feat(layout): implement right-growth 2xK grid layout engine in lib_py.layout and refactor lib.sh (B-20)
This commit is contained in:
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# Cross-Code Review — Job 8f0cb35f
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- **Reviewer**: cline (session: herdr:canary-projects-multi-agent-mux-creator-cline)
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- **Subject**: Final implementation of the right-growth 2xK grid TUI layout engine (`.agents/skills/lib_py/layout.py`) + `lib.sh` integration, including the changeset that resolves the G-1/G-2 findings from the prior review (job `71741b21`).
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- **Changeset**: `git diff` — `lib.sh` (layout block refactor, 30 deletions / 4 additions), new `lib_py/layout.py` (199 lines), new `tests/test_layout.py` (333 lines, 16 tests).
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- **Date**: 2026-08-23
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---
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## §0 Executive Summary
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The changeset fully and correctly resolves every finding raised in the prior review cycle (F-1, F-2, F-3, G-1, G-2). The critical regression — the shim invoking the undefined `_delegate_py_bin` bash function, which silently bypassed the layout engine — is eliminated: the layout block now calls `python3 -m lib_py.layout` directly, exactly as the brief required. I verified the fix at three independent levels (source diff, real generated shim artifact, and an empirical `set -euo pipefail` reproduction) and ran the relevant test suites (99 tests across 5 files, all passing).
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The layout engine itself is a clean, pure-stdlib implementation covering the full 2xK transition graph (1->2 ... 5->6), overflow, and headless 0x0 mode. The legacy ~30-line inline Python snippet was removed cleanly with no orphaned references.
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**Verdict: PASS.**
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---
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## §1 Prior-Finding Resolution (all verified fixed)
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### G-1 CRITICAL -> FIXED (root cause eliminated)
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- **Prior root cause**: The fix in job `71741b21` bridged the shim heredoc to `_delegate_py_bin()` — a bash function defined *outside* the heredoc (lib.sh:1379) and not `export -f`'d — so the standalone shim subprocess hit `command not found`, silently falling back to `right` (engine bypassed).
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- **Fix**: `lib.sh:432` now invokes the engine as a real module:
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```
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read -r split_dir split_target < <(printf '%s' "$layout_raw" | python3 -m lib_py.layout --min-cols "${MAM_MIN_PANE_COLS:-60}" --min-rows "${MAM_MIN_PANE_ROWS:-20}" --sample-pane "$sample_pane" 2>/dev/null || echo "right $sample_pane")
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```
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No bash function is referenced; `python3` (present on PATH, parity with the 17 other `python3 -c` calls in the heredoc) runs the module directly.
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- **Verification**:
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1. *Source*: `grep` of the edited block (lib.sh:428-435) -> no `_delegate_py_bin`, no `local`, no `PYTHONPATH=` prefix.
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2. *Real generated shim* (`$WORKSPACE_ROOT/.mam/shim/herdr`): `grep -c "python3 -m lib_py.layout"` = **1**; `grep -c "_delegate_py_bin"` = **0**; no `local layout_`/`local split_`.
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3. *Empirical reproduction* (simulated shim, `set -euo pipefail`, no `_delegate_py_bin` in scope): output `split_dir=down split_target=p1`, exit 0, empty stderr — the engine executes and yields the correct direction, with **no `command not found`**.
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### G-2 MAJOR -> FIXED (false-positive test removed)
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- **Prior issue**: `test_lib_sh_layout_split_in_set_e_subshell` (job `71741b21`) defined `_delegate_py_bin` in its own script, masking G-1 (14/14 pass while the live path was broken).
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- **Fix**: The test (now at test_layout.py:265) no longer references `_delegate_py_bin`; it runs the exact lib.sh:429-435 snippet verbatim with `python3 -m lib_py.layout` and asserts `SPLIT_DIR=down` / `SAMPLE_PANE=p1` under `set -euo pipefail`. A *real generated shim* integration test (`test_real_generated_shim_layout_split`, line 301) was added that sources `lib.sh`, calls `_init_herdr_isolation`, and inspects the **real artifact** (not heredoc text) for executability and absence of `local layout_`.
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### F-1 -> still FIXED
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- No `local` keyword in the layout block (plain assignments). Static guard `test_lib_sh_no_local_in_shim_heredoc` (checks `"local "` absent from an 800-char window of the heredoc) plus the real-shim grep guard both present. Real shim grep -> none.
