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ec9c691216
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
64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package helpers
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import (
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"bytes"
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"github.com/spf13/viper"
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"testing"
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)
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// Renders a codeblock using Blackfriday
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func render(input string) string {
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ctx := &RenderingContext{}
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render := GetHTMLRenderer(0, ctx)
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buf := &bytes.Buffer{}
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render.BlockCode(buf, []byte(input), "html")
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return buf.String()
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}
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// Renders a codeblock using Mmark
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func renderWithMmark(input string) string {
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ctx := &RenderingContext{}
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render := GetMmarkHtmlRenderer(0, ctx)
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buf := &bytes.Buffer{}
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render.BlockCode(buf, []byte(input), "html", []byte(""), false, false)
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return buf.String()
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}
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func TestCodeFence(t *testing.T) {
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if !HasPygments() {
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t.Skip("Skipping Pygments test as Pygments is not installed or available.")
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return
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}
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type test struct {
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enabled bool
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input, expected string
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}
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data := []test{
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{true, "<html></html>", "<div class=\"highlight\"><pre><code class=\"language-html\" data-lang=\"html\"><span class=\"nt\"><html></html></span>\n</code></pre></div>\n"},
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{false, "<html></html>", "<pre><code class=\"language-html\"><html></html></code></pre>\n"},
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}
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viper.Reset()
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defer viper.Reset()
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viper.Set("PygmentsStyle", "monokai")
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viper.Set("PygmentsUseClasses", true)
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for i, d := range data {
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viper.Set("PygmentsCodeFences", d.enabled)
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result := render(d.input)
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if result != d.expected {
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t.Errorf("Test %d failed. BlackFriday enabled:%t, Expected:\n%q got:\n%q", i, d.enabled, d.expected, result)
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}
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result = renderWithMmark(d.input)
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if result != d.expected {
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t.Errorf("Test %d failed. Mmark enabled:%t, Expected:\n%q got:\n%q", i, d.enabled, d.expected, result)
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}
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}
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}
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