Files
weave-scope/render/container_test.go
2016-04-22 11:07:07 +01:00

101 lines
3.1 KiB
Go

package render_test
import (
"fmt"
"net"
"testing"
"github.com/weaveworks/scope/probe/docker"
"github.com/weaveworks/scope/probe/process"
"github.com/weaveworks/scope/render"
"github.com/weaveworks/scope/render/expected"
"github.com/weaveworks/scope/report"
"github.com/weaveworks/scope/test"
"github.com/weaveworks/scope/test/fixture"
"github.com/weaveworks/scope/test/reflect"
)
func TestMapProcess2Container(t *testing.T) {
for _, input := range []testcase{
{"empty", report.MakeNode("empty"), true},
{"basic process", report.MakeNodeWith("basic", map[string]string{process.PID: "201", docker.ContainerID: "a1b2c3"}), true},
{"uncontained", report.MakeNodeWith("uncontained", map[string]string{process.PID: "201", report.HostNodeID: report.MakeHostNodeID("foo")}), true},
} {
testMap(t, render.MapProcess2Container, input)
}
}
type testcase struct {
name string
n report.Node
ok bool
}
func testMap(t *testing.T, f render.MapFunc, input testcase) {
_, ipNet, err := net.ParseCIDR("1.2.3.0/16")
if err != nil {
t.Fatalf(err.Error())
}
localNetworks := report.Networks([]*net.IPNet{ipNet})
if have := f(input.n, localNetworks); input.ok != (len(have) > 0) {
name := input.name
if name == "" {
name = fmt.Sprintf("%v", input.n)
}
t.Errorf("%s: want %v, have %v", name, input.ok, have)
}
}
func TestContainerRenderer(t *testing.T) {
have := render.ContainerRenderer.Render(fixture.Report).Prune()
want := expected.RenderedContainers.Prune()
if !reflect.DeepEqual(want, have) {
t.Error(test.Diff(want, have))
}
}
func TestContainerFilterRenderer(t *testing.T) {
// tag on of the containers in the topology and ensure
// it is filtered out correctly.
input := fixture.Report.Copy()
input.Container.Nodes[fixture.ClientContainerNodeID] = input.Container.Nodes[fixture.ClientContainerNodeID].WithLatests(map[string]string{
docker.LabelPrefix + "works.weave.role": "system",
})
have := render.FilterSystem(render.ContainerRenderer).Render(input).Prune()
want := expected.RenderedContainers.Copy().Prune()
delete(want, fixture.ClientContainerNodeID)
if !reflect.DeepEqual(want, have) {
t.Error(test.Diff(want, have))
}
}
func TestContainerWithHostIPsRenderer(t *testing.T) {
input := fixture.Report.Copy()
input.Container.Nodes[fixture.ClientContainerNodeID] = input.Container.Nodes[fixture.ClientContainerNodeID].WithLatests(map[string]string{
docker.ContainerNetworkMode: "host",
})
nodes := render.ContainerWithHostIPsRenderer.Render(input)
// Test host network nodes get the host IPs added.
haveNode, ok := nodes[fixture.ClientContainerNodeID]
if !ok {
t.Fatal("Expected output to have the client container node")
}
have, ok := haveNode.Sets.Lookup(docker.ContainerIPs)
if !ok {
t.Fatal("Container had no IPs set.")
}
want := report.MakeStringSet("10.10.10.0")
if !reflect.DeepEqual(want, have) {
t.Error(test.Diff(want, have))
}
}
func TestContainerImageRenderer(t *testing.T) {
have := render.ContainerImageRenderer.Render(fixture.Report).Prune()
want := expected.RenderedContainerImages.Prune()
if !reflect.DeepEqual(want, have) {
t.Error(test.Diff(want, have))
}
}