325 lines
6.7 KiB
Go
325 lines
6.7 KiB
Go
package register
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import (
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"context"
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"fmt"
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"sync"
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"testing"
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"time"
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"go.unistack.org/micro/v3/register"
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)
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var testData = map[string][]*register.Service{
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"foo": {
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{
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Name: "foo",
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Version: "1.0.0",
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Nodes: []*register.Node{
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{
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ID: "foo-1.0.0-123",
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Address: "localhost:9999",
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},
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{
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ID: "foo-1.0.0-321",
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Address: "localhost:9999",
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},
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},
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},
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{
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Name: "foo",
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Version: "1.0.1",
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Nodes: []*register.Node{
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{
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ID: "foo-1.0.1-321",
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Address: "localhost:6666",
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},
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},
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},
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{
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Name: "foo",
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Version: "1.0.3",
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Nodes: []*register.Node{
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{
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ID: "foo-1.0.3-345",
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Address: "localhost:8888",
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},
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},
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},
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},
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"bar": {
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{
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Name: "bar",
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Version: "default",
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Nodes: []*register.Node{
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{
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ID: "bar-1.0.0-123",
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Address: "localhost:9999",
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},
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{
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ID: "bar-1.0.0-321",
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Address: "localhost:9999",
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},
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},
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},
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{
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Name: "bar",
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Version: "latest",
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Nodes: []*register.Node{
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{
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ID: "bar-1.0.1-321",
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Address: "localhost:6666",
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},
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},
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},
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},
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}
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//nolint:gocyclo
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func TestMemoryRegistry(t *testing.T) {
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ctx := context.TODO()
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m := NewRegister()
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fn := func(k string, v []*register.Service) {
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services, err := m.LookupService(ctx, k)
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if err != nil {
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t.Errorf("Unexpected error getting service %s: %v", k, err)
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}
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if len(services) != len(v) {
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t.Errorf("Expected %d services for %s, got %d", len(v), k, len(services))
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}
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for _, service := range v {
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var seen bool
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for _, s := range services {
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if s.Version == service.Version {
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seen = true
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break
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}
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}
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if !seen {
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t.Errorf("expected to find version %s", service.Version)
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}
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}
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}
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// register data
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for _, v := range testData {
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serviceCount := 0
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for _, service := range v {
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if err := m.Register(ctx, service); err != nil {
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t.Errorf("Unexpected register error: %v", err)
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}
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serviceCount++
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// after the service has been registered we should be able to query it
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services, err := m.LookupService(ctx, service.Name)
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if err != nil {
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t.Errorf("Unexpected error getting service %s: %v", service.Name, err)
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}
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if len(services) != serviceCount {
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t.Errorf("Expected %d services for %s, got %d", serviceCount, service.Name, len(services))
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}
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}
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}
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// using test data
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for k, v := range testData {
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fn(k, v)
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}
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services, err := m.ListServices(ctx)
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if err != nil {
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t.Errorf("Unexpected error when listing services: %v", err)
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}
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totalServiceCount := 0
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for _, testSvc := range testData {
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for range testSvc {
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totalServiceCount++
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}
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}
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if len(services) != totalServiceCount {
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t.Errorf("Expected total service count: %d, got: %d", totalServiceCount, len(services))
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}
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// deregister
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for _, v := range testData {
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for _, service := range v {
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if err := m.Deregister(ctx, service); err != nil {
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t.Errorf("Unexpected deregister error: %v", err)
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}
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}
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}
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// after all the service nodes have been deregistered we should not get any results
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for _, v := range testData {
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for _, service := range v {
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services, err := m.LookupService(ctx, service.Name)
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if err != register.ErrNotFound {
