Files
Panama/tests/quickshell/display-arrangement-contract.sh
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#!/usr/bin/env bash
set -euo pipefail
repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
component="$repo_dir/config/dot/quickshell/modules/settings/DisplayArrangement.qml"
page="$repo_dir/config/dot/quickshell/modules/settings/DisplaysPage.qml"
harness="$repo_dir/config/dot/quickshell/display-arrangement-harness.qml"
identify="$repo_dir/config/dot/quickshell/modules/settings/DisplayIdentify.qml"
service="$repo_dir/config/dot/quickshell/services/Displays.qml"
shell="$repo_dir/config/dot/quickshell/shell.qml"
fail() {
printf 'display arrangement contract: %s\n' "$1" >&2
exit 1
}
[[ -f "$component" ]] || fail 'DisplayArrangement.qml is missing'
for contract in \
'required property var displayService' \
'property var draftLayout:' \
'function setDraftPosition(' \
'function nudge(' \
'function applyDraft(' \
'function makePrimary(' \
'Accessible.name: "Move "' \
'DragHandler {' \
'Keys.onPressed:'; do
rg -Fq "$contract" "$component" \
|| fail "arrangement interaction is missing: $contract"
done
rg -Fq 'DisplayArrangement {' "$page" \
|| fail 'Displays page does not expose the arrangement canvas'
rg -Fq 'visible: Displays.monitors.length > 1' "$page" \
|| fail 'arrangement is shown for a single display'
[[ -f "$identify" ]] || fail 'DisplayIdentify.qml is missing'
for contract in \
'model: Quickshell.screens' \
'WlrLayershell.keyboardFocus: WlrKeyboardFocus.None' \
'mask: Region {}' \
'visible: Displays.identifying' \
'text: String(win.number)' \
'text: win.connector'; do
rg -Fq "$contract" "$identify" \
|| fail "display identification overlay is incomplete: $contract"
done
rg -Fq 'DisplayIdentify {}' "$shell" \
|| fail 'display identification overlays are not shell-owned'
rg -Fq 'function identify()' "$service" \
&& rg -Fq 'interval: 3000' "$service" \
|| fail 'display identification does not use one three-second service timer'
state_home="$(mktemp -d /tmp/panama-display-arrangement-state.XXXXXX)"
harness_pid=""
cleanup() {
[[ "$harness_pid" =~ ^[0-9]+$ ]] && kill "$harness_pid" 2>/dev/null || true
rm -rf "$state_home"
}
trap cleanup EXIT
XDG_STATE_HOME="$state_home" qs -p "$harness" --daemonize >/dev/null
for _ in $(seq 1 60); do
harness_pid="$(qs list --all 2>/dev/null | awk -v expected="$harness" '
/^Instance / {pid=""} /^[[:space:]]*Process ID:/ {pid=$3}
/^[[:space:]]*Config path:/ {path=$0; sub(/^[[:space:]]*Config path: /,"",path); if(path==expected) print pid}' | head -1)"
[[ "$harness_pid" =~ ^[0-9]+$ ]] \
&& XDG_STATE_HOME="$state_home" qs -p "$harness" ipc --pid "$harness_pid" show 2>/dev/null \
| rg -q '^target display-arrangement-test$' && break
sleep 0.1
done
[[ "$harness_pid" =~ ^[0-9]+$ ]] || fail 'arrangement harness did not start'
ipc() {
XDG_STATE_HOME="$state_home" qs -p "$harness" ipc --pid "$harness_pid" \
call display-arrangement-test "$@"
}
wide="$(ipc status 800)"
narrow="$(ipc status 500)"
for snapshot in "$wide" "$narrow"; do
jq -e '(.rects | length) == 2
and .scale > 0
and (.rects[0].width / .rects[0].height - 1.5 | fabs) < 0.0001
and (.rects[1].width / .rects[1].height - (2560 / 1440) | fabs) < 0.0001' \
<<<"$snapshot" >/dev/null \
|| fail "canvas lost monitor geometry at a supported width: $snapshot"
done
drag="$(ipc dragFixture)"
jq -e '.[0].x == 0 and .[1].x == 3000' <<<"$drag" >/dev/null \
|| fail "drag release did not snap and apply the complete layout: $drag"
keyboard="$(ipc keyboardFixture)"
jq -e '.afterArrow == 2990 and .afterShiftArrow == 2890' <<<"$keyboard" >/dev/null \
|| fail "keyboard movement did not use 10/100 logical-pixel steps: $keyboard"
primary="$(ipc primaryFixture)"
jq -e '. == [
{"name":"DP-2","x":-3000,"y":0,"primary":false},
{"name":"HDMI-A-1","x":0,"y":0,"primary":true}
]' <<<"$primary" >/dev/null \
|| fail "Make primary did not normalize the selected output to 0,0: $primary"
ipc identify >/dev/null
[[ "$(ipc identifying)" == "true" ]] \
|| fail 'identify did not reveal the overlays'
sleep 3.2
[[ "$(ipc identifying)" == "false" ]] \
|| fail 'identify overlays did not disappear after one three-second timer'
printf 'display arrangement contract: PASS\n'