package extension
import (
"testing"
"github.com/yuin/goldmark"
gast "github.com/yuin/goldmark/ast"
"github.com/yuin/goldmark/parser"
"github.com/yuin/goldmark/renderer/html"
"github.com/yuin/goldmark/testutil"
"github.com/yuin/goldmark/text"
"github.com/yuin/goldmark/util"
)
func TestFootnote(t *testing.T) {
markdown := goldmark.New(
goldmark.WithRendererOptions(
html.WithUnsafe(),
),
goldmark.WithExtensions(
Footnote,
),
)
testutil.DoTestCaseFile(markdown, "_test/footnote.txt", t, testutil.ParseCliCaseArg()...)
}
type footnoteID struct {
}
func (a *footnoteID) Transform(node *gast.Document, reader text.Reader, pc parser.Context) {
node.Meta()["footnote-prefix"] = "article12-"
}
func TestFootnoteOptions(t *testing.T) {
markdown := goldmark.New(
goldmark.WithRendererOptions(
html.WithUnsafe(),
),
goldmark.WithExtensions(
NewFootnote(
WithFootnoteIDPrefix("article12-"),
WithFootnoteLinkClass("link-class"),
WithFootnoteBacklinkClass("backlink-class"),
WithFootnoteLinkTitle("link-title-%%-^^"),
WithFootnoteBacklinkTitle("backlink-title"),
WithFootnoteBacklinkHTML("^"),
),
),
)
testutil.DoTestCase(
markdown,
testutil.MarkdownTestCase{
No: 1,
Description: "Footnote with options",
Markdown: `That's some text with a footnote.[^1]
Same footnote.[^1]
Another one.[^2]
[^1]: And that's the footnote.
[^2]: Another footnote.
`,
Expected: `That's some text with a footnote.1
Same footnote.1
Another one.2
`,
},
t,
)
markdown = goldmark.New(
goldmark.WithParserOptions(
parser.WithASTTransformers(
util.Prioritized(&footnoteID{}, 100),
),
),
goldmark.WithRendererOptions(
html.WithUnsafe(),
),
goldmark.WithExtensions(
NewFootnote(
WithFootnoteIDPrefixFunction(func(n gast.Node) []byte {
v, ok := n.OwnerDocument().Meta()["footnote-prefix"]
if ok {
return util.StringToReadOnlyBytes(v.(string))
}
return nil
}),
WithFootnoteLinkClass([]byte("link-class")),
WithFootnoteBacklinkClass([]byte("backlink-class")),
WithFootnoteLinkTitle([]byte("link-title-%%-^^")),
WithFootnoteBacklinkTitle([]byte("backlink-title")),
WithFootnoteBacklinkHTML([]byte("^")),
),
),
)
testutil.DoTestCase(
markdown,
testutil.MarkdownTestCase{
No: 2,
Description: "Footnote with an id prefix function",
Markdown: `That's some text with a footnote.[^1]
Same footnote.[^1]
Another one.[^2]
[^1]: And that's the footnote.
[^2]: Another footnote.
`,
Expected: `That's some text with a footnote.1
Same footnote.1
Another one.2
`,
},
t,
)
}