# HG changeset patch
# User Chris Cannam
# Date 1553701287 0
# Node ID fc85b8e502ff1adb6724c03e25cf1c48cd3db68b
# Parent  5e668b61fbcc78618139db3b5f8465d60773f9b7
Add script to compare resaved session with original

diff -r 5e668b61fbcc -r fc85b8e502ff misc/test-session-export.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/test-session-export.sh	Wed Mar 27 15:41:27 2019 +0000
@@ -0,0 +1,75 @@
+#!/bin/bash
+#
+# Test that loading and re-saving a session does not change its contents
+# Must be run from same directory as the SV binary
+
+set -e
+
+session="$1"
+
+set -u
+
+sv="./sonic-visualiser"
+if [ ! -x "$sv" ]; then
+    echo "This script must be run from the directory containing the sonic-visualiser binary" 1>&2
+    exit 1
+fi
+
+if ! xmllint --version 2>/dev/null ; then
+    echo "Can't find required xmllint program (from libxml2 distribution)" 1>&2
+    exit 1
+fi
+
+version=$("$sv" -v 2>&1)
+adequate=no
+case "$version" in
+    [012].*) ;;
+    3.[012]) ;;
+    3.[012].*) ;;
+    [1-9]*) adequate=yes ;;
+    *) echo "Failed to query Sonic Visualiser version" 1>&2
+       exit 1 ;;
+esac
+if [ "$adequate" = "no" ]; then
+    echo "Sonic Visualiser version must be at least 3.3 (supporting --osc-script option)" 1>&2
+    exit 1
+fi
+
+if [ -z "$session" ]; then
+    echo "Usage: $0 <session.sv>" 1>&2
+    exit 2
+fi
+
+if [ ! -f "$session" ]; then
+    echo "Session file $session not found" 1>&2
+    exit 1
+fi
+
+tmpdir=$(mktemp -d)
+trap "rm -rf $tmpdir" 0
+
+input="$tmpdir/input.sv"
+inxml="$tmpdir/input.xml"
+output="$tmpdir/output.sv"
+outxml="$tmpdir/output.xml"
+
+cp "$session" "$input"
+
+cat > "$tmpdir/script" <<EOF
+/open "$input"
+/save "$output"
+/quit
+EOF
+
+"$sv" --no-splash --osc-script "$tmpdir/script"
+
+if [ ! -f "$output" ]; then
+    echo "ERROR: Failed to save session to $output at all!" 1>&2
+    exit 1
+fi
+
+bunzip2 -c "$input" | xmllint --format - > "$inxml"
+bunzip2 -c "$output" | xmllint --format - > "$outxml"
+
+sdiff -w 140 "$inxml" "$outxml"
+