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Merged
ematipico merged 4 commits into from
Apr 4, 2026
Merged

test(markdown_parser): add reference HTML validation and structural invariants #9779

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c2d26a4
test(markdown_parser): add reference HTML validation and structural i…
jfmcdowell Apr 2, 2026
f2f7655
fix(test): fail explicitly when MdDocument::cast returns None for HTM…
jfmcdowell Apr 3, 2026
58d3e5f
fix(review): use similar-asserts and improve test diagnostics
jfmcdowell Apr 3, 2026
e11220b
[autofix.ci] apply automated fixes
autofix-ci[bot] Apr 3, 2026
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4 changes: 4 additions & 0 deletions crates/biome_markdown_parser/tests/md_test_suite/ok/atx_heading_trailing_hash.html
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<h1>foo#</h1>
<h1>foo</h1>
<h1>foo</h1>
<p>#foo</p>
8 changes: 8 additions & 0 deletions crates/biome_markdown_parser/tests/md_test_suite/ok/autolinks.html
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<p>URL autolink: <a href="https://example.com">https://example.com</a></p>
<p>Email autolink: <a href="mailto:user@example.com">user@example.com</a></p>
<p>Not an autolink (no scheme): &lt;example.com&gt;</p>
<p>Mixed text: Visit <a href="http://rust-lang.org">http://rust-lang.org</a> for more.</p>
<p>Invalid email autolink (leading hyphen): &lt;a@-b&gt;</p>
<p>Invalid email autolink (trailing hyphen): &lt;a@b-&gt;</p>
<p>Invalid email autolink (empty label): &lt;a@a..b&gt;</p>
<p>Invalid email autolink (label too long): &lt;a@aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa&gt;</p>
7 changes: 7 additions & 0 deletions crates/biome_markdown_parser/tests/md_test_suite/ok/block_quote.html
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<blockquote>
<p>This is a quote
It continues here</p>
</blockquote>
<blockquote>
<p>Another quote block</p>
</blockquote>
13 changes: 13 additions & 0 deletions crates/biome_markdown_parser/tests/md_test_suite/ok/block_quote_grouping.html
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<blockquote>
<p>a
b</p>
</blockquote>
<blockquote>
<p>a
b</p>
</blockquote>
<blockquote>
<blockquote>
<p>nested</p>
</blockquote>
</blockquote>
9 changes: 9 additions & 0 deletions crates/biome_markdown_parser/tests/md_test_suite/ok/blockquote_inside_list.md
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- item
> quoted
> more

- before
> single quote

1. ordered
> nested quote
350 changes: 350 additions & 0 deletions crates/biome_markdown_parser/tests/md_test_suite/ok/blockquote_inside_list.md.snap
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---
source: crates/biome_markdown_parser/tests/spec_test.rs
expression: snapshot
---

