Add screenshot test

Makefile.am

@@ -186,6 +186,8 @@ test-x: ${bin_PROGRAMS}
 	$(top_srcdir)/test/run_test.sh 208 $(top_srcdir)/test/run_dmenu_empty.sh $(top_builddir)
 	echo "Test multiple select"
 	$(top_srcdir)/test/run_test.sh 209 $(top_srcdir)/test/run_dmenu_issue_292.sh $(top_builddir)
+	echo "Test screenshot"
+	$(top_srcdir)/test/run_test.sh 210 $(top_srcdir)/test/run_screenshot_test.sh $(top_builddir)
 	echo "End tests"
 
 

source/rofi.c

@@ -613,14 +613,15 @@ static int locate_switcher ( KeySym key, unsigned int modstate )
  */
 static void menu_capture_screenshot ( void )
 {
+    const char *outp  = g_getenv ( "ROFI_PNG_OUTPUT" );
     if ( surface == NULL ) {
         // Nothing to store.
         fprintf ( stderr, "There is no rofi surface to store\n" );
         return;
     }
     const char *xdg_pict_dir = g_get_user_special_dir ( G_USER_DIRECTORY_PICTURES );
-    if ( xdg_pict_dir == NULL ) {
-        fprintf ( stderr, "XDG user picture directory is not set. Cannot store screenshot.\n" );
+    if ( outp == NULL && xdg_pict_dir == NULL ) {
+        fprintf ( stderr, "XDG user picture directory or ROFI_PNG_OUTPUT is not set. Cannot store screenshot.\n" );
         return;
     }
     // Get current time.
@@ -630,7 +631,6 @@ static void menu_capture_screenshot ( void )
     char       *filename = g_strdup_printf ( "%s.png", timestmp );
     // Build full path
     char       *fpath = NULL;
-    const char *outp  = g_getenv ( "ROFI_PNG_OUTPUT" );
     if ( outp == NULL ) {
         int index = 0;
         fpath = g_build_filename ( xdg_pict_dir, filename, NULL );

test/run_dmenu_custom_test.sh

@@ -1,6 +1,5 @@
 #!/usr/bin/env bash
 
-xrdb -load ../doc/example.xresources 
 echo -e -n "aap\nnoot\nmies" | rofi -width -30 -dmenu > output.txt & 
 RPID=$!
 

test/run_screenshot_test.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+export ROFI_PNG_OUTPUT=out.png
+rofi -show run   &
+RPID=$!
+
+# send enter.
+sleep 5;
+xdotool key 't' 
+sleep 0.4
+xdotool key 'r'
+sleep 0.4
+xdotool key 'u'
+sleep 0.4
+xdotool key Alt+Shift+s
+sleep 0.4
+xdotool key Return
+
+#  Get result, kill xvfb
+wait ${RPID}
+RETV=$?
+
+if [ ! -f out.png ]
+then
+    echo "Failed to create screenshot"
+    exit 1
+fi
+exit ${RETV}

test/run_test.sh

@@ -28,7 +28,7 @@ fi
 create_fake_x "$1"
 if [ -n "$4" ]
 then
-    xrdb -load "$4"
+    xrdb -load -retain "$4"
 fi
 echo "$DISPLAY"
 $2