Ely Office: six offline-first desktop apps in Rust and GPUI

ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git),
ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.

tests/scripts/mark-session.sh

@@ -0,0 +1,166 @@
+#!/usr/bin/env bash
+# QA-21: a save keeps bytes no edit touched.
+set -euo pipefail
+
+root=$(cd "$(dirname "$0")/../.." && pwd)
+[ "$(uname)" = Darwin ] || { echo "SKIP: macOS only"; exit 0; }
+[ -d "${ELY_CEF:-$root/engines/cef}/Chromium Embedded Framework.framework" ] || {
+  echo "SKIP: no CEF; run scripts/fetch-cef.sh"
+  exit 0
+}
+command -v npm >/dev/null || { echo "SKIP: no npm"; exit 0; }
+work=$(mktemp -d)
+app=
+trap 'if [ -n "$app" ]; then kill "$app" 2>/dev/null || true; wait "$app" 2>/dev/null || true; fi; chmod -R u+rw "$work"; rm -rf "$work"' EXIT
+fail() {
+  echo "FAIL: $*" >&2
+  exit 1
+}
+
+"$root/scripts/build-mark-content.sh" >"$work/build" 2>&1 || fail "build: $(tail -n 5 "$work/build")"
+cargo build -q -p ely-mark --manifest-path "$root/Cargo.toml"
+swiftc -O -o "$work/press" "$root/tests/scripts/ax-press.swift"
+waits() {
+  for _ in $(seq 200); do
+    grep -qF "$1" "$work/err" && return 0
+    kill -0 "$app" 2>/dev/null || break
+    sleep 0.25
+  done
+  fail "never saw '$1': $(grep -E 'mark|office' "$work/err" | tail -n 5)"
+}
+# Starts ElyMark on `file`; it must show visually.
+launch() {
+  : >"$work/err"
+  ELY_LOG=info ELY_LOCALE=en ELY_NO_DIALOG=1 HOME="$work" XDG_DATA_HOME="$work/data" \
+    "$root/target/debug/ely-mark" "$1" >"$work/out" 2>"$work/err" &
+  app=$!
+}
+shown() {
+  waits "mark: shown as"
+  grep -qF 'mark: shown as "visual", fallback false' "$work/err" ||
+    fail "not shown visually: $(grep 'mark: shown' "$work/err")"
+  osascript -e "tell application \"System Events\" to set frontmost of (first process whose unix id is $app) to true" \
+    -e 'delay 0.5' >/dev/null
+}
+type() { osascript -e "tell application \"System Events\" to $1" -e 'delay 1' >/dev/null; }
+save_quit() {
+  type 'keystroke "s" using command down'
+  waits "office: saved"
+  osascript -e 'tell application "System Events" to keystroke "q" using command down' >/dev/null
+  for _ in $(seq 40); do
+    kill -0 "$app" 2>/dev/null || break
+    sleep 0.25
+  done
+  ! kill -0 "$app" 2>/dev/null || fail "ElyMark did not quit"
+  app=
+  ! grep -q "panicked" "$work/err" || fail "panics: $(grep -m3 panicked "$work/err")"
+}
+# Saves `name` after `keys`; it must equal `want`.
+check() {
+  local name=$1 text=$2 keys=$3 want=$4
+  printf '%s' "$text" >"$work/$name"
+  launch "$work/$name"
+  shown
+  [ -z "$keys" ] || type "$keys"
+  save_quit
+  [ "$(cat "$work/$name"; echo .)" = "$want." ] || fail "$name saved as: $(cat "$work/$name")"
+}
+
+# BOM, CRLF, front matter and syntax Milkdown rewrites.
+python3 - "$work/keep.md" <<'PY'
+import sys
+text = """---
+title: Keep
+tags: [a, b]
+---
+First paragraph.
+
+Setext
+======
+
+1) paren list
+2) second
+
+* star
+* list
+
+<div align="center">
+  <b>html</b>
+</div>
+
+See [[Wiki Link]], ~sub~ and [a ref][r].  
+next line
+
+[r]: https://example.com "T"
+
+Last paragraph.
+"""
+open(sys.argv[1], "wb").write(b"\xef\xbb\xbf" + text.replace("\n", "\r\n").encode())
+PY
+cp "$work/keep.md" "$work/plain.md"
+launch "$work/plain.md"
+shown
+save_quit
+cmp -s "$work/keep.md" "$work/plain.md" || fail "an unedited save changed bytes"
+cp "$work/keep.md" "$work/edited.md"
+launch "$work/edited.md"
+shown
+type 'keystroke "x"'
+save_quit
+python3 - "$work/keep.md" "$work/edited.md" <<'PY'
+import sys
+before, after = (open(path, "rb").read() for path in sys.argv[1:])
+want = before.replace(b"First paragraph.", b"xFirst paragraph.", 1)
+if after != want:
+    sys.exit(f"FAIL: the edit rewrote more than its block:\n{after!r}")
+PY
+
+# Blocks Milkdown would rewrite are edited as raw text.
+check wiki.md $'Alpha with [[Wiki Link]].\n' 'keystroke "x"' $'xAlpha with [[Wiki Link]].\n'
+quote=$'> First.\n>\n> Setext\n> ======\n>\n> Last with [[Wiki]].\n'
+check quote.md "$quote" 'keystroke "x"' "x$quote"
+check defs.md $'[r]: https://example.com\n' 'keystroke "x"' $'x[r]: https://example.com\n'
+# Deleting forward at a hidden definition moves nothing.
+gap=$'Alpha.\n\n[r]: /path " T "   \n\nBeta.\n\nTail.\n'
+check gap.md "$gap" 'key code 119' "$gap"
+printf '%s' "$gap" >"$work/gap2.md"
+launch "$work/gap2.md"
+shown
+type 'key code 119'
+type 'key code 117'
+save_quit
+[ "$(cat "$work/gap2.md"; echo .)" = "$gap." ] || fail "the definition moved: $(cat "$work/gap2.md")"
+
+# A reloaded page's edits still save.
+printf 'Alpha.\n' >"$work/crash.md"
+launch "$work/crash.md"
+shown
+# Two versions first: the new page counts from one.
+type 'keystroke "x"'
+type 'keystroke "z"'
+pkill -P "$app" -f -- "--type=renderer" || fail "no renderer to stop"
+pressed=
+for _ in $(seq 40); do
+  [ "$("$work/press" "$app" Reload)" = pressed ] && pressed=1 && break
+  sleep 0.25
+done
+[ -n "$pressed" ] || fail "no Reload button"
+for _ in $(seq 80); do
+  [ "$(grep -c 'mark: shown as' "$work/err")" -ge 2 ] && break
+  sleep 0.25
+done
+osascript -e "tell application \"System Events\" to set frontmost of (first process whose unix id is $app) to true" >/dev/null
+type 'keystroke "y"'
+save_quit
+grep -q "y" "$work/crash.md" || fail "an edit after reload was lost: $(cat "$work/crash.md")"
+
+# An unreadable file says so; no password is asked.
+printf 'secret\n' >"$work/denied.md"
+chmod 000 "$work/denied.md"
+launch "$work/denied.md"
+waits "did not open"
+grep -q "Permission denied" "$work/err" || fail "the reason is missing: $(grep 'did not open' "$work/err")"
+! grep -q "locked" "$work/err" || fail "taken for a locked file"
+kill "$app"
+app=
+echo "ok: mark session"