load: catch missing error

Makefile

@@ -11,8 +11,8 @@ test: converge samples/*.hcl samples/errors/*.hcl
 	./converge fmt --check samples/*.hcl
 
 samples/errors/*.hcl: converge
-	@echo === planning $@ should fail ===
-	./converge plan $@ || exit 0 && exit 1
+	@echo === validating $@ should fail ==
+	./converge validate $@ || exit 0 && exit 1
 
 samples/%.png: samples/% converge
 	./converge graph $< | dot -Tpng -o$@

load/load.go

@@ -88,6 +88,9 @@ func Load(source string, args resource.Values) (*Graph, error) {
 	err = graph.Walk(func(path string, res resource.Resource) error {
 		return res.Validate()
 	})
+	if err != nil {
+		return nil, err
+	}
 
 	return graph, nil
 }