70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
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// SPDX-License-Identifier: MIT
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package markdown
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import (
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"bytes"
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"testing"
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)
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func TestDeterministicOutput(t *testing.T) {
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source := []byte("# Title\n\nText with < and &.\n\n- one\n - nested\n\n> quoted\n\n" +
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"```go\nx := 1\n```\n\n[ref]: /url \"title\"\n")
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first := RenderHTML(source)
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for i := range 10 {
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if next := RenderHTML(source); !bytes.Equal(first, next) {
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t.Fatalf("render %d differs:\nfirst: %q\nnext: %q", i, first, next)
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}
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}
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}
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func TestReferenceNormalisation(t *testing.T) {
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doc := Parse([]byte("[Foo Bar]: /first\n[FOO\t bar]: /second\n"))
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if len(doc.refs) != 1 {
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t.Fatalf("got %d references, want 1", len(doc.refs))
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}
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ref, ok := doc.refs["foo bar"]
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if !ok {
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t.Fatalf("no reference under the normalised label \"foo bar\"")
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}
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if ref.destination != "/first" {
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t.Errorf("destination = %q, want \"/first\": the first definition wins", ref.destination)
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}
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}
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func TestReferenceTitleKept(t *testing.T) {
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doc := Parse([]byte("[foo]: /url 'the title'\n"))
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ref, ok := doc.refs["foo"]
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if !ok {
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t.Fatal("no reference recorded")
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}
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if !ref.hasTitle || ref.title != "the title" {
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t.Errorf("title = %q with hasTitle %v, want \"the title\" with hasTitle", ref.title, ref.hasTitle)
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}
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}
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func TestJunkAfterTitleIsNotADefinition(t *testing.T) {
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doc := Parse([]byte("[foo]: /url \"title\" ok\n"))
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if len(doc.refs) != 0 {
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t.Errorf("got %d references, want 0", len(doc.refs))
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}
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if len(doc.children) != 1 || doc.children[0].kind != kindParagraph {
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t.Fatalf("the line should stay a paragraph")
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}
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}
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func TestBacktickInfoStringRejectsFence(t *testing.T) {
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doc := Parse([]byte("``` aaa ```\n"))
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if len(doc.children) != 1 || doc.children[0].kind != kindParagraph {
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t.Fatalf("the line should stay a paragraph, got %d children", len(doc.children))
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}
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}
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func TestParseEmptyDocument(t *testing.T) {
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doc := Parse(nil)
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if doc.kind != kindDocument || len(doc.children) != 0 {
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t.Errorf("Parse(nil) should give an empty document")
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}
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}
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