}{
		{
			name: "simple",
			uidToNode: map[types.UID]*node{
				types.UID("alpha"):   alphaNode(),
				types.UID("bravo"):   bravoNode(),
				types.UID("charlie"): charlieNode(),
			},
			expectNodes: []*dotVertex{
				NewDOTVertex(alphaNode()),
				NewDOTVertex(bravoNode()),
				NewDOTVertex(charlieNode()),
			},
			expectEdges: []dotEdge{
				{F: types.UID("alpha"), T: types.UID("bravo")},