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2021-10-12 12:55:53 +01:00

136 lines
3.2 KiB
Go

package nats
import (
"os"
"strings"
"testing"
"github.com/go-log/log"
"go-micro.dev/v4/server"
"go-micro.dev/v4/transport"
"github.com/nats-io/nats.go"
)
var addrTestCases = []struct {
name string
description string
addrs map[string]string // expected address : set address
}{
{
"transportOption",
"set broker addresses through a transport.Option",
map[string]string{
"nats://192.168.10.1:5222": "192.168.10.1:5222",
"nats://10.20.10.0:4222": "10.20.10.0:4222"},
},
{
"natsOption",
"set broker addresses through the nats.Option",
map[string]string{
"nats://192.168.10.1:5222": "192.168.10.1:5222",
"nats://10.20.10.0:4222": "10.20.10.0:4222"},
},
{
"default",
"check if default Address is set correctly",
map[string]string{
"nats://127.0.0.1:4222": ""},
},
}
// This test will check if options (here nats addresses) set through either
// transport.Option or via nats.Option are successfully set.
func TestInitAddrs(t *testing.T) {
for _, tc := range addrTestCases {
t.Run(tc.name, func(t *testing.T) {
var tr transport.Transport
var addrs []string
for _, addr := range tc.addrs {
addrs = append(addrs, addr)
}
switch tc.name {
case "transportOption":
// we know that there are just two addrs in the dict
tr = NewTransport(transport.Addrs(addrs[0], addrs[1]))
case "natsOption":
nopts := nats.GetDefaultOptions()
nopts.Servers = addrs
tr = NewTransport(Options(nopts))
case "default":
tr = NewTransport()
}
ntport, ok := tr.(*ntport)
if !ok {
t.Fatal("Expected broker to be of types *nbroker")
}
// check if the same amount of addrs we set has actually been set
if len(ntport.addrs) != len(tc.addrs) {
t.Errorf("Expected Addr count = %d, Actual Addr count = %d",
len(ntport.addrs), len(tc.addrs))
}
for _, addr := range ntport.addrs {
_, ok := tc.addrs[addr]
if !ok {
t.Errorf("Expected '%s' has not been set", addr)
}
}
})
}
}
var listenAddrTestCases = []struct {
name string
address string
mustPass bool
}{
{"default address", server.DefaultAddress, true},
{"nats.NewInbox", nats.NewInbox(), true},
{"correct service name", "micro.test.myservice", true},
{"several space chars", "micro.test.my new service", false},
{"one space char", "micro.test.my oldservice", false},
{"empty", "", false},
}
func TestListenAddr(t *testing.T) {
natsURL := os.Getenv("NATS_URL")
if natsURL == "" {
log.Logf("NATS_URL is undefined - skipping tests")
return
}
for _, tc := range listenAddrTestCases {
t.Run(tc.address, func(t *testing.T) {
nOpts := nats.GetDefaultOptions()
nOpts.Servers = []string{natsURL}
nTport := ntport{
nopts: nOpts,
}
trListener, err := nTport.Listen(tc.address)
if err != nil {
if tc.mustPass {
t.Fatalf("%s (%s) is not allowed", tc.name, tc.address)
}
// correctly failed
return
}
if trListener.Addr() != tc.address {
//special case - since an always string will be returned
if tc.name == "default address" {
if strings.Contains(trListener.Addr(), "_INBOX.") {
return
}
}
t.Errorf("expected address %s but got %s", tc.address, trListener.Addr())
}
})
}
}