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sanitizer: handle image URLs in srcset attribute with comma

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This commit is contained in:
Frédéric Guillot 2022-07-04 12:48:48 -07:00
parent d85908e3de
commit 806a069785
6 changed files with 212 additions and 88 deletions
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85
reader/sanitizer/srcset_test.go Normal file
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// Copyright 2022 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package sanitizer
import "testing"
func TestParseSrcSetAttributeWithRelativeURLs(t *testing.T) {
input := `example-320w.jpg, example-480w.jpg 1.5x, example-640,w.jpg 2x, example-640w.jpg 640w`
candidates := ParseSrcSetAttribute(input)
if len(candidates) != 4 {
t.Error(`Incorrect number of candidates`)
}
if candidates.String() != `example-320w.jpg, example-480w.jpg 1.5x, example-640,w.jpg 2x, example-640w.jpg 640w` {
t.Errorf(`Unexpected string output`)
}
}
func TestParseSrcSetAttributeWithAbsoluteURLs(t *testing.T) {
input := `http://example.org/example-320w.jpg 320w, http://example.org/example-480w.jpg 1.5x`
candidates := ParseSrcSetAttribute(input)
if len(candidates) != 2 {
t.Error(`Incorrect number of candidates`)
}
if candidates.String() != `http://example.org/example-320w.jpg 320w, http://example.org/example-480w.jpg 1.5x` {
t.Errorf(`Unexpected string output`)
}
}
func TestParseSrcSetAttributeWithOneCandidate(t *testing.T) {
input := `http://example.org/example-320w.jpg`
candidates := ParseSrcSetAttribute(input)
if len(candidates) != 1 {
t.Error(`Incorrect number of candidates`)
}
if candidates.String() != `http://example.org/example-320w.jpg` {
t.Errorf(`Unexpected string output`)
}
}
func TestParseSrcSetAttributeWithCommaURL(t *testing.T) {
input := `http://example.org/example,a:b/d.jpg , example-480w.jpg 1.5x`
candidates := ParseSrcSetAttribute(input)
if len(candidates) != 2 {
t.Error(`Incorrect number of candidates`)
}
if candidates.String() != `http://example.org/example,a:b/d.jpg, example-480w.jpg 1.5x` {
t.Errorf(`Unexpected string output`)
}
}
func TestParseSrcSetAttributeWithIncorrectDescriptor(t *testing.T) {
input := `http://example.org/example-320w.jpg test`
candidates := ParseSrcSetAttribute(input)
if len(candidates) != 0 {
t.Error(`Incorrect number of candidates`)
}
if candidates.String() != `` {
t.Errorf(`Unexpected string output`)
}
}
func TestParseSrcSetAttributeWithTooManyDescriptors(t *testing.T) {
input := `http://example.org/example-320w.jpg 10w 1x`
candidates := ParseSrcSetAttribute(input)
if len(candidates) != 0 {
t.Error(`Incorrect number of candidates`)
}
if candidates.String() != `` {
t.Errorf(`Unexpected string output`)
}
}