Updated to mock v0.0.19

This commit is contained in:
diamondburned (Forefront) 2020-06-08 15:19:13 -07:00
parent 407aa1a13d
commit cd71430167
6 changed files with 254 additions and 78 deletions

View File

@ -1,10 +1,10 @@
package mock
import (
"errors"
"math/rand"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
@ -12,18 +12,35 @@ import (
"github.com/diamondburned/cchat"
"github.com/diamondburned/cchat-mock/segments"
"github.com/diamondburned/cchat/text"
"github.com/pkg/errors"
)
func init() {}
// FetchBacklog is the number of messages to fake-fetch.
const FetchBacklog = 35
// max number to add to before the next author, with rand.Intn(limit) + incr.
const sameAuthorLimit = 12
type Channel struct {
id uint32
name string
username text.Rich
done chan struct{}
send chan cchat.SendableMessage // ideally this should be another type
lastID uint32
send chan cchat.SendableMessage // ideally this should be another type
edit chan Message // id
messageMutex sync.Mutex
messageIDs map[string]int
messages []Message
// used for unique ID generation of messages
incrID uint32
// used for generating the same author multiple times before shuffling, goes
// up to about 12 or so. check sameAuthorLimit.
incrAuthor uint8
//
busyWg sync.WaitGroup
}
var (
@ -32,54 +49,46 @@ var (
_ cchat.ServerMessageSender = (*Channel)(nil)
_ cchat.ServerMessageSendCompleter = (*Channel)(nil)
_ cchat.ServerNickname = (*Channel)(nil)
_ cchat.ServerMessageEditor = (*Channel)(nil)
_ cchat.ServerMessageActioner = (*Channel)(nil)
)
func (ch *Channel) ID() string {
return strconv.Itoa(int(ch.id))
}
func (ch *Channel) Name(labeler cchat.LabelContainer) error {
func (ch *Channel) Name(labeler cchat.LabelContainer) (func(), error) {
labeler.SetLabel(text.Rich{Content: ch.name})
return nil
return func() {}, nil
}
func (ch *Channel) Nickname(labeler cchat.LabelContainer) error {
func (ch *Channel) Nickname(labeler cchat.LabelContainer) (func(), error) {
labeler.SetLabel(ch.username)
return nil
return func() {}, nil
}
func (ch *Channel) JoinServer(container cchat.MessagesContainer) error {
// Emulate IO.
emulateAustralianInternet()
func (ch *Channel) JoinServer(container cchat.MessagesContainer) (func(), error) {
// Is this a fresh channel? If yes, generate messages with some IO latency.
if ch.messageIDs == nil || len(ch.messages) == 0 {
// Emulate IO.
emulateAustralianInternet()
var lastAuthor text.Rich
var lastCounter int
// Initialize.
ch.messageIDs = map[string]int{}
ch.messages = make([]Message, 0, FetchBacklog)
var nextID = func() uint32 {
id := ch.lastID
ch.lastID++
return id
}
var randomMsg = func() Message {
// Try and reuse the author multiple times.
if lastCounter++; lastCounter < randClamp(2, 5) {
return randomMessageWithAuthor(nextID(), lastAuthor)
// Allocate 2 channels that we won't clean up, because we're lazy.
ch.send = make(chan cchat.SendableMessage)
ch.edit = make(chan Message)
// Generate the backlog.
for i := 0; i < FetchBacklog; i++ {
ch.addMessage(randomMessage(ch.nextID()), container)
}
msg := randomMessage(nextID())
lastAuthor = msg.author
lastCounter = 0
return msg
}
// Write the backlog.
for i := 0; i < 30; i++ {
container.CreateMessage(randomMsg())
}
ch.done = make(chan struct{})
ch.send = make(chan cchat.SendableMessage)
// Initialize channels for use.
doneCh := make(chan struct{})
go func() {
ticker := time.NewTicker(4 * time.Second)
@ -94,26 +103,141 @@ func (ch *Channel) JoinServer(container cchat.MessagesContainer) error {
for {
select {
case msg := <-ch.send:
container.CreateMessage(echoMessage(msg, nextID(), ch.username))
ch.addMessage(echoMessage(msg, ch.nextID(), ch.username), container)
case msg := <-ch.edit:
container.UpdateMessage(msg)
case <-ticker.C:
container.CreateMessage(randomMsg())
ch.addMessage(ch.randomMsg(), container)
case <-editTick.C:
container.UpdateMessage(newRandomMessage(ch.lastID, lastAuthor))
var old = ch.randomOldMsg()
ch.updateMessage(newRandomMessage(old.id, old.author), container)
