swc/crates/swc_html_codegen/tests/fixture.rs
2022-06-25 05:33:22 +00:00

697 lines
19 KiB
Rust

#![allow(clippy::needless_update)]
use std::{
mem::take,
path::{Path, PathBuf},
};
use swc_common::{FileName, Span};
use swc_html_ast::*;
use swc_html_codegen::{
writer::basic::{BasicHtmlWriter, BasicHtmlWriterConfig, IndentType, LineFeed},
CodeGenerator, CodegenConfig, Emit,
};
use swc_html_parser::{
parse_file_as_document, parse_file_as_document_fragment, parser::ParserConfig,
};
use swc_html_visit::{VisitMut, VisitMutWith};
use testing::{assert_eq, run_test2, NormalizedOutput};
fn print_document(
input: &Path,
parser_config: Option<ParserConfig>,
writer_config: Option<BasicHtmlWriterConfig>,
codegen_config: Option<CodegenConfig>,
) {
let dir = input.parent().unwrap();
let parser_config = match parser_config {
Some(parser_config) => parser_config,
_ => ParserConfig::default(),
};
let writer_config = match writer_config {
Some(writer_config) => writer_config,
_ => BasicHtmlWriterConfig::default(),
};
let codegen_config = match codegen_config {
Some(codegen_config) => codegen_config,
_ => CodegenConfig::default(),
};
let output = if codegen_config.minify {
dir.join(format!(
"output.min.{}",
input.extension().unwrap().to_string_lossy()
))
} else {
dir.join(format!(
"output.{}",
input.extension().unwrap().to_string_lossy()
))
};
run_test2(false, |cm, handler| {
let fm = cm.load_file(input).unwrap();
let mut errors = vec![];
let mut document: Document =
parse_file_as_document(&fm, parser_config, &mut errors).unwrap();
for err in take(&mut errors) {
err.to_diagnostics(&handler).emit();
}
let mut html_str = String::new();
let wr = BasicHtmlWriter::new(&mut html_str, None, writer_config);
let mut gen = CodeGenerator::new(wr, codegen_config);
gen.emit(&document).unwrap();
let fm_output = cm.load_file(&output).unwrap();
NormalizedOutput::new_raw(html_str)
.compare_to_file(output)
.unwrap();
let mut errors = vec![];
let mut document_parsed_again =
parse_file_as_document(&fm_output, parser_config, &mut errors).map_err(|err| {
err.to_diagnostics(&handler).emit();
})?;
for error in take(&mut errors) {
error.to_diagnostics(&handler).emit();
}
document.visit_mut_with(&mut DropSpan);
document_parsed_again.visit_mut_with(&mut DropSpan);
assert_eq!(document, document_parsed_again);
Ok(())
})
.unwrap();
}
fn print_document_fragment(
input: &Path,
context_element: Element,
parser_config: Option<ParserConfig>,
writer_config: Option<BasicHtmlWriterConfig>,
codegen_config: Option<CodegenConfig>,
) {
let dir = input.parent().unwrap();
let parser_config = match parser_config {
Some(parser_config) => parser_config,
_ => ParserConfig::default(),
};
let writer_config = match writer_config {
Some(writer_config) => writer_config,
_ => BasicHtmlWriterConfig::default(),
};
let codegen_config = match codegen_config {
Some(codegen_config) => codegen_config,
_ => CodegenConfig::default(),
};
let output = if codegen_config.minify {
dir.join(format!(
"output.min.{}",
input.extension().unwrap().to_string_lossy()
))
} else {
dir.join(format!(
"output.{}",
input.extension().unwrap().to_string_lossy()
))
};
run_test2(false, |cm, handler| {
let fm = cm.load_file(input).unwrap();
let mut errors = vec![];
let mut document_fragment = parse_file_as_document_fragment(
&fm,
&context_element,
DocumentMode::NoQuirks,
None,
parser_config,
&mut errors,
)
.unwrap();
for err in take(&mut errors) {
err.to_diagnostics(&handler).emit();
}
let mut html_str = String::new();
let wr = BasicHtmlWriter::new(&mut html_str, None, writer_config);
let mut gen = CodeGenerator::new(wr, codegen_config);
