From 43620cd9b61ab5b04ed9184b85e32077d2e2688f Mon Sep 17 00:00:00 2001
From: Nazar Kanaev <nkanaev@live.com>
Date: Mon, 22 Mar 2021 14:07:35 +0000
Subject: [PATCH] basic rdf test

---
 src/feed/rdf.go      | 23 +++++++++++++++++++
 src/feed/rdf_test.go | 54 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 src/feed/rdf_test.go

diff --git a/src/feed/rdf.go b/src/feed/rdf.go
index 384e66b..cdd2f0d 100644
--- a/src/feed/rdf.go
+++ b/src/feed/rdf.go
@@ -2,6 +2,7 @@ package feed
 
 import (
 	"encoding/xml"
+	"io"
 )
 
 type rdfFeed struct {
@@ -19,3 +20,25 @@ type rdfItem struct {
 	DublinCoreDate    string `xml:"http://purl.org/dc/elements/1.1/ date"`
 	DublinCoreContent string `xml:"http://purl.org/rss/1.0/modules/content/ encoded"`
 }
+
+func ParseRDF(r io.Reader) (*Feed, error) {
+	f := rdfFeed{}
+
+	decoder := xml.NewDecoder(r)
+	if err := decoder.Decode(&f); err != nil {
+		return nil, err
+	}
+
+	feed := &Feed{
+		Title:   f.Title,
+		SiteURL: f.Link,
+	}
+	for _, e := range f.Items {
+		feed.Items = append(feed.Items, Item{
+			GUID:  e.Link,
+			URL:   e.Link,
+			Title: e.Title,
+		})
+	}
+	return feed, nil
+}
diff --git a/src/feed/rdf_test.go b/src/feed/rdf_test.go
new file mode 100644
index 0000000..0deee0b
--- /dev/null
+++ b/src/feed/rdf_test.go
@@ -0,0 +1,54 @@
+package feed
+
+import (
+	"reflect"
+	"strings"
+	"testing"
+)
+
+func TestRDFFeed(t *testing.T) {
+	have, _ := ParseRDF(strings.NewReader(`<?xml version="1.0"?>
+		<rdf:RDF
+		xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+		xmlns="http://channel.netscape.com/rdf/simple/0.9/">
+
+		  <channel>
+			<title>Mozilla Dot Org</title>
+			<link>http://www.mozilla.org</link>
+			<description>the Mozilla Organization
+			  web site</description>
+		  </channel>
+
+		  <image>
+			<title>Mozilla</title>
+			<url>http://www.mozilla.org/images/moz.gif</url>
+			<link>http://www.mozilla.org</link>
+		  </image>
+
+		  <item>
+			<title>New Status Updates</title>
+			<link>http://www.mozilla.org/status/</link>
+		  </item>
+
+		  <item>
+			<title>Bugzilla Reorganized</title>
+			<link>http://www.mozilla.org/bugs/</link>
+		  </item>
+
+		</rdf:RDF>
+	`))
+	want := &Feed{
+		Title: "Mozilla Dot Org",
+		SiteURL: "http://www.mozilla.org",
+		Items: []Item{
+			{GUID: "http://www.mozilla.org/status/", URL: "http://www.mozilla.org/status/", Title: "New Status Updates"},
+			{GUID: "http://www.mozilla.org/bugs/", URL: "http://www.mozilla.org/bugs/", Title: "Bugzilla Reorganized"},
+		},
+	}
+
+	if !reflect.DeepEqual(want, have) {
+		t.Logf("want: %#v", want)
+		t.Logf("have: %#v", have)
+		t.Fatal("invalid rdf")
+	}
+}