From 18fe3d84330c918c9944cd6c4d5803ff14c2e030 Mon Sep 17 00:00:00 2001
From: Florent Messa <florent.messa@gmail.com>
Date: Mon, 2 Dec 2019 09:51:45 +0100
Subject: [PATCH] fix: add tests for uniq ids entropy

---
 task.go       |  2 +-
 utils.go      |  8 ++++----
 utils_test.go | 23 +++++++++++++++++++++++
 3 files changed, 28 insertions(+), 5 deletions(-)
 create mode 100644 utils_test.go

diff --git a/task.go b/task.go
index f9935f4..ee54f07 100644
--- a/task.go
+++ b/task.go
@@ -48,7 +48,7 @@ func NewTask(name string, payload interface{}, options ...Option) *Task {
 	}
 
 	t := &Task{
-		ID:          id(),
+		ID:          ID(),
 		Name:        name,
 		Payload:     payload,
 		Status:      taskStatusWaiting,
diff --git a/utils.go b/utils.go
index c31e243..c64f90e 100644
--- a/utils.go
+++ b/utils.go
@@ -10,10 +10,10 @@ import (
 	"github.com/pkg/errors"
 )
 
-func id() string {
-	t := time.Unix(1000000, 0)
-	entropy := ulid.Monotonic(rand.New(rand.NewSource(t.UnixNano())), 0)
-	return ulid.MustNew(ulid.Now(), entropy).String()
+func ID() string {
+	t := time.Now().UTC()
+	entropy := rand.New(rand.NewSource(t.UnixNano()))
+	return ulid.MustNew(ulid.Timestamp(t), entropy).String()
 }
 
 func reverseDurations(durations []time.Duration) []time.Duration {
diff --git a/utils_test.go b/utils_test.go
new file mode 100644
index 0000000..18e4e78
--- /dev/null
+++ b/utils_test.go
@@ -0,0 +1,23 @@
+package bokchoy_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/thoas/bokchoy"
+	"github.com/thoas/go-funk"
+)
+
+func TestUtils_ID(t *testing.T) {
+	is := assert.New(t)
+
+	iteration := 1000
+
+	ids := make([]string, iteration)
+
+	for i := 0; i < iteration; i++ {
+		ids[i] = bokchoy.ID()
+	}
+
+	is.Len(funk.UniqString(ids), iteration)
+}