## Input

```
- item
> quoted
> more

- before
> single quote

1. ordered
> nested quote

```


## AST

```
MdDocument {
bom_token: missing (optional),
value: MdBlockList [
MdBulletListItem {
md_bullet_list: MdBulletList [
MdBullet {
prefix: MdListMarkerPrefix {
pre_marker_indent: MdIndentTokenList [],
marker: MINUS@0..1 "-" [] [],
post_marker_space_token: missing (optional),
content_indent: MdIndentTokenList [],
},
content: MdBlockList [
MdParagraph {
list: MdInlineItemList [
MdTextual {
value_token: MD_TEXTUAL_LITERAL@1..6 " item" [] [],
},
MdTextual {
value_token: MD_TEXTUAL_LITERAL@6..7 "\n" [] [],
},
],
hard_line: missing (optional),
},
MdContinuationIndent {
indent: MdIndentTokenList [
MdIndentToken {
md_indent_char_token: MD_INDENT_CHAR@7..8 " " [] [],
},
MdIndentToken {
md_indent_char_token: MD_INDENT_CHAR@8..9 " " [] [],
},
],
},
MdQuote {
prefix: MdQuotePrefix {
pre_marker_indent: MdQuoteIndentList [],
marker_token: R_ANGLE@9..10 ">" [] [],
post_marker_space_token: MD_QUOTE_POST_MARKER_SPACE@10..11 " " [] [],
},
content: MdBlockList [
MdParagraph {
list: MdInlineItemList [
MdTextual {
value_token: MD_TEXTUAL_LITERAL@11..17 "quoted" [] [],
},
MdTextual {
value_token: MD_TEXTUAL_LITERAL@17..18 "\n" [] [],
},
MdQuotePrefix {
pre_marker_indent: MdQuoteIndentList [
MdQuoteIndent {
md_quote_pre_marker_indent_token: MD_QUOTE_PRE_MARKER_INDENT@18..19 " " [] [],
},
MdQuoteIndent {
md_quote_pre_marker_indent_token: MD_QUOTE_PRE_MARKER_INDENT@19..20 " " [] [],
},
],
marker_token: R_ANGLE@20..21 ">" [] [],
post_marker_space_token: MD_QUOTE_POST_MARKER_SPACE@21..22 " " [] [],
},
MdTextual {
value_token: MD_TEXTUAL_LITERAL@22..26 "more" [] [],
},
MdTextual {
value_token: MD_TEXTUAL_LITERAL@26..27 "\n" [] [],
},
],
hard_line: missing (optional),
},
],
},
MdNewline {
value_token: NEWLINE@27..28 "\n" [] [],
},
],
},
MdBullet {
prefix: MdListMarkerPrefix {
pre_marker_indent: MdIndentTokenList [],
marker: MINUS@28..29 "-" [] [],
post_marker_space_token: missing (optional),
content_indent: MdIndentTokenList [],
},
content: MdBlockList [
MdParagraph {
list: MdInlineItemList [
MdTextual {
value_token: MD_TEXTUAL_LITERAL@29..36 " before" [] [],
},
MdTextual {
value_token: MD_TEXTUAL_LITERAL@36..37 "\n" [] [],
},
],
hard_line: missing (optional),
},
MdContinuationIndent {
indent: MdIndentTokenList [
MdIndentToken {
md_indent_char_token: MD_INDENT_CHAR@37..38 " " [] [],
},
MdIndentToken {
md_indent_char_token: MD_INDENT_CHAR@38..39 " " [] [],
},
],
},
MdQuote {
prefix: MdQuotePrefix {
pre_marker_indent: MdQuoteIndentList [],
marker_token: R_ANGLE@39..40 ">" [] [],
post_marker_space_token: MD_QUOTE_POST_MARKER_SPACE@40..41 " " [] [],
},
content: MdBlockList [
MdParagraph {
list: MdInlineItemList [
MdTextual {
value_token: MD_TEXTUAL_LITERAL@41..53 "single quote" [] [],
},
MdTextual {
value_token: MD_TEXTUAL_LITERAL@53..54 "\n" [] [],
},
],
hard_line: missing (optional),
},
],
},
MdNewline {
value_token: NEWLINE@54..55 "\n" [] [],
},
],
},
],
},
MdOrderedListItem {
md_bullet_list: MdBulletList [
MdBullet {
prefix: MdListMarkerPrefix {
pre_marker_indent: MdIndentTokenList [],
marker: MD_ORDERED_LIST_MARKER@55..57 "1." [] [],
post_marker_space_token: missing (optional),
content_indent: MdIndentTokenList [],
},
content: MdBlockList [
MdParagraph {
list: MdInlineItemList [
MdTextual {
value_token: MD_TEXTUAL_LITERAL@57..65 " ordered" [] [],
},
MdTextual {
value_token: MD_TEXTUAL_LITERAL@65..66 "\n" [] [],
},
],
hard_line: missing (optional),
},
MdContinuationIndent {
indent: MdIndentTokenList [
MdIndentToken {
md_indent_char_token: MD_INDENT_CHAR@66..67 " " [] [],
},
MdIndentToken {
md_indent_char_token: MD_INDENT_CHAR@67..68 " " [] [],
},
MdIndentToken {
md_indent_char_token: MD_INDENT_CHAR@68..69 " " [] [],
},
],
},
MdQuote {
prefix: MdQuotePrefix {
pre_marker_indent: MdQuoteIndentList [],
marker_token: R_ANGLE@69..70 ">" [] [],
post_marker_space_token: MD_QUOTE_POST_MARKER_SPACE@70..71 " " [] [],
},
content: MdBlockList [
MdParagraph {
list: MdInlineItemList [
MdTextual {
value_token: MD_TEXTUAL_LITERAL@71..83 "nested quote" [] [],
},
MdTextual {
value_token: MD_TEXTUAL_LITERAL@83..84 "\n" [] [],
},
],
hard_line: missing (optional),
},
],
},
],
},
],
},
],
eof_token: EOF@84..84 "" [] [],
}
```

