open-consul/consul/util_test.go

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package consul
import (
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"net"
"regexp"
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"testing"
"time"
"github.com/hashicorp/serf/serf"
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)
func TestStrContains(t *testing.T) {
l := []string{"a", "b", "c"}
if !strContains(l, "b") {
t.Fatalf("should contain")
}
if strContains(l, "d") {
t.Fatalf("should not contain")
}
}
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func TestToLowerList(t *testing.T) {
l := []string{"ABC", "Abc", "abc"}
for _, value := range ToLowerList(l) {
if value != "abc" {
t.Fatalf("failed lowercasing")
}
}
}
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func TestIsPrivateIP(t *testing.T) {
if !isPrivateIP("192.168.1.1") {
t.Fatalf("bad")
}
if !isPrivateIP("172.16.45.100") {
t.Fatalf("bad")
}
if !isPrivateIP("10.1.2.3") {
t.Fatalf("bad")
}
if isPrivateIP("8.8.8.8") {
t.Fatalf("bad")
}
if isPrivateIP("127.0.0.1") {
t.Fatalf("bad")
}
}
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func TestIsConsulServer(t *testing.T) {
m := serf.Member{
Name: "foo",
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Addr: net.IP([]byte{127, 0, 0, 1}),
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Tags: map[string]string{
"role": "consul",
"dc": "east-aws",
"port": "10000",
"vsn": "1",
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},
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}
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valid, parts := isConsulServer(m)
if !valid || parts.Datacenter != "east-aws" || parts.Port != 10000 {
t.Fatalf("bad: %v %v", valid, parts)
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}
if parts.Name != "foo" {
t.Fatalf("bad: %v", parts)
}
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if parts.Bootstrap {
t.Fatalf("unexpected bootstrap")
}
if parts.Expect != 0 {
t.Fatalf("bad: %v", parts.Expect)
}
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m.Tags["bootstrap"] = "1"
valid, parts = isConsulServer(m)
if !valid || !parts.Bootstrap {
t.Fatalf("expected bootstrap")
}
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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 = isConsulServer(m)
if !valid || parts.Expect != 3 {
t.Fatalf("bad: %v", parts.Expect)
}
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}
func TestIsConsulNode(t *testing.T) {
m := serf.Member{
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Tags: map[string]string{
"role": "node",
"dc": "east-aws",
},
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}
valid, dc := isConsulNode(m)
if !valid || dc != "east-aws" {
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t.Fatalf("bad: %v %v", valid, dc)
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}
}
func TestByteConversion(t *testing.T) {
var val uint64 = 2 << 50
raw := uint64ToBytes(val)
if bytesToUint64(raw) != val {
t.Fatalf("no match")
}
}
func TestGenerateUUID(t *testing.T) {
prev := generateUUID()
for i := 0; i < 100; i++ {
id := generateUUID()
if prev == id {
t.Fatalf("Should get a new ID!")
}
matched, err := regexp.MatchString(
"[\\da-f]{8}-[\\da-f]{4}-[\\da-f]{4}-[\\da-f]{4}-[\\da-f]{12}", id)
if !matched || err != nil {
t.Fatalf("expected match %s %v %s", id, matched, err)
}
}
}
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)
}
}
}