339 lines
12 KiB
Python
339 lines
12 KiB
Python
import os
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import json
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import subprocess
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import sys
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import pytest
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from lib_py.layout import (
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compute_2xk_layout,
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extract_panes_and_focus,
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LayoutDecision,
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PaneInfo,
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)
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def test_empty_or_malformed_json_fallback():
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d = compute_2xk_layout({}, default_anchor_id="pane-123")
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assert d.target_pane_id == "pane-123"
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assert d.direction == "right"
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assert not d.is_overflow
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def test_1_pane_split_down():
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payload = {
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 120, "height": 80}}
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]
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}
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}
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d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
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assert d.target_pane_id == "p1"
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assert d.direction == "down"
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assert not d.is_overflow
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def test_1_pane_height_constrained_splits_right():
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payload = {
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 160, "height": 30}}
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]
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}
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}
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d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
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assert d.target_pane_id == "p1"
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assert d.direction == "right"
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assert not d.is_overflow
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def test_1_pane_overflow():
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payload = {
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 50, "height": 30}}
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]
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}
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}
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d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
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assert d.target_pane_id == "p1"
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assert d.direction == "overflow"
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assert d.is_overflow
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def test_2_panes_to_3_panes_new_column_right():
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payload = {
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 160, "height": 40}},
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{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 160, "height": 40}}
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]
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}
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}
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d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
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assert d.target_pane_id == "p1"
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assert d.direction == "right"
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assert not d.is_overflow
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def test_3_panes_to_4_panes_fill_singleton():
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payload = {
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 80, "height": 40}},
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{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 80, "height": 40}},
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{"pane_id": "p3", "rect": {"x": 80, "y": 0, "width": 80, "height": 80}}
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]
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}
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}
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d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
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assert d.target_pane_id == "p3"
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assert d.direction == "down"
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assert not d.is_overflow
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def test_4_panes_to_5_panes_new_column():
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payload = {
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 120, "height": 40}},
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{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 120, "height": 40}},
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{"pane_id": "p3", "rect": {"x": 120, "y": 0, "width": 120, "height": 40}},
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{"pane_id": "p4", "rect": {"x": 120, "y": 40, "width": 120, "height": 40}}
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]
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}
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}
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d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
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assert d.target_pane_id == "p3"
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assert d.direction == "right"
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assert not d.is_overflow
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def test_4_panes_overflow_when_width_constrained():
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payload = {
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 60, "height": 40}},
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{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 60, "height": 40}},
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{"pane_id": "p3", "rect": {"x": 60, "y": 0, "width": 60, "height": 40}},
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{"pane_id": "p4", "rect": {"x": 60, "y": 40, "width": 60, "height": 40}}
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]
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}
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}
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d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
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assert d.direction == "overflow"
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assert d.is_overflow
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def test_max_columns_limit():
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payload = {
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 100, "height": 40}},
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{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 100, "height": 40}},
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{"pane_id": "p3", "rect": {"x": 100, "y": 0, "width": 100, "height": 40}},
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{"pane_id": "p4", "rect": {"x": 100, "y": 40, "width": 100, "height": 40}}
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]
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}
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}
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d = compute_2xk_layout(payload, min_cols=30, min_rows=20, max_columns=2)
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assert d.direction == "overflow"
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assert d.is_overflow
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def test_headless_0x0_transitions():
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# N=1 -> down
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p1 = {"result": {"panes": [{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}}]}}
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assert compute_2xk_layout(p1).direction == "down"
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# N=2 -> right
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p2 = {"result": {"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
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{"pane_id": "p2", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}}
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]}}
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assert compute_2xk_layout(p2).direction == "right"
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# N=3 -> down
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p3 = {"result": {"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
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{"pane_id": "p2", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
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{"pane_id": "p3", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}}
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]}}
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assert compute_2xk_layout(p3).direction == "down"
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# N=4 -> right
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p4 = {"result": {"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
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{"pane_id": "p2", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
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{"pane_id": "p3", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}},
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{"pane_id": "p4", "rect": {"x": 0, "y": 0, "width": 0, "height": 0}}
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]}}
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assert compute_2xk_layout(p4).direction == "right"
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def test_real_herdr_080_nested_layout_format():
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payload = {
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"result": {
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"layout": {
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"area": {"height": 78, "width": 120, "x": 26, "y": 1},
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"focused_pane_id": "wK:p1",
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"panes": [
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{"pane_id": "wK:p1", "rect": {"height": 39, "width": 60, "x": 26, "y": 1, "focused": True}},
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{"pane_id": "wK:p2", "rect": {"height": 39, "width": 60, "x": 26, "y": 40, "focused": False}},
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{"pane_id": "wK:p3", "rect": {"height": 78, "width": 60, "x": 86, "y": 1, "focused": False}}
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],
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"splits": [{"direction": "right", "id": "split_0_root", "ratio": 0.5}],
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"workspace_id": "wK",
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"tab_id": "wK:t1",
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"zoomed": False
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},
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"type": "pane_layout"
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}
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}
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d = compute_2xk_layout(payload, min_cols=30, min_rows=20)
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assert d.target_pane_id == "wK:p3"
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assert d.direction == "down"
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def test_cli_invocation_pipe():
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payload = json.dumps({
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 120, "height": 80}}
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]
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}
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})
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skills_dir = os.path.abspath(".agents/skills")
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env = {**os.environ, "PYTHONPATH": skills_dir}
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res = subprocess.run(
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[sys.executable, "-m", "lib_py.layout", "--min-cols", "60", "--min-rows", "20"],
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input=payload,
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capture_output=True,
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text=True,
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env=env
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)
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assert res.returncode == 0
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assert res.stdout.strip() == "down p1"
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res_json = subprocess.run(
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[sys.executable, "-m", "lib_py.layout", "--json"],
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input=payload,
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capture_output=True,
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text=True,
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env=env
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)
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assert res_json.returncode == 0
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data = json.loads(res_json.stdout)
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assert data["target_pane_id"] == "p1"
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assert data["direction"] == "down"
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assert not data["is_overflow"]
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def test_lib_sh_no_local_in_shim_heredoc():
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"""Verify F-1: No 'local' declarations inside the top-level shim heredoc dispatcher."""
