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parser_test.go
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parser_test.go
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package wikilink
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/yuin/goldmark/ast"
"github.com/yuin/goldmark/parser"
"github.com/yuin/goldmark/text"
)
func TestParser(t *testing.T) {
t.Parallel()
tests := []struct {
desc string
give string
wantTarget string
wantLabel string
wantFragment string
wantEmbed bool
remainder string // unconsumed portion of tt.give
}{
{
desc: "simple",
give: "[[foo]] bar",
wantTarget: "foo",
wantLabel: "foo",
remainder: " bar",
},
{
desc: "spaces",
give: "[[foo bar]]baz",
wantTarget: "foo bar",
wantLabel: "foo bar",
remainder: "baz",
},
{
desc: "label",
give: "[[foo|bar]]",
wantTarget: "foo",
wantLabel: "bar",
},
{
desc: "label with spaces",
give: "[[foo bar|baz qux]] quux",
wantTarget: "foo bar",
wantLabel: "baz qux",
remainder: " quux",
},
{
desc: "fragment",
give: "[[foo#bar]] baz",
wantTarget: "foo",
wantLabel: "foo#bar",
wantFragment: "bar",
remainder: " baz",
},
{
desc: "fragment with label",
give: "[[foo#bar|baz]]",
wantTarget: "foo",
wantLabel: "baz",
wantFragment: "bar",
},
{
desc: "fragment without target",
give: "[[#foo]]",
wantTarget: "",
wantLabel: "#foo",
wantFragment: "foo",
},
{
desc: "fragment without target with label",
give: "[[#foo|bar]]",
wantTarget: "",
wantLabel: "bar",
wantFragment: "foo",
},
{
desc: "label with spaces. embedded",
give: "![[foo bar|baz qux]] quux",
wantTarget: "foo bar",
wantLabel: "baz qux",
remainder: " quux",
wantEmbed: true,
},
{
desc: "fragment without target with label. embedded",
give: "![[#foo|bar]]",
wantTarget: "",
wantLabel: "bar",
wantFragment: "foo",
wantEmbed: true,
},
{
desc: "fragment without target with label. embedded",
give: "![[baz#foo|bar]]",
wantTarget: "baz",
wantLabel: "bar",
wantFragment: "foo",
wantEmbed: true,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.desc, func(t *testing.T) {
t.Parallel()
r := text.NewReader([]byte(tt.give))
var p Parser
got := p.Parse(nil /* parent */, r, parser.NewContext())
require.NotNil(t, got, "expected Node, got nil")
if n, ok := got.(*Node); assert.True(t, ok, "expected Node, got %T", got) {
assert.Equal(t, tt.wantTarget, string(n.Target), "target mismatch")
assert.Equal(t, tt.wantFragment, string(n.Fragment), "fragment mismatch")
assert.Equal(t, tt.wantEmbed, n.Embed, "embed mismatch")
}
if assert.Equal(t, 1, got.ChildCount(), "children mismatch") {
child := got.FirstChild()
if label, ok := child.(*ast.Text); assert.True(t, ok, "expected Text, got %T", child) {
assert.Equal(t, tt.wantLabel, string(r.Value(label.Segment)), "label mismatch")
}
}
_, pos := r.Position()
assert.Equal(t, tt.remainder, string(r.Value(pos)),
"remaining text does not match")
})
}
}