yog 0.0.31

yog: the standalone server for litany loops — the world, the balls and the conversations, behind one wire
Documentation 
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//! The `--line` seat (§8.5): a slash line typed at a terminal reaches the same
//! inbox as an envelope, the context flags are what aim it, and a line the seat
//! cannot complete refuses at the depositor rather than depositing a guess.

use super::*;
use crate::boundary::deposit;
use serde_json::json;
use tempfile::tempdir;

/// The line spelling reaches the same inbox as the envelope (§8.5): read at the
/// seat the flags describe, encoded by the codec, deposited unchanged.
#[test]
fn a_line_deposits_the_envelope_it_spells() {
    let root = tempdir().unwrap();
    let exit = run(
        root.path(),
        &[
            "--project".into(),
            "/proj".into(),
            "--as".into(),
            "alba".into(),
            "/close bl-1".into(),
        ],
        "g-line",
        0,
        &mut no_wait(),
    );
    assert_eq!(exit, TIMEOUT_EXIT, "nothing is running to answer it");
    let pending = deposit::pending(root.path());
    let [(id, path)] = pending.as_slice() else {
        panic!("expected one deposit, got {pending:?}");
    };
    assert_eq!(id, "g-line-0");
    let written: serde_json::Value =
        serde_json::from_str(&std::fs::read_to_string(path).unwrap()).unwrap();
    assert_eq!(
        written,
        json!({"op": "close", "project": "/proj", "id": "bl-1", "name": "alba"}),
        "the line encodes to the envelope it spells"
    );
}

/// A line the seat cannot complete refuses at the depositor, exactly as a
/// malformed envelope does — the inbox stays clean either way.
#[test]
fn a_line_that_names_no_target_never_deposits() {
    let root = tempdir().unwrap();
    for args in [
        vec!["/scan".to_owned()],
        vec!["--ws".to_owned()],
        vec!["--nope".to_owned(), "x".to_owned(), "/scan".to_owned()],
        vec!["/enhance".to_owned()],
    ] {
        assert_eq!(
            run(root.path(), &args, "g", 1, &mut no_wait()),
            USAGE_EXIT,
            "{args:?}"
        );
    }
    assert!(deposit::pending(root.path()).is_empty());
}

/// The flags are the seat: a `/message` typed at a terminal says where it goes.
#[test]
fn the_context_flags_aim_a_line() {
    let root = tempdir().unwrap();
    run(
        root.path(),
        &[
            "--ws".into(),
            "/ws".into(),
            "--agent".into(),
            "c-1".into(),
            "/message ship it".into(),
        ],
        "g-msg",
        0,
        &mut no_wait(),
    );
    let pending = deposit::pending(root.path());
    let [(_, path)] = pending.as_slice() else {
        panic!("expected one deposit");
    };
    let written: serde_json::Value =
        serde_json::from_str(&std::fs::read_to_string(path).unwrap()).unwrap();
    assert_eq!(
        written,
        json!({"op": "message", "workspace": "/ws", "agent": "c-1", "content": "ship it"})
    );
}

/// **The refusal names the control this seat actually has** (bl-e66f). The
/// terminal holds no selection — its own module doc opens by saying so — so
/// *"focus one"* sent the operator to a control it does not have, and `--ws`,
/// the flag that exists for exactly this, was named nowhere. It is named now,
/// on **every** refusal this seat hands back rather than on the two it happened
/// to raise itself: a missing target was the one refusal that carried no usage,
/// which made typing a gesture wrong the only way to learn how to aim one.
#[test]
fn every_refusal_names_the_flags_and_none_names_a_focus() {
    for args in [
        // The line parser's own — the case that motivated the ball.
        vec!["/conversations".to_owned()],
        vec!["/scan".to_owned()],
        // …and the two the seat already carried usage on, which must not
        // double it now that one place appends.
        vec!["--nope".to_owned(), "x".to_owned(), "/scan".to_owned()],
        vec![],
        // …and an envelope that decodes to nothing.
        vec!["not json".to_owned()],
    ] {
        let why = argv::read_gesture("gesture", &args).expect_err("refused");
        assert!(why.contains("--ws NAME"), "{args:?}: {why}");
        assert!(why.contains("yog gesture --help"), "{args:?}: {why}");
        assert!(
            !why.contains("focus"),
            "{args:?}: this seat has nothing to focus: {why}"
        );
        assert_eq!(
            why.matches("usage: yog gesture").count(),
            1,
            "{args:?}: one usage line, not two: {why}"
        );
    }
}

/// The shared sentence still says *what* was missing — the half every seat
/// needs — and says it without naming a control (bl-e66f).
#[test]
fn the_shared_sentence_states_the_fact_and_not_the_remedy() {
    let why = argv::read_gesture("gesture", &["/conversations".to_owned()]).expect_err("refused");
    assert!(
        why.contains("/conversations: no workspace in context"),
        "{why}"
    );
    assert!(!why.contains("envelope"), "{why}");
}