add a new main to generate random bugs

1 files changed, 127 insertions, 0 deletions

diff --git a/misc/create_random_bugs.go b/misc/create_random_bugs.go
new file mode 100644
index 00000000..d764aa0c
--- /dev/null
+++ b/misc/create_random_bugs.go
@@ -0,0 +1,127 @@
+// +build ignore
+
+package main
+
+import (
+	"math/rand"
+	"os"
+	"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"
+)
+
+const bugNumber = 40
+const personNumber = 5
+const minOp = 3
+const maxOp = 40
+
+type opsGenerator func(*bug.Bug, bug.Person)
+
+// This program will randomly generate a collection of bugs in the repository
+// of the current path
+func main() {
+	rand.Seed(time.Now().UnixNano())
+
+	opsGenerators := []opsGenerator{
+		comment,
+		comment,
+		title,
+		labels,
+		operations.Open,
+		operations.Close,
+	}
+
+	dir, err := os.Getwd()
+	if err != nil {
+		panic(err)
+	}
+
+	repo, err := repository.NewGitRepo(dir, func(repo *repository.GitRepo) error {
+		return nil
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	for i := 0; i < bugNumber; i++ {
+		addedLabels = []string{}
+
+		b, err := operations.Create(randomPerson(), fake.Sentence(), paragraphs())
+
+		if err != nil {
+			panic(err)
+		}
+
+		nOps := minOp + rand.Intn(maxOp-minOp)
+		for j := 0; j < nOps; j++ {
+			index := rand.Intn(len(opsGenerators))
+			opsGenerators[index](b, randomPerson())
+		}
+
+		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() 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)
+}