Files
RuDS/crates/bds-mcp/tests/process.rs

39 lines
1.4 KiB
Rust

use std::io::Write as _;
use std::process::{Command, Stdio};
#[test]
fn stdio_process_initializes_lists_capabilities_and_reports_parse_errors() {
let home = tempfile::tempdir().unwrap();
let mut child = Command::new(env!("CARGO_BIN_EXE_bds-mcp"))
.env("HOME", home.path())
.env("XDG_DATA_HOME", home.path().join("data"))
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.stderr(Stdio::piped())
.spawn()
.unwrap();
let stdin = child.stdin.as_mut().unwrap();
writeln!(stdin, r#"{{"jsonrpc":"2.0","id":1,"method":"initialize","params":{{"protocolVersion":"2025-06-18"}}}}"#).unwrap();
writeln!(stdin, r#"{{"jsonrpc":"2.0","id":2,"method":"tools/list"}}"#).unwrap();
writeln!(stdin, "not-json").unwrap();
drop(child.stdin.take());
let output = child.wait_with_output().unwrap();
assert!(
output.status.success(),
"{}",
String::from_utf8_lossy(&output.stderr)
);
let lines = String::from_utf8(output.stdout).unwrap();
let responses = lines
.lines()
.map(|line| serde_json::from_str::<serde_json::Value>(line).unwrap())
.collect::<Vec<_>>();
assert_eq!(responses.len(), 3);
assert_eq!(responses[0]["result"]["protocolVersion"], "2025-06-18");
assert_eq!(
responses[1]["result"]["tools"].as_array().unwrap().len(),
12
);
assert_eq!(responses[2]["error"]["code"], -32700);
}