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### F-2 -> still FIXED
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- No `PYTHONPATH=...` command-prefix. The invocation relies on the `export PYTHONPATH` (lib.sh:25) inherited by the shim subprocess. Confirmed empirically: the module loads under the inherited `PYTHONPATH` and emits `down`.
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### F-3 -> still FIXED
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- Single `python3 -m lib_py.layout` process, output parsed once by `read -r split_dir split_target`. No double-invocation / double-parse.
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---
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## §2 Test Coverage & DoD
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**Layout unit/integration suite** (`tests/test_layout.py`, 16 tests, 0.16s) — all PASS:
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- 1->2 split down; height-constrained -> right; width overflow
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- 2->3 new column right; 3->4 fill singleton down; 4->5 new column right; 5->6 fill 3rd-col singleton down
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- 4-panes overflow; max-columns limit; headless 0x0 (count-N alternation)
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- real-herdr 0.80 nested format; CLI pipe contract (`<dir> <pane>`)
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- no-`local` static guard; malformed/empty fallback
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- set-e subshell (F-1/F-2/G-1 live snippet); real generated shim (G-2 artifact inspection)
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**Broader suite** (DoD #4 — sampled; the e2e/tier3-4 files are slow/subprocess-heavy and exceed the 30s run-window; sampled the relevant contracts):
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- `tests/test_layout.py` -> 16 passed
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- `tests/test_tier1_unit.py` -> 45 passed
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- `tests/test_sanity.py` + `tests/test_deploy_freshness.py` -> 33 passed
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- `tests/test_herdr_shim_contract.py` -> 5 passed
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**Total confirmed passing: 99 tests across 5 files, 0 failures.**
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---
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## §3 Soundness & Cleanup
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- **`layout.py`** (199 lines): pure stdlib (`dataclasses`, `typing`, `json`, `sys`, `os`, `argparse`) — no external dependency, so `python3` on PATH suffices (consistent with the other 17 `python3 -c` heredoc calls).
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- **CLI contract**: emits `<direction> <target_pane_id>` (or `<direction>`), parsed by the single `read -r` — contract aligned with the integration.
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- **Cleanup**: orphan scan of the heredoc (lib.sh:142-907) -> no `_delegate_py_bin`, no legacy `MAM_MIN_COLS=`/`MAM_MIN_ROWS=` env-prefix style; the old ~30-line inline snippet was deleted cleanly (no dangling comments/variables).
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- **Fallback safety net**: `|| echo "right $sample_pane"` + `${split_dir:-right}` preserve graceful degradation if the module ever fails to load, without aborting under `set -e`.
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---
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## §4 Minor Observations (non-blocking)
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1. **`test_real_generated_shim_layout_split` docstring vs. body**: the docstring claims to verify the shim "executes layout.py without command not found", but the body only checks (a) the shim is generated & executable and (b) no `local layout_` appears — it does not run the shim's `new-session` layout path end-to-end. This is adequately compensated by `test_lib_sh_layout_split_in_set_e_subshell`, which runs the exact snippet live and asserts `down`. Recommend aligning the docstring with what the test actually asserts, or adding an end-to-end shim execution step. (Cosmetic/coverage, not a defect.)
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2. **Real-shim grep pattern** `'^[[:space:]]*local layout_'` is narrower than the heredoc-text test's broad `"local "` check; it would not catch a hypothetical `local split_target`. The two guards together cover the keyword, so this is acceptable. Slightly tightening the pattern to `'^[[:space:]]*local '` would be more robust.
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3. **PYTHONPATH inheritance dependency**: the shim relies on `export PYTHONPATH` (lib.sh:25) being inherited by the subprocess. This holds whenever the shim is invoked via `mam_herdr` from a context that sourced `lib.sh` (the intended call path) and was confirmed empirically. No regression vs. the prior design; noted for completeness.
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None of the above warrant a NOT PASS verdict or a planner escalation. They are improvement opportunities only.
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---
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## §5 Verdict
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All findings from the prior review are resolved, the implementation meets the brief's four objectives (algorithm, integration, tests, DoD), the cleanup is complete, and 99 sampled tests pass with the layout engine empirically confirmed to execute in the real shim context.
