/
html5lib_tests.rs
877 lines (737 loc) · 35.8 KB
/
html5lib_tests.rs
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use std::{fs, mem::take, path::PathBuf};
use common::{document_span_visualizer, DomVisualizer};
use serde_json::Value;
use swc_atoms::{js_word, JsWord};
use swc_common::{
collections::AHashSet,
input::{SourceFileInput, StringInput},
BytePos,
};
use swc_html_ast::*;
use swc_html_parser::{
error::ErrorKind,
lexer::{Lexer, State},
parser::{input::ParserInput, PResult, Parser, ParserConfig},
};
use swc_html_visit::VisitMutWith;
use testing::NormalizedOutput;
#[path = "common/mod.rs"]
mod common;
#[testing::fixture("tests/html5lib-tests-fixture/**/*.html")]
fn span_visualizer(input: PathBuf) {
document_span_visualizer(
input,
ParserConfig {
..Default::default()
},
true,
)
}
fn unescape(s: &str) -> Option<String> {
let mut out = String::with_capacity(s.len());
let mut it = s.chars().peekable();
loop {
match it.next() {
None => return Some(out),
Some('\\') => {
if it.peek() != Some(&'u') {
panic!("can't understand escape");
}
let hex: String = it.by_ref().take(4).collect();
match u32::from_str_radix(&hex, 16).ok().and_then(char::from_u32) {
// TODO fix me surrogate paris
// Some of the tests use lone surrogates, but we have no
// way to represent them in the UTF-8 input to our parser.
// Since these can only come from script, we will catch
// them there.
None => return None,
Some(c) => out.push(c),
}
}
Some(c) => out.push(c),
}
}
}
// TODO we need to enable `preserve_order` for serde, but we can't https://github.com/tkaitchuck/aHash/issues/95, so we sort attributes
#[testing::fixture("tests/html5lib-tests/tokenizer/**/*.test")]
fn html5lib_test_tokenizer(input: PathBuf) {
let filename = input.to_str().expect("failed to parse path");
let contents = fs::read_to_string(filename).expect("Something went wrong reading the file");
let obj: Value = serde_json::from_str(&contents).expect("json parse error");
let tests = match obj.get(&"tests".to_string()) {
Some(&Value::Array(ref tests)) => tests,
_ => return,
};
for test in tests.iter() {
let description = test
.get("description")
.expect("failed to get input in test");
let states = if let Some(initial_states) = test.get("initialStates") {
let mut states = vec![];
let json_states: Vec<String> = serde_json::from_value(initial_states.clone())
.expect("failed to get input in test");
for json_state in json_states {
match &*json_state {
"Data state" => {
states.push(State::Data);
}
"PLAINTEXT state" => {
states.push(State::PlainText);
}
"RCDATA state" => {
states.push(State::Rcdata);
}
"RAWTEXT state" => {
states.push(State::Rawtext);
}
"Script data state" => {
states.push(State::ScriptData);
}
"CDATA section state" => {
states.push(State::CdataSection);
}
_ => {
unreachable!()
}
}
}
states
} else {
vec![State::Data]
};
for state in states.iter() {
eprintln!("==== ==== Description ==== ====\n{}\n", description);
let json_input = test["input"].clone();
let mut input: String =
serde_json::from_value(json_input).expect("failed to get input in test");
let need_double_escaped = test.get("doubleEscaped").is_some();
if need_double_escaped {
input = match unescape(&input) {
Some(unescaped) => unescaped,
_ => {
continue;
}
};
}
eprintln!("==== ==== Input ==== ====\n{}\n", input);
let json_output = test["output"].clone();
let output = json_output.to_string();
eprintln!("==== ==== Output ==== ====\n{}\n", output);
let lexer_str_input = StringInput::new(&input, BytePos(0), BytePos(input.len() as u32));
let mut lexer = Lexer::new(lexer_str_input);
lexer.set_input_state(state.clone());
if let Some(last_start_tag) = test.get("lastStartTag") {
let last_start_tag: String = serde_json::from_value(last_start_tag.clone())
.expect("failed to get lastStartTag in test");
lexer.set_last_start_tag_name(&last_start_tag);
}
let mut actual_tokens = vec![];
loop {
let token_and_span = lexer.next();
if token_and_span.is_none() {
break;
}
let mut new_token = token_and_span.unwrap().token.clone();
match new_token {
Token::Doctype { ref mut raw, .. } => {
*raw = None;
}
Token::StartTag {
ref mut raw_tag_name,
ref mut attributes,
..