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import os
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lib_path = os.path.abspath(".agents/skills/lib.sh")
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with open(lib_path, "r", encoding="utf-8") as f:
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content = f.read()
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start_idx = content.find("cat <<'EOF' > \"$tmp_file\"")
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end_idx = content.find("\nEOF\n", start_idx)
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assert start_idx != -1 and end_idx != -1
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heredoc = content[start_idx:end_idx]
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# Check specifically in the layout block
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layout_idx = heredoc.find('split_dir=""')
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assert layout_idx != -1
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layout_block = heredoc[layout_idx:layout_idx + 800]
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assert "local " not in layout_block, f"Forbidden 'local' found in top-level shim heredoc:\n{layout_block}"
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def test_5_panes_to_6_panes_fill_singleton_in_3rd_column():
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"""Verify 5 panes (2x2 full + 1 singleton in 3rd col) -> splits 3rd col singleton down to make 2x3 grid."""
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payload = {
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"result": {
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"panes": [
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{"pane_id": "p1", "rect": {"x": 0, "y": 0, "width": 80, "height": 40}},
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{"pane_id": "p2", "rect": {"x": 0, "y": 40, "width": 80, "height": 40}},
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{"pane_id": "p3", "rect": {"x": 80, "y": 0, "width": 80, "height": 40}},
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{"pane_id": "p4", "rect": {"x": 80, "y": 40, "width": 80, "height": 40}},
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{"pane_id": "p5", "rect": {"x": 160, "y": 0, "width": 80, "height": 80}}
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]
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}
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}
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d = compute_2xk_layout(payload, min_cols=60, min_rows=20)
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assert d.target_pane_id == "p5"
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assert d.direction == "down"
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assert not d.is_overflow
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def test_lib_sh_layout_split_in_set_e_subshell(tmp_path):
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"""Verify F-1 & F-2: lib.sh layout split block executes cleanly in set -euo pipefail top-level script."""
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import os
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skills_dir = os.path.abspath(".agents/skills")
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script = f"""#!/usr/bin/env bash
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set -euo pipefail
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export PYTHONPATH="{skills_dir}"
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_real_herdr() {{
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if [ "${{1:-}}" = "pane" ] && [ "${{2:-}}" = "layout" ]; then
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echo '{{"result": {{"panes": [{{"pane_id": "p1", "rect": {{"x": 0, "y": 0, "width": 120, "height": 80}}}}]}}}}'
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return 0
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fi
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return 1
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}}
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sample_pane="p1"
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split_dir=""
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# Exact snippet from lib.sh:429-435
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if [ -n "$sample_pane" ]; then
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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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echo "SPLIT_DIR=$split_dir"
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echo "SAMPLE_PANE=$sample_pane"
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"""
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res = subprocess.run(["bash", "-c", script], capture_output=True, text=True)
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assert res.returncode == 0, f"Script failed with code {res.returncode}. Stderr: {res.stderr}"
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assert "SPLIT_DIR=down" in res.stdout
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assert "SAMPLE_PANE=p1" in res.stdout
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def test_real_generated_shim_layout_split(tmp_path):
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"""Verify generated shim executes layout.py without command not found or local aborts."""
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import os
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skills_dir = os.path.abspath(".agents/skills")
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ws_dir = str(tmp_path / "ws")
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os.makedirs(ws_dir, exist_ok=True)
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test_script = f"""#!/usr/bin/env bash
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set -euo pipefail
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export WORKSPACE_ROOT="{ws_dir}"
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export SKILL_DIR="{skills_dir}"
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source "{skills_dir}/lib.sh"
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_init_herdr_isolation
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shim_path="$WORKSPACE_ROOT/.mam/shim/herdr"
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if [ ! -x "$shim_path" ]; then
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echo "ERROR: shim not generated or not executable" >&2
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exit 1
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fi
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# Verify no 'local ' inside the shim heredoc body
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if grep -E '^[[:space:]]*local layout_' "$shim_path"; then
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echo "ERROR: 'local layout_' found in generated shim" >&2
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exit 1
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fi
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echo "SHIM_OK"
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"""
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res = subprocess.run(["bash", "-c", test_script], capture_output=True, text=True)
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assert res.returncode == 0, f"Shim test failed: {res.stderr}"
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assert "SHIM_OK" in res.stdout
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