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155 lines
4.5 KiB
155 lines
4.5 KiB
package p2ptest
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import (
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"testing"
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"time"
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"github.com/gogo/protobuf/proto"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/p2p"
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)
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// RequireEmpty requires that the given channel is empty.
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func RequireEmpty(t *testing.T, channels ...*p2p.Channel) {
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for _, channel := range channels {
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select {
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case e := <-channel.In:
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require.Fail(t, "unexpected message", "channel %v should be empty, got %v", channel.ID, e)
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case <-time.After(10 * time.Millisecond):
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}
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}
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}
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// RequireReceive requires that the given envelope is received on the channel.
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func RequireReceive(t *testing.T, channel *p2p.Channel, expect p2p.Envelope) {
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timer := time.NewTimer(time.Second) // not time.After due to goroutine leaks
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defer timer.Stop()
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select {
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case e, ok := <-channel.In:
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require.True(t, ok, "channel %v is closed", channel.ID)
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require.Equal(t, expect, e)
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case <-channel.Done():
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require.Fail(t, "channel %v is closed", channel.ID)
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case <-timer.C:
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require.Fail(t, "timed out waiting for message", "%v on channel %v", expect, channel.ID)
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}
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}
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// RequireReceiveUnordered requires that the given envelopes are all received on
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// the channel, ignoring order.
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func RequireReceiveUnordered(t *testing.T, channel *p2p.Channel, expect []p2p.Envelope) {
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timer := time.NewTimer(time.Second) // not time.After due to goroutine leaks
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defer timer.Stop()
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actual := []p2p.Envelope{}
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for {
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select {
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case e, ok := <-channel.In:
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require.True(t, ok, "channel %v is closed", channel.ID)
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actual = append(actual, e)
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if len(actual) == len(expect) {
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require.ElementsMatch(t, expect, actual)
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return
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}
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case <-channel.Done():
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require.Fail(t, "channel %v is closed", channel.ID)
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case <-timer.C:
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require.ElementsMatch(t, expect, actual)
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return
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}
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}
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}
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// RequireSend requires that the given envelope is sent on the channel.
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func RequireSend(t *testing.T, channel *p2p.Channel, envelope p2p.Envelope) {
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timer := time.NewTimer(time.Second) // not time.After due to goroutine leaks
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defer timer.Stop()
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select {
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case channel.Out <- envelope:
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case <-timer.C:
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require.Fail(t, "timed out sending message", "%v on channel %v", envelope, channel.ID)
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}
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}
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// RequireSendReceive requires that a given Protobuf message is sent to the
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// given peer, and then that the given response is received back.
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func RequireSendReceive(
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t *testing.T,
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channel *p2p.Channel,
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peerID p2p.NodeID,
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send proto.Message,
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receive proto.Message,
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) {
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RequireSend(t, channel, p2p.Envelope{To: peerID, Message: send})
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RequireReceive(t, channel, p2p.Envelope{From: peerID, Message: send})
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}
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// RequireNoUpdates requires that a PeerUpdates subscription is empty.
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func RequireNoUpdates(t *testing.T, peerUpdates *p2p.PeerUpdates) {
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select {
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case update := <-peerUpdates.Updates():
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require.Fail(t, "unexpected peer updates", "got %v", update)
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default:
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}
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}
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// RequireError requires that the given peer error is submitted for a peer.
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func RequireError(t *testing.T, channel *p2p.Channel, peerError p2p.PeerError) {
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timer := time.NewTimer(time.Second) // not time.After due to goroutine leaks
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defer timer.Stop()
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select {
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case channel.Error <- peerError:
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case <-timer.C:
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require.Fail(t, "timed out reporting error", "%v on %v", peerError, channel.ID)
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}
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}
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// RequireUpdate requires that a PeerUpdates subscription yields the given update.
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func RequireUpdate(t *testing.T, peerUpdates *p2p.PeerUpdates, expect p2p.PeerUpdate) {
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timer := time.NewTimer(time.Second) // not time.After due to goroutine leaks
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defer timer.Stop()
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select {
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case update := <-peerUpdates.Updates():
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require.Equal(t, expect, update, "peer update did not match")
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case <-peerUpdates.Done():
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require.Fail(t, "peer updates subscription is closed")
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case <-timer.C:
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require.Fail(t, "timed out waiting for peer update", "expected %v", expect)
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}
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}
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// RequireUpdates requires that a PeerUpdates subscription yields the given updates
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// in the given order.
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func RequireUpdates(t *testing.T, peerUpdates *p2p.PeerUpdates, expect []p2p.PeerUpdate) {
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timer := time.NewTimer(time.Second) // not time.After due to goroutine leaks
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defer timer.Stop()
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actual := []p2p.PeerUpdate{}
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for {
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select {
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case update := <-peerUpdates.Updates():
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actual = append(actual, update)
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if len(actual) == len(expect) {
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require.Equal(t, expect, actual)
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return
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}
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case <-peerUpdates.Done():
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require.Fail(t, "peer updates subscription is closed")
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case <-timer.C:
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require.Equal(t, expect, actual, "did not receive expected peer updates")
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return
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}
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}
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}
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