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t.Errorf("Expected error: %v, got: %v", register.ErrNotFound, err)
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}
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if len(services) != 0 {
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t.Errorf("Expected %d services for %s, got %d", 0, service.Name, len(services))
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}
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}
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}
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}
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func TestMemoryRegistryTTL(t *testing.T) {
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m := NewRegister()
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ctx := context.TODO()
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for _, v := range testData {
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for _, service := range v {
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if err := m.Register(ctx, service, register.RegisterTTL(time.Millisecond)); err != nil {
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t.Fatal(err)
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}
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}
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}
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time.Sleep(ttlPruneTime * 2)
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for name := range testData {
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svcs, err := m.LookupService(ctx, name)
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if err != nil {
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t.Fatal(err)
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}
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for _, svc := range svcs {
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if len(svc.Nodes) > 0 {
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t.Fatalf("Service %q still has nodes registered", name)
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}
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}
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}
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}
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func TestMemoryRegistryTTLConcurrent(t *testing.T) {
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concurrency := 1000
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waitTime := ttlPruneTime * 2
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m := NewRegister()
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ctx := context.TODO()
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for _, v := range testData {
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for _, service := range v {
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if err := m.Register(ctx, service, register.RegisterTTL(waitTime/2)); err != nil {
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t.Fatal(err)
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}
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}
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}
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//if len(os.Getenv("IN_TRAVIS_CI")) == 0 {
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// t.Logf("test will wait %v, then check TTL timeouts", waitTime)
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//}
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errChan := make(chan error, concurrency)
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syncChan := make(chan struct{})
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for i := 0; i < concurrency; i++ {
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go func() {
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<-syncChan
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for name := range testData {
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svcs, err := m.LookupService(ctx, name)
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if err != nil {
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errChan <- err
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return
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}
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for _, svc := range svcs {
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if len(svc.Nodes) > 0 {
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errChan <- fmt.Errorf("Service %q still has nodes registered", name)
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return
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}
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}
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}
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errChan <- nil
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}()
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}
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time.Sleep(waitTime)
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close(syncChan)
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for i := 0; i < concurrency; i++ {
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if err := <-errChan; err != nil {
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t.Fatal(err)
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}
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}
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}
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func TestMemoryWildcard(t *testing.T) {
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m := NewRegister()
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ctx := context.TODO()
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testSrv := ®ister.Service{Name: "foo", Version: "1.0.0"}
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if err := m.Register(ctx, testSrv, register.RegisterDomain("one")); err != nil {
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t.Fatalf("Register err: %v", err)
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}
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if err := m.Register(ctx, testSrv, register.RegisterDomain("two")); err != nil {
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t.Fatalf("Register err: %v", err)
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}
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if recs, err := m.ListServices(ctx, register.ListDomain("one")); err != nil {
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t.Errorf("List err: %v", err)
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} else if len(recs) != 1 {
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t.Errorf("Expected 1 record, got %v", len(recs))
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}
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if recs, err := m.ListServices(ctx, register.ListDomain("*")); err != nil {
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t.Errorf("List err: %v", err)
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} else if len(recs) != 2 {
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t.Errorf("Expected 2 records, got %v", len(recs))
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}
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if recs, err := m.LookupService(ctx, testSrv.Name, register.LookupDomain("one")); err != nil {
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t.Errorf("Lookup err: %v", err)
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} else if len(recs) != 1 {
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t.Errorf("Expected 1 record, got %v", len(recs))
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}
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if recs, err := m.LookupService(ctx, testSrv.Name, register.LookupDomain("*")); err != nil {
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t.Errorf("Lookup err: %v", err)
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} else if len(recs) != 2 {
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t.Errorf("Expected 2 records, got %v", len(recs))
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}
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}
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func TestWatcher(t *testing.T) {
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testSrv := ®ister.Service{Name: "foo", Version: "1.0.0"}
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ctx := context.TODO()
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m := NewRegister()
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m.Init()
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m.Connect(ctx)
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wc, err := m.Watch(ctx)
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if err != nil {
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t.Fatalf("cant watch: %v", err)
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}
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defer wc.Stop()
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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for {
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_, err := wc.Next()
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if err != nil {
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t.Fatal("unexpected err", err)
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}
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// t.Logf("changes %#+v", ch.Service)
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wc.Stop()
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wg.Done()
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return
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}
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}()
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if err := m.Register(ctx, testSrv); err != nil {
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t.Fatalf("Register err: %v", err)
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}
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wg.Wait()
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if _, err := wc.Next(); err == nil {
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t.Fatal("expected error on Next()")
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}
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}
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