test: use tree-sitter test fixtures

[HenriqueLimas]

No description provided.

[coderabbitai]

Wait, I see I have duplicates and missed some ranges. Let me recount and ensure each range appears exactly once.

I realize I still have duplicates and missing ranges. Let me count all ranges carefully and produce the final clean output.

Walkthrough

The PR removes the Mocha-based test infrastructure (five files: fixtures.test.mts, compare.mts, events.mts, htmljs.mts, and tree-events.mts, totalling ~1,180 deleted lines) and replaces it with the tree-sitter test runner. In package.json, the mocha and @types/mocha devDependencies are removed, and the test script is changed from a Mocha command to tree-sitter test. Alongside this, approximately 60 new corpus fixture files are added under test/corpus/, each defining named input snippets and their expected S-expression parse-tree outputs. The fixtures cover the full grammar surface: basic tags, attributes, shorthand class/id, concise mode, placeholders, script/scriptlet content, HTML/XML/CSS/TypeScript constructs, whitespace, multiline blocks, error recovery, and EOF edge cases.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	No description was provided by the author, making it impossible to evaluate relevance to the changeset.	Add a description explaining the purpose of migrating from Mocha tests to tree-sitter test fixtures.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes the main change: replacing Mocha-based tests with tree-sitter test fixtures throughout the codebase.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

[coderabbitai]

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)

test/corpus/concise_comment_fixtures.txt (1)

1-64: ⚠️ Potential issue | 🟡 Minor | ⚡ Quick win

Standardize fixture naming pattern in concise_comment_fixtures.txt and concise_script_fixtures.txt to match peer files.

Both files deviate from the consistent "Fixture (htmljs target)" header format used throughout the rest of the corpus suite. The inconsistency affects maintainability and clarity.

• test/corpus/concise_comment_fixtures.txt#L1-L64: Replace all three fixture headers with the standard "Fixture (htmljs target)" format (lines 2, 22, and 43 headers).
• test/corpus/concise_script_fixtures.txt#L1-L62: Replace both fixture headers with the standard format (lines 2 and 34 headers).

For example:

• Line 2 should read: Fixture concise-line-comment-before-fence-text (htmljs target)
• Line 22 should read: Fixture concise-block-comment-trailing-text-invalid (htmljs target)
• Line 43 should read: Fixture concise-block-comment-before-fence-text (htmljs target)

And in concise_script_fixtures.txt:

• Line 2 should read: Fixture script-concise-fenced-body-and-line-continuation (htmljs target)
• Line 34 should read: Fixture script-concise-forms-and-script-src-attr (htmljs target)

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@test/corpus/concise_comment_fixtures.txt` around lines 1 - 64, Standardize
the fixture header naming pattern across both test corpus files to match the
consistent "Fixture <descriptive-name> (htmljs target)" format used in peer
files. In test/corpus/concise_comment_fixtures.txt (lines 1-64), replace the
three fixture headers at lines 2, 22, and 43 with "Fixture
concise-line-comment-before-fence-text (htmljs target)", "Fixture
concise-block-comment-trailing-text-invalid (htmljs target)", and "Fixture
concise-block-comment-before-fence-text (htmljs target)" respectively. In
test/corpus/concise_script_fixtures.txt (lines 1-62), replace the two fixture
headers at lines 2 and 34 with "Fixture
script-concise-fenced-body-and-line-continuation (htmljs target)" and "Fixture
script-concise-forms-and-script-src-attr (htmljs target)" respectively.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Outside diff comments:
In `@test/corpus/concise_comment_fixtures.txt`:
- Around line 1-64: Standardize the fixture header naming pattern across both
test corpus files to match the consistent "Fixture <descriptive-name> (htmljs
target)" format used in peer files. In test/corpus/concise_comment_fixtures.txt
(lines 1-64), replace the three fixture headers at lines 2, 22, and 43 with
"Fixture concise-line-comment-before-fence-text (htmljs target)", "Fixture
concise-block-comment-trailing-text-invalid (htmljs target)", and "Fixture
concise-block-comment-before-fence-text (htmljs target)" respectively. In
test/corpus/concise_script_fixtures.txt (lines 1-62), replace the two fixture
headers at lines 2 and 34 with "Fixture
script-concise-fenced-body-and-line-continuation (htmljs target)" and "Fixture
script-concise-forms-and-script-src-attr (htmljs target)" respectively.

