miniflux/reader/rewrite/rewriter_test.go
2020-09-29 22:27:32 -07:00

210 lines
10 KiB
Go

// Copyright 2017 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 rewrite // import "miniflux.app/reader/rewrite"
import (
"strings"
"testing"
)
func TestReplaceTextLinks(t *testing.T) {
scenarios := map[string]string{
`This is a link to example.org`: `This is a link to example.org`,
`This is a link to ftp://example.org`: `This is a link to ftp://example.org`,
`This is a link to www.example.org`: `This is a link to www.example.org`,
`This is a link to http://example.org`: `This is a link to <a href="http://example.org">http://example.org</a>`,
`This is a link to http://example.org, end of sentence.`: `This is a link to <a href="http://example.org">http://example.org</a>, end of sentence.`,
`This is a link to https://example.org`: `This is a link to <a href="https://example.org">https://example.org</a>`,
`This is a link to https://www.example.org/path/to?q=s`: `This is a link to <a href="https://www.example.org/path/to?q=s">https://www.example.org/path/to?q=s</a>`,
`This is a link to https://example.org/index#hash-tag, http://example.org/.`: `This is a link to <a href="https://example.org/index#hash-tag">https://example.org/index#hash-tag</a>, <a href="http://example.org/">http://example.org/</a>.`,
}
for input, expected := range scenarios {
actual := replaceTextLinks(input)
if actual != expected {
t.Errorf(`Unexpected link replacement, got "%s" instead of "%s"`, actual, expected)
}
}
}
func TestRewriteWithNoMatchingRule(t *testing.T) {
output := Rewriter("https://example.org/article", `Some text.`, ``)
expected := `Some text.`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithYoutubeLink(t *testing.T) {
output := Rewriter("https://www.youtube.com/watch?v=1234", "Video Description", ``)
expected := `<iframe width="650" height="350" frameborder="0" src="https://www.youtube-nocookie.com/embed/1234" allowfullscreen></iframe><br>Video Description`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithInexistingCustomRule(t *testing.T) {
output := Rewriter("https://www.youtube.com/watch?v=1234", `Video Description`, `some rule`)
expected := `Video Description`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithXkcdLink(t *testing.T) {
description := `<img src="https://imgs.xkcd.com/comics/thermostat.png" title="Your problem is so terrible, I worry that, if I help you, I risk drawing the attention of whatever god of technology inflicted it on you." alt="Your problem is so terrible, I worry that, if I help you, I risk drawing the attention of whatever god of technology inflicted it on you." />`
output := Rewriter("https://xkcd.com/1912/", description, ``)
expected := `<figure><img src="https://imgs.xkcd.com/comics/thermostat.png" alt="Your problem is so terrible, I worry that, if I help you, I risk drawing the attention of whatever god of technology inflicted it on you."/><figcaption><p>Your problem is so terrible, I worry that, if I help you, I risk drawing the attention of whatever god of technology inflicted it on you.</p></figcaption></figure>`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithXkcdLinkHtmlInjection(t *testing.T) {
description := `<img src="https://imgs.xkcd.com/comics/thermostat.png" title="<foo>" alt="<foo>" />`
output := Rewriter("https://xkcd.com/1912/", description, ``)
expected := `<figure><img src="https://imgs.xkcd.com/comics/thermostat.png" alt="&lt;foo&gt;"/><figcaption><p>&lt;foo&gt;</p></figcaption></figure>`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithXkcdLinkAndImageNoTitle(t *testing.T) {
description := `<img src="https://imgs.xkcd.com/comics/thermostat.png" alt="Your problem is so terrible, I worry that, if I help you, I risk drawing the attention of whatever god of technology inflicted it on you." />`
output := Rewriter("https://xkcd.com/1912/", description, ``)
expected := description
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithXkcdLinkAndNoImage(t *testing.T) {
description := "test"
output := Rewriter("https://xkcd.com/1912/", description, ``)
expected := description
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithXkcdAndNoImage(t *testing.T) {
description := "test"
output := Rewriter("https://xkcd.com/1912/", description, ``)
expected := description
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteMailtoLink(t *testing.T) {
description := `<a href="mailto:ryan@qwantz.com?subject=blah%20blah">contact</a>`
