1package random_bugs
  2
  3import (
  4	"math/rand"
  5	"strings"
  6	"time"
  7
  8	"github.com/MichaelMure/git-bug/bug"
  9	"github.com/MichaelMure/git-bug/bug/operations"
 10	"github.com/MichaelMure/git-bug/repository"
 11	"github.com/icrowley/fake"
 12)
 13
 14type opsGenerator func(bug.Interface, bug.Person)
 15
 16type Options struct {
 17	BugNumber    int
 18	PersonNumber int
 19	MinOp        int
 20	MaxOp        int
 21}
 22
 23func DefaultOptions() Options {
 24	return Options{
 25		BugNumber:    15,
 26		PersonNumber: 5,
 27		MinOp:        3,
 28		MaxOp:        20,
 29	}
 30}
 31
 32func GenerateRandomBugs(repo repository.Repo, opts Options) {
 33	GenerateRandomBugsWithSeed(repo, opts, time.Now().UnixNano())
 34}
 35
 36func GenerateRandomBugsWithSeed(repo repository.Repo, opts Options, seed int64) {
 37	rand.Seed(seed)
 38	fake.Seed(seed)
 39
 40	opsGenerators := []opsGenerator{
 41		comment,
 42		comment,
 43		title,
 44		labels,
 45		operations.Open,
 46		operations.Close,
 47	}
 48
 49	for i := 0; i < opts.BugNumber; i++ {
 50		addedLabels = []string{}
 51
 52		b, err := operations.Create(randomPerson(opts.PersonNumber), fake.Sentence(), paragraphs())
 53
 54		if err != nil {
 55			panic(err)
 56		}
 57
 58		nOps := opts.MinOp + rand.Intn(opts.MaxOp-opts.MinOp)
 59		for j := 0; j < nOps; j++ {
 60			index := rand.Intn(len(opsGenerators))
 61			opsGenerators[index](b, randomPerson(opts.PersonNumber))
 62		}
 63
 64		err = b.Commit(repo)
 65		if err != nil {
 66			panic(err)
 67		}
 68	}
 69}
 70
 71func person() bug.Person {
 72	return bug.Person{
 73		Name:  fake.FullName(),
 74		Email: fake.EmailAddress(),
 75	}
 76}
 77
 78var persons []bug.Person
 79
 80func randomPerson(personNumber int) bug.Person {
 81	if len(persons) == 0 {
 82		persons = make([]bug.Person, personNumber)
 83		for i := range persons {
 84			persons[i] = person()
 85		}
 86	}
 87
 88	index := rand.Intn(personNumber)
 89	return persons[index]
 90}
 91
 92func paragraphs() string {
 93	p := fake.Paragraphs()
 94	return strings.Replace(p, "\t", "\n\n", -1)
 95}
 96
 97func comment(b bug.Interface, p bug.Person) {
 98	operations.Comment(b, p, paragraphs())
 99}
100
101func title(b bug.Interface, p bug.Person) {
102	operations.SetTitle(b, p, fake.Sentence())
103}
104
105var addedLabels []string
106
107func labels(b bug.Interface, p bug.Person) {
108	var removed []string
109	nbRemoved := rand.Intn(3)
110	for nbRemoved > 0 && len(addedLabels) > 0 {
111		index := rand.Intn(len(addedLabels))
112		removed = append(removed, addedLabels[index])
113		addedLabels[index] = addedLabels[len(addedLabels)-1]
114		addedLabels = addedLabels[:len(addedLabels)-1]
115	}
116
117	var added []string
118	nbAdded := rand.Intn(3)
119	for i := 0; i < nbAdded; i++ {
120		label := fake.Word()
121		added = append(added, label)
122		addedLabels = append(addedLabels, label)
123	}
124
125	operations.ChangeLabels(nil, b, p, added, removed)
126}