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 0d7cc8c4-5075-4148-a229-0e497eea9695

📥 Commits

Reviewing files that changed from the base of the PR and between 1389646 and ac5775f.

⛔ Files ignored due to path filters (1)

• package-lock.json is excluded by !**/package-lock.json and included by **

📒 Files selected for processing (83)

• __tests__/fixtures.test.mts
• __tests__/util/compare.mts
• __tests__/util/events.mts
• __tests__/util/htmljs.mts
• __tests__/util/tree-events.mts
• package.json
• test/corpus/argument_tag_fixtures.txt
• test/corpus/attr_fixtures.txt
• test/corpus/attribute_error_fixtures.txt
• test/corpus/attribute_expressions.txt
• test/corpus/attribute_group_fixtures.txt
• test/corpus/attribute_methods.txt
• test/corpus/attribute_spread_fixtures.txt
• test/corpus/attribute_value_fixtures.txt
• test/corpus/backtick_fixtures.txt
• test/corpus/bad_fixtures.txt
• test/corpus/cdata_and_doctype_fixtures.txt
• test/corpus/coma_fixtures.txt
• test/corpus/comma_attribute_fixtures.txt
• test/corpus/comma_fixtures.txt
• test/corpus/commas_fixtures.txt
• test/corpus/comments_and_edges.txt
• test/corpus/comments_fixtures.txt
• test/corpus/complex_fixtures.txt
• test/corpus/concise_comment_fixtures.txt
• test/corpus/concise_fixtures.txt
• test/corpus/concise_mode.txt
• test/corpus/concise_script_fixtures.txt
• test/corpus/core_syntax_regressions.txt
• test/corpus/css_fixtures.txt
• test/corpus/default_fixtures.txt
• test/corpus/double_hyphen_fixtures.txt
• test/corpus/dtd_fixtures.txt
• test/corpus/empty_fixtures.txt
• test/corpus/eof_fixtures.txt
• test/corpus/eof_open_tag_fixtures.txt
• test/corpus/html_fixtures.txt
• test/corpus/html_mode.txt
• test/corpus/ignoreNonstandardStringPlaceholders_fixtures.txt
• test/corpus/ignorePlaceholders_fixtures.txt
• test/corpus/invalid_fixtures.txt
• test/corpus/marko6_forms.txt
• test/corpus/marko_tags.txt
• test/corpus/mixed_fixtures.txt
• test/corpus/multi_fixtures.txt
• test/corpus/multiline_fixtures.txt
• test/corpus/multiple_fixtures.txt
• test/corpus/nested_fixtures.txt
• test/corpus/open_fixtures.txt
• test/corpus/open_tag_comment_fixtures.txt
• test/corpus/param_fixtures.txt
• test/corpus/parsed_fixtures.txt
• test/corpus/pending_regressions.txt
• test/corpus/placeholder_edge_fixtures.txt
• test/corpus/placeholder_eof_fixtures.txt
• test/corpus/placeholder_fixtures.txt
• test/corpus/raw_text_edge_fixtures.txt
• test/corpus/root_fixtures.txt
• test/corpus/script_fixtures.txt
• test/corpus/scriptlet_fixtures.txt
• test/corpus/self_fixtures.txt
• test/corpus/semicolon_fixtures.txt
• test/corpus/shorthand_fixtures.txt
• test/corpus/shorthand_id_class_fixtures.txt
• test/corpus/simple_fixtures.txt
• test/corpus/single_fixtures.txt
• test/corpus/statement_fixtures.txt
• test/corpus/stray_fixtures.txt
• test/corpus/strip_fixtures.txt
• test/corpus/tag_default_value_fixtures.txt
• test/corpus/tag_fixtures.txt
• test/corpus/text_fixtures.txt
• test/corpus/textarea_fixtures.txt
• test/corpus/top_level.txt
• test/corpus/ts_fixtures.txt
• test/corpus/unary_fixtures.txt
• test/corpus/unclosed_fixtures.txt
• test/corpus/var_fixtures.txt
• test/corpus/void_fixtures.txt
• test/corpus/void_tag_fixtures.txt
• test/corpus/whitespace_fixtures.txt
• test/corpus/xml_declaration_fixtures.txt
• test/corpus/xml_fixtures.txt

💤 Files with no reviewable changes (5)

• tests/util/compare.mts
• tests/util/events.mts
• tests/fixtures.test.mts
• tests/util/htmljs.mts
• tests/util/tree-events.mts