317 lines
7.3 KiB
Go
317 lines
7.3 KiB
Go
package initiatorpool
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import (
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"context"
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"fmt"
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"git.wisehodl.dev/jay/go-honeybee/honeybeetest"
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"git.wisehodl.dev/jay/go-honeybee/transport"
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"git.wisehodl.dev/jay/go-honeybee/types"
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"github.com/gorilla/websocket"
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"github.com/stretchr/testify/assert"
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"net/http"
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"sync"
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"testing"
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)
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func makeWorkerContext(t *testing.T) (
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inbox chan InboxMessage,
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events chan PoolEvent,
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errors chan error,
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pool PoolPlugin,
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) {
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t.Helper()
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inbox = make(chan InboxMessage, 256)
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events = make(chan PoolEvent, 10)
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errors = make(chan error, 10)
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pool = PoolPlugin{
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Inbox: inbox,
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Events: events,
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Errors: errors,
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}
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return
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}
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func makeWorker(t *testing.T, ctx context.Context, cancel context.CancelFunc) *DefaultWorker {
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t.Helper()
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return &DefaultWorker{
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Ctx: ctx,
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Cancel: cancel,
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Id: "wss://test",
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Config: GetDefaultWorkerConfig(),
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Heartbeat: make(chan struct{}),
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}
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}
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func mockDialer(socket *honeybeetest.MockSocket) *honeybeetest.MockDialer {
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return &honeybeetest.MockDialer{
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DialContextFunc: func(context.Context, string, http.Header) (types.Socket, *http.Response, error) {
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return socket, nil, nil
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},
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}
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}
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func TestWorkerStart(t *testing.T) {
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t.Run("EventConnected emitted after dial succeeds", func(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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w := makeWorker(t, ctx, cancel)
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_, events, _, pool := makeWorkerContext(t)
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mockSocket := honeybeetest.NewMockSocket()
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pool.Dialer = mockDialer(mockSocket)
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var wg sync.WaitGroup
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wg.Add(1)
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go w.Start(pool, &wg)
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honeybeetest.Eventually(t, func() bool {
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select {
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case e := <-events:
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return e.ID == w.Id && e.Kind == EventConnected
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default:
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return false
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}
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}, "expected EventConnected")
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})
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t.Run("Send delivers data to socket", func(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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w := makeWorker(t, ctx, cancel)
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_, events, _, pool := makeWorkerContext(t)
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_, mockSocket, _, outgoingData := setupWorkerTestConnection(t)
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pool.Dialer = mockDialer(mockSocket)
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var wg sync.WaitGroup
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wg.Add(1)
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go w.Start(pool, &wg)
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honeybeetest.Eventually(t, func() bool {
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select {
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case e := <-events:
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return e.Kind == EventConnected
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default:
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return false
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}
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}, "expected EventConnected")
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err := w.Send([]byte("hello"))
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assert.NoError(t, err)
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honeybeetest.Eventually(t, func() bool {
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select {
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case msg := <-outgoingData:
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return string(msg.Data) == "hello"
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default:
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return false
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}
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}, "expected data on socket")
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})
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t.Run("socket data arrives on Inbox", func(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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w := makeWorker(t, ctx, cancel)
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inbox, events, _, pool := makeWorkerContext(t)
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incomingData := make(chan honeybeetest.MockIncomingData, 10)
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mockSocket := honeybeetest.NewMockSocket()
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mockSocket.CloseFunc = func() error {
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mockSocket.Once.Do(func() { close(mockSocket.Closed) })
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return nil
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}
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mockSocket.ReadMessageFunc = func() (int, []byte, error) {
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select {
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case data := <-incomingData:
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return data.MsgType, data.Data, data.Err
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}
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}
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pool.Dialer = mockDialer(mockSocket)
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var wg sync.WaitGroup
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wg.Add(1)
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go w.Start(pool, &wg)
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honeybeetest.Eventually(t, func() bool {
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select {
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case e := <-events:
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return e.Kind == EventConnected
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default:
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return false
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}
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}, "expected EventConnected")
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incomingData <- honeybeetest.MockIncomingData{
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MsgType: websocket.TextMessage,
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Data: []byte("hello"),
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}
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honeybeetest.Eventually(t, func() bool {
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select {
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case msg := <-inbox:
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return msg.ID == w.Id && string(msg.Data) == "hello"
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default:
