1// Copyright 2017 Frédéric Guillot. All rights reserved.
2// Use of this source code is governed by the Apache 2.0
3// license that can be found in the LICENSE file.
4
5package icon // import "miniflux.app/reader/icon"
6
7import (
8	"strings"
9	"testing"
10)
11
12func TestParseImageDataURL(t *testing.T) {
13	iconURL := "data:image/webp;base64,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"
14	icon, err := parseImageDataURL(iconURL)
15	if err != nil {
16		t.Fatalf(`We should be able to parse valid data URL: %v`, err)
17	}
18
19	if icon.MimeType != "image/webp" {
20		t.Fatal(`Invalid mime type parsed`)
21	}
22
23	if icon.Hash == "" {
24		t.Fatal(`Image hash should be computed`)
25	}
26}
27
28func TestParseInvalidImageDataURLWithBadMimeType(t *testing.T) {
29	_, err := parseImageDataURL("data:text/plain;base64,blob")
30	if err == nil {
31		t.Fatal(`We should detect invalid mime type`)
32	}
33}
34
35func TestParseInvalidImageDataURLWithUnsupportedEncoding(t *testing.T) {
36	_, err := parseImageDataURL("data:image/png;base32,blob")
37	if err == nil {
38		t.Fatal(`We should detect unsupported encoding`)
39	}
40}
41
42func TestParseInvalidImageDataURLWithInvalidEncodedData(t *testing.T) {
43	_, err := parseImageDataURL("data:image/png;base64,")
44	if err == nil {
45		t.Fatal(`We should detect invalid encoded data`)
46	}
47}
48
49func TestParseInvalidImageDataURL(t *testing.T) {
50	_, err := parseImageDataURL("data:image/jpeg")
51	if err == nil {
52		t.Fatal(`We should detect malformed image data URL`)
53	}
54}
55
56func TestParseDocumentWithWhitespaceIconURL(t *testing.T) {
57	html := `<link rel="shortcut icon" href="
58		/static/img/favicon.ico
59	">`
60
61	iconURL, err := parseDocument("http://www.example.org/", strings.NewReader(html))
62	if err != nil {
63		t.Fatal(err)
64	}
65
66	if iconURL != "http://www.example.org/static/img/favicon.ico" {
67		t.Errorf(`Invalid icon URL, got %q`, iconURL)
68	}
69}
70