open-nomad/nomad/util_test.go

124 lines
2.5 KiB
Go

package nomad
import (
"net"
"reflect"
"testing"
"time"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/serf/serf"
)
func TestIsNomadServer(t *testing.T) {
m := serf.Member{
Name: "foo",
Addr: net.IP([]byte{127, 0, 0, 1}),
Tags: map[string]string{
"role": "nomad",
"region": "aws",
"dc": "east-aws",
"port": "10000",
"vsn": "1",
},
}
valid, parts := isNomadServer(m)
if !valid || parts.Region != "aws" ||
parts.Datacenter != "east-aws" || parts.Port != 10000 {
t.Fatalf("bad: %v %v", valid, parts)
}
if parts.Name != "foo" {
t.Fatalf("bad: %v", parts)
}
if parts.Bootstrap {
t.Fatalf("unexpected bootstrap")
}
if parts.Expect != 0 {
t.Fatalf("bad: %v", parts.Expect)
}
m.Tags["bootstrap"] = "1"
valid, parts = isNomadServer(m)
if !valid || !parts.Bootstrap {
t.Fatalf("expected bootstrap")
}
if parts.Addr.String() != "127.0.0.1:10000" {
t.Fatalf("bad addr: %v", parts.Addr)
}
if parts.Version != 1 {
t.Fatalf("bad: %v", parts)
}
m.Tags["expect"] = "3"
delete(m.Tags, "bootstrap")
valid, parts = isNomadServer(m)
if !valid || parts.Expect != 3 {
t.Fatalf("bad: %v", parts.Expect)
}
}
func TestRandomStagger(t *testing.T) {
intv := time.Minute
for i := 0; i < 10; i++ {
stagger := randomStagger(intv)
if stagger < 0 || stagger >= intv {
t.Fatalf("Bad: %v", stagger)
}
}
}
func TestShuffleStrings(t *testing.T) {
// Generate input
inp := make([]string, 10)
for idx := range inp {
inp[idx] = structs.GenerateUUID()
}
// Copy the input
orig := make([]string, len(inp))
copy(orig, inp)
// Shuffle
shuffleStrings(inp)
// Ensure order is not the same
if reflect.DeepEqual(inp, orig) {
t.Fatalf("shuffle failed")
}
}
func TestMaxUint64(t *testing.T) {
if maxUint64(1, 2) != 2 {
t.Fatalf("bad")
}
if maxUint64(2, 2) != 2 {
t.Fatalf("bad")
}
if maxUint64(2, 1) != 2 {
t.Fatalf("bad")
}
}
func TestRateScaledInterval(t *testing.T) {
min := 1 * time.Second
rate := 200.0
if v := rateScaledInterval(rate, min, 0); v != min {
t.Fatalf("Bad: %v", v)
}
if v := rateScaledInterval(rate, min, 100); v != min {
t.Fatalf("Bad: %v", v)
}
if v := rateScaledInterval(rate, min, 200); v != 1*time.Second {
t.Fatalf("Bad: %v", v)
}
if v := rateScaledInterval(rate, min, 1000); v != 5*time.Second {
t.Fatalf("Bad: %v", v)
}
if v := rateScaledInterval(rate, min, 5000); v != 25*time.Second {
t.Fatalf("Bad: %v", v)
}
if v := rateScaledInterval(rate, min, 10000); v != 50*time.Second {
t.Fatalf("Bad: %v", v)
}
}