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package random_bugs
import (
"math/rand"
"strings"
"time"
"github.com/icrowley/fake"
"github.com/MichaelMure/git-bug/bug"
"github.com/MichaelMure/git-bug/identity"
"github.com/MichaelMure/git-bug/repository"
)
type opsGenerator func(bug.Interface, identity.Interface, int64)
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 FillRepo(repo repository.ClockedRepo, bugNumber int) {
FillRepoWithSeed(repo, bugNumber, time.Now().UnixNano())
}
func FillRepoWithSeed(repo repository.ClockedRepo, bugNumber int, seed int64) {
options := DefaultOptions()
options.BugNumber = bugNumber
CommitRandomBugsWithSeed(repo, options, seed)
}
func CommitRandomBugs(repo repository.ClockedRepo, opts Options) {
CommitRandomBugsWithSeed(repo, opts, time.Now().UnixNano())
}
func CommitRandomBugsWithSeed(repo repository.ClockedRepo, opts Options, seed int64) {
generateRandomPersons(repo, opts.PersonNumber)
bugs := generateRandomBugsWithSeed(opts, seed)
for _, b := range bugs {
err := b.Commit(repo)
if err != nil {
panic(err)
}
}
}
func generateRandomBugsWithSeed(opts Options, seed int64) []*bug.Bug {
rand.Seed(seed)
fake.Seed(seed)
// At the moment git-bug has a risk of hash collision is simple
// operation (like open/close) are made with the same timestamp.
// As a temporary workaround, we use here an strictly increasing
// timestamp
timestamp := time.Now().Unix()
opsGenerators := []opsGenerator{
comment,
comment,
title,
labels,
open,
close,
}
result := make([]*bug.Bug, opts.BugNumber)
for i := 0; i < opts.BugNumber; i++ {
addedLabels = []string{}
b, _, err := bug.Create(
randomPerson(),
time.Now().Unix(),
fake.Sentence(),
paragraphs(),
)
if err != nil {
panic(err)
}
nOps := opts.MinOp
if opts.MaxOp > opts.MinOp {
nOps += rand.Intn(opts.MaxOp - opts.MinOp)
}
for j := 0; j < nOps; j++ {
index := rand.Intn(len(opsGenerators))
opsGenerators[index](b, randomPerson(), timestamp)
timestamp++
}
result[i] = b
}
return result
}
func GenerateRandomOperationPacks(packNumber int, opNumber int) []*bug.OperationPack {
return GenerateRandomOperationPacksWithSeed(packNumber, opNumber, time.Now().UnixNano())
}
func GenerateRandomOperationPacksWithSeed(packNumber int, opNumber int, seed int64) []*bug.OperationPack {
// Note: this is a bit crude, only generate a Create + Comments
panic("this piece of code needs to be updated to make sure that the identities " +
"are properly commit before usage. That is, generateRandomPersons() need to be called.")
rand.Seed(seed)
fake.Seed(seed)
result := make([]*bug.OperationPack, packNumber)
for i := 0; i < packNumber; i++ {
opp := &bug.OperationPack{}
var op bug.Operation
op = bug.NewCreateOp(
randomPerson(),
time.Now().Unix(),
fake.Sentence(),
paragraphs(),
nil,
)
opp.Append(op)
for j := 0; j < opNumber-1; j++ {
op = bug.NewAddCommentOp(
randomPerson(),
time.Now().Unix(),
paragraphs(),
nil,
)
opp.Append(op)
}
result[i] = opp
}
return result
}
func person() identity.Interface {
return identity.NewIdentity(fake.FullName(), fake.EmailAddress())
}
var persons []identity.Interface
func generateRandomPersons(repo repository.ClockedRepo, n int) {
persons = make([]identity.Interface, n)
for i := range persons {
p := person()
err := p.Commit(repo)
if err != nil {
panic(err)
}
persons[i] = p
}
}
func randomPerson() identity.Interface {
index := rand.Intn(len(persons))
return persons[index]
}
func paragraphs() string {
p := fake.Paragraphs()
return strings.Replace(p, "\t", "\n\n", -1)
}
func comment(b bug.Interface, p identity.Interface, timestamp int64) {
_, _ = bug.AddComment(b, p, timestamp, paragraphs())
}
func title(b bug.Interface, p identity.Interface, timestamp int64) {
_, _ = bug.SetTitle(b, p, timestamp, fake.Sentence())
}
func open(b bug.Interface, p identity.Interface, timestamp int64) {
_, _ = bug.Open(b, p, timestamp)
}
func close(b bug.Interface, p identity.Interface, timestamp int64) {
_, _ = bug.Close(b, p, timestamp)
}
var addedLabels []string
func labels(b bug.Interface, p identity.Interface, timestamp int64) {
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]
nbRemoved--
}
var added []string
nbAdded := rand.Intn(3)
for i := 0; i < nbAdded; i++ {
label := fake.Word()
added = append(added, label)
addedLabels = append(addedLabels, label)
}
// ignore error
// if the randomisation produce no changes, no op
// is added to the bug
_, _, _ = bug.ChangeLabels(b, p, timestamp, added, removed)
}
|
