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// 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 (
"reflect"
"strings"
"testing"
)
func TestParseRules(t *testing.T) {
rulesText := `add_dynamic_image,replace("article/(.*).svg"|"article/$1.png"),remove(".spam, .ads:not(.keep)")`
expected := []rule{
{name: "add_dynamic_image"},
{name: "replace", args: []string{"article/(.*).svg", "article/$1.png"}},
{name: "remove", args: []string{".spam, .ads:not(.keep)"}},
}
actual := parseRules(rulesText)
if !reflect.DeepEqual(expected, actual) {
t.Errorf(`Parsed rules do not match expected rules: got %v instead of %v`, actual, expected)
}
}
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="<foo>"/><figcaption><p><foo></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 TestRewriteWithLazySrcset(t *testing.T) {
description := `<img srcset="" data-srcset="https://example.org/image.jpg" alt="Image">`
output := Rewriter("https://example.org/article", description, "add_dynamic_image")
expected := `<img srcset="https://example.org/image.jpg" data-srcset="https://example.org/image.jpg" alt="Image"/>`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteWithImageAndLazySrcset(t *testing.T) {
description := `<img src="meow" srcset="" data-srcset="https://example.org/image.jpg" alt="Image">`
output := Rewriter("https://example.org/article", description, "add_dynamic_image")
expected := `<img src="meow" srcset="https://example.org/image.jpg" data-srcset="https://example.org/image.jpg" alt="Image"/>`
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)
}
}
func TestRewriteNoScriptImageWithoutNoScriptTag(t *testing.T) {
content := `<figure><img src="https://developer.mozilla.org/static/img/favicon144.png" alt="The beautiful MDN logo."><figcaption>MDN Logo</figcaption></figure>`
expected := `<figure><img src="https://developer.mozilla.org/static/img/favicon144.png" alt="The beautiful MDN logo."/><figcaption>MDN Logo</figcaption></figure>`
output := Rewriter("https://example.org/article", content, "use_noscript_figure_images")
output = strings.TrimSpace(output)
if expected != output {
t.Errorf(`Not expected output: %s`, output)
}
}
func TestRewriteNoScriptImageWithNoScriptTag(t *testing.T) {
content := `<figure><img src="https://developer.mozilla.org/static/img/favicon144.png" alt="The beautiful MDN logo."><noscript><img src="http://example.org/logo.svg"></noscript><figcaption>MDN Logo</figcaption></figure>`
expected := `<figure><img src="http://example.org/logo.svg"/><figcaption>MDN Logo</figcaption></figure>`
output := Rewriter("https://example.org/article", content, "use_noscript_figure_images")
output = strings.TrimSpace(output)
if expected != output {
t.Errorf(`Not expected output: %s`, output)
}
}
func TestRewriteReplaceCustom(t *testing.T) {
content := `<img src="http://example.org/logo.svg"><img src="https://example.org/article/picture.svg">`
expected := `<img src="http://example.org/logo.svg"><img src="https://example.org/article/picture.png">`
output := Rewriter("https://example.org/article", content, `replace("article/(.*).svg"|"article/$1.png")`)
if expected != output {
t.Errorf(`Not expected output: %s`, output)
}
}
func TestRewriteRemoveCustom(t *testing.T) {
content := `<div>Lorem Ipsum <span class="spam">I dont want to see this</span><span class="ads keep">Super important info</span></div>`
expected := `<div>Lorem Ipsum <span class="ads keep">Super important info</span></div>`
output := Rewriter("https://example.org/article", content, `remove(".spam, .ads:not(.keep)")`)
if expected != output {
t.Errorf(`Not expected output: %s`, output)
}
}
func TestRewriteAddCastopodEpisode(t *testing.T) {
output := Rewriter("https://podcast.demo/@demo/episodes/test", "Episode Description", `add_castopod_episode`)
expected := `<iframe width="650" frameborder="0" src="https://podcast.demo/@demo/episodes/test/embed/light"></iframe><br>Episode Description`
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteBase64Decode(t *testing.T) {
content := `VGhpcyBpcyBzb21lIGJhc2U2NCBlbmNvZGVkIGNvbnRlbnQ=`
expected := `This is some base64 encoded content`
output := Rewriter("https://example.org/article", content, `base64_decode`)
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteBase64DecodeInHTML(t *testing.T) {
content := `<div>Lorem Ipsum not valid base64<span class="base64">VGhpcyBpcyBzb21lIGJhc2U2NCBlbmNvZGVkIGNvbnRlbnQ=</span></div>`
expected := `<div>Lorem Ipsum not valid base64<span class="base64">This is some base64 encoded content</span></div>`
output := Rewriter("https://example.org/article", content, `base64_decode`)
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteBase64DecodeArgs(t *testing.T) {
content := `<div>Lorem Ipsum<span class="base64">VGhpcyBpcyBzb21lIGJhc2U2NCBlbmNvZGVkIGNvbnRlbnQ=</span></div>`
expected := `<div>Lorem Ipsum<span class="base64">This is some base64 encoded content</span></div>`
output := Rewriter("https://example.org/article", content, `base64_decode(".base64")`)
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
func TestRewriteRemoveTables(t *testing.T) {
content := `<table class="container"><tbody><tr><td><p>Test</p><table class="row"><tbody><tr><td>Hello World!</td></tr></tbody></table></td></tr></tbody></table>`
expected := `<p>Test</p>Hello World!`
output := Rewriter("https://example.org/article", content, `remove_tables`)
if expected != output {
t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
}
}
|
