magi-code 0.77.1

Repository-aware CLI coding agent for terminal work
Documentation
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use super::*;

#[test]
fn subagent_card_selection_stays_stable_when_other_tasks_update() {
    let mut state = MissionControlState::default();
    let batch = append_subagent_card_batch(
        &mut state,
        "follow-batch",
        &[ActivityStatus::Running, ActivityStatus::Running],
    );
    assert_eq!(
        project_cards(&state)[0]
            .subagent_card
            .as_ref()
            .and_then(|subagent_card| subagent_card.selected_task_id.as_deref()),
        Some("g1")
    );

    state.apply_activity_event(ActivityEvent::Delta {
        id: ActivityId::new("follow-batch/g1"),
        preview: "g1 newest output".to_string(),
    });
    state.apply_activity_event(ActivityEvent::Delta {
        id: ActivityId::new("follow-batch/g2"),
        preview: "g2 later output".to_string(),
    });
    assert_eq!(
        project_cards(&state)[0]
            .subagent_card
            .as_ref()
            .and_then(|subagent_card| subagent_card.selected_task_id.as_deref()),
        Some("g1")
    );

    state.pin_subagent_card_task(batch.clone(), ActivityId::new("follow-batch/g2"));
    state.apply_activity_event(ActivityEvent::Delta {
        id: ActivityId::new("follow-batch/g1"),
        preview: "\nstill newest".to_string(),
    });
    assert_eq!(
        project_cards(&state)[0]
            .subagent_card
            .as_ref()
            .and_then(|subagent_card| subagent_card.selected_task_id.as_deref()),
        Some("g2")
    );
}

#[test]
fn subagent_card_tail_uses_latest_own_and_descendant_lines_without_prompt_context() {
    let mut state = MissionControlState {
        subagent_card_rows: 5,
        ..Default::default()
    };
    let batch = append_subagent_card_batch(&mut state, "tail-batch", &[ActivityStatus::Running]);
    let task = ActivityId::new("tail-batch/g1");
    state.apply_activity_event(ActivityEvent::Delta {
        id: task.clone(),
        preview: "initial one\ninitial two\nown final one\nown final two".to_string(),
    });
    let tool = ActivityId::new("tail-batch/g1/tool-1");
    state.apply_activity_event(ActivityEvent::Started {
        id: tool.clone(),
        parent_id: Some(task.clone()),
        kind: ActivityKind::Tool,
        status: ActivityStatus::Success,
        metadata: ActivityMetadata::new("Read · safe.rs"),
    });
    state.apply_activity_event(ActivityEvent::Delta {
        id: tool,
        preview: "tool initial\ntool final".to_string(),
    });

    let card = &project_cards(&state)[0];
    let tail = &card.children[0].live_tail;
    assert!(
        tail.iter().any(|line| line.contains("tool • final")),
        "{tail:?}"
    );
    assert!(
        tail.iter().any(|line| line.contains("own final two")),
        "{tail:?}"
    );
    assert!(
        !tail.iter().any(|line| line.contains("initial one")),
        "{tail:?}"
    );
    let tool_final = tail
        .iter()
        .position(|line| line.contains("tool • final"))
        .expect("tool final row");
    let own_final = tail
        .iter()
        .position(|line| line.contains("own final two"))
        .expect("own final row");
    assert!(own_final < tool_final, "{tail:?}");
    assert!(tail.len() <= 5);

    state.pin_subagent_card_task(batch, task.clone());
    assert!(state.open_subagent_card_transcript(task));
    let detail = state.selected_activity_cached_text();
    assert!(detail.contains("task intent 1"), "{detail}");
    assert!(detail.contains("tool final"), "{detail}");
    assert!(!detail.contains("FORBIDDEN CHILD PROMPT"), "{detail}");

    state.apply_activity_event(ActivityEvent::Started {
        id: ActivityId::new("later-root"),
        parent_id: None,
        kind: ActivityKind::Tool,
        status: ActivityStatus::Running,
        metadata: ActivityMetadata::new("Later root"),
    });
    assert_eq!(
        state.selected_activity_id(),
        Some(ActivityId::new("tail-batch/g1"))
    );
}
#[test]
fn subagent_card_rows_setting_limits_projected_tail_and_activity_section() {
    let mut state = MissionControlState {
        subagent_card_rows: 2,
        ..Default::default()
    };
    append_subagent_card_batch(&mut state, "rows-batch", &[ActivityStatus::Running]);
    let task = ActivityId::new("rows-batch/g1");
    state.apply_activity_event(ActivityEvent::Delta {
        id: task,
        preview: "first\nsecond\nthird\nfourth\nfifth\nsixth".to_string(),
    });

