Various performance and correctness improvements.
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@@ -3,7 +3,7 @@ package inbound
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import (
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"context"
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"git.wisehodl.dev/jay/go-honeybee/honeybeetest"
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"github.com/stretchr/testify/assert"
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"git.wisehodl.dev/jay/go-honeybee/types"
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"testing"
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"time"
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)
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@@ -11,14 +11,14 @@ import (
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func TestRunForwarder(t *testing.T) {
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t.Run("message passes through to inbox", func(t *testing.T) {
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id := "wss://test"
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messages := make(chan ReceivedMessage, 1)
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messages := make(chan types.ReceivedMessage, 1)
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inbox := make(chan InboxMessage, 1)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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go RunForwarder(id, ctx, messages, inbox, 0)
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go RunForwarder(id, ctx, messages, inbox)
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messages <- ReceivedMessage{data: []byte("hello"), receivedAt: time.Now()}
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messages <- types.ReceivedMessage{Data: []byte("hello"), ReceivedAt: time.Now()}
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honeybeetest.Eventually(t, func() bool {
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select {
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@@ -29,75 +29,4 @@ func TestRunForwarder(t *testing.T) {
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}
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}, "expected message")
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})
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t.Run("oldest message dropped when queue is full", func(t *testing.T) {
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id := "wss://test"
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messages := make(chan ReceivedMessage, 1)
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inbox := make(chan InboxMessage, 1)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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gate := make(chan struct{})
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gatedInbox := make(chan InboxMessage)
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// gate the inbox from receiving messages until the gate is opened
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go func() {
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<-gate
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for msg := range gatedInbox {
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inbox <- msg
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}
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}()
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go RunForwarder(id, ctx, messages, gatedInbox, 2)
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// send three messages while the gated inbox is blocked
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messages <- ReceivedMessage{data: []byte("first"), receivedAt: time.Now()}
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messages <- ReceivedMessage{data: []byte("second"), receivedAt: time.Now()}
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messages <- ReceivedMessage{data: []byte("third"), receivedAt: time.Now()}
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// allow time for the first message to be dropped
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time.Sleep(20 * time.Millisecond)
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// close the gate, draining messages into the inbox
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close(gate)
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// receive messages from the inbox
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var received []string
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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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received = append(received, string(msg.Data))
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default:
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}
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return len(received) == 2
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}, "expected messages")
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// first message was dropped
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assert.Equal(t, []string{"second", "third"}, received)
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})
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t.Run("exits on context cancellation", func(t *testing.T) {
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id := "wss://test"
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messages := make(chan ReceivedMessage, 1)
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inbox := make(chan InboxMessage, 1)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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done := make(chan struct{})
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go func() {
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RunForwarder(id, ctx, messages, inbox, 0)
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close(done)
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}()
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cancel()
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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 done signal")
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})
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}
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