## CST

```
0: MD_DOCUMENT@0..84
0: (empty)
1: MD_BLOCK_LIST@0..84
0: MD_BULLET_LIST_ITEM@0..55
0: MD_BULLET_LIST@0..55
0: MD_BULLET@0..28
0: MD_LIST_MARKER_PREFIX@0..1
0: MD_INDENT_TOKEN_LIST@0..0
1: MINUS@0..1 "-" [] []
2: (empty)
3: MD_INDENT_TOKEN_LIST@1..1
1: MD_BLOCK_LIST@1..28
0: MD_PARAGRAPH@1..7
0: MD_INLINE_ITEM_LIST@1..7
0: MD_TEXTUAL@1..6
0: MD_TEXTUAL_LITERAL@1..6 " item" [] []
1: MD_TEXTUAL@6..7
0: MD_TEXTUAL_LITERAL@6..7 "\n" [] []
1: (empty)
1: MD_CONTINUATION_INDENT@7..9
0: MD_INDENT_TOKEN_LIST@7..9
0: MD_INDENT_TOKEN@7..8
0: MD_INDENT_CHAR@7..8 " " [] []
1: MD_INDENT_TOKEN@8..9
0: MD_INDENT_CHAR@8..9 " " [] []
2: MD_QUOTE@9..27
0: MD_QUOTE_PREFIX@9..11
0: MD_QUOTE_INDENT_LIST@9..9
1: R_ANGLE@9..10 ">" [] []
2: MD_QUOTE_POST_MARKER_SPACE@10..11 " " [] []
1: MD_BLOCK_LIST@11..27
0: MD_PARAGRAPH@11..27
0: MD_INLINE_ITEM_LIST@11..27
0: MD_TEXTUAL@11..17
0: MD_TEXTUAL_LITERAL@11..17 "quoted" [] []
1: MD_TEXTUAL@17..18
0: MD_TEXTUAL_LITERAL@17..18 "\n" [] []
2: MD_QUOTE_PREFIX@18..22
0: MD_QUOTE_INDENT_LIST@18..20
0: MD_QUOTE_INDENT@18..19
0: MD_QUOTE_PRE_MARKER_INDENT@18..19 " " [] []
1: MD_QUOTE_INDENT@19..20
0: MD_QUOTE_PRE_MARKER_INDENT@19..20 " " [] []
1: R_ANGLE@20..21 ">" [] []
2: MD_QUOTE_POST_MARKER_SPACE@21..22 " " [] []
3: MD_TEXTUAL@22..26
0: MD_TEXTUAL_LITERAL@22..26 "more" [] []
4: MD_TEXTUAL@26..27
0: MD_TEXTUAL_LITERAL@26..27 "\n" [] []
1: (empty)
3: MD_NEWLINE@27..28
0: NEWLINE@27..28 "\n" [] []
1: MD_BULLET@28..55
0: MD_LIST_MARKER_PREFIX@28..29
0: MD_INDENT_TOKEN_LIST@28..28
1: MINUS@28..29 "-" [] []
2: (empty)
3: MD_INDENT_TOKEN_LIST@29..29
1: MD_BLOCK_LIST@29..55
0: MD_PARAGRAPH@29..37
0: MD_INLINE_ITEM_LIST@29..37
0: MD_TEXTUAL@29..36
0: MD_TEXTUAL_LITERAL@29..36 " before" [] []
1: MD_TEXTUAL@36..37
