Files
lijiaoqiao/supply-api/internal/messaging/messaging_test.go
2026-04-15 10:17:32 +08:00

124 lines
3.4 KiB
Go

package messaging
import (
"context"
"encoding/json"
"errors"
"testing"
"time"
"github.com/redis/go-redis/v9"
"lijiaoqiao/supply-api/internal/repository"
)
type fakeStreamClient struct {
xaddArgs []*redis.XAddArgs
xaddErr error
xgroupErr error
streamName string
groupName string
startOffset string
}
func (c *fakeStreamClient) XAdd(ctx context.Context, a *redis.XAddArgs) *redis.StringCmd {
c.xaddArgs = append(c.xaddArgs, a)
return redis.NewStringResult("1-0", c.xaddErr)
}
func (c *fakeStreamClient) XGroupCreateMkStream(ctx context.Context, stream, group, start string) *redis.StatusCmd {
c.streamName = stream
c.groupName = group
c.startOffset = start
return redis.NewStatusResult("OK", c.xgroupErr)
}
func TestOutboxMessageBrokerPublishBuildsExpectedEnvelope(t *testing.T) {
client := &fakeStreamClient{}
broker := newOutboxMessageBrokerWithClient(client, "supply-outbox", "relay")
event := &repository.OutboxEvent{
EventID: "evt-1",
AggregateType: "account",
AggregateID: "acc-1",
EventType: "created",
Payload: json.RawMessage(`{"provider":"openai"}`),
}
if err := broker.Publish(context.Background(), event); err != nil {
t.Fatalf("Publish() error = %v", err)
}
if len(client.xaddArgs) != 1 {
t.Fatalf("XAdd call count = %d, want 1", len(client.xaddArgs))
}
call := client.xaddArgs[0]
if call.Stream != "supply-outbox" {
t.Fatalf("stream = %q, want %q", call.Stream, "supply-outbox")
}
if call.ID != "*" {
t.Fatalf("id = %q, want %q", call.ID, "*")
}
values, ok := call.Values.(map[string]interface{})
if !ok {
t.Fatalf("values type = %T, want map[string]interface{}", call.Values)
}
rawData, ok := values["data"].(string)
if !ok {
t.Fatalf("data field type = %T, want string", values["data"])
}
var payload map[string]any
if err := json.Unmarshal([]byte(rawData), &payload); err != nil {
t.Fatalf("Unmarshal() error = %v", err)
}
if payload["event_id"] != event.EventID || payload["aggregate_type"] != event.AggregateType || payload["aggregate_id"] != event.AggregateID {
t.Fatalf("unexpected envelope: %#v", payload)
}
if payload["payload"] != string(event.Payload) {
t.Fatalf("payload = %#v, want %q", payload["payload"], string(event.Payload))
}
if _, err := time.Parse(time.RFC3339, payload["published_at"].(string)); err != nil {
t.Fatalf("published_at parse error = %v", err)
}
}
func TestEnsureConsumerGroupHandlesBusyGroupAndOtherErrors(t *testing.T) {
tests := []struct {
name string
err error
wantErr bool
}{
{
name: "busy group is treated as success",
err: errors.New("BUSYGROUP Consumer Group name already exists"),
wantErr: false,
},
{
name: "other errors are wrapped",
err: errors.New("redis unavailable"),
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
client := &fakeStreamClient{xgroupErr: tt.err}
broker := newOutboxMessageBrokerWithClient(client, "supply-outbox", "relay")
err := broker.EnsureConsumerGroup(context.Background())
if tt.wantErr && err == nil {
t.Fatal("EnsureConsumerGroup() expected error, got nil")
}
if !tt.wantErr && err != nil {
t.Fatalf("EnsureConsumerGroup() error = %v, want nil", err)
}
if client.streamName != "supply-outbox" || client.groupName != "relay" || client.startOffset != "0" {
t.Fatalf("unexpected group args: stream=%q group=%q start=%q", client.streamName, client.groupName, client.startOffset)
}
})
}
}