.NewReader(`- x
`))
if err != nil {
t.Fatal(err)
}
if len(f.Items) != 0 {
t.Fatalf("items = %d, want 0", len(f.Items))
}
}
func TestPlainTextDropsScript(t *testing.T) {
got := PlainText(`hi
there`)
if got != "hi there" {
t.Fatalf("got %q", got)
}
}