Initial import of Dillo

test/html/driver.sh

@@ -0,0 +1,107 @@
+#!/bin/bash
+#
+# File: driver.sh
+#
+# Copyright (C) 2023-2024 Rodrigo Arias Mallo <rodarima@gmail.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+set -e
+set -x
+
+DILLOBIN=${DILLOBIN:-$TOP_BUILDDIR/src/dillo}
+
+if [ ! -e $DILLOBIN ]; then
+  echo missing dillo binary, set DILLOBIN with the path to dillo
+  exit 1
+fi
+
+magick_bin="convert"
+if command -v magick 2>&1 >/dev/null; then
+  magick_bin="magick"
+fi
+
+function render_page() {
+  htmlfile="$1"
+  outpic="$2"
+
+  "$DILLOBIN" -f "$htmlfile" &
+  dillopid=$!
+
+  # TODO: We need a better system to determine when the page loaded
+  sleep 1
+
+  # Capture only Dillo window
+  winid=$(xwininfo -all -root | awk '/Dillo:/ {print $1}')
+  if [ -z "$winid" ]; then
+    echo "cannot find Dillo window" >&2
+    exit 1
+  fi
+  xwd -id "$winid" -silent | ${magick_bin} xwd:- png:${outpic}
+
+  kill "$dillopid"
+}
+
+function test_file() {
+  html_file="$1"
+
+  if [ ! -e "$html_file" ]; then
+    echo "missing test file: $html_file"
+    exit 1
+  fi
+
+  ref_file="${html_file%.html}.ref.html"
+  if [ ! -e "$ref_file" ]; then
+    echo "missing reference file: $ref_file"
+    exit 1
+  fi
+
+  test_name=$(basename "$html_file")
+  wdir="${test_name}_wdir"
+
+  # Clean any previous files
+  rm -rf "$wdir"
+  mkdir -p "$wdir"
+
+  # Use a FIFO to read the display number
+  mkfifo "$wdir/display.fifo"
+  exec 6<> "$wdir/display.fifo"
+  Xvfb -screen 5 1024x768x24 -displayfd 6 &
+  xorgpid=$!
+
+  # Always kill Xvfb on exit
+  trap "kill $xorgpid" EXIT
+
+  read dispnum < "$wdir/display.fifo"
+  export DISPLAY=":$dispnum"
+
+  render_page "$html_file" "$wdir/html.png"
+  render_page "$ref_file" "$wdir/ref.png"
+
+  # AE = Absolute Error count of the number of different pixels
+  diffcount=$(compare -metric AE "$wdir/html.png" "$wdir/ref.png" "$wdir/diff.png" 2>&1 || true)
+
+  # The test passes only if both images are identical
+  if [ "$diffcount" = "0" ]; then
+    echo "OK"
+    ret=0
+  else
+    echo "FAIL"
+    ret=1
+  fi
+
+  exec 6>&-
+  rm "$wdir/display.fifo"
+
+  if [ -z "$DILLO_TEST_LEAVE_FILES" ]; then
+    rm -rf "$wdir"
+  fi
+
+  return $ret
+}
+
+test_file "$1"
+exit $?