} => {
*raw_tag_name = None;
let mut new_attributes = vec![];
let mut already_seen: AHashSet<JsWord> = Default::default();
for mut attribute in take(attributes) {
if already_seen.contains(&attribute.name) {
continue;
}
already_seen.insert(attribute.name.clone());
if attribute.value.is_none() {
attribute.value = Some("".into());
}
attribute.span = Default::default();
attribute.raw_name = None;
attribute.raw_value = None;
new_attributes.push(attribute);
}
new_attributes.sort_by(|a, b| a.name.partial_cmp(&b.name).unwrap());
*attributes = new_attributes;
}
Token::EndTag {
ref mut raw_tag_name,
ref mut attributes,
ref mut is_self_closing,
..
} => {
*raw_tag_name = None;
*is_self_closing = false;
*attributes = vec![];
}
Token::Character { ref mut raw, .. } => {
*raw = None;
}
Token::Comment { ref mut raw, .. } => {
*raw = js_word!("");
}
_ => {}
}
actual_tokens.push(new_token);
}
let mut expected_tokens: Vec<Token> = vec![];
if let Some(output_tokens) = json_output.as_array() {
for output_token in output_tokens {
match output_token {
Value::Array(token_parts) => {
let tokens = match token_parts[0].as_str().expect("failed") {
"DOCTYPE" => {
let name: Option<String> =
serde_json::from_value(token_parts[1].clone())
.expect("failed to deserialize");
let public_id: Option<String> =
serde_json::from_value(token_parts[2].clone())
.expect("failed to deserialize");
let system_id: Option<String> =
serde_json::from_value(token_parts[3].clone())
.expect("failed to deserialize");
let correctness: bool =
serde_json::from_value(token_parts[4].clone())
.expect("failed to deserialize");
vec![Token::Doctype {
name: name.map(|v| v.into()),
force_quirks: !correctness,
public_id: public_id.map(|v| v.into()),
system_id: system_id.map(|v| v.into()),
raw: None,
}]
}
"StartTag" => {
let tag_name: String =
serde_json::from_value(token_parts[1].clone())
.expect("failed to deserialize");
let mut attributes = vec![];
if let Some(json_attributes) = token_parts.get(2) {
let obj_attributes: Value =
serde_json::from_value(json_attributes.clone())
.expect("failed to deserialize");
match obj_attributes {
Value::Object(obj) => {
for key in obj.keys() {
let json_value = obj.get(key).expect(
"failed to get value for attribute",
);
let value: Option<String> =
serde_json::from_value(json_value.clone())
.expect("failed to deserialize");
attributes.push(AttributeToken {
span: Default::default(),
name: key.clone().into(),
raw_name: None,
value: value.map(|v| v.into()),
raw_value: None,
})
}
}
_ => {
unreachable!();
}
}
}
let mut is_self_closing = false;
if let Some(json_is_self_closing) = token_parts.get(3) {
let value: bool =
serde_json::from_value(json_is_self_closing.clone())
.expect("failed to deserialize");
is_self_closing = value;
}
attributes.sort_by(|a, b| a.name.partial_cmp(&b.name).unwrap());
vec![Token::StartTag {
tag_name: tag_name.into(),
raw_tag_name: None,
is_self_closing,
attributes,
}]
}
"EndTag" => {
let tag_name: String =
serde_json::from_value(token_parts[1].clone())
.expect("failed to deserialize");
vec![Token::EndTag {
tag_name: tag_name.into(),
raw_tag_name: None,
is_self_closing: false,
attributes: vec![],
}]
}
"Character" => {
let mut data: String =
serde_json::from_value(token_parts[1].clone())
.expect("failed to deserialize");
if need_double_escaped {
data = match unescape(&data) {
Some(v) => v,
_ => {
continue;
}
};
}
