func child(t *testing.T, r render.Renderer, id string) detailed.NodeSummary {
s, ok := detailed.MakeNodeSummary(fixture.Report, r.Render(fixture.Report, render.FilterNoop)[id])
if !ok {
t.Fatalf("Expected node %s to be summarizable, but wasn't", id)
}
return s.SummarizeMetrics()
}
// Individual nodes.
func handleNode(ctx context.Context, renderer render.Renderer, _ render.Decorator, report report.Report, w http.ResponseWriter, r *http.Request) {
var (
vars = mux.Vars(r)
topologyID = vars["topology"]
nodeID = vars["id"]
rendered = renderer.Render(report, nil)
node, ok = rendered[nodeID]
)
if !ok {
http.NotFound(w, r)
return
}
respondWith(w, http.StatusOK, APINode{Node: detailed.MakeNode(topologyID, report, rendered, node)})
}
func benchmarkRender(b *testing.B, r render.Renderer) {
report, err := loadReport()
if err != nil {
b.Fatal(err)
}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
b.StopTimer()
render.ResetCache()
b.StartTimer()
benchmarkRenderResult = r.Render(report, render.FilterNoop)
if len(benchmarkRenderResult) == 0 {
b.Errorf("Rendered topology contained no nodes")
}
}
}
func decorateWithStats(rpt report.Report, renderer render.Renderer, decorator render.Decorator) topologyStats {
var (
nodes int
realNodes int
edges int
)
for _, n := range renderer.Render(rpt, decorator) {
nodes++
if n.Topology != render.Pseudo {
realNodes++
}
edges += len(n.Adjacency)
}
renderStats := renderer.Stats(rpt, decorator)
return topologyStats{
NodeCount: nodes,
NonpseudoNodeCount: realNodes,
EdgeCount: edges,
FilteredNodes: renderStats.FilteredNodes,
}
}
// Full topology.
func handleTopology(ctx context.Context, renderer render.Renderer, decorator render.Decorator, report report.Report, w http.ResponseWriter, r *http.Request) {
respondWith(w, http.StatusOK, APITopology{
Nodes: detailed.Summaries(report, renderer.Render(report, decorator)),
})
}