swc/crates/swc_html_codegen/tests/fixture.rs
2022-05-15 12:27:29 +09:00

566 lines
16 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::from(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 NormalizeTest);
document_parsed_again.visit_mut_with(&mut NormalizeTest);
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.clone(),
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::from(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.clone(),
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 NormalizeTest);
document_fragment_parsed_again.visit_mut_with(&mut NormalizeTest);
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 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_fragment = parse_file_as_document_fragment(
&fm,
context_element.clone(),
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.clone(),
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_span(&mut self, n: &mut Span) {
*n = Default::default()
}
}
struct NormalizeTest;
impl VisitMut for NormalizeTest {
fn visit_mut_document_fragment(&mut self, n: &mut DocumentFragment) {
n.visit_mut_children_with(self);
if let Some(last) = n.children.last_mut() {
if let Child::Text(_) = last {
// Drop value from the last `Text` node because characters after `</body>`
// moved to body tag
n.children.remove(n.children.len() - 1);
}
}
}
fn visit_mut_element(&mut self, n: &mut Element) {
n.visit_mut_children_with(self);
if &*n.tag_name == "body" {
if let Some(last) = n.children.last_mut() {
if let Child::Text(text) = last {
// Drop value from the last `Text` node because characters after `</body>`
// moved to body tag
text.value = "".into();
}
}
}
}
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,
}),
);
print_document(
&input,
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: true,
}),
);
}
#[testing::fixture("tests/document_fragment/**/input.html")]
fn test_document_fragment(input: PathBuf) {
print_document_fragment(
&input,
Element {
span: Default::default(),
tag_name: "template".into(),
namespace: Namespace::HTML,
attributes: vec![],
children: vec![],
content: None,
},
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: false,
}),
);
print_document_fragment(
&input,
Element {
span: Default::default(),
tag_name: "template".into(),
namespace: Namespace::HTML,
attributes: vec![],
children: vec![],
content: None,
},
None,
None,
Some(CodegenConfig {
scripting_enabled: false,
minify: true,
}),
);
}
#[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);
}
#[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",
)
)]
fn parser_recovery_verify(input: PathBuf) {
verify_document(&input, None, None, None, true);
}
// TODO - remove exclude when we implement `raw`, `context_element` and etc
#[testing::fixture(
"../swc_html_parser/tests/html5lib-tests-fixture/**/*.html",
exclude(
"tests16_dat/131.html",
"plain-text-unsafe_dat/0.html",
"template_dat/107.html",
"template_dat/80.html",
"tests16_dat/130.html",
"tests16_dat/132.html",
"tests16_dat/133.html",
"tests16_dat/134.html",
"tests16_dat/135.html",
"tests16_dat/136.html",
"tests16_dat/147.html",
"tests16_dat/148.html",
"tests16_dat/149.html",
"tests16_dat/150.html",
"tests16_dat/196.html",
"tests16_dat/31.html",
"tests16_dat/32.html",
"tests16_dat/33.html",
"tests16_dat/34.html",
"tests16_dat/35.html",
"tests16_dat/36.html",
"tests16_dat/37.html",
"tests16_dat/48.html",
"tests16_dat/49.html",
"tests16_dat/50.html",
"tests16_dat/51.html",
"tests16_dat/52.html",
"tests16_dat/53.html",
"tests18_dat/12.html",
"tests18_dat/15.html",
"tests18_dat/21.html",
"tests18_dat/7.html",
"tests18_dat/8.html",
"tests18_dat/9.html",
"tests19_dat/103.html",
"tests1_dat/103.html",
"tests1_dat/30.html",
"tests1_dat/77.html",
"tests1_dat/90.html",
"tests20_dat/41.html",
"tests26_dat/2.html",
"tests2_dat/12.html",
"tests4_dat/3.fragment.style.html",
"tests4_dat/4.fragment.plaintext.html",
)
)]
fn html5lib_tests_verify(input: PathBuf) {
let file_stem = input.file_stem().unwrap().to_str().unwrap().to_owned();
let scripting_enabled = file_stem.contains("script_on");
let parser_config = ParserConfig {
scripting_enabled,
iframe_srcdoc: false,
};
let codegen_config = CodegenConfig {
minify: false,
scripting_enabled,
};
if file_stem.contains("fragment") {
let mut context_element_namespace = Namespace::HTML;
let mut context_element_tag_name = "";
let context_element = file_stem
.split('.')
.last()
.expect("failed to get context element from filename");
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![],
children: vec![],
content: None,
};
verify_document_fragment(
&input,
context_element,
Some(parser_config),
None,
Some(codegen_config),
true,
);
} else {
verify_document(
&input,
Some(parser_config),
None,
Some(codegen_config),
true,
);
}
}