let mut tokens = vec![];
for c in data.chars() {
tokens.push(Token::Character {
value: c,
raw: None,
})
}
tokens
}
"Comment" => {
let mut data: String =
serde_json::from_value(token_parts[1].clone())
.expect("failed to deserialize");
if need_double_escaped {
data = match unescape(&data) {
Some(v) => v,
_ => {
continue;
}
};
}
vec![Token::Comment {
data: data.into(),
raw: js_word!(""),
}]
}
_ => {
unreachable!("unknown token {}", token_parts[0])
}
};
expected_tokens.extend(tokens);
}
_ => {
unreachable!();
}
}
}
}
let actual =
serde_json::to_string(&actual_tokens).expect("failed to serialize actual tokens");
let expected = serde_json::to_string(&expected_tokens)
.expect("failed to serialize expected tokens");
if let Some(json_errors) = test.get("errors") {
let expected_errors = json_errors.as_array().expect("failed to deserialize error");
let actual_errors = lexer.take_errors();
eprintln!("==== ==== Errors ==== ====\n{:?}\n", actual_errors);
assert_eq!(actual_errors.len(), expected_errors.len());
for expected_error in expected_errors.iter() {
let obj_expected_code =
expected_error.as_object().expect("failed to get error");
let expected_code = match obj_expected_code.get("code") {
Some(expected_code) => match expected_code.as_str() {
Some("eof-in-doctype") => ErrorKind::EofInDoctype,
Some("eof-in-comment") => ErrorKind::EofInComment,
Some("eof-in-cdata") => ErrorKind::EofInCdata,
Some("eof-in-tag") => ErrorKind::EofInTag,
Some("eof-before-tag-name") => ErrorKind::EofBeforeTagName,
Some("eof-in-script-html-comment-like-text") => {
ErrorKind::EofInScriptHtmlCommentLikeText
}
Some("unknown-named-character-reference") => {
ErrorKind::UnknownNamedCharacterReference
}
Some("incorrectly-opened-comment") => {
ErrorKind::IncorrectlyOpenedComment
}
Some("abrupt-closing-of-empty-comment") => {
ErrorKind::AbruptClosingOfEmptyComment
}
Some("abrupt-doctype-public-identifier") => {
ErrorKind::AbruptDoctypePublicIdentifier
}
Some("abrupt-doctype-system-identifier") => {
ErrorKind::AbruptDoctypeSystemIdentifier
}
Some("absence-of-digits-in-numeric-character-reference") => {
ErrorKind::AbsenceOfDigitsInNumericCharacterReference
}
Some("surrogate-character-reference") => {
ErrorKind::SurrogateCharacterReference
}
Some("nested-comment") => ErrorKind::NestedComment,
Some("end-tag-with-trailing-solidus") => {
ErrorKind::EndTagWithTrailingSolidus
}
Some("null-character-reference") => ErrorKind::NullCharacterReference,
Some("cdata-in-html-content") => ErrorKind::CdataInHtmlContent,
Some("character-reference-outside-unicode-range") => {
ErrorKind::CharacterReferenceOutsideUnicodeRange
}
Some("control-character-in-input-stream") => {
ErrorKind::ControlCharacterInInputStream
}
Some("control-character-reference") => {
ErrorKind::ControlCharacterReference
}
Some("noncharacter-in-input-stream") => {
ErrorKind::NoncharacterInInputStream
}
Some("noncharacter-character-reference") => {
ErrorKind::NoncharacterCharacterReference
}
Some("unexpected-equals-sign-before-attribute-name") => {
ErrorKind::UnexpectedEqualsSignBeforeAttributeName
}
Some("unexpected-question-mark-instead-of-tag-name") => {
ErrorKind::UnexpectedQuestionMarkInsteadOfTagName
}
Some("unexpected-character-after-doctype-system-identifier") => {
ErrorKind::UnexpectedCharacterAfterDoctypeSystemIdentifier
}
Some("unexpected-null-character") => ErrorKind::UnexpectedNullCharacter,