gen.emit(&document_fragment).unwrap();
let fm_output = cm.load_file(&output).unwrap();
NormalizedOutput::new_raw(html_str)
.compare_to_file(output)
.unwrap();
let mut errors = vec![];
let mut document_fragment_parsed_again = parse_file_as_document_fragment(
&fm_output,
&context_element,
DocumentMode::NoQuirks,
None,
parser_config,
&mut errors,
)
.map_err(|err| {
err.to_diagnostics(&handler).emit();
})?;
for error in take(&mut errors) {
error.to_diagnostics(&handler).emit();
}
document_fragment.visit_mut_with(&mut DropSpan);
document_fragment_parsed_again.visit_mut_with(&mut DropSpan);
assert_eq!(document_fragment, document_fragment_parsed_again);
Ok(())
})
.unwrap();
}
fn verify_document(
input: &Path,
parser_config: Option<ParserConfig>,
writer_config: Option<BasicHtmlWriterConfig>,
codegen_config: Option<CodegenConfig>,
ignore_errors: bool,
) {
let parser_config = match parser_config {
Some(parser_config) => parser_config,
_ => ParserConfig::default(),
};
let writer_config = match writer_config {
Some(writer_config) => writer_config,
_ => BasicHtmlWriterConfig::default(),
};
let codegen_config = match codegen_config {
Some(codegen_config) => codegen_config,
_ => CodegenConfig::default(),
};
testing::run_test2(false, |cm, handler| {
let fm = cm.load_file(input).unwrap();
let mut errors = vec![];
let mut document =
parse_file_as_document(&fm, parser_config, &mut errors).map_err(|err| {
err.to_diagnostics(&handler).emit();
})?;
if !ignore_errors {
for err in take(&mut errors) {
err.to_diagnostics(&handler).emit();
}
}
let mut html_str = String::new();
let wr = BasicHtmlWriter::new(&mut html_str, None, writer_config);
let mut gen = CodeGenerator::new(wr, codegen_config);
gen.emit(&document).unwrap();
let new_fm = cm.new_source_file(FileName::Anon, html_str);
let mut parsed_errors = vec![];
let mut document_parsed_again =
parse_file_as_document(&new_fm, parser_config, &mut parsed_errors).map_err(|err| {
err.to_diagnostics(&handler).emit();
})?;
if !ignore_errors {
for err in parsed_errors {
err.to_diagnostics(&handler).emit();
}
}
document.visit_mut_with(&mut DropSpan);
document_parsed_again.visit_mut_with(&mut DropSpan);
assert_eq!(document, document_parsed_again);
Ok(())
})
.unwrap();
}
fn verify_document_fragment(
input: &Path,
context_element: Element,
parser_config: Option<ParserConfig>,
writer_config: Option<BasicHtmlWriterConfig>,
codegen_config: Option<CodegenConfig>,
ignore_errors: bool,
) {
let parser_config = match parser_config {
Some(parser_config) => parser_config,
_ => ParserConfig::default(),
};
let writer_config = match writer_config {
Some(writer_config) => writer_config,
_ => BasicHtmlWriterConfig::default(),
};
let mut codegen_config = match codegen_config {
Some(codegen_config) => codegen_config,
_ => CodegenConfig::default(),
};
codegen_config.context_element = Some(&context_element);
testing::run_test2(false, |cm, handler| {
let fm = cm.load_file(input).unwrap();
let mut errors = vec![];
let mut document_fragment = parse_file_as_document_fragment(
&fm,
&context_element,
DocumentMode::NoQuirks,
None,
parser_config,
&mut errors,
)
.map_err(|err| {
err.to_diagnostics(&handler).emit();
})?;
if !ignore_errors {
for err in take(&mut errors) {
err.to_diagnostics(&handler).emit();
}
}
let mut html_str = String::new();
let wr = BasicHtmlWriter::new(&mut html_str, None, writer_config);
let mut gen = CodeGenerator::new(wr, codegen_config);
gen.emit(&document_fragment).unwrap();
let new_fm = cm.new_source_file(FileName::Anon, html_str);
let mut parsed_errors = vec![];
