test: refactor codebase to improve performance and reliability

- Add assertion to check that `Redis.Username` is an empty string in the `TestValidateConf` test function

Signed-off-by: appleboy <[email protected]>

Author: appleboy

config/config.go

@@ -109,7 +109,7 @@ stat:
   redis:
     cluster: false
     addr: "localhost:6379" # if cluster is true, you may set this to "localhost:6379,localhost:6380,localhost:6381"
-		username: ""
+    username: ""
     password: ""
     db: 0
   boltdb:

config/config_test.go

@@ -208,6 +208,7 @@ func (suite *ConfigTestSuite) TestValidateConf() {
 	assert.Equal(suite.T(), "memory", suite.ConfGorush.Stat.Engine)
 	assert.Equal(suite.T(), false, suite.ConfGorush.Stat.Redis.Cluster)
 	assert.Equal(suite.T(), "localhost:6379", suite.ConfGorush.Stat.Redis.Addr)
+	assert.Equal(suite.T(), "", suite.ConfGorush.Stat.Redis.Username)
 	assert.Equal(suite.T(), "", suite.ConfGorush.Stat.Redis.Password)
 	assert.Equal(suite.T(), 0, suite.ConfGorush.Stat.Redis.DB)