62 lines
1.9 KiB
Go
62 lines
1.9 KiB
Go
package mq
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import (
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"context"
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"testing"
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platformmq "kra/pkg/mq"
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)
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type fakeClient struct {
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subscribed []string
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unsubscribed []string
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}
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func (*fakeClient) Publish(context.Context, string, []byte, byte, bool) error { return nil }
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func (f *fakeClient) Subscribe(_ context.Context, topic string, _ byte, _ platformmq.Handler) error {
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f.subscribed = append(f.subscribed, topic)
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return nil
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}
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func (f *fakeClient) Unsubscribe(_ context.Context, topics ...string) error {
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f.unsubscribed = append(f.unsubscribed, topics...)
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return nil
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}
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func (*fakeClient) Connected() bool { return true }
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func (*fakeClient) Close() error { return nil }
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func TestReloadableTracksSubscriptions(t *testing.T) {
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client := &fakeClient{}
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r := &Reloadable{
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clients: map[string]platformmq.Client{ProviderEMQX: client},
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subscriptions: make(map[string]map[string]subscription),
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}
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handler := func(context.Context, platformmq.Message) {}
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if err := r.Subscribe(context.Background(), "orders/+/paid", platformmq.AtLeastOnce, handler); err != nil {
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t.Fatal(err)
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}
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if _, ok := r.subscriptions[ProviderEMQX]["orders/+/paid"]; !ok {
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t.Fatal("subscription was not retained for configuration reload")
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}
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if err := r.Unsubscribe(context.Background(), "orders/+/paid"); err != nil {
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t.Fatal(err)
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}
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if _, ok := r.subscriptions[ProviderEMQX]["orders/+/paid"]; ok {
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t.Fatal("unsubscribed topic remained in the reload registry")
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}
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}
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func TestReloadableRestoresSubscriptions(t *testing.T) {
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client := &fakeClient{}
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r := &Reloadable{subscriptions: map[string]map[string]subscription{
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ProviderEMQX: {
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"orders/+/paid": {qos: platformmq.AtLeastOnce, handler: func(context.Context, platformmq.Message) {}},
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},
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}}
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if err := r.restoreSubscriptionsLocked(ProviderEMQX, client); err != nil {
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t.Fatal(err)
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}
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if len(client.subscribed) != 1 || client.subscribed[0] != "orders/+/paid" {
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t.Fatalf("restored subscriptions = %v", client.subscribed)
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}
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}
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