Function p2_cli_splice_stdin

tests/all/cli_tests.rs:1206–1236

()

    #[test]
    fn p2_cli_splice_stdin() -> Result<()> {
        let mut child = get_wasmtime_command()?
            .args(&["run", "-Wcomponent-model", P2_CLI_SPLICE_STDIN_COMPONENT])
            .stdout(Stdio::piped())
            .stderr(Stdio::piped())
            .stdin(Stdio::piped())
            .spawn()?;
        let msg = "So rested he by the Tumtum tree";
        child
            .stdin
            .take()
            .unwrap()
            .write_all(msg.as_bytes())
            .unwrap();
        let output = child.wait_with_output()?;
        assert!(output.status.success());
        let stdout = String::from_utf8_lossy(&output.stdout);
        let stderr = String::from_utf8_lossy(&output.stderr);
        if !stderr.is_empty() {
            eprintln!("{stderr}");
        }

        assert_eq!(
            format!(
                "before splice\n{msg}\ncompleted splicing {} bytes\n",
                msg.as_bytes().len()
            ),
            stdout
        );
        Ok(())
    }

    #[test]
    fn p2_cli_env() -> Result<()> {