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test(sanitizer): add unit test for 0x0 pixel tracker

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This commit is contained in:
Frédéric Guillot 2025-06-17 17:36:09 -07:00
parent 152ef578d2
commit a313c8a66d
1 changed files with 11 additions and 1 deletions
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12
internal/reader/sanitizer/sanitizer_test.go
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@ -709,7 +709,7 @@ func TestImageSrcWithTrackers(t *testing.T) {
} }
} }
func TestPixelTracker(t *testing.T) { func Test1x1PixelTracker(t *testing.T) {
input := `<p><img src="https://tracker1.example.org/" height="1" width="1"> and <img src="https://tracker2.example.org/" height="1" width="1"/></p>` input := `<p><img src="https://tracker1.example.org/" height="1" width="1"> and <img src="https://tracker2.example.org/" height="1" width="1"/></p>`
expected := `<p> and </p>` expected := `<p> and </p>`
output := SanitizeHTMLWithDefaultOptions("http://example.org/", input) output := SanitizeHTMLWithDefaultOptions("http://example.org/", input)
@ -719,6 +719,16 @@ func TestPixelTracker(t *testing.T) {
} }
} }
func Test0x0PixelTracker(t *testing.T) {
input := `<p><img src="https://tracker1.example.org/" height="0" width="0"> and <img src="https://tracker2.example.org/" height="0" width="0"/></p>`
expected := `<p> and </p>`
output := SanitizeHTMLWithDefaultOptions("http://example.org/", input)
if expected != output {
t.Errorf(`Wrong output: "%s" != "%s"`, expected, output)
}
}
func TestXmlEntities(t *testing.T) { func TestXmlEntities(t *testing.T) {
input := `<pre>echo "test" &gt; /etc/hosts</pre>` input := `<pre>echo "test" &gt; /etc/hosts</pre>`
expected := `<pre>echo &#34;test&#34; &gt; /etc/hosts</pre>` expected := `<pre>echo &#34;test&#34; &gt; /etc/hosts</pre>`