bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/parser/src/tests.rs')
-rw-r--r--crates/parser/src/tests.rs59
1 files changed, 57 insertions, 2 deletions
diff --git a/crates/parser/src/tests.rs b/crates/parser/src/tests.rs
index ebba992561..f6f8742725 100644
--- a/crates/parser/src/tests.rs
+++ b/crates/parser/src/tests.rs
@@ -9,7 +9,7 @@ use expect_test::expect_file;
use crate::LexedStr;
#[test]
-fn valid_lexes_input() {
+fn lex_valid() {
for case in TestCase::list("lexer/ok") {
let actual = lex(&case.text);
expect_file![case.txt].assert_eq(&actual)
@@ -17,7 +17,7 @@ fn valid_lexes_input() {
}
#[test]
-fn invalid_lexes_input() {
+fn lex_invalid() {
for case in TestCase::list("lexer/err") {
let actual = lex(&case.text);
expect_file![case.txt].assert_eq(&actual)
@@ -39,6 +39,61 @@ fn lex(text: &str) -> String {
res
}
+#[test]
+fn parse_valid() {
+ for case in TestCase::list("parser/ok") {
+ let (actual, errors) = parse(&case.text);
+ assert!(!errors, "errors in an OK file {}:\n{}", case.rs.display(), actual);
+ expect_file![case.txt].assert_eq(&actual);
+ }
+}
+
+#[test]
+fn parse_invalid() {
+ for case in TestCase::list("parser/err") {
+ let (actual, errors) = parse(&case.text);
+ assert!(errors, "no errors in an ERR file {}:\n{}", case.rs.display(), actual);
+ expect_file![case.txt].assert_eq(&actual)
+ }
+}
+
+fn parse(text: &str) -> (String, bool) {
+ let lexed = LexedStr::new(text);
+ let input = lexed.to_input();
+ let output = crate::parse_source_file(&input);
+
+ let mut buf = String::new();
+ let mut errors = Vec::new();
+ let mut indent = String::new();
+ lexed.intersperse_trivia(&output, false, &mut |step| match step {
+ crate::StrStep::Token { kind, text } => {
+ write!(buf, "{}", indent).unwrap();
+ write!(buf, "{:?} {:?}\n", kind, text).unwrap();
+ }
+ crate::StrStep::Enter { kind } => {
+ write!(buf, "{}", indent).unwrap();
+ write!(buf, "{:?}\n", kind).unwrap();
+ indent.push_str(" ");
+ }
+ crate::StrStep::Exit => {
+ indent.pop();
+ indent.pop();
+ }
+ crate::StrStep::Error { msg, pos } => errors.push(format!("error {}: {}\n", pos, msg)),
+ });
+
+ for (token, msg) in lexed.errors() {
+ let pos = lexed.text_start(token);
+ errors.push(format!("error {}: {}\n", pos, msg));
+ }
+
+ let has_errors = !errors.is_empty();
+ for e in errors {
+ buf.push_str(&e);
+ }
+ (buf, has_errors)
+}
+
#[derive(PartialEq, Eq, PartialOrd, Ord)]
struct TestCase {
rs: PathBuf,