tests: Better error message if assert_files_equal fails

1 files changed, 13 insertions, 1 deletions

diff --git a/tests/libtest-core.sh b/tests/libtest-core.sh
index 2067343..0255b57 100644
--- a/tests/libtest-core.sh
+++ b/tests/libtest-core.sh
@@ -75,6 +75,18 @@ _fatal_print_file() {
     fatal "$@"
 }
 
+_fatal_print_files() {
+    file1="$1"
+    shift
+    file2="$1"
+    shift
+    ls -al "$file1" >&2
+    sed -e 's/^/# /' < "$file1" >&2
+    ls -al "$file2" >&2
+    sed -e 's/^/# /' < "$file2" >&2
+    fatal "$@"
+}
+
 assert_not_has_file () {
     if test -f "$1"; then
         _fatal_print_file "$1" "File '$1' exists"
@@ -137,7 +149,7 @@ assert_file_empty() {
 
 assert_files_equal() {
     if ! cmp "$1" "$2"; then
-        _fatal_print_file "$1" "File '$1' and '$2' is not equal"
+        _fatal_print_files "$1" "$2" "File '$1' and '$2' is not equal"
     fi
 }