Some("unexpected-solidus-in-tag") => ErrorKind::UnexpectedSolidusInTag,
Some("unexpected-character-in-attribute-name") => {
ErrorKind::UnexpectedCharacterInAttributeName
}
Some("unexpected-character-in-unquoted-attribute-value") => {
ErrorKind::UnexpectedCharacterInUnquotedAttributeValue
}
Some("duplicate-attribute") => ErrorKind::DuplicateAttribute,
Some("end-tag-with-attributes") => ErrorKind::EndTagWithAttributes,
Some("missing-whitespace-before-doctype-name") => {
ErrorKind::MissingWhitespaceBeforeDoctypeName
}
Some("missing-attribute-value") => ErrorKind::MissingAttributeValue,
Some("missing-doctype-public-identifier") => {
ErrorKind::MissingDoctypePublicIdentifier
}
Some("missing-end-tag-name") => ErrorKind::MissingEndTagName,
Some("missing-doctype-name") => ErrorKind::MissingDoctypeName,
Some("missing-doctype-system-identifier") => {
ErrorKind::MissingDoctypeSystemIdentifier
}
Some("missing-whitespace-after-doctype-system-keyword") => {
ErrorKind::MissingWhitespaceAfterDoctypeSystemKeyword
}
Some("missing-whitespace-after-doctype-public-keyword") => {
ErrorKind::MissingWhitespaceAfterDoctypePublicKeyword
}
Some("missing-quote-before-doctype-public-identifier") => {
ErrorKind::MissingQuoteBeforeDoctypePublicIdentifier
}
Some("missing-quote-before-doctype-system-identifier") => {
ErrorKind::MissingQuoteBeforeDoctypeSystemIdentifier
}
Some("incorrectly-closed-comment") => {
ErrorKind::IncorrectlyClosedComment
}
Some("invalid-character-sequence-after-doctype-name") => {
ErrorKind::InvalidCharacterSequenceAfterDoctypeName
}
Some(
"missing-whitespace-between-doctype-public-and-system-identifiers",
) => {
ErrorKind::MissingWhitespaceBetweenDoctypePublicAndSystemIdentifiers
}
Some("missing-whitespace-between-attributes") => {
ErrorKind::MissingWhitespaceBetweenAttributes
}
Some("missing-semicolon-after-character-reference") => {
ErrorKind::MissingSemicolonAfterCharacterReference
}
Some("invalid-first-character-of-tag-name") => {
ErrorKind::InvalidFirstCharacterOfTagName
}
_ => {
unreachable!("unknown error {:?}", expected_code);
}
},
_ => {
unreachable!();
}
};
assert!(actual_errors
.iter()
.any(|error| *error.kind() == expected_code));
}
} else {
let errors = lexer.take_errors();
assert_eq!(errors.len(), 0);
}
assert_eq!(actual, expected);
}
}
}
enum TestState {
Data,
Document,
DocumentFragment,
Errors,
NewErrors,
}
enum DocumentOrDocumentFragment {
Document(PResult<Document>),
DocumentFragment(PResult<DocumentFragment>),
}
#[testing::fixture("tests/html5lib-tests/tree-construction/**/*.dat")]
#[testing::fixture("tests/html5lib-tests-fixture/**/*.html")]
fn html5lib_test_tree_construction(input: PathBuf) {
if input.extension().unwrap() == "dat" {
let mut tree_construction_base = None;
let mut tests_base = None;
let mut path_buf = input.to_path_buf();
while path_buf.pop() {
if path_buf.ends_with("tree-construction") {
tree_construction_base = Some(path_buf.clone());
}
if path_buf.ends_with("tests") {
tests_base = Some(path_buf.clone());
break;
}
}
let tree_construction_base = tree_construction_base.unwrap();
let relative_path_to_test = input
.strip_prefix(tree_construction_base)
.expect("failed to get relative filename")
.to_str()
.unwrap()
.replace(['/', '\\', '.'], "_");
let tests_base = tests_base.unwrap();
let dir = tests_base.join("html5lib-tests-fixture");
fs::create_dir_all(dir.clone()).expect("failed to create directory for fixtures");
