hugo/helpers/content_renderer_test.go
Nathan Youngman ec9c691216 Insert code tag for server-side syntax highlighting
Inserts a code tag into Pygments output with the language-info that is present when using client-side highlighting (useful for CSS hooks)

```html
<code class="language-go" data-lang="go">
```

closes #1490
2015-10-15 17:59:28 +02:00

64 lines
1.6 KiB
Go

package helpers
import (
"bytes"
"github.com/spf13/viper"
"testing"
)
// Renders a codeblock using Blackfriday
func render(input string) string {
ctx := &RenderingContext{}
render := GetHTMLRenderer(0, ctx)
buf := &bytes.Buffer{}
render.BlockCode(buf, []byte(input), "html")
return buf.String()
}
// Renders a codeblock using Mmark
func renderWithMmark(input string) string {
ctx := &RenderingContext{}
render := GetMmarkHtmlRenderer(0, ctx)
buf := &bytes.Buffer{}
render.BlockCode(buf, []byte(input), "html", []byte(""), false, false)
return buf.String()
}
func TestCodeFence(t *testing.T) {
if !HasPygments() {
t.Skip("Skipping Pygments test as Pygments is not installed or available.")
return
}
type test struct {
enabled bool
input, expected string
}
data := []test{
{true, "<html></html>", "<div class=\"highlight\"><pre><code class=\"language-html\" data-lang=\"html\"><span class=\"nt\">&lt;html&gt;&lt;/html&gt;</span>\n</code></pre></div>\n"},
{false, "<html></html>", "<pre><code class=\"language-html\">&lt;html&gt;&lt;/html&gt;</code></pre>\n"},
}
viper.Reset()
defer viper.Reset()
viper.Set("PygmentsStyle", "monokai")
viper.Set("PygmentsUseClasses", true)
for i, d := range data {
viper.Set("PygmentsCodeFences", d.enabled)
result := render(d.input)
if result != d.expected {
t.Errorf("Test %d failed. BlackFriday enabled:%t, Expected:\n%q got:\n%q", i, d.enabled, d.expected, result)
}
result = renderWithMmark(d.input)
if result != d.expected {
t.Errorf("Test %d failed. Mmark enabled:%t, Expected:\n%q got:\n%q", i, d.enabled, d.expected, result)
}
}
}