let mut document_fragment_parsed_again = parse_file_as_document_fragment(
&new_fm,
&context_element,
DocumentMode::NoQuirks,
None,
parser_config,
&mut parsed_errors,
)
.map_err(|err| {
err.to_diagnostics(&handler).emit();
})?;
if !ignore_errors {
for err in parsed_errors {
err.to_diagnostics(&handler).emit();
}
}
document_fragment.visit_mut_with(&mut DropSpan);
document_fragment_parsed_again.visit_mut_with(&mut DropSpan);
assert_eq!(document_fragment, document_fragment_parsed_again);
Ok(())
})
.unwrap();
}
struct DropSpan;
impl VisitMut for DropSpan {
fn visit_mut_element(&mut self, n: &mut Element) {
n.visit_mut_children_with(self);
// In normal output we respect `is_self_closing`
// In minified output we always avoid end tag for SVG and MathML namespace
n.is_self_closing = Default::default();
}
fn visit_mut_span(&mut self, n: &mut Span) {
*n = Default::default()
}
}
#[testing::fixture("tests/fixture/**/input.html")]
fn test_document(input: PathBuf) {
print_document(
&input,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: false,
..Default::default()
}),
);
print_document(
&input,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: true,
..Default::default()
}),
);
}
#[testing::fixture("tests/document_fragment/**/input.html")]
fn test_document_fragment(input: PathBuf) {
let context_element = Element {
span: Default::default(),
tag_name: "template".into(),
namespace: Namespace::HTML,
attributes: vec![],
is_self_closing: false,
children: vec![],
content: None,
};
print_document_fragment(
&input,
context_element.clone(),
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: false,
..Default::default()
}),
);
print_document_fragment(
&input,
context_element,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: true,
..Default::default()
}),
);
}
#[testing::fixture("tests/options/self_closing_void_elements/true/**/input.html")]
fn test_self_closing_void_elements_true(input: PathBuf) {
print_document(
&input,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: false,
tag_omission: Some(false),
self_closing_void_elements: Some(true),
..Default::default()
}),
);
}
#[testing::fixture("tests/options/self_closing_void_elements/false/**/input.html")]
fn test_self_closing_void_elements_false(input: PathBuf) {
print_document(
&input,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: false,
self_closing_void_elements: Some(false),
..Default::default()
}),
);
}
#[testing::fixture("tests/options/indent_type/**/input.html")]
fn test_indent_type_option(input: PathBuf) {
print_document(
&input,
None,
Some(BasicHtmlWriterConfig {
indent_type: IndentType::Tab,
indent_width: 2,
linefeed: LineFeed::default(),
}),
None,
);
}
#[testing::fixture("../swc_html_parser/tests/fixture/**/*.html")]
fn parser_verify(input: PathBuf) {
verify_document(&input, None, None, None, false);
verify_document(
&input,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: true,
tag_omission: Some(false),
..Default::default()
}),
false,
);
verify_document(
&input,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: true,
tag_omission: Some(true),
..Default::default()
}),
false,
);
}
#[testing::fixture(
"../swc_html_parser/tests/recovery/**/*.html",
exclude(
"document_type/bogus/input.html",
"document_type/wrong-name/input.html",
"text/cr-charref-novalid/input.html",
"element/foreign-context/input.html",
"element/a-4/input.html",
"element/b-3/input.html",
)
)]
fn parser_recovery_verify(input: PathBuf) {
verify_document(
&input,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: true,
tag_omission: Some(false),
..Default::default()
}),
true,
);
verify_document(
