@@ -0,0 +1,700 @@
+package guru.nidi.graphviz.engine;%0A%0Aimport guru.nidi.graphviz.model.Graph;%0Aimport org.junit.Test;%0A%0Aimport static guru.nidi.graphviz.model.Factory.graph;%0Aimport static guru.nidi.graphviz.model.Factory.node;%0Aimport static org.hamcrest.core.Is.is;%0Aimport static org.junit.Assert.*;%0A%0A/**%0A * Created by 10520312 on 07.04.2017.%0A */%0Apublic class GraphvizTest %7B%0A%0A    @Test%0A    public void methodChainCheck()%7B%0A        final Graph graph = graph().with(node(%22a%22).link(%22b%22));%0A%0A        final Graphviz graphviz = Graphviz.fromGraph(graph).height(20).width(30).scale(3);%0A%0A        assertThat(graphviz.width, is(30) );%0A        assertThat(graphviz.height, is(20) );%0A        assertThat(graphviz.scale, is(3d ));%0A    %7D%0A%7D

add test to demonstrate the issue