    let card = &project_cards(&state)[0];
    assert_eq!(card.children[0].live_tail.len(), 2);

    let lines = visual_lines(&state, 80);
    let activity_rows = lines
        .iter()
        .enumerate()
        .filter(|(_, line)| line.copy_text.contains("agent •"))
        .map(|(index, _)| index)
        .collect::<Vec<_>>();
    assert_eq!(activity_rows.len(), 2, "{lines:?}");
    let controls_row = lines
        .iter()
        .position(|line| line.copy_text.contains("[View Subagent ↗]"))
        .expect("view subagent controls row");
    assert_eq!(controls_row, activity_rows[1] + 3, "{lines:?}");
}

#[test]
fn subagent_card_roster_is_two_rows_bounded_typed_and_responsive() {
    let mut state = MissionControlState::default();
    let statuses = [
        ActivityStatus::Success,
        ActivityStatus::Running,
        ActivityStatus::Failed,
        ActivityStatus::Queued,
        ActivityStatus::Success,
        ActivityStatus::Failed,
        ActivityStatus::Queued,
        ActivityStatus::Success,
    ];
    append_subagent_card_batch(&mut state, "many-batch", &statuses);
    for width in [1, 2, 12, 24, 48, 80] {
        let lines = visual_lines(&state, width);
        assert!(lines.iter().all(|line| {
            UnicodeWidthStr::width(line_text(&line.line).as_str()) == usize::from(width)
        }));
    }

    let lines = visual_lines(&state, 24);
    let roster = lines
        .iter()
        .filter(|line| {
            line.hit_regions.iter().any(|region| {
                matches!(
                    region.target,
                    super::visual_lines::TranscriptHitTarget::SelectTask { .. }
                )
            })
        })
        .collect::<Vec<_>>();
    assert!(roster.len() <= 2, "{lines:?}");
    assert!(
        lines.iter().any(|line| line.copy_text.contains("more")),
        "{lines:?}"
    );
    assert!(
        lines
            .iter()
            .any(|line| line.copy_text.contains("[g1 agent-1 ✓]")),
        "{lines:?}"
    );
    assert!(
        lines
            .iter()
            .any(|line| line.copy_text.contains('+') && line.copy_text.contains("more")),
        "{lines:?}"
    );
    for line in roster {
        for region in &line.hit_regions {
            assert!(region.columns.start < region.columns.end);
            assert!(region.columns.end <= 24);
        }
    }
}

#[test]
fn subagent_card_hit_targets_keep_multiple_batches_exact() {
    let mut state = MissionControlState::default();
    append_subagent_card_batch(&mut state, "batch-a", &[ActivityStatus::Running]);
    append_subagent_card_batch(&mut state, "batch-b", &[ActivityStatus::Running]);
    let targets = visual_lines(&state, 80)
        .into_iter()
        .flat_map(|line| line.hit_regions)
        .filter_map(|region| match region.target {
            super::visual_lines::TranscriptHitTarget::SelectTask { batch_id, task_id } => {
                Some((batch_id, task_id))
            }
            _ => None,
        })
        .collect::<Vec<_>>();
    assert!(targets.contains(&(ActivityId::new("batch-a"), ActivityId::new("batch-a/g1"))));
    assert!(targets.contains(&(ActivityId::new("batch-b"), ActivityId::new("batch-b/g1"))));
}

#[test]
fn subagent_card_selection_keeps_roster_order_and_highlights_selected_tab() {
    let mut state = MissionControlState::default();
    let batch = append_subagent_card_batch(
        &mut state,
        "stable-roster",
        &[
            ActivityStatus::Running,
            ActivityStatus::Running,
            ActivityStatus::Running,
        ],
    );
    let roster_text = |state: &MissionControlState| {
        visual_lines(state, 80)
            .into_iter()
            .filter(|line| {
                line.hit_regions.iter().any(|region| {
                    matches!(
                        region.target,
                        super::visual_lines::TranscriptHitTarget::SelectTask { .. }
                    )
                })
            })
            .map(|line| line.copy_text)
            .collect::<Vec<_>>()
            .join("\n")
    };
    let initial = roster_text(&state);
    assert!(initial.find("g1").unwrap() < initial.find("g2").unwrap());
    assert!(initial.find("g2").unwrap() < initial.find("g3").unwrap());