case <-deleteTick.C:
container.DeleteMessage(newEmptyMessage(ch.lastID, lastAuthor))
case <-ch.done:
var old = ch.randomOldMsg()
ch.deleteMessage(MessageHeader{old.id, time.Now()}, container)
case <-doneCh:
return
}
}
}()
return func() { doneCh <- struct{}{} }, nil
}
func (ch *Channel) RawMessageContent(id string) (string, error) {
ch.messageMutex.Lock()
defer ch.messageMutex.Unlock()
ix, ok := ch.messageIDs[id]
if !ok {
return "", errors.New("Message not found")
}
return ch.messages[ix].content, nil
}
func (ch *Channel) EditMessage(id, content string) error {
emulateAustralianInternet()
ch.messageMutex.Lock()
defer ch.messageMutex.Unlock()
ix, ok := ch.messageIDs[id]
if !ok {
return errors.New("ID not found")
}
msg := ch.messages[ix]
msg.content = content
ch.messages[ix] = msg
ch.edit <- msg
return nil
}
func (ch *Channel) LeaveServer() error {
ch.done <- struct{}{}
ch.send = nil
return nil
func (ch *Channel) addMessage(msg Message, container cchat.MessagesContainer) {
ch.messageMutex.Lock()
defer ch.messageMutex.Unlock()
// Clean up the backlog.
if len(ch.messages) > FetchBacklog*2 {
}
ch.messages = append(ch.messages, msg)
container.CreateMessage(msg)
}
func (ch *Channel) updateMessage(msg Message, container cchat.MessagesContainer) {
ch.messageMutex.Lock()
defer ch.messageMutex.Unlock()
ix, ok := ch.messageIDs[msg.ID()]
if !ok {
// Unknown message.
return
}
ch.messages[ix] = msg
container.UpdateMessage(msg)
}
func (ch *Channel) deleteMessage(msg MessageHeader, container cchat.MessagesContainer) {
ch.messageMutex.Lock()
defer ch.messageMutex.Unlock()
ix, ok := ch.messageIDs[msg.ID()]
if !ok {
return
}
delete(ch.messageIDs, msg.ID())
ch.messages = append(ch.messages[:ix], ch.messages[ix+1:]...)
container.DeleteMessage(msg)
}
// randomMsgID returns a random recent message ID.
func (ch *Channel) randomOldMsg() Message {
ch.messageMutex.Lock()
defer ch.messageMutex.Unlock()
// Pick a random number, clamped to 10 and len channel.
n := rand.Intn(len(ch.messages)) % 10
return ch.messages[n]
}
// randomMsg uses top of the state algorithms to return fair and balanced
// messages suitable for rigorous testing.
func (ch *Channel) randomMsg() (msg Message) {
ch.messageMutex.Lock()
defer ch.messageMutex.Unlock()
// If we don't have any messages, then skip.
if len(ch.messages) == 0 {
return randomMessage(ch.nextID())
}
// Add a random number into incrAuthor and determine if that should be
// enough to generate a new author.
ch.incrAuthor += uint8(rand.Intn(5)) // 2~4 appearances
// Should we generate a new author for the new message?
if ch.incrAuthor > sameAuthorLimit {
msg = randomMessage(ch.nextID())
} else {
last := ch.messages[len(ch.messages)-1]
msg = randomMessageWithAuthor(ch.nextID(), last.author)
}
return
}
func (ch *Channel) nextID() (id uint32) {
return atomic.AddUint32(&ch.incrID, 1)
}
func (ch *Channel) SendMessage(msg cchat.SendableMessage) error {
@ -131,6 +255,47 @@ func (ch *Channel) SendMessage(msg cchat.SendableMessage) error {
return nil
}
const (
DeleteAction = "Delete"
NoopAction = "No-op"
BestTrapAction = "Print best trap"
)
func (ch *Channel) MessageActions() []string {
return []string{
DeleteAction,
NoopAction,
BestTrapAction,
}
}
// DoMessageAction will be blocked by IO. As goes for every other method that
// takes a container: the frontend should call this in a goroutine.
func (ch *Channel) DoMessageAction(c cchat.MessagesContainer, action, messageID string) error {
switch action {
case DeleteAction:
i, err := strconv.Atoi(messageID)
if err != nil {
return errors.Wrap(err, "Invalid ID")
}
// Emulate IO.
emulateAustralianInternet()
ch.deleteMessage(MessageHeader{uint32(i), time.Now()}, c)
case NoopAction:
// do nothing.
case BestTrapAction:
return ch.EditMessage(messageID, "Astolfo.")
default:
return errors.New("Unknown action.")
}
return nil
}
func (ch *Channel) CompleteMessage(words []string, i int) []string {
switch {
case strings.HasPrefix("complete", words[i]):