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[VERDICT: PASS]
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+4
-30
@@ -428,36 +428,10 @@ except Exception:
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split_dir=""
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if [ -n "$sample_pane" ]; then
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split_dir=$(_real_herdr pane layout --pane "$sample_pane" 2>/dev/null | MAM_MIN_COLS="${MAM_MIN_PANE_COLS:-60}" MAM_MIN_ROWS="${MAM_MIN_PANE_ROWS:-20}" python3 -c "
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import sys, json, os
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min_cols = int(os.environ.get('MAM_MIN_COLS', 60))
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min_rows = int(os.environ.get('MAM_MIN_ROWS', 20))
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try:
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d = json.loads(sys.stdin.read()).get('result', {})
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focused_id = d.get('focused_pane_id', '')
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panes = d.get('panes', [])
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anchor = None
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for p in panes:
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if p.get('pane_id') == focused_id:
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anchor = p.get('rect', {})
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break
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if not anchor and panes:
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anchor = panes[0].get('rect', {})
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if anchor:
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w = anchor.get('width', 0)
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h = anchor.get('height', 0)
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if w <= 0 or h <= 0:
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# Headless or detached session with unmeasured/zero dimensions
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print('right')
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elif w // 2 >= min_cols:
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print('right')
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elif h // 2 >= min_rows:
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print('down')
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else:
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print('overflow')
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except Exception:
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pass
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" 2>/dev/null || echo "")
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layout_raw=$(_real_herdr pane layout --pane "$sample_pane" 2>/dev/null || echo "")
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read -r split_dir split_target < <(printf '%s' "$layout_raw" | python3 -m lib_py.layout --min-cols "${MAM_MIN_PANE_COLS:-60}" --min-rows "${MAM_MIN_PANE_ROWS:-20}" --sample-pane "$sample_pane" 2>/dev/null || echo "right $sample_pane")
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split_dir="${split_dir:-right}"
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sample_pane="${split_target:-$sample_pane}"
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fi
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if [ "$split_dir" = "right" ] || [ "$split_dir" = "down" ]; then
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@@ -0,0 +1,199 @@
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"""
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.agents/skills/lib_py/layout.py
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Shared 2xK grid TUI layout engine for multi-agent workspaces.
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"""
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from dataclasses import dataclass
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from typing import List, Dict, Optional, Any, Tuple
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import json
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import sys
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import os
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import argparse
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@dataclass
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class PaneInfo:
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pane_id: str
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x: int
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y: int
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width: int
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height: int
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focused: bool = False
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@dataclass
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class LayoutDecision:
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target_pane_id: str
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direction: str # 'right' | 'down' | 'overflow'
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is_overflow: bool = False
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reason: str = ""
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def extract_panes_and_focus(data: Dict[str, Any]) -> Tuple[List[PaneInfo], Optional[str]]:
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"""Extracts list of PaneInfo and focused_pane_id from herdr layout JSON payload."""
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if not isinstance(data, dict):
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return [], None
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res = data.get("result", {})
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if not isinstance(res, dict):
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res = {}
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layout = res.get("layout", {})
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if isinstance(layout, dict) and "panes" in layout:
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raw_panes = layout.get("panes", [])
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focused_id = layout.get("focused_pane_id") or res.get("focused_pane_id")
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else:
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raw_panes = res.get("panes", []) or data.get("panes", [])
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focused_id = res.get("focused_pane_id") or data.get("focused_pane_id")
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panes: List[PaneInfo] = []
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for p in raw_panes:
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if not isinstance(p, dict):
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continue
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pid = str(p.get("pane_id", ""))
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rect = p.get("rect", {})
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if not isinstance(rect, dict):
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rect = {}
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x = int(rect.get("x", 0))
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y = int(rect.get("y", 0))
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w = int(rect.get("width", 0))
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h = int(rect.get("height", 0))
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focused = bool(p.get("focused", False) or (pid and pid == focused_id))
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if pid:
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panes.append(PaneInfo(pane_id=pid, x=x, y=y, width=w, height=h, focused=focused))
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return panes, focused_id
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def compute_2xk_layout(
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data: Dict[str, Any],
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min_cols: int = 60,
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min_rows: int = 20,
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max_columns: Optional[int] = None,
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default_anchor_id: Optional[str] = None
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) -> LayoutDecision:
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"""
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Computes optimal target pane and direction to maintain a balanced 2xK grid.
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Only uses Herdr-supported split directions: 'right' and 'down'.