let tests_file = fs::read_to_string(input).expect("Something went wrong reading the file");
let mut tests = tests_file.split("#data\n");
tests.next();
let mut counter = 0;
while let Some(test) = tests.next() {
let mut data: Vec<&str> = vec![];
let mut document: Vec<&str> = vec![];
let mut document_fragment: Vec<&str> = vec![];
let mut errors: Vec<&str> = vec![];
let mut new_errors: Vec<&str> = vec![];
let mut scripting_enabled = false;
let mut state = Some(TestState::Data);
let lines = test.lines();
for line in lines {
match line {
"#data" => {
state = Some(TestState::Data);
continue;
}
"#errors" => {
state = Some(TestState::Errors);
continue;
}
"#new-errors" => {
state = Some(TestState::NewErrors);
continue;
}
"#document" => {
state = Some(TestState::Document);
continue;
}
"#document-fragment" => {
state = Some(TestState::DocumentFragment);
continue;
}
"#script-on" => {
scripting_enabled = true;
state = None;
continue;
}
"#script-off" => {
scripting_enabled = false;
state = None;
continue;
}
_ => {}
}
match &state {
Some(TestState::Data) => {
data.push(line);
}
Some(TestState::Document) => {
document.push(line);
}
Some(TestState::DocumentFragment) => {
document_fragment.push(line);
}
Some(TestState::Errors) => {
errors.push(line);
}
Some(TestState::NewErrors) => {
new_errors.push(line);
}
_ => {
unreachable!();
}
}
}
let mut file_stem = relative_path_to_test.to_string();
file_stem.push('.');
file_stem.push_str(&counter.to_string());
// TODO workaround, fix - https://github.com/html5lib/html5lib-tests/pull/151
let need_skip_fragment = relative_path_to_test.contains("template_dat")
&& matches!(counter, 109 | 110 | 111);
if !need_skip_fragment {
if !document_fragment.is_empty() {
file_stem += ".fragment_";
file_stem += &document_fragment.join("").replace(' ', "_");
}
}
if scripting_enabled {
file_stem += ".script_on";
}
let mut html_path = dir.clone();
html_path.push(file_stem.clone() + ".html");
fs::write(html_path, data.join("\n"))
.expect("Something went wrong when writing to the file {:?}");
let mut dom_snapshot_path = dir.clone();
dom_snapshot_path.push(file_stem.clone() + ".dom.rust-debug");
let mut dom = document.join("\n");
if !dom.ends_with('\n') {
dom.push('\n');
}
fs::write(dom_snapshot_path, dom)
.expect("Something went wrong when writing to the file");
let errors = errors.join("\n");
let mut errors_snapshot_path = dir.clone();
errors_snapshot_path.push(file_stem.clone() + ".output.stderr");
fs::write(errors_snapshot_path, errors)
.expect("Something went wrong when writing to the file");
counter += 1;
}
return;
}
testing::run_test2(false, |cm, handler| {
// Type annotation
if false {
return Ok(());
}
let fm = cm.load_file(&input).unwrap();
let file_name = input.file_name().unwrap().to_string_lossy();
let scripting_enabled = file_name.contains("script_on");
let lexer = Lexer::new(SourceFileInput::from(&*fm));
let config = ParserConfig {
scripting_enabled,
iframe_srcdoc: false,
};
let mut parser = Parser::new(lexer, config);
let document_or_document_fragment = if file_name.contains("fragment") {
let mut context_element_namespace = Namespace::HTML;
let mut context_element_tag_name = "unknown";
let mut splitted = file_name.split('.');
let index = splitted.clone().count() - 2;
let context_element = splitted
.nth(index)
.expect("failed to get context element from filename")
