add getIP test cases, misc others

.nycrc.json

@@ -1,10 +1,14 @@
 {
   "extends": "@istanbuljs/nyc-config-typescript",
   "check-coverage": false,
+  "ski-full": true,
+  "reporter": ["text", "html"],
+  "include": [
+    "src/**/*.ts"
+  ],
   "exclude": [
     "src/routes/addUnlistedVideo.ts",
     "src/cronjob/downvoteSegmentArchiveJob.ts",
     "src/databases/*"
-  ],
-  "reporter": ["text", "html"]
+  ]
 }