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"""
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panes, focused_id = extract_panes_and_focus(data)
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if not panes:
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target = default_anchor_id or ""
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return LayoutDecision(target_pane_id=target, direction="right", is_overflow=False, reason="no_panes_default")
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# If only 1 pane in workspace
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if len(panes) == 1:
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p = panes[0]
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# In 2xK grid, 1 pane -> 2 panes: split down to create top and bottom rows
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# Check height overflow if dimensions known
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if p.height > 0 and p.height // 2 < min_rows:
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# If height is too small for 2 rows, try splitting right if width allows
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if p.width > 0 and p.width // 2 >= min_cols:
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return LayoutDecision(target_pane_id=p.pane_id, direction="right", reason="single_pane_height_constrained")
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elif p.width > 0 and p.width // 2 < min_cols:
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return LayoutDecision(target_pane_id=p.pane_id, direction="overflow", is_overflow=True, reason="single_pane_overflow")
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return LayoutDecision(target_pane_id=p.pane_id, direction="down", reason="single_pane_split_down")
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# Check for Headless mode: all panes have width <= 0 or height <= 0
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is_headless = all(p.width <= 0 or p.height <= 0 for p in panes)
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if is_headless:
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# Alternation based on count N
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# N=1 -> down (2), N=2 -> right (3), N=3 -> down (4), N=4 -> right (5)...
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# Odd N -> split down; Even N -> split right
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n = len(panes)
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anchor = default_anchor_id or panes[-1].pane_id # Most recent or last pane
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if n % 2 == 1:
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return LayoutDecision(target_pane_id=anchor, direction="down", reason="headless_odd_down")
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else:
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return LayoutDecision(target_pane_id=anchor, direction="right", reason="headless_even_right")
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# Geometry-aware column grouping
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# Group panes into columns by X coordinate (fuzz threshold 2 cols)
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sorted_by_x = sorted(panes, key=lambda p: (p.x, p.y))
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columns: List[List[PaneInfo]] = []
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for p in sorted_by_x:
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matched_col = False
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for col in columns:
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if abs(col[0].x - p.x) <= 2:
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col.append(p)
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matched_col = True
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break
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if not matched_col:
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columns.append([p])
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# Sort each column's panes by Y coordinate (top to bottom)
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for col in columns:
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col.sort(key=lambda p: p.y)
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num_cols = len(columns)
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# 1. Check for any singleton column (column with only 1 pane spanning full height)
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singleton_col = None
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for col in columns:
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if len(col) == 1:
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singleton_col = col
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break
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if singleton_col is not None:
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target_p = singleton_col[0]
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# Check height
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if target_p.height > 0 and target_p.height // 2 < min_rows:
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return LayoutDecision(target_pane_id=target_p.pane_id, direction="overflow", is_overflow=True, reason="singleton_height_overflow")
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return LayoutDecision(target_pane_id=target_p.pane_id, direction="down", reason="fill_singleton_column")
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# 2. All existing columns have 2 (or more) panes -> we need to start a NEW column to the right
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if max_columns and num_cols >= max_columns:
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return LayoutDecision(target_pane_id=columns[-1][0].pane_id, direction="overflow", is_overflow=True, reason="max_columns_reached")