0: MD_TEXTUAL_LITERAL@36..37 "\n" [] []
1: (empty)
1: MD_CONTINUATION_INDENT@37..39
0: MD_INDENT_TOKEN_LIST@37..39
0: MD_INDENT_TOKEN@37..38
0: MD_INDENT_CHAR@37..38 " " [] []
1: MD_INDENT_TOKEN@38..39
0: MD_INDENT_CHAR@38..39 " " [] []
2: MD_QUOTE@39..54
0: MD_QUOTE_PREFIX@39..41
0: MD_QUOTE_INDENT_LIST@39..39
1: R_ANGLE@39..40 ">" [] []
2: MD_QUOTE_POST_MARKER_SPACE@40..41 " " [] []
1: MD_BLOCK_LIST@41..54
0: MD_PARAGRAPH@41..54
0: MD_INLINE_ITEM_LIST@41..54
0: MD_TEXTUAL@41..53
0: MD_TEXTUAL_LITERAL@41..53 "single quote" [] []
1: MD_TEXTUAL@53..54
0: MD_TEXTUAL_LITERAL@53..54 "\n" [] []
1: (empty)
3: MD_NEWLINE@54..55
0: NEWLINE@54..55 "\n" [] []
1: MD_ORDERED_LIST_ITEM@55..84
0: MD_BULLET_LIST@55..84
0: MD_BULLET@55..84
0: MD_LIST_MARKER_PREFIX@55..57
0: MD_INDENT_TOKEN_LIST@55..55
1: MD_ORDERED_LIST_MARKER@55..57 "1." [] []
2: (empty)
3: MD_INDENT_TOKEN_LIST@57..57
1: MD_BLOCK_LIST@57..84
0: MD_PARAGRAPH@57..66
0: MD_INLINE_ITEM_LIST@57..66
0: MD_TEXTUAL@57..65
0: MD_TEXTUAL_LITERAL@57..65 " ordered" [] []
1: MD_TEXTUAL@65..66
0: MD_TEXTUAL_LITERAL@65..66 "\n" [] []
1: (empty)
1: MD_CONTINUATION_INDENT@66..69
0: MD_INDENT_TOKEN_LIST@66..69
0: MD_INDENT_TOKEN@66..67
0: MD_INDENT_CHAR@66..67 " " [] []
1: MD_INDENT_TOKEN@67..68
0: MD_INDENT_CHAR@67..68 " " [] []
2: MD_INDENT_TOKEN@68..69
0: MD_INDENT_CHAR@68..69 " " [] []
2: MD_QUOTE@69..84
0: MD_QUOTE_PREFIX@69..71
0: MD_QUOTE_INDENT_LIST@69..69
1: R_ANGLE@69..70 ">" [] []
2: MD_QUOTE_POST_MARKER_SPACE@70..71 " " [] []
1: MD_BLOCK_LIST@71..84
0: MD_PARAGRAPH@71..84
0: MD_INLINE_ITEM_LIST@71..84
0: MD_TEXTUAL@71..83
0: MD_TEXTUAL_LITERAL@71..83 "nested quote" [] []
1: MD_TEXTUAL@83..84
0: MD_TEXTUAL_LITERAL@83..84 "\n" [] []
1: (empty)
2: EOF@84..84 "" [] []

```
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