Add: unit test for non-empty as_dot()

1 files changed, 16 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index ef63932..ad803c0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -197,4 +197,20 @@ mod tests {
 }
 ");
     }
+
+    #[test]
+    fn simple_dot() {
+        let mut roadmap = Roadmap::new();
+        let first = Step::new("first", "");
+        let mut second = Step::new("second", "");
+        second.add_dependency("first");
+        roadmap.add_step(&first).unwrap();
+        roadmap.add_step(&second).unwrap();
+        assert_eq!(roadmap.as_dot().unwrap(), "digraph \"roadmap\" {
+first [label=\"\"];
+second [label=\"\"];
+first -> second;
+}
+");
+    }
 }