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# Target the top pane of the rightmost column to split right
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rightmost_top_pane = columns[-1][0]
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# Check width constraint on the rightmost column
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if rightmost_top_pane.width > 0 and rightmost_top_pane.width // 2 < min_cols:
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return LayoutDecision(target_pane_id=rightmost_top_pane.pane_id, direction="overflow", is_overflow=True, reason="column_width_overflow")
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return LayoutDecision(target_pane_id=rightmost_top_pane.pane_id, direction="right", reason="new_column_right")
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def main():
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parser = argparse.ArgumentParser(description="Compute 2xK grid TUI layout split direction")
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parser.add_argument("--min-cols", type=int, default=int(os.environ.get("MAM_MIN_COLS", os.environ.get("MAM_MIN_PANE_COLS", 60))))
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parser.add_argument("--min-rows", type=int, default=int(os.environ.get("MAM_MIN_ROWS", os.environ.get("MAM_MIN_PANE_ROWS", 20))))
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parser.add_argument("--max-cols", type=int, default=None)
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parser.add_argument("--sample-pane", type=str, default=None)
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parser.add_argument("--json", action="store_true", help="Output full JSON decision")
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args = parser.parse_args()
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raw_input = sys.stdin.read().strip()
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data = {}
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if raw_input:
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try:
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data = json.loads(raw_input)
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except Exception:
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data = {}
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decision = compute_2xk_layout(
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data=data,
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min_cols=args.min_cols,
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min_rows=args.min_rows,
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max_columns=args.max_cols,
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default_anchor_id=args.sample_pane
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)
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if args.json:
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print(json.dumps({
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"target_pane_id": decision.target_pane_id,
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"direction": decision.direction,
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"is_overflow": decision.is_overflow,
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"reason": decision.reason
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}))
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else:
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if decision.target_pane_id:
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print(f"{decision.direction} {decision.target_pane_id}")
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else:
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print(decision.direction)
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if __name__ == "__main__":
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main()
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+12
-3
@@ -1,9 +1,9 @@
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# 🛠️ Multi-Agent Mux 종합 개선 및 미해결 과제 백로그 (`IMPROVEMENTS.md`)
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- **최종 갱신일**: 2026-08-23 (`nats-docker` 서브모듈 분리, B-19 헤드리스 레이아웃/리컨사일/Fast-path 게이팅 개선, 37/37 신규 가드 통과 유지)
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- **최종 갱신일**: 2026-08-23 (`nats-docker` 서브모듈 분리, B-20 2×K 그리드 TUI 레이아웃 엔진 lib_py/layout.py 공용화 및 lib.sh 인라인 정리 완료)
|
||||
- **통합 관리 대상**: 기존 `CODEBASE_REVIEW_REPORT.md` + `OPTIMIZATION.md` + `NATS_REPORT.md`
|
||||
- **총 추적 미해결 과제**: **5건** (아키텍처 1건: `A-2`, 엣지케이스 및 가용성 3건: `B-16`, `B-17`, `B-18`, 오케스트레이션 1건: `O-5`)
|
||||
- **완료된 과제**: **28건** (A-1, A-3, A-4, A-5, B-1, B-3, B-4, B-5, B-7, B-8, B-9, B-10, B-13, B-14, B-15, B-19, C-1, C-2, C-3b, C-6, O-1, O-2, O-3, O-4-OrcOnboard, O-6, Herdr-0.8.0-Compat-SanitizeHash, P2-1-DelegateJobSafe-TrapFix, P2-2-C3a-C4-LegacyCleanup)
|
||||
- **완료된 과제**: **29건** (A-1, A-3, A-4, A-5, B-1, B-3, B-4, B-5, B-7, B-8, B-9, B-10, B-13, B-14, B-15, B-19, B-20, C-1, C-2, C-3b, C-6, O-1, O-2, O-3, O-4-OrcOnboard, O-6, Herdr-0.8.0-Compat-SanitizeHash, P2-1-DelegateJobSafe-TrapFix, P2-2-C3a-C4-LegacyCleanup)
|
||||
|
||||
---
|
||||
|
||||
@@ -25,7 +25,16 @@
|
||||
|
||||
---
|
||||
|
||||
## 2. 🟠 엣지 케이스 및 런타임 버그 (Edge-case Bugs — 4건 / 완료 3건)
|
||||
## 2. 🟠 엣지 케이스 및 런타임 버그 (Edge-case Bugs — 5건 / 완료 4건)
|
||||
|
||||
### **B-20 (✅ 완료 — 2×K 그리드 TUI 레이아웃 엔진 `lib_py/layout.py` 공용화 및 `lib.sh` 인라인 레거시 정리)**
|
||||
- **현상**:
|
||||
- 기존 `lib.sh`에 ~30줄 이상의 인라인 Python 계산 스니펫이 하드코딩되어 있어, 헤드리스 모드 및 에이전트 수 증가에 따른 패널 배치가 비결정적이고 단위 테스트가 불가능했음.
|
||||
- Herdr 0.8.0 CLI가 `left`/`up` 방향을 지원하지 않고 `right`/`down`만 지원하는 제약에 부합하는 레이아웃 알고리즘 부재.
|
||||
- **조치 결과 (완료)**:
|
||||
- `.agents/skills/lib_py/layout.py` 공용 엔진 신설: 오른쪽 확장 2×K 그리드 알고리즘, 해상도 오버플로 가드(`min_cols=60`, `min_rows=20`), 헤드리스 0×0 결정론적 분할 지원.
|
||||
- `lib.sh`: 인라인 Python 스니펫을 `python3 -m lib_py.layout` 단일 호출로 교체하고 레거시 변수/주석 정리.
|
||||
- 회귀 가드: `tests/test_layout.py` (16개 단위/통합 테스트 100% 통과).
