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Ensure that the parser tests pass or fail correctly

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This commit is contained in:
DJMcNab 2018-12-20 10:50:40 +00:00
parent 346456f59f
commit e2a7e94518
1 changed files with 26 additions and 8 deletions
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34
crates/ra_syntax/tests/test.rs
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@ -16,7 +16,7 @@
#[test]
fn lexer_tests() {
dir_tests(&["lexer"], |text| {
dir_tests(&["lexer"], |text, _| {
let tokens = ra_syntax::tokenize(text);
dump_tokens(&tokens, text)
})
@ -24,10 +24,28 @@ fn lexer_tests() {
#[test]
fn parser_tests() {
dir_tests(&["parser/inline", "parser/ok", "parser/err"], |text| {
dir_tests(&["parser/inline", "parser/ok"], |text, path| {
let file = SourceFileNode::parse(text);
let errors = file.errors();
assert_eq!(
&*errors,
&[] as &[ra_syntax::SyntaxError],
"There should be no errors in the file {:?}",
path.display()
);
dump_tree(file.syntax())
})
});
dir_tests(&["parser/err"], |text, path| {
let file = SourceFileNode::parse(text);
let errors = file.errors();
assert_ne!(
&*errors,
&[] as &[ra_syntax::SyntaxError],
"There should be errors in the file {:?}",
path.display()
);
dump_tree(file.syntax())
});
}
#[test]
@ -42,7 +60,6 @@ fn parser_fuzz_tests() {
#[test]
fn self_hosting_parsing() {
use std::ffi::OsStr;
let empty_vec = vec![];
let dir = project_dir().join("crates");
let mut count = 0;
for entry in walkdir::WalkDir::new(dir)
@ -68,7 +85,8 @@ fn self_hosting_parsing() {
let node = SourceFileNode::parse(&text);
let errors = node.errors();
assert_eq!(
errors, empty_vec,
&*errors,
&[],
"There should be no errors in the file {:?}",
entry
);
@ -95,12 +113,12 @@ fn read_text(path: &Path) -> String {
.replace("\r\n", "\n")
}
pub fn dir_tests<F>(paths: &[&str], f: F)
fn dir_tests<F>(paths: &[&str], f: F)
where
F: Fn(&str) -> String,
F: Fn(&str, &Path) -> String,
{
for (path, input_code) in collect_tests(paths) {
let parse_tree = f(&input_code);
let parse_tree = f(&input_code, &path);
let path = path.with_extension("txt");
if !path.exists() {
println!("\nfile: {}", path.display());