@Test
public void invalidNodeNames() throws IOException {
dotWriter.beginGraph();
dotWriter.edge("a.b", "a c");
dotWriter.edge("a c", "a_d");
dotWriter.endGraph();
assertGraph(
""
+ "digraph G1 {\n"
+ " n2 [label=\"a.b\"];\n"
+ " n3 [label=\"a c\"];\n"
+ " n2 -> n3;\n"
+ " n3 -> a_d;\n"
+ "}\n");
}
@Test
public void defaultAttributes() throws IOException {
dotWriter.beginGraph();
dotWriter.nodeDefaults("color", "red");
dotWriter.edgeDefaults("style", "dotted");
dotWriter.edge("CoffeeMaker", "Heater");
dotWriter.endGraph();
assertGraph(
""
+ "digraph G1 {\n"
+ " node [color=red];\n"
+ " edge [style=dotted];\n"
+ " CoffeeMaker -> Heater;\n"
+ "}\n");
}
@Test
public void graphWithAttributes() throws IOException {
dotWriter.beginGraph();
dotWriter.edge("CoffeeMaker", "Heater", "style", "dotted", "color", "red");
dotWriter.edge("CoffeeMaker", "Pump");
dotWriter.node("CoffeeMaker", "shape", "box");
dotWriter.endGraph();
assertGraph(
""
+ "digraph G1 {\n"
+ " CoffeeMaker -> Heater [style=dotted;color=red];\n"
+ " CoffeeMaker -> Pump;\n"
+ " CoffeeMaker [shape=box];\n"
+ "}\n");
}
@Test
public void subgraph() throws IOException {
dotWriter.beginGraph("label", "10\" tall");
dotWriter.beginGraph("style", "filled", "color", "lightgrey");
dotWriter.edge("ElectricHeater", "Heater");
dotWriter.endGraph();
dotWriter.edge("CoffeeMaker", "Heater");
dotWriter.edge("CoffeeMaker", "Pump");
dotWriter.endGraph();
assertGraph(
""
+ "digraph G1 {\n"
+ " label = \"10\\\" tall\";\n"
+ " subgraph cluster2 {\n"
+ " style = filled;\n"
+ " color = lightgrey;\n"
+ " ElectricHeater -> Heater;\n"
+ " }\n"
+ " CoffeeMaker -> Heater;\n"
+ " CoffeeMaker -> Pump;\n"
+ "}\n");
}