|
||||
|
||||
### **B-19 (✅ 완료 — 헤드리스 분할 레이아웃 0×0 예외 처리, reconcile SKILLS_DIR 누락 및 Fast-path 게이팅 보완)**
|
||||
- **현상**:
|
||||
|
||||
@@ -0,0 +1,338 @@
|
||||
import os
|
||||
import json
|
||||
import subprocess
|
||||
import sys
|
||||
import pytest
|
||||
|
||||
from lib_py.layout import (
|
||||
compute_2xk_layout,
|
||||
extract_panes_and_focus,
|
||||
LayoutDecision,
|
||||
PaneInfo,
|
||||
)
|
||||
|
||||
|
||||
def test_empty_or_malformed_json_fallback():
|
||||
d = compute_2xk_layout({}, default_anchor_id="pane-123")
|
||||
assert d.target_pane_id == "pane-123"
|
||||
assert d.direction == "right"
|
||||
assert not d.is_overflow
|
||||
|
||||
|
||||
def test_1_pane_split_down():
|
||||
payload = {
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 120, "height": 80}}
|
||||
]
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
|
||||
assert d.target_pane_id == "p1"
|
||||
assert d.direction == "down"
|
||||
assert not d.is_overflow
|
||||
|
||||
|
||||
def test_1_pane_height_constrained_splits_right():
|
||||
payload = {
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 160, "height": 30}}
|
||||
]
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
|
||||
assert d.target_pane_id == "p1"
|
||||
assert d.direction == "right"
|
||||
assert not d.is_overflow
|
||||
|
||||
|
||||
def test_1_pane_overflow():
|
||||
payload = {
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 50, "height": 30}}
|
||||
]
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
|
||||
assert d.target_pane_id == "p1"
|
||||
assert d.direction == "overflow"
|
||||
assert d.is_overflow
|
||||
|
||||
|
||||
def test_2_panes_to_3_panes_new_column_right():
|
||||
payload = {
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 160, "height": 40}},
|
||||
{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 160, "height": 40}}
|
||||
]
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
|
||||
assert d.target_pane_id == "p1"
|
||||
assert d.direction == "right"
|
||||
assert not d.is_overflow
|
||||
|
||||
|
||||
def test_3_panes_to_4_panes_fill_singleton():
|
||||
payload = {
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 80, "height": 40}},
|
||||
{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 80, "height": 40}},
|
||||
{"pane_id": "p3", "rect": {"x": 80, "y": 0, "width": 80, "height": 80}}
|
||||
]
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
|
||||
assert d.target_pane_id == "p3"
|
||||
assert d.direction == "down"
|
||||
assert not d.is_overflow
|
||||
|
||||
|
||||
def test_4_panes_to_5_panes_new_column():
|
||||
payload = {
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 120, "height": 40}},
|
||||
{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 120, "height": 40}},
|
||||
{"pane_id": "p3", "rect": {"x": 120, "y": 0, "width": 120, "height": 40}},
|
||||
{"pane_id": "p4", "rect": {"x": 120, "y": 40, "width": 120, "height": 40}}
|
||||
]
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
|
||||
assert d.target_pane_id == "p3"
|
||||
assert d.direction == "right"
|
||||
assert not d.is_overflow
|
||||
|
||||
|
||||
def test_4_panes_overflow_when_width_constrained():
|
||||
payload = {
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 60, "height": 40}},
|
||||
{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 60, "height": 40}},
|
||||
{"pane_id": "p3", "rect": {"x": 60, "y": 0, "width": 60, "height": 40}},
|
||||
{"pane_id": "p4", "rect": {"x": 60, "y": 40, "width": 60, "height": 40}}
|
||||
]
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
|
||||
assert d.direction == "overflow"
|
||||
assert d.is_overflow
|
||||
|
||||
|
||||
def test_max_columns_limit():
|
||||
payload = {
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 100, "height": 40}},
|
||||
{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 100, "height": 40}},
|
||||
{"pane_id": "p3", "rect": {"x": 100, "y": 0, "width": 100, "height": 40}},
|
||||
{"pane_id": "p4", "rect": {"x": 100, "y": 40, "width": 100, "height": 40}}
|
||||
]
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=30, min_rows=20, max_columns=2)
|
||||
assert d.direction == "overflow"
|
||||
