Files
endorphin-aster-vm/crates/cli/tests/parse.rs
T
codex-bot 0b3a480555
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Add token-based PEG frontend and CLI source parsing
2026-10-19 02:48:23 +08:00

68 lines
2.0 KiB
Rust

use std::path::PathBuf;
use std::process::Command;
use std::sync::atomic::{AtomicUsize, Ordering};
static NEXT_FILE: AtomicUsize = AtomicUsize::new(0);
struct SourceFile(PathBuf);
impl SourceFile {
fn new(content: &[u8]) -> Self {
let path = std::env::temp_dir().join(format!(
"aster-parse-{}-{}.endor",
std::process::id(),
NEXT_FILE.fetch_add(1, Ordering::Relaxed)
));
std::fs::write(&path, content).unwrap();
Self(path)
}
}
impl Drop for SourceFile {
fn drop(&mut self) {
let _ = std::fs::remove_file(&self.0);
}
}
#[test]
fn parse_command_prints_ast_without_executing_source() {
let source = SourceFile::new("function 表示(): String { return 未定義() }".as_bytes());
let output = Command::new(env!("CARGO_BIN_EXE_cli"))
.arg("parse")
.arg(&source.0)
.output()
.unwrap();
assert!(
output.status.success(),
"{}",
String::from_utf8_lossy(&output.stderr)
);
let stdout = String::from_utf8(output.stdout).unwrap();
assert!(stdout.contains("表示"));
assert!(stdout.contains("未定義"));
assert!(stdout.contains("Call"));
}
#[test]
fn parse_command_reports_source_locations_and_rejects_invalid_utf8() {
let source = SourceFile::new(b"function f(): Number {\n return )\n}");
let output = Command::new(env!("CARGO_BIN_EXE_cli"))
.arg("parse")
.arg(&source.0)
.output()
.unwrap();
assert!(!output.status.success());
assert!(output.stdout.is_empty());
let stderr = String::from_utf8(output.stderr).unwrap();
assert!(stderr.contains(":2:10:"), "{stderr}");
assert!(stderr.contains("expected"));
let source = SourceFile::new(&[0xff]);
let output = Command::new(env!("CARGO_BIN_EXE_cli"))
.arg("parse")
.arg(&source.0)
.output()
.unwrap();
assert!(!output.status.success());
assert!(output.stdout.is_empty());
}