3
go.mod
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@ -4,5 +4,6 @@ go 1.14
require (
github.com/Pallinder/go-randomdata v1.2.0
github.com/diamondburned/cchat v0.0.15
github.com/diamondburned/cchat v0.0.19
github.com/pkg/errors v0.9.1
)

9
go.sum
View File

@ -30,6 +30,15 @@ github.com/diamondburned/cchat v0.0.14 h1:QpYRndVRBgg0DZHNrjbf+FNZ7dJlAsP7PlR+JA
github.com/diamondburned/cchat v0.0.14/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
github.com/diamondburned/cchat v0.0.15 h1:1o4OX8zw/CdSv3Idaylz7vjHVOZKEi/xkg8BpEvtsHY=
github.com/diamondburned/cchat v0.0.15/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
github.com/diamondburned/cchat v0.0.16 h1:N+KxOhFJ+rpqs7mBYr40UWUyFeDA4js2W13KL8nuOOs=
github.com/diamondburned/cchat v0.0.16/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
github.com/diamondburned/cchat v0.0.17 h1:n3x5p7hc4G+6osmjY1tsjbCd1+9YZ+vX/A6fcIm0HtE=
github.com/diamondburned/cchat v0.0.17/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
github.com/diamondburned/cchat v0.0.18 h1:1nTPcYEumpLCangEV/oblNkZrZG9dQ432Ov1qvlzSNw=
github.com/diamondburned/cchat v0.0.18/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
github.com/diamondburned/cchat v0.0.19 h1:XPZDqOR8P1tzTWVkYzRb6yZ1H6yU8tSUReGjklIqarw=
github.com/diamondburned/cchat v0.0.19/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=

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@ -13,9 +13,23 @@ import (
const avatarURL = "https://gist.github.com/diamondburned/945744c2b5ce0aa0581c9267a4e5cf24/raw/598069da673093aaca4cd4aa0ede1a0e324e9a3a/astolfo_selfie.png"
type MessageHeader struct {
id uint32
time time.Time
}
var _ cchat.MessageHeader = (*Message)(nil)
func (m MessageHeader) ID() string {
return strconv.Itoa(int(m.id))
}
func (m MessageHeader) Time() time.Time {
return m.time
}
type Message struct {
id uint32
time time.Time
MessageHeader
author text.Rich
content string
nonce string
@ -31,26 +45,24 @@ var (
func newEmptyMessage(id uint32, author text.Rich) Message {
return Message{
id: id,
author: author,
MessageHeader: MessageHeader{id: id},
author: author,
}
}
func newRandomMessage(id uint32, author text.Rich) Message {
return Message{
id: id,
time: time.Now(),
author: author,
content: randomdata.Paragraph(),
MessageHeader: MessageHeader{id: id, time: time.Now()},
author: author,
content: randomdata.Paragraph(),
}
}
func echoMessage(sendable cchat.SendableMessage, id uint32, author text.Rich) Message {
var echo = Message{
id: id,
time: time.Now(),
author: author,
content: sendable.Content(),
MessageHeader: MessageHeader{id: id, time: time.Now()},
author: author,
content: sendable.Content(),
}
if noncer, ok := sendable.(cchat.MessageNonce); ok {
echo.nonce = noncer.Nonce()
@ -68,24 +80,13 @@ func randomMessage(id uint32) Message {
}
func randomMessageWithAuthor(id uint32, author text.Rich) Message {
var now = time.Now()
return Message{
id: id,
time: now,
author: author,
content: randomdata.Paragraph(),
MessageHeader: MessageHeader{id: id, time: time.Now()},
author: author,
content: randomdata.Paragraph(),
}
}
func (m Message) ID() string {
return strconv.Itoa(int(m.id))
}
func (m Message) Time() time.Time {
return m.time
}
func (m Message) Author() cchat.MessageAuthor {
return Author{name: m.author}
}

View File

@ -26,9 +26,9 @@ func (sv *Server) ID() string {
return strconv.Itoa(int(sv.id))
}
func (sv *Server) Name(labeler cchat.LabelContainer) error {
func (sv *Server) Name(labeler cchat.LabelContainer) (func(), error) {
labeler.SetLabel(text.Rich{Content: sv.name})
return nil
return func() {}, nil
}
func (sv *Server) Servers(container cchat.ServersContainer) error {

View File

@ -139,9 +139,9 @@ func (s *Session) ID() string {
return s.username
}
func (s *Session) Name(labeler cchat.LabelContainer) error {
func (s *Session) Name(labeler cchat.LabelContainer) (func(), error) {
labeler.SetLabel(text.Rich{Content: s.username})
return nil
return func() {}, nil
}
func (s *Session) Servers(container cchat.ServersContainer) error {
@ -149,9 +149,9 @@ func (s *Session) Servers(container cchat.ServersContainer) error {
return nil
}
func (s *Session) Icon(iconer cchat.IconContainer) error {
func (s *Session) Icon(iconer cchat.IconContainer) (func(), error) {
iconer.SetIcon(avatarURL)
return nil
return func() {}, nil
}
func (s *Session) Save() (map[string]string, error) {