.replace("fragment_", "");
if context_element.contains('_') {
let mut splited = context_element.split('_');
if let Some(namespace) = splited.next() {
context_element_namespace = match namespace {
"math" => Namespace::MATHML,
"svg" => Namespace::SVG,
_ => {
unreachable!();
}
};
}
if let Some(tag_name) = splited.next() {
context_element_tag_name = tag_name;
}
} else {
context_element_tag_name = &context_element;
}
let context_element = Element {
span: Default::default(),
namespace: context_element_namespace,
tag_name: context_element_tag_name.into(),
attributes: vec![],
is_self_closing: false,
children: vec![],
content: None,
};
DocumentOrDocumentFragment::DocumentFragment(parser.parse_document_fragment(
context_element,
DocumentMode::NoQuirks,
None,
))
} else {
DocumentOrDocumentFragment::Document(parser.parse_document())
};
// `scripted` for browser tests with JS
// `search` proposed, but not merged in spec
let need_skip_tests = file_name.contains("scripted") || file_name.contains("search");
if !need_skip_tests {
let errors = parser.take_errors();
let errors_path = input.with_extension("output.stderr");
let contents =
fs::read_to_string(errors_path).expect("Something went wrong reading the file");
// TODO bug in tests - https://github.com/html5lib/html5lib-tests/issues/138
let actual_number_of_errors = if file_name.contains("tests19_dat.84") {
errors.len() + 1
} else if file_name.contains("math_dat.5.fragment_tbody")
|| file_name.contains("math_dat.6.fragment_tbody")
|| file_name.contains("math_dat.7.fragment_tbody")
|| file_name.contains("svg_dat.5.fragment_tbody")
|| file_name.contains("svg_dat.6.fragment_tbody")
|| file_name.contains("svg_dat.7.fragment_tbody")
|| file_name.contains("foreign-fragment_dat.3.fragment_svg_path")
{
errors.len() - 1
} else {
errors.len()
};
let expected_number_of_errors = contents.lines().count();
assert_eq!(actual_number_of_errors, expected_number_of_errors);
}
let json_path = input.with_extension("output.json");
match document_or_document_fragment {
DocumentOrDocumentFragment::Document(Ok(mut document)) => {
let actual_json = serde_json::to_string_pretty(&document)
.map(NormalizedOutput::from)
.expect("failed to serialize document");
actual_json.compare_to_file(&json_path).unwrap();
if file_name.contains("scripted") || file_name.contains("search") {
return Ok(());
}
let mut dom_buf = String::new();
document.visit_mut_with(&mut DomVisualizer {
dom_buf: &mut dom_buf,
indent: 0,
});
NormalizedOutput::from(dom_buf)
.compare_to_file(&input.with_extension("dom.rust-debug"))
.unwrap();
Ok(())
}
DocumentOrDocumentFragment::DocumentFragment(Ok(mut document_fragment)) => {
let actual_json = serde_json::to_string_pretty(&document_fragment)
.map(NormalizedOutput::from)
.expect("failed to serialize document");
actual_json.compare_to_file(&json_path).unwrap();
if need_skip_tests {
return Ok(());
}
let mut dom_buf = String::new();
document_fragment.visit_mut_with(&mut DomVisualizer {
dom_buf: &mut dom_buf,
indent: 0,
});
NormalizedOutput::from(dom_buf)
.compare_to_file(&input.with_extension("dom.rust-debug"))
.unwrap();
Ok(())
}
DocumentOrDocumentFragment::Document(Err(err))
| DocumentOrDocumentFragment::DocumentFragment(Err(err)) => {
let mut d = err.to_diagnostics(&handler);
d.note(&format!("current token = {}", parser.dump_cur()));
d.emit();
panic!();
}
}
})
.unwrap();
}