1 files changed, 95 insertions, 0 deletions
diff --git a/test/html/driver.sh b/test/html/driver.sh
new file mode 100755
index 00000000..3ab37e41
--- /dev/null
+++ b/test/html/driver.sh
@@ -0,0 +1,95 @@
+#!/bin/bash
+#
+# File: driver.sh
+#
+# Copyright (C) 2023 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
+
+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 "$winid" -silent | convert xwd:- png:${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 "$html_file")
+
+  wdir=$(mktemp -d "${test_name}_XXX")
+
+  # 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 $wdir/diff.png 2>&1)
+
+  # The test passes only if both images are identical
+  if [ "$diffcount" = "0" ]; then
+    echo "OK"
+    ret=0
+  else
+    echo "FAIL"
+    ret=1
+  fi
+
+  exec 6>&-
+  rm $wdir/display.fifo
+
+  return $ret
+}
+
+test_file "$1"
+exit $?