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package random_bugs
import (
"math/rand"
"strings"
"time"
"github.com/MichaelMure/git-bug/bug"
"github.com/MichaelMure/git-bug/bug/operations"
"github.com/MichaelMure/git-bug/repository"
"github.com/icrowley/fake"
)
type opsGenerator func(*bug.Bug, bug.Person)
type Options struct {
BugNumber int
PersonNumber int
MinOp int
MaxOp int
}
func DefaultOptions() Options {
return Options{
BugNumber: 15,
PersonNumber: 5,
MinOp: 3,
MaxOp: 20,
}
}
func GenerateRandomBugs(repo repository.Repo, opts Options) {
GenerateRandomBugsWithSeed(repo, opts, time.Now().UnixNano())
}
func GenerateRandomBugsWithSeed(repo repository.Repo, opts Options, seed int64) {
rand.Seed(seed)
fake.Seed(seed)
opsGenerators := []opsGenerator{
comment,
comment,
title,
labels,
operations.Open,
operations.Close,
}
for i := 0; i < opts.BugNumber; i++ {
addedLabels = []string{}
b, err := operations.Create(randomPerson(opts.PersonNumber), fake.Sentence(), paragraphs())
if err != nil {
panic(err)
}
nOps := opts.MinOp + rand.Intn(opts.MaxOp-opts.MinOp)
for j := 0; j < nOps; j++ {
index := rand.Intn(len(opsGenerators))
opsGenerators[index](b, randomPerson(opts.PersonNumber))
}
err = b.Commit(repo)
if err != nil {
panic(err)
}
}
}
func person() bug.Person {
return bug.Person{
Name: fake.FullName(),
Email: fake.EmailAddress(),
}
}
var persons []bug.Person
func randomPerson(personNumber int) bug.Person {
if len(persons) == 0 {
persons = make([]bug.Person, personNumber)
for i := range persons {
persons[i] = person()
}
}
index := rand.Intn(personNumber)
return persons[index]
}
func paragraphs() string {
p := fake.Paragraphs()
return strings.Replace(p, "\t", "\n\n", -1)
}
func comment(b *bug.Bug, p bug.Person) {
operations.Comment(b, p, paragraphs())
}
func title(b *bug.Bug, p bug.Person) {
operations.SetTitle(b, p, fake.Sentence())
}
var addedLabels []string
func labels(b *bug.Bug, p bug.Person) {
var removed []string
nbRemoved := rand.Intn(3)
for nbRemoved > 0 && len(addedLabels) > 0 {
index := rand.Intn(len(addedLabels))
removed = append(removed, addedLabels[index])
addedLabels[index] = addedLabels[len(addedLabels)-1]
addedLabels = addedLabels[:len(addedLabels)-1]
}
var added []string
nbAdded := rand.Intn(3)
for i := 0; i < nbAdded; i++ {
label := fake.Word()
added = append(added, label)
addedLabels = append(addedLabels, label)
}
operations.ChangeLabels(nil, b, p, added, removed)
}
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