use alloc::vec::Vec;
use vize_l0::{Allocator, SourceRoot, Span, String};
use super::{DocumentHtmlElement, DocumentHtmlNode, NativeDocument, Refusal};
mod custody;
const CORPUS: &str = include_str!("../../../../../tests/fixtures/document/html-body-nodes.json");
fn envelope(body: &str) -> String {
let mut source = String::from("<!DOCTYPE html><html><head></head><body>");
source.push_str(body);
source.push_str("</body></html>");
source
}
fn children(element: &DocumentHtmlElement<'_, '_, '_>) -> Vec<(u8, String)> {
element
.child_nodes()
.expect("genuine body child admission")
.map(|node| match node.expect("complete original child cursor") {
DocumentHtmlNode::Element(child) => (1, String::from(child.name())),
DocumentHtmlNode::Text(text) => (3, text.characters().collect()),
DocumentHtmlNode::Comment(comment) => (8, comment.characters().collect()),
})
.collect()
}
#[test]
fn every_original_body_node_matches_the_whole_actual_chromium_census() {
let corpus: serde_json::Value = serde_json::from_str(CORPUS).expect("whole original sources");
let cases = corpus.as_array().expect("original census");
assert_eq!(cases.len(), 15);
assert_eq!(
cases
.iter()
.filter(|case| case["bodyNodeRefusal"] == true)
.count(),
3
);
for case in cases {
let name = case["name"].as_str().expect("original case name");
let source = case["source"].as_str().expect("whole original HTML");
let arena = Allocator::default();
let owner = NativeDocument::lex_in(&arena, SourceRoot::new(source).unwrap());
let tree = owner.html_structure().expect(name);
let refusal = case["bodyNodeRefusal"] == true;
let actual: Vec<_> = tree
.elements()
.filter(|element| {
matches!(
element.name(),
"body" | "div" | "span" | "br" | "hr" | "img" | "input"
)
})
.filter_map(|element| {
if refusal && element.name() == "body" {
assert!(
matches!(element.child_nodes(), Err(Refusal::OutsideBodyText(_))),
"{name}"
);
None
} else {
Some((String::from(element.name()), children(&element)))
}
})
.collect();
let expected = if refusal {
serde_json::Value::Array(
case["nodes"]
.as_array()
.unwrap()
.iter()
.skip(1)
.cloned()
.collect(),
)
} else {
case["nodes"].clone()
};
assert_eq!(serde_json::to_value(actual).unwrap(), expected, "{name}");
assert!(core::ptr::eq(owner.source(), source));
}
}
#[test]
fn unsupported_comment_frames_vue_and_general_tree_policies_keep_typed_refusals() {
for body in ["<!-->", "<!--->", "<!--a<!--b-->", "<!--a--!>"] {
let source = envelope(body);
let arena = Allocator::default();
let owner = NativeDocument::lex_in(&arena, SourceRoot::new(&source).unwrap());
assert!(owner.tokens().count() > 0);
assert!(
matches!(
owner.html_structure(),
Err(Refusal::Lexical(_)) | Err(Refusal::NonHtmlToken)
),
"{body}"
);
}
for body in ["{{ x }}", "<div v-scope=state></div>"] {
let source = envelope(body);
let arena = Allocator::default();
let owner = NativeDocument::lex_in(&arena, SourceRoot::new(&source).unwrap());
assert_eq!(owner.html_structure().unwrap_err(), Refusal::VueSyntax);
}
for (body, refusal) in [
("<p>x</div>", Refusal::ImpliedEnd(Span::new(46, 49))),
("<table>x</table>", Refusal::TableText(Span::new(47, 48))),
] {
let source = envelope(body);
let arena = Allocator::default();
let owner = NativeDocument::lex_in(&arena, SourceRoot::new(&source).unwrap());
assert_eq!(owner.html_structure().unwrap_err(), refusal, "{body}");
}
}
#[test]
fn outer_insertion_modes_refuse_nodes_without_rejecting_existing_ancestry() {
let source = "<!DOCTYPE html><html><head></head><body><div>x</div></body> </html>\n";
let arena = Allocator::default();
let owner = NativeDocument::lex_in(&arena, SourceRoot::new(source).unwrap());
let tree = owner
.html_structure()
.expect("existing ancestry still admitted");
for element in tree
.elements()
.filter(|element| matches!(element.name(), "html" | "head"))
{
assert_eq!(
element.child_nodes().unwrap_err(),
Refusal::UnsupportedNodeParent(element.opening_span())
);
}
let body = tree
.elements()
.find(|element| element.name() == "body")
.unwrap();
let Err(Refusal::OutsideBodyText(span)) = body.child_nodes() else {
panic!("original tail refusal")
};
assert_eq!(span.slice(source), " ");
let div = tree
.elements()
.find(|element| element.name() == "div")
.unwrap();
assert_eq!(children(&div), [(3, String::from("x"))]);
assert_eq!(
body.children().next().unwrap().opening_span(),
div.opening_span()
);
}
#[test]
fn real_nested_callback_workload_reads_only_direct_nodes_and_original_scalar_payloads() {
let mut body = String::from("left<div>start");
for _ in 0..32 {
body.push_str("<span>");
}
for _ in 0..512 {
body.push_str("≂̸ \r\n&amp;");
}
for _ in 0..32 {
body.push_str("</span>");
}
body.push_str("end</div><br>right");
let source = envelope(&body);
let arena = Allocator::default();
let owner = NativeDocument::lex_in(&arena, SourceRoot::new(&source).unwrap());
let tree = owner.html_structure().unwrap();
let body = tree
.elements()
.find(|element| element.name() == "body")
.unwrap();
let div = tree
.elements()
.find(|element| element.name() == "div")
.unwrap();
let deepest = tree.elements().last().unwrap();
assert_eq!(deepest.name(), "br");
let inner = tree
.elements()
.filter(|element| element.name() == "span")
.last()
.unwrap();
let before = arena.allocated_bytes();
for _ in 0..3 {
assert_eq!(
children(&body),
[
(3, String::from("left")),
(1, String::from("div")),
(1, String::from("br")),
(3, String::from("right"))
]
);
assert_eq!(
children(&div),
[
(3, String::from("start")),
(1, String::from("span")),
(3, String::from("end"))
]
);
let DocumentHtmlNode::Text(text) = inner.child_nodes().unwrap().next().unwrap().unwrap()
else {
panic!("original inner text")
};
let expected = "≂\u{338}\r\n&";
assert_eq!(text.characters().count(), expected.chars().count() * 512);
assert!(
text.characters().eq(expected
.chars()
.cycle()
.take(expected.chars().count() * 512))
);
assert!(
text.tokens()
.all(|token| core::ptr::eq(token.owner(), &owner))
);
}
assert_eq!(arena.allocated_bytes(), before);
}