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return false
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}
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}, "expected message on Inbox")
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})
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t.Run("socket close produces EventDisconnected then EventConnected", func(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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w := makeWorker(t, ctx, cancel)
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_, events, _, pool := makeWorkerContext(t)
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_, mockSocket, incomingData, _ := setupWorkerTestConnection(t)
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pool.Dialer = mockDialer(mockSocket)
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var wg sync.WaitGroup
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wg.Add(1)
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go w.Start(pool, &wg)
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honeybeetest.Eventually(t, func() bool {
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select {
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case e := <-events:
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return e.Kind == EventConnected
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default:
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return false
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}
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}, "expected EventConnected")
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close(incomingData)
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honeybeetest.Eventually(t, func() bool {
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select {
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case e := <-events:
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return e.Kind == EventDisconnected
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default:
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return false
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}
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}, "expected EventDisconnected")
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honeybeetest.Eventually(t, func() bool {
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select {
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case e := <-events:
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return e.Kind == EventConnected
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default:
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return false
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}
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}, "expected second EventConnected")
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})
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t.Run("Stop produces EventDisconnected and wg drains", func(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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w := makeWorker(t, ctx, cancel)
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_, events, _, pool := makeWorkerContext(t)
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mockSocket := honeybeetest.NewMockSocket()
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pool.Dialer = mockDialer(mockSocket)
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var wg sync.WaitGroup
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wg.Add(1)
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go w.Start(pool, &wg)
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honeybeetest.Eventually(t, func() bool {
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select {
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case e := <-events:
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return e.Kind == EventConnected
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default:
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return false
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}
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}, "expected EventConnected")
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w.Stop()
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honeybeetest.Eventually(t, func() bool {
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select {
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case e := <-events:
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return e.Kind == EventDisconnected
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default:
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return false
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}
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}, "expected EventDisconnected")
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done := make(chan struct{})
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go func() { wg.Wait(); close(done) }()
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honeybeetest.Eventually(t, func() bool {
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select {
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case <-done:
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return true
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default:
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return false
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}
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}, "expected wg to drain")
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})
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t.Run("parent context cancel exits cleanly and wg drains", func(t *testing.T) {
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parentCtx, parentCancel := context.WithCancel(context.Background())
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workerCtx, workerCancel := context.WithCancel(parentCtx)
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w := makeWorker(t, workerCtx, workerCancel)
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_, events, _, pool := makeWorkerContext(t)
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mockSocket := honeybeetest.NewMockSocket()
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pool.Dialer = mockDialer(mockSocket)
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var wg sync.WaitGroup
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wg.Add(1)
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go w.Start(pool, &wg)
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honeybeetest.Eventually(t, func() bool {
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select {
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case e := <-events:
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return e.Kind == EventConnected
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default:
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return false
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}
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}, "expected EventConnected")
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// drain events after parent cancel — we don't assert what they are,
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// only that the worker exits
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parentCancel()
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done := make(chan struct{})
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go func() { wg.Wait(); close(done) }()
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honeybeetest.Eventually(t, func() bool {
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select {
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case <-done:
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return true
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default:
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return false
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}
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}, "expected wg to drain after parent cancel")
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})
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t.Run("dial failure emits to Errors", func(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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w := makeWorker(t, ctx, cancel)
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_, _, errors, pool := makeWorkerContext(t)
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pool.ConnectionConfig = &transport.ConnectionConfig{Retry: nil}
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pool.Dialer = &honeybeetest.MockDialer{
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DialContextFunc: func(context.Context, string, http.Header) (types.Socket, *http.Response, error) {
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return nil, nil, fmt.Errorf("dial failed")
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},
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}
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var wg sync.WaitGroup
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wg.Add(1)
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go w.Start(pool, &wg)
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honeybeetest.Eventually(t, func() bool {
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select {
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case err := <-errors:
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return err != nil
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default:
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return false
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}
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}, "expected error on Errors channel")
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})
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}
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