    state.pin_subagent_card_task(batch.clone(), ActivityId::new("stable-roster/g1"));
    let pinned = visual_lines(&state, 80);
    assert_eq!(roster_text(&state), initial);
    let g1 = pinned
        .iter()
        .flat_map(|line| &line.line.spans)
        .find(|span| span.content == "[g1 agent-1 ●]")
        .expect("g1 chip");
    let g3 = pinned
        .iter()
        .flat_map(|line| &line.line.spans)
        .find(|span| span.content == "[g3 agent-3 ●]")
        .expect("g3 chip");
    assert!(g1.style.add_modifier.contains(Modifier::REVERSED));
    assert!(!g3.style.add_modifier.contains(Modifier::REVERSED));
    assert!(g1.style.add_modifier.contains(Modifier::BOLD));
    assert!(g3.style.add_modifier.contains(Modifier::BOLD));
    let heading = pinned
        .iter()
        .flat_map(|line| &line.line.spans)
        .find(|span| span.content.starts_with("● g1 ·"))
        .expect("selected task heading");
    assert_eq!(heading.style.fg, g1.style.fg);
    assert!(
        !pinned
            .iter()
            .any(|line| line.copy_text.contains("Follow live"))
    );
}

#[test]
fn subagent_card_tail_is_five_newest_activities_in_ascending_order() {
    let mut state = MissionControlState {
        subagent_card_rows: 5,
        ..Default::default()
    };
    let batch = append_subagent_card_batch(&mut state, "ordered-tail", &[ActivityStatus::Running]);
    let task = ActivityId::new("ordered-tail/g1");
    for index in 1..=5 {
        state.apply_activity_event(ActivityEvent::Started {
            id: ActivityId::new(format!("ordered-tail/g1/tool-{index}")),
            parent_id: Some(task.clone()),
            kind: ActivityKind::Tool,
            status: ActivityStatus::Running,
            metadata: ActivityMetadata::new(format!(
                "activity {index} {}",
                "writes without wrapping ".repeat(8)
            )),
        });
    }
    state.pin_subagent_card_task(batch.clone(), task.clone());

    let card = &project_cards(&state)[0];
    let tail = &card.children[0].live_tail;
    assert_eq!(tail.len(), 5, "{tail:?}");
    for (row, expected) in tail.iter().zip([1, 2, 3, 4, 5]) {
        assert!(row.contains(&format!("activity {expected}")), "{tail:?}");
    }

    state.apply_activity_event(ActivityEvent::Started {
        id: ActivityId::new("ordered-tail/g1/tool-6"),
        parent_id: Some(task),
        kind: ActivityKind::Tool,
        status: ActivityStatus::Running,
        metadata: ActivityMetadata::new(format!(
            "activity 6 {}",
            "writes without wrapping ".repeat(8)
        )),
    });
    let tail = &project_cards(&state)[0].children[0].live_tail;
    assert_eq!(tail.len(), 5, "{tail:?}");
    for (row, expected) in tail.iter().zip([2, 3, 4, 5, 6]) {
        assert!(row.contains(&format!("activity {expected}")), "{tail:?}");
    }

    for width in [12, 16, 24, 48] {
        let lines = visual_lines(&state, width);
        let activity_rows = lines
            .iter()
            .filter(|line| {
                line.line.spans.iter().any(|span| {
                    span.style.bg == Some(state.theme.surface_background())
                        && span.content.starts_with("too")
                })
            })
            .collect::<Vec<_>>();
        assert_eq!(activity_rows.len(), 5, "width {width}: {lines:?}");
        assert!(
            activity_rows
                .iter()
                .all(|line| visual_line_rows(line, width) == 1),
            "width {width}: {activity_rows:?}"
        );
    }

    let lines = visual_lines(&state, 80);
    let chip = lines
        .iter()
        .find(|line| line.copy_text.contains("[g1 agent-1 ●]"))
        .expect("chip row");
    assert!(chip.copy_text.starts_with("  [g1 agent-1 ●]"));
    assert_eq!(chip.hit_regions[0].columns.start, 3);
    assert!(
        lines
            .iter()
            .any(|line| line.copy_text.starts_with("  │ tool •"))
    );
}