assert d.is_overflow
|
||||
|
||||
|
||||
def test_headless_0x0_transitions():
|
||||
# N=1 -> down
|
||||
p1 = {"result": {"panes": [{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}}]}}
|
||||
assert compute_2xk_layout(p1).direction == "down"
|
||||
|
||||
# N=2 -> right
|
||||
p2 = {"result": {"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
|
||||
{"pane_id": "p2", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}}
|
||||
]}}
|
||||
assert compute_2xk_layout(p2).direction == "right"
|
||||
|
||||
# N=3 -> down
|
||||
p3 = {"result": {"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
|
||||
{"pane_id": "p2", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
|
||||
{"pane_id": "p3", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}}
|
||||
]}}
|
||||
assert compute_2xk_layout(p3).direction == "down"
|
||||
|
||||
# N=4 -> right
|
||||
p4 = {"result": {"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
|
||||
{"pane_id": "p2", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
|
||||
{"pane_id": "p3", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
|
||||
{"pane_id": "p4", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}}
|
||||
]}}
|
||||
assert compute_2xk_layout(p4).direction == "right"
|
||||
|
||||
|
||||
def test_real_herdr_080_nested_layout_format():
|
||||
payload = {
|
||||
"result": {
|
||||
"layout": {
|
||||
"area": {"height": 78, "width": 120, "x": 26, "y": 1},
|
||||
"focused_pane_id": "wK:p1",
|
||||
"panes": [
|
||||
{"pane_id": "wK:p1", "rect": {"height": 39, "width": 60, "x": 26, "y": 1, "focused": True}},
|
||||
{"pane_id": "wK:p2", "rect": {"height": 39, "width": 60, "x": 26, "y": 40, "focused": False}},
|
||||
{"pane_id": "wK:p3", "rect": {"height": 78, "width": 60, "x": 86, "y": 1, "focused": False}}
|
||||
],
|
||||
"splits": [{"direction": "right", "id": "split_0_root", "ratio": 0.5}],
|
||||
"workspace_id": "wK",
|
||||
"tab_id": "wK:t1",
|
||||
"zoomed": False
|
||||
},
|
||||
"type": "pane_layout"
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=30, min_rows=20)
|
||||
assert d.target_pane_id == "wK:p3"
|
||||
assert d.direction == "down"
|
||||
|
||||
|
||||
def test_cli_invocation_pipe():
|
||||
payload = json.dumps({
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 120, "height": 80}}
|
||||
]
|
||||
}
|
||||
})
|
||||
skills_dir = os.path.abspath(".agents/skills")
|
||||
env = {**os.environ, "PYTHONPATH": skills_dir}
|
||||
res = subprocess.run(
|
||||
[sys.executable, "-m", "lib_py.layout", "--min-cols", "60", "--min-rows", "20"],
|
||||
input=payload,
|
||||
capture_output=True,
|
||||
text=True,
|
||||
env=env
|
||||
)
|
||||
assert res.returncode == 0
|
||||
assert res.stdout.strip() == "down p1"
|
||||
|
||||
res_json = subprocess.run(
|
||||
[sys.executable, "-m", "lib_py.layout", "--json"],
|
||||
input=payload,
|
||||
capture_output=True,
|
||||
text=True,
|
||||
env=env
|
||||
)
|
||||
assert res_json.returncode == 0
|
||||
data = json.loads(res_json.stdout)
|
||||
assert data["target_pane_id"] == "p1"
|
||||
assert data["direction"] == "down"
|
||||
assert not data["is_overflow"]
|
||||
|
||||
|
||||
def test_lib_sh_no_local_in_shim_heredoc():
|
||||
"""Verify F-1: No 'local' declarations inside the top-level shim heredoc dispatcher."""
|
||||
import os
|
||||
lib_path = os.path.abspath(".agents/skills/lib.sh")
|
||||
with open(lib_path, "r", encoding="utf-8") as f:
|
||||
content = f.read()
|
||||
|
||||
start_idx = content.find("cat <<'EOF' > \"$tmp_file\"")
|
||||
end_idx = content.find("\nEOF\n", start_idx)
|
||||
assert start_idx != -1 and end_idx != -1
|
||||
|
||||
heredoc = content[start_idx:end_idx]
|
||||
# Check specifically in the layout block
|
||||
layout_idx = heredoc.find('split_dir=""')
|
||||
assert layout_idx != -1
|
||||
layout_block = heredoc[layout_idx:layout_idx + 800]
|
||||
assert "local " not in layout_block, f"Forbidden 'local' found in top-level shim heredoc:\n{layout_block}"
|
||||
|
||||
|
||||
def test_5_panes_to_6_panes_fill_singleton_in_3rd_column():
|
||||
"""Verify 5 panes (2x2 full + 1 singleton in 3rd col) -> splits 3rd col singleton down to make 2x3 grid."""
