Files
weave-scope/app/api_topologies_test.go
2015-10-27 11:30:40 +00:00

102 lines
2.4 KiB
Go

package main
import (
"bytes"
"encoding/gob"
"encoding/json"
"net/http/httptest"
"testing"
"k8s.io/kubernetes/pkg/api"
"github.com/weaveworks/scope/probe/kubernetes"
"github.com/weaveworks/scope/report"
"github.com/weaveworks/scope/test/fixture"
)
func TestAPITopology(t *testing.T) {
ts := httptest.NewServer(Router(StaticReport{}))
defer ts.Close()
body := getRawJSON(t, ts, "/api/topology")
var topologies []APITopologyDesc
if err := json.Unmarshal(body, &topologies); err != nil {
t.Fatalf("JSON parse error: %s", err)
}
equals(t, 3, len(topologies))
for _, topology := range topologies {
is200(t, ts, topology.URL)
for _, subTopology := range topology.SubTopologies {
is200(t, ts, subTopology.URL)
}
if have := topology.Stats.EdgeCount; have <= 0 {
t.Errorf("EdgeCount isn't positive for %s: %d", topology.Name, have)
}
if have := topology.Stats.NodeCount; have <= 0 {
t.Errorf("NodeCount isn't positive for %s: %d", topology.Name, have)
}
if have := topology.Stats.NonpseudoNodeCount; have <= 0 {
t.Errorf("NonpseudoNodeCount isn't positive for %s: %d", topology.Name, have)
}
}
}
func TestAPITopologyAddsKubernetes(t *testing.T) {
ts := httptest.NewServer(Router(StaticReport{}))
defer ts.Close()
body := getRawJSON(t, ts, "/api/topology")
var topologies []APITopologyDesc
if err := json.Unmarshal(body, &topologies); err != nil {
t.Fatalf("JSON parse error: %s", err)
}
equals(t, 3, len(topologies))
// Enable the kubernetes topologies
rpt := report.MakeReport()
rpt.Pod = report.MakeTopology()
rpt.Pod.Nodes[fixture.ClientPodNodeID] = kubernetes.NewPod(&api.Pod{
ObjectMeta: api.ObjectMeta{
Name: "pong-a",
Namespace: "ping",
Labels: map[string]string{"ponger": "true"},
},
Status: api.PodStatus{
HostIP: "1.2.3.4",
ContainerStatuses: []api.ContainerStatus{
{ContainerID: "container1"},
{ContainerID: "container2"},
},
},
}).GetNode()
buf := &bytes.Buffer{}
if err := gob.NewEncoder(buf).Encode(rpt); err != nil {
t.Fatalf("GOB encoding error: %s", err)
}
checkRequest(t, ts, "POST", "/api/report", buf.Bytes())
body = getRawJSON(t, ts, "/api/topology")
if err := json.Unmarshal(body, &topologies); err != nil {
t.Fatalf("JSON parse error: %s", err)
}
equals(t, 4, len(topologies))
found := false
for _, topology := range topologies {
if topology.Name == "Pods" {
found = true
break
}
}
if !found {
t.Error("Could not find pods topology")
}
}