100 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package nats
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import (
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	"fmt"
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	"testing"
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	"github.com/micro/go-micro/broker"
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	nats "github.com/nats-io/nats.go"
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)
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var addrTestCases = []struct {
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	name        string
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	description string
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	addrs       map[string]string // expected address : set address
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}{
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	{
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		"brokerOpts",
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		"set broker addresses through a broker.Option in constructor",
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		map[string]string{
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			"nats://192.168.10.1:5222": "192.168.10.1:5222",
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			"nats://10.20.10.0:4222":   "10.20.10.0:4222"},
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	},
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	{
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		"brokerInit",
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		"set broker addresses through a broker.Option in broker.Init()",
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		map[string]string{
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			"nats://192.168.10.1:5222": "192.168.10.1:5222",
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			"nats://10.20.10.0:4222":   "10.20.10.0:4222"},
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	},
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	{
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		"natsOpts",
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		"set broker addresses through the nats.Option in constructor",
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		map[string]string{
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			"nats://192.168.10.1:5222": "192.168.10.1:5222",
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			"nats://10.20.10.0:4222":   "10.20.10.0:4222"},
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	},
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	{
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		"default",
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		"check if default Address is set correctly",
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		map[string]string{
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			"nats://127.0.0.1:4222": "",
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		},
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	},
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}
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// TestInitAddrs tests issue #100. Ensures that if the addrs is set by an option in init it will be used.
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func TestInitAddrs(t *testing.T) {
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	for _, tc := range addrTestCases {
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		t.Run(fmt.Sprintf("%s: %s", tc.name, tc.description), func(t *testing.T) {
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			var br broker.Broker
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			var addrs []string
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			for _, addr := range tc.addrs {
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				addrs = append(addrs, addr)
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			}
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			switch tc.name {
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			case "brokerOpts":
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				// we know that there are just two addrs in the dict
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				br = NewBroker(broker.Addrs(addrs[0], addrs[1]))
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				br.Init()
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			case "brokerInit":
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				br = NewBroker()
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				// we know that there are just two addrs in the dict
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				br.Init(broker.Addrs(addrs[0], addrs[1]))
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			case "natsOpts":
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				nopts := nats.GetDefaultOptions()
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				nopts.Servers = addrs
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				br = NewBroker(Options(nopts))
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				br.Init()
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			case "default":
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				br = NewBroker()
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				br.Init()
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			}
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			natsBroker, ok := br.(*natsBroker)
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			if !ok {
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				t.Fatal("Expected broker to be of types *natsBroker")
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			}
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			// check if the same amount of addrs we set has actually been set, default
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			// have only 1 address nats://127.0.0.1:4222 (current nats code) or
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			// nats://localhost:4222 (older code version)
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			if len(natsBroker.addrs) != len(tc.addrs) && tc.name != "default" {
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				t.Errorf("Expected Addr count = %d, Actual Addr count = %d",
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					len(natsBroker.addrs), len(tc.addrs))
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			}
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			for _, addr := range natsBroker.addrs {
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				_, ok := tc.addrs[addr]
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				if !ok {
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					t.Errorf("Expected '%s' has not been set", addr)
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				}
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			}
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		})
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	}
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}
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