ref: Create a storage interface

This `Storage` interface will define all the interactions with the
storage system. For now I plan to support native file system through
go's standard library and Nextcloud through *webdav*. So this is the
first step in that direction.

1 files changed, 50 insertions, 0 deletions

diff --git a/testutil/testutil.go b/testutil/testutil.go
new file mode 100644
index 0000000..3b5f7b5
--- /dev/null
+++ b/testutil/testutil.go
@@ -0,0 +1,50 @@
+package testutil
+
+import (
+	"fmt"
+	"math/rand"
+	"os"
+	"time"
+)
+
+func init() {
+	rand.Seed(time.Now().UnixNano())
+}
+
+func RandomString(n int) string {
+	var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
+	s := make([]rune, n)
+	for i := range s {
+		s[i] = letters[rand.Intn(len(letters))]
+	}
+	return string(s)
+}
+
+func CreateFolder() (tmp string) {
+	tmp = fmt.Sprintf("/tmp/%s", RandomString(10))
+
+	err := os.Mkdir(tmp, 0755)
+
+	if err != nil {
+		fmt.Println(err.Error())
+	}
+
+	return
+}
+
+func AppendEmptyFile(path string) (fullPath string) {
+	fullPath = fmt.Sprintf("%s/%s", path, RandomString(10))
+	os.OpenFile(fullPath, os.O_RDONLY|os.O_CREATE, 0666)
+
+	return
+}
+
+func CreateEmptyFile(path string) {
+	os.OpenFile(path, os.O_RDONLY|os.O_CREATE, 0666)
+}
+
+func CreateTmpFile() (fullPath string) {
+	path := CreateFolder()
+	fullPath = AppendEmptyFile(path)
+	return
+}