output := Rewriter("https://www.qwantz.com/", description, ``)
expected := `<a href="mailto:ryan@qwantz.com?subject=blah%20blah">contact [blah blah]</a>`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithPDFLink(t *testing.T) {
description := "test"
output := Rewriter("https://example.org/document.pdf", description, ``)
expected := `<a href="https://example.org/document.pdf">PDF</a><br>test`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithNoLazyImage(t *testing.T) {
description := `<img src="https://example.org/image.jpg" alt="Image"><noscript><p>Some text</p></noscript>`
output := Rewriter("https://example.org/article", description, "add_dynamic_image")
expected := description
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithLazyImage(t *testing.T) {
description := `<img src="" data-url="https://example.org/image.jpg" alt="Image"><noscript><img src="https://example.org/fallback.jpg" alt="Fallback"></noscript>`
output := Rewriter("https://example.org/article", description, "add_dynamic_image")
expected := `<img src="https://example.org/image.jpg" data-url="https://example.org/image.jpg" alt="Image"/><noscript><img src="https://example.org/fallback.jpg" alt="Fallback"></noscript>`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithLazyDivImage(t *testing.T) {
description := `<div data-url="https://example.org/image.jpg" alt="Image"></div><noscript><img src="https://example.org/fallback.jpg" alt="Fallback"></noscript>`
output := Rewriter("https://example.org/article", description, "add_dynamic_image")
expected := `<img src="https://example.org/image.jpg" alt="Image"/><noscript><img src="https://example.org/fallback.jpg" alt="Fallback"></noscript>`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithUnknownLazyNoScriptImage(t *testing.T) {
description := `<img src="" data-non-candidate="https://example.org/image.jpg" alt="Image"><noscript><img src="https://example.org/fallback.jpg" alt="Fallback"></noscript>`
output := Rewriter("https://example.org/article", description, "add_dynamic_image")
expected := `<img src="" data-non-candidate="https://example.org/image.jpg" alt="Image"/><img src="https://example.org/fallback.jpg" alt="Fallback"/>`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestNewLineRewriteRule(t *testing.T) {
description := "A\nB\nC"
output := Rewriter("https://example.org/article", description, "nl2br")
expected := `A<br>B<br>C`
if expected != output {
t.Errorf(`Not expected output: got %q instead of %q`, output, expected)
}
}
func TestConvertTextLinkRewriteRule(t *testing.T) {
description := "Test: http://example.org/a/b"
output := Rewriter("https://example.org/article", description, "convert_text_link")
expected := `Test: <a href="http://example.org/a/b">http://example.org/a/b</a>`
if expected != output {
t.Errorf(`Not expected output: got %q instead of %q`, output, expected)
}
}
func TestMediumImage(t *testing.T) {
content := `
<figure class="ht hu hv hw hx hy cy cz paragraph-image">
<div class="hz ia ib ic aj">
<div class="cy cz hs">
<div class="ii s ib ij">
<div class="ik il s">
<div class="id ie t u v if aj bk ig ih">
<img alt="Image for post" class="t u v if aj im in io" src="https://miro.medium.com/max/60/1*ephLSqSzQYLvb7faDwzRbw.jpeg?q=20" width="1280" height="720"/>
</div>
<img alt="Image for post" class="id ie t u v if aj c" width="1280" height="720"/>
<noscript>
<img alt="Image for post" class="t u v if aj" src="https://miro.medium.com/max/2560/1*ephLSqSzQYLvb7faDwzRbw.jpeg" width="1280" height="720" srcSet="https://miro.medium.com/max/552/1*ephLSqSzQYLvb7faDwzRbw.jpeg 276w, https://miro.medium.com/max/1104/1*ephLSqSzQYLvb7faDwzRbw.jpeg 552w, https://miro.medium.com/max/1280/1*ephLSqSzQYLvb7faDwzRbw.jpeg 640w, https://miro.medium.com/max/1400/1*ephLSqSzQYLvb7faDwzRbw.jpeg 700w" sizes="700px"/>
</noscript>
</div>
</div>
</div>
</div>
</figure>
`
expected := `<img alt="Image for post" class="t u v if aj" src="https://miro.medium.com/max/2560/1*ephLSqSzQYLvb7faDwzRbw.jpeg" width="1280" height="720" srcset="https://miro.medium.com/max/552/1*ephLSqSzQYLvb7faDwzRbw.jpeg 276w, https://miro.medium.com/max/1104/1*ephLSqSzQYLvb7faDwzRbw.jpeg 552w, https://miro.medium.com/max/1280/1*ephLSqSzQYLvb7faDwzRbw.jpeg 640w, https://miro.medium.com/max/1400/1*ephLSqSzQYLvb7faDwzRbw.jpeg 700w" sizes="700px"/>`
output := Rewriter("https://example.org/article", content, "fix_medium_images")
output = strings.TrimSpace(output)
if expected != output {
t.Errorf(`Not expected output: %s`, output)
}
}