diff --git a/testcases/t/lib/i3test.pm b/testcases/t/lib/i3test.pm
index 4b76b7f4..da3c1b28 100644
--- a/testcases/t/lib/i3test.pm
+++ b/testcases/t/lib/i3test.pm
@@ -19,7 +19,7 @@ use AnyEvent::I3;
 #use Exporter qw(import);
 use base 'Exporter';
 
-our @EXPORT = qw(get_workspace_names get_unused_workspace get_ws_content get_ws);
+our @EXPORT = qw(get_workspace_names get_unused_workspace get_ws_content get_ws get_focused);
 
 BEGIN {
     my $window_count = 0;
@@ -76,6 +76,28 @@ sub get_ws_content {
     return wantarray ? ($cons[0]->{nodes}, $cons[0]->{focus}) : $cons[0]->{nodes};
 }
 
+sub get_focused {
+    my ($ws) = @_;
+    my $i3 = i3("/tmp/nestedcons");
+    my $tree = $i3->get_workspaces->recv;
+
+    my @ws = map { @{$_->{nodes}} } @{$tree->{nodes}};
+    my @cons = grep { $_->{name} eq $ws } @ws;
+    my $con = $cons[0];
+
+    my @focused = @{$con->{focus}};
+    my $lf;
+    while (@focused > 0) {
+        $lf = $focused[0];
+        last unless defined($con->{focus});
+        @focused = @{$con->{focus}};
+        @cons = grep { $_->{id} == $lf } (@{$con->{nodes}}, @{$con->{'floating-nodes'}});
+        $con = $cons[0];
+    }
+
+    return $lf;
+}
+
 sub get_ws {
     my ($name) = @_;
     my $i3 = i3("/tmp/nestedcons");
@@ -85,5 +107,4 @@ sub get_ws {
     return $cons[0];
 }
 
-
 1