#[test]
fn subagent_card_tail_includes_assistant_reasoning_and_arbitrary_id_tool_activities() {
    let mut state = MissionControlState::default();
    append_subagent_card_batch(&mut state, "coverage-batch", &[ActivityStatus::Running]);
    let task = ActivityId::new("coverage-batch/g1");
    add_subagent_card_assistant_activity(
        &mut state,
        &task,
        "assistant-arbitrary-id",
        "assistant visible answer",
    );
    state.apply_activity_event(ActivityEvent::Started {
        id: ActivityId::new("reasoning-arbitrary-id"),
        parent_id: Some(task.clone()),
        kind: ActivityKind::Assistant,
        status: ActivityStatus::Success,
        metadata: ActivityMetadata::reasoning(&["reasoning visible summary".to_string()]),
    });
    add_subagent_card_tool_activity(&mut state, &task, "call-bash", "bash", "cargo check");
    add_subagent_card_tool_activity(&mut state, &task, "call-find", "find", "Cargo.toml");
    add_subagent_card_tool_activity(&mut state, &task, "call-read", "read", "src/lib.rs");

    let tail = &project_cards(&state)[0].children[0].live_tail;
    assert_eq!(tail.len(), 5, "{tail:?}");
    assert!(tail[0].contains("assistant visible answer"), "{tail:?}");
    assert!(tail[1].contains("reasoning visible summary"), "{tail:?}");
    assert!(tail[2].contains("bash • cargo check"), "{tail:?}");
    assert!(tail[3].contains("find • Cargo.toml"), "{tail:?}");
    assert!(tail[4].contains("read • src/lib.rs"), "{tail:?}");
    let joined = tail.join("\n");
    assert!(!joined.contains("FORBIDDEN"), "{joined}");
}

#[test]
fn subagent_card_stage_reserves_sixteen_activity_rows_and_spacer_before_controls() {
    fn control_distance(state: &MissionControlState) -> usize {
        let lines = visual_lines(state, 80);
        let intent = lines
            .iter()
            .position(|line| line.copy_text.contains("task intent 1"))
            .expect("intent row");
        let controls = lines
            .iter()
            .position(|line| line.copy_text.contains("[View Subagent ↗]"))
            .expect("controls row");
        controls.saturating_sub(intent)
    }

    let mut zero = MissionControlState::default();
    let zero_batch = ActivityId::new("fixed-zero");
    zero.transcript
        .push_back("tool: ⟳ subagents • running".to_string());
    zero.transcript.link_activity(
        0,
        TranscriptActivityLink {
            activity_id: zero_batch.clone(),
            tool_name: "subagents".to_string(),
        },
    );
    zero.apply_activity_event(ActivityEvent::Started {
        id: zero_batch,
        parent_id: None,
        kind: ActivityKind::SubagentBatch,
        status: ActivityStatus::Running,
        metadata: ActivityMetadata {
            label: "subagents • 0 tasks".to_string(),
            detail: None,
            fields: vec![("tasks".to_string(), "0".to_string())],
        },
    });

    let mut empty = MissionControlState::default();
    append_subagent_card_batch(&mut empty, "fixed-empty", &[ActivityStatus::Running]);
    assert_eq!(control_distance(&empty), 21);
    assert!(
        visual_lines(&zero, 80)
            .iter()
            .all(|line| line.hit_regions.is_empty())
    );

    let mut one = MissionControlState::default();
    append_subagent_card_batch(&mut one, "fixed-one", &[ActivityStatus::Running]);
    add_subagent_card_assistant_activity(
        &mut one,
        &ActivityId::new("fixed-one/g1"),
        "single-assistant",
        "one activity",
    );
    assert_eq!(control_distance(&one), 21);

    let mut sixteen = MissionControlState::default();
    append_subagent_card_batch(&mut sixteen, "fixed-sixteen", &[ActivityStatus::Running]);
    let task = ActivityId::new("fixed-sixteen/g1");
    for index in 1..=16 {
        add_subagent_card_tool_activity(
            &mut sixteen,
            &task,
            &format!("fixed-tool-{index}"),
            "read",
            &format!("file-{index}.rs"),
        );
    }
    assert_eq!(control_distance(&sixteen), 21);

    let lines = visual_lines(&sixteen, 80);
    let controls = lines
        .iter()
        .position(|line| line.copy_text.contains("[View Subagent ↗]"))
        .expect("controls row");
    assert!(lines[controls - 1].copy_text.trim().is_empty());
}