git.giacomolli.uk - onechat/blob - probe_log_helper_test.go

   1 package main
   2
   3 import (
   4         "encoding/json"
   5         "fmt"
   6         "math/rand/v2"
   7         "strings"
   8 )
   9
  10 // probeMessages is the length of the generated log for the live probe.
  11 const probeMessages = 1000
  12
  13 // ProbeWriter writes readable made-up messages.
  14 type ProbeWriter struct {
  15         random *rand.Rand
  16 }
  17
  18 func (g *ProbeWriter) message() (string, string) {
  19         roll := g.random.IntN(100)
  20         switch {
  21         case roll < 5:
  22                 return "user", g.fill(g.userLine, 10+g.random.IntN(200))
  23         case roll < 10:
  24                 return "reply", g.fill(g.replyLine, 100+g.random.IntN(1500))
  25         case roll < 12:
  26                 return "note", g.fill(g.noteLine, 50+g.random.IntN(600))
  27         case roll < 13:
  28                 return "work", "[" + g.pick(probePeople) + "] report: " + g.fill(g.replyLine, 300+g.random.IntN(3000))
  29         case roll < 56:
  30                 return "tool", g.toolCall(60 + g.random.IntN(400))
  31         case roll < 57:
  32                 return "echo", g.fill(g.outputLine, 30000+g.random.IntN(30000))
  33         default:
  34                 return "echo", g.fill(g.outputLine, 20+g.random.IntN(4000))
  35         }
  36 }
  37
  38 // fill joins lines of write until the text has about size bytes.
  39 func (g *ProbeWriter) fill(write func() string, size int) string {
  40         var text strings.Builder
  41         for text.Len() < size {
  42                 if text.Len() > 0 {
  43                         text.WriteByte(' ')
  44                 }
  45
  46                 text.WriteString(write())
  47         }
  48
  49         return text.String()
  50 }
  51
  52 func (g *ProbeWriter) userLine() string {
  53         return g.pick([]string{
  54                 fmt.Sprintf("Please check why the %s %s.", g.pick(probeThings), g.pick(probeProblems)),
  55                 fmt.Sprintf("Move the %s to %s before %s.", g.pick(probeThings), g.pick(probePlaces), g.pick(probeDays)),
  56                 fmt.Sprintf("Thanks, that works. Next, %s.", g.pick(probeTasks)),
  57                 fmt.Sprintf("No, keep the old %s. %s asked for it.", g.pick(probeThings), g.pick(probePeople)),
  58                 fmt.Sprintf("How many %s orders came in on %s?", g.pick(probeBreads), g.pick(probeDays)),
  59         })
  60 }
  61
  62 func (g *ProbeWriter) replyLine() string {
  63         return g.pick([]string{
  64                 fmt.Sprintf("I looked at %s. The %s %s because %s.", g.pick(probeFiles), g.pick(probeThings), g.pick(probeProblems), g.pick(probeCauses)),
  65                 fmt.Sprintf("I changed %s, and the tests pass now.", g.pick(probeChanges)),
  66                 fmt.Sprintf("There were %d %s orders on %s, %d of them late.", 10+g.random.IntN(90), g.pick(probeBreads), g.pick(probeDays), g.random.IntN(10)),
  67                 fmt.Sprintf("Open question: should %s get %s?", g.pick(probePeople), g.pick(probeTasks)),
  68         })
  69 }
  70
  71 func (g *ProbeWriter) noteLine() string {
  72         return g.pick([]string{
  73                 fmt.Sprintf("%s prefers %s.", g.pick(probePeople), g.pick(probePreferences)),
  74                 fmt.Sprintf("The bakery opens at %d and closes at %d on %s.", 5+g.random.IntN(3), 17+g.random.IntN(4), g.pick(probeDays)),
  75         })
  76 }
  77
  78 func (g *ProbeWriter) pick(words []string) string {
  79         return words[g.random.IntN(len(words))]
  80 }
  81
  82 // toolCall returns a tool name and its JSON input of about size bytes.
  83 func (g *ProbeWriter) toolCall(size int) string {
  84         name := g.pick([]string{"shell", "read", "write", "edit"})
  85         var input map[string]string
  86         switch name {
  87         case "shell":
  88                 input = map[string]string{"command": "grep -n '" + g.pick(probeThings) + "' " + g.pick(probeFiles)}
  89         case "read":
  90                 input = map[string]string{"path": g.pick(probeFiles)}
  91         default:
  92                 input = map[string]string{
  93                         "path": g.pick(probeFiles),
  94                         "text": g.fill(g.replyLine, max(0, size-80)),
  95                 }
  96         }
  97
  98         data, err := json.Marshal(input)
  99         if err != nil {
 100                 panic(err)
 101         }
 102
 103         return name + " " + string(data)
 104 }
 105
 106 func (g *ProbeWriter) outputLine() string {
 107         return g.pick([]string{
 108                 fmt.Sprintf("%02d:%02d order %d for %d %s, packed by %s.", 6+g.random.IntN(12), g.random.IntN(60), 1000+g.random.IntN(9000), 1+g.random.IntN(24), g.pick(probeBreads), g.pick(probePeople)),
 109                 fmt.Sprintf("%s:%d: %s %s.", g.pick(probeFiles), 1+g.random.IntN(400), g.pick(probeThings), g.pick(probeProblems)),
 110                 fmt.Sprintf("ok   bakery/%s %d.%03ds", g.pick(probeModules), g.random.IntN(3), g.random.IntN(1000)),
 111         })
 112 }
 113
 114 // probeLog returns count messages of made-up work on a small bakery order
 115 // system, with the mix of kinds and sizes of replayMessage. The same count
 116 // always gives the same log.
 117 func probeLog(count int) []DatedMessage {
 118         g := ProbeWriter{
 119                 random: rand.New(rand.NewPCG(7, 11)),
 120         }
 121
 122         messages := make([]DatedMessage, count)
 123         for id := range messages {
 124                 kind, text := g.message()
 125                 messages[id] = DatedMessage{
 126                         Kind: kind,
 127                         Text: text,
 128                 }
 129         }
 130
 131         return messages
 132 }
 133
 134 var (
 135         probePeople      = []string{"Mara", "Joel", "Ines", "Tomas", "Priya", "Lena"}
 136         probeBreads      = []string{"rye", "sourdough", "baguette", "brioche", "spelt", "seed loaf"}
 137         probeDays        = []string{"Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}
 138         probeThings      = []string{"order form", "price list", "delivery route", "stock count", "invoice export", "oven schedule"}
 139         probeProblems    = []string{"shows the wrong total", "skips the last row", "is slow at noon", "loses the customer note", "rounds the tax down"}
 140         probePlaces      = []string{"the front page", "the weekly report", "the shared folder", "the admin menu"}
 141         probeTasks       = []string{"add a field for allergies", "send the invoices on Friday", "split the route in two", "print labels for the shelf"}
 142         probeCauses      = []string{"the date has no time zone", "the cache keeps old prices", "the loop stops one row early", "the form trims the note"}
 143         probeChanges     = []string{"the total to use cents", "the route to sort by street", "the export to add the tax line", "the form to keep the note"}
 144         probePreferences = []string{"short answers", "a call before a change to prices", "invoices as PDF", "reports in the morning"}
 145         probeFiles       = []string{"orders/form.go", "prices/list.go", "routes/plan.go", "stock/count.go", "export/invoice.go", "ovens/schedule.go"}
 146         probeModules     = []string{"orders", "prices", "routes", "stock", "export", "ovens"}
 147 )