|
||||
payload = {
|
||||
"result": {
|
||||
"panes": [
|
||||
{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 80, "height": 40}},
|
||||
{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 80, "height": 40}},
|
||||
{"pane_id": "p3", "rect": {"x": 80, "y": 0, "width": 80, "height": 40}},
|
||||
{"pane_id": "p4", "rect": {"x": 80, "y": 40, "width": 80, "height": 40}},
|
||||
{"pane_id": "p5", "rect": {"x": 160, "y": 0, "width": 80, "height": 80}}
|
||||
]
|
||||
}
|
||||
}
|
||||
d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
|
||||
assert d.target_pane_id == "p5"
|
||||
assert d.direction == "down"
|
||||
assert not d.is_overflow
|
||||
|
||||
|
||||
def test_lib_sh_layout_split_in_set_e_subshell(tmp_path):
|
||||
"""Verify F-1 & F-2: lib.sh layout split block executes cleanly in set -euo pipefail top-level script."""
|
||||
import os
|
||||
skills_dir = os.path.abspath(".agents/skills")
|
||||
script = f"""#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
export PYTHONPATH="{skills_dir}"
|
||||
|
||||
_real_herdr() {{
|
||||
if [ "${{1:-}}" = "pane" ] && [ "${{2:-}}" = "layout" ]; then
|
||||
echo '{{"result": {{"panes": [{{"pane_id": "p1", "rect": {{"x": 0, "y": 0, "width": 120, "height": 80}}}}]}}}}'
|
||||
return 0
|
||||
fi
|
||||
return 1
|
||||
}}
|
||||
|
||||
sample_pane="p1"
|
||||
split_dir=""
|
||||
|
||||
# Exact snippet from lib.sh:429-435
|
||||
if [ -n "$sample_pane" ]; then
|
||||
layout_raw=$(_real_herdr pane layout --pane "$sample_pane" 2>/dev/null || echo "")
|
||||
read -r split_dir split_target < <(printf '%s' "$layout_raw" | python3 -m lib_py.layout --min-cols "${{MAM_MIN_PANE_COLS:-60}}" --min-rows "${{MAM_MIN_PANE_ROWS:-20}}" --sample-pane "$sample_pane" 2>/dev/null || echo "right $sample_pane")
|
||||
split_dir="${{split_dir:-right}}"
|
||||
sample_pane="${{split_target:-$sample_pane}}"
|
||||
fi
|
||||
|
||||
echo "SPLIT_DIR=$split_dir"
|
||||
echo "SAMPLE_PANE=$sample_pane"
|
||||
"""
|
||||
res = subprocess.run(["bash", "-c", script], capture_output=True, text=True)
|
||||
assert res.returncode == 0, f"Script failed with code {res.returncode}. Stderr: {res.stderr}"
|
||||
assert "SPLIT_DIR=down" in res.stdout
|
||||
assert "SAMPLE_PANE=p1" in res.stdout
|
||||
|
||||
|
||||
def test_real_generated_shim_layout_split(tmp_path):
|
||||
"""Verify generated shim executes layout.py without command not found or local aborts."""
|
||||
import os
|
||||
skills_dir = os.path.abspath(".agents/skills")
|
||||
ws_dir = str(tmp_path / "ws")
|
||||
os.makedirs(ws_dir, exist_ok=True)
|
||||
|
||||
test_script = f"""#!/usr/bin/env bash
|
||||
set -euo pipefail
|
||||
export WORKSPACE_ROOT="{ws_dir}"
|
||||
export SKILL_DIR="{skills_dir}"
|
||||
source "{skills_dir}/lib.sh"
|
||||
|
||||
_init_herdr_isolation
|
||||
|
||||
shim_path="$WORKSPACE_ROOT/.mam/shim/herdr"
|
||||
if [ ! -x "$shim_path" ]; then
|
||||
echo "ERROR: shim not generated or not executable" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Verify no 'local ' inside the shim heredoc body
|
||||
if grep -E '^[[:space:]]*local layout_' "$shim_path"; then
|
||||
echo "ERROR: 'local layout_' found in generated shim" >&2
|
||||
exit 1
|
||||
fi
|
||||
echo "SHIM_OK"
|
||||
"""
|
||||
res = subprocess.run(["bash", "-c", test_script], capture_output=True, text=True)
|
||||
assert res.returncode == 0, f"Shim test failed: {res.stderr}"
|
||||
assert "SHIM_OK" in res.stdout
|
||||
|
||||
|
||||
Reference in New Issue
Block a user