open-consul/command/rtt_test.go

216 lines
4.9 KiB
Go

package command
import (
"fmt"
"strings"
"testing"
"time"
"github.com/hashicorp/consul/command/agent"
"github.com/hashicorp/consul/consul/structs"
"github.com/hashicorp/serf/coordinate"
"github.com/mitchellh/cli"
)
func TestRTTCommand_Implements(t *testing.T) {
var _ cli.Command = &RTTCommand{}
}
func TestRTTCommand_Run_BadArgs(t *testing.T) {
ui := new(cli.MockUi)
c := &RTTCommand{Ui: ui}
if code := c.Run([]string{}); code != 1 {
t.Fatalf("expected return code 1, got %d", code)
}
if code := c.Run([]string{"node1", "node2", "node3"}); code != 1 {
t.Fatalf("expected return code 1, got %d", code)
}
if code := c.Run([]string{"-wan", "node1", "node2"}); code != 1 {
t.Fatalf("expected return code 1, got %d", code)
}
if code := c.Run([]string{"-wan", "node1.dc1", "node2"}); code != 1 {
t.Fatalf("expected return code 1, got %d", code)
}
if code := c.Run([]string{"-wan", "node1", "node2.dc1"}); code != 1 {
t.Fatalf("expected return code 1, got %d", code)
}
}
func TestRTTCommand_Run_LAN(t *testing.T) {
updatePeriod := 10 * time.Millisecond
a := testAgentWithConfig(t, func(c *agent.Config) {
c.ConsulConfig.CoordinateUpdatePeriod = updatePeriod
})
defer a.Shutdown()
waitForLeader(t, a.httpAddr)
// Inject some known coordinates.
c1 := coordinate.NewCoordinate(coordinate.DefaultConfig())
c2 := c1.Clone()
c2.Vec[0] = 0.123
dist_str := fmt.Sprintf("%.3f ms", c1.DistanceTo(c2).Seconds()*1000.0)
{
req := structs.CoordinateUpdateRequest{
Datacenter: a.config.Datacenter,
Node: a.config.NodeName,
Coord: c1,
}
var reply struct{}
if err := a.agent.RPC("Coordinate.Update", &req, &reply); err != nil {
t.Fatalf("err: %s", err)
}
}
{
req := structs.RegisterRequest{
Datacenter: a.config.Datacenter,
Node: "dogs",
Address: "127.0.0.2",
}
var reply struct{}
if err := a.agent.RPC("Catalog.Register", &req, &reply); err != nil {
t.Fatalf("err: %s", err)
}
}
{
var reply struct{}
req := structs.CoordinateUpdateRequest{
Datacenter: a.config.Datacenter,
Node: "dogs",
Coord: c2,
}
if err := a.agent.RPC("Coordinate.Update", &req, &reply); err != nil {
t.Fatalf("err: %s", err)
}
}
// Wait for the updates to get flushed to the data store.
time.Sleep(2 * updatePeriod)
// Try two known nodes.
{
ui := new(cli.MockUi)
c := &RTTCommand{Ui: ui}
args := []string{
"-http-addr=" + a.httpAddr,
a.config.NodeName,
"dogs",
}
code := c.Run(args)
if code != 0 {
t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
}
// Make sure the proper RTT was reported in the output.
expected := fmt.Sprintf("rtt: %s", dist_str)
if !strings.Contains(ui.OutputWriter.String(), expected) {
t.Fatalf("bad: %#v", ui.OutputWriter.String())
}
}
// Default to the agent's node.
{
ui := new(cli.MockUi)
c := &RTTCommand{Ui: ui}
args := []string{
"-http-addr=" + a.httpAddr,
"dogs",
}
code := c.Run(args)
if code != 0 {
t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
}
// Make sure the proper RTT was reported in the output.
expected := fmt.Sprintf("rtt: %s", dist_str)
if !strings.Contains(ui.OutputWriter.String(), expected) {
t.Fatalf("bad: %#v", ui.OutputWriter.String())
}
}
// Try an unknown node.
{
ui := new(cli.MockUi)
c := &RTTCommand{Ui: ui}
args := []string{
"-http-addr=" + a.httpAddr,
a.config.NodeName,
"nope",
}
code := c.Run(args)
if code != 1 {
t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
}
}
}
func TestRTTCommand_Run_WAN(t *testing.T) {
a := testAgent(t)
defer a.Shutdown()
waitForLeader(t, a.httpAddr)
node := fmt.Sprintf("%s.%s", a.config.NodeName, a.config.Datacenter)
// We can't easily inject WAN coordinates, so we will just query the
// node with itself.
{
ui := new(cli.MockUi)
c := &RTTCommand{Ui: ui}
args := []string{
"-wan",
"-http-addr=" + a.httpAddr,
node,
node,
}
code := c.Run(args)
if code != 0 {
t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
}
// Make sure there was some kind of RTT reported in the output.
if !strings.Contains(ui.OutputWriter.String(), "rtt: ") {
t.Fatalf("bad: %#v", ui.OutputWriter.String())
}
}
// Default to the agent's node.
{
ui := new(cli.MockUi)
c := &RTTCommand{Ui: ui}
args := []string{
"-wan",
"-http-addr=" + a.httpAddr,
node,
}
code := c.Run(args)
if code != 0 {
t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
}
// Make sure there was some kind of RTT reported in the output.
if !strings.Contains(ui.OutputWriter.String(), "rtt: ") {
t.Fatalf("bad: %#v", ui.OutputWriter.String())
}
}
// Try an unknown node.
{
ui := new(cli.MockUi)
c := &RTTCommand{Ui: ui}
args := []string{
"-wan",
"-http-addr=" + a.httpAddr,
node,
"dc1.nope",
}
code := c.Run(args)
if code != 1 {
t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
}
}
}