&input,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: true,
tag_omission: Some(true),
..Default::default()
}),
true,
);
}
// Tag omission only works for valid HTML documents (i.e. without errors)
static IGNORE_TAG_OMISSION: &[&str] = &[
"adoption01_dat/5/input.html",
"adoption01_dat/6/input.html",
"adoption01_dat/7/input.html",
"adoption01_dat/8/input.html",
"adoption02_dat/0/input.html",
"tests1_dat/68/input.html",
"tests1_dat/69/input.html",
"tests1_dat/70/input.html",
"tests1_dat/71/input.html",
"tests15_dat/0/input.html",
"tests15_dat/1/input.html",
"template_dat/68/input.html",
"tricky01_dat/6/input.html",
];
#[testing::fixture(
"../swc_html_parser/tests/html5lib-tests-fixture/**/*.html",
exclude(
"tests1_dat/30/input.html",
"tests1_dat/77/input.html",
"tests1_dat/90/input.html",
"tests1_dat/103/input.html",
"tests2_dat/12/input.html",
"tests16_dat/31/input.html",
"tests16_dat/32/input.html",
"tests16_dat/33/input.html",
"tests16_dat/34/input.html",
"tests16_dat/35/input.html",
"tests16_dat/36/input.html",
"tests16_dat/37/input.html",
"tests16_dat/48/input.html",
"tests16_dat/49/input.html",
"tests16_dat/50/input.html",
"tests16_dat/51/input.html",
"tests16_dat/52/input.html",
"tests16_dat/53/input.html",
"tests16_dat/130/input.html",
"tests16_dat/131/input.html",
"tests16_dat/132/input.html",
"tests16_dat/133/input.html",
"tests16_dat/134/input.html",
"tests16_dat/135/input.html",
"tests16_dat/136/input.html",
"tests16_dat/147/input.html",
"tests16_dat/148/input.html",
"tests16_dat/149/input.html",
"tests16_dat/150/input.html",
"tests16_dat/196/input.html",
"tests18_dat/7/input.html",
"tests18_dat/8/input.html",
"tests18_dat/9/input.html",
"tests18_dat/12/input.html",
"tests18_dat/21/input.html",
"tests19_dat/103/input.html",
"tests20_dat/41/input.html",
"tests26_dat/2/input.html",
"plain-text-unsafe_dat/0/input.html",
"template_dat/107/input.html",
)
)]
fn html5lib_tests_verify(input: PathBuf) {
let parent = input.parent().unwrap().to_string_lossy();
let scripting_enabled = parent.contains("script_on");
let parser_config = ParserConfig {
scripting_enabled,
iframe_srcdoc: false,
};
let codegen_config = CodegenConfig {
minify: false,
scripting_enabled,
..Default::default()
};
let minified_codegen_config = CodegenConfig {
minify: true,
tag_omission: Some(true),
scripting_enabled,
..Default::default()
};
let minified_codegen_config_no_tag_omission = CodegenConfig {
minify: true,
tag_omission: Some(false),
scripting_enabled,
..Default::default()
};
if parent.contains("fragment") {
let mut context_element_namespace = Namespace::HTML;
let mut context_element_tag_name = "";
let context_element = parent
.split('.')
.last()
.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,
};
verify_document_fragment(
&input,
context_element.clone(),
Some(parser_config),
None,
Some(codegen_config),
true,
);
verify_document_fragment(
&input,
context_element.clone(),
Some(parser_config),
None,
Some(minified_codegen_config),
true,
);
verify_document_fragment(
&input,
context_element,
Some(parser_config),
None,
Some(minified_codegen_config_no_tag_omission),
true,
);
} else {
verify_document(
&input,
Some(parser_config),
None,
Some(codegen_config),
true,
);
verify_document(
&input,
Some(parser_config),
None,
Some(minified_codegen_config_no_tag_omission),
true,
);
let relative_path = input.to_string_lossy().replace('-', "_").replace('\\', "/");
if !IGNORE_TAG_OMISSION
.iter()
.any(|ignored| relative_path.contains(&**ignored))
{
verify_document(
&input,
Some(parser_config),
None,
Some(minified_codegen_config),
true,
);
}
}
}