Add json config reader/writer

pkg/utils/config/config_test.go

@@ -0,0 +1,46 @@
+package config
+
+import (
+	"testing"
+
+	"github.com/minio-io/minio/pkg/utils/crypto/keys"
+	. "gopkg.in/check.v1"
+)
+
+type MySuite struct{}
+
+var _ = Suite(&MySuite{})
+
+func Test(t *testing.T) { TestingT(t) }
+
+func (s *MySuite) TestConfig(c *C) {
+	conf := Config{}
+	conf.SetupConfig()
+
+	accesskey, _ := keys.GetRandomAlphaNumeric(keys.MINIO_ACCESS_ID)
+	secretkey, _ := keys.GetRandomBase64(keys.MINIO_SECRET_ID)
+
+	user := User{
+		Name:      "gnubot",
+		AccessKey: string(accesskey),
+		SecretKey: string(secretkey),
+	}
+
+	conf.AddUser(user)
+	err := conf.WriteConfig()
+	c.Assert(err, IsNil)
+
+	err = conf.ReadConfig()
+	c.Assert(err, IsNil)
+
+	accesskey, _ = keys.GetRandomAlphaNumeric(keys.MINIO_ACCESS_ID)
+	secretkey, _ = keys.GetRandomBase64(keys.MINIO_SECRET_ID)
+	user = User{
+		Name:      "minio",
+		AccessKey: string(accesskey),
+		SecretKey: string(secretkey),
+	}
+	conf.AddUser(user)
+	err = conf.WriteConfig()
+	c.Assert(err, IsNil)
+}