unit tests, and some cleaning up

package-lock.json

@@ -1850,6 +1850,15 @@
         }
       }
     },
+    "mock-socket": {
+      "version": "8.0.5",
+      "resolved": "https://registry.npmjs.org/mock-socket/-/mock-socket-8.0.5.tgz",
+      "integrity": "sha512-dE2EbcxJKQCeYLZSsI7BAiMZCe/bHbJ2LHb5aGwUuDmfoOINEJ8QI6qYJ85NHsSNkNa90F3s6onZcmt/+MppFA==",
+      "dev": true,
+      "requires": {
+        "url-parse": "^1.2.0"
+      }
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -2188,6 +2197,12 @@
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
       "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
     },
+    "querystringify": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.1.0.tgz",
+      "integrity": "sha512-sluvZZ1YiTLD5jsqZcDmFyV2EwToyXZBfpoVOmktMmW+VEnhgakFHnasVph65fOjGPTWN0Nw3+XQaSeMayr0kg==",
+      "dev": true
+    },
     "range-parser": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.0.tgz",
@@ -2248,6 +2263,12 @@
       "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
       "dev": true
     },
+    "requires-port": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
+      "integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=",
+      "dev": true
+    },
     "resolve-dir": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/resolve-dir/-/resolve-dir-1.0.1.tgz",
@@ -2807,6 +2828,16 @@
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       "dev": true
     },
+    "url-parse": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.4.tgz",
+      "integrity": "sha512-/92DTTorg4JjktLNLe6GPS2/RvAd/RGr6LuktmWSMLEOa6rjnlrFXNgSbSmkNvCoL2T028A0a1JaJLzRMlFoHg==",
+      "dev": true,
+      "requires": {
+        "querystringify": "^2.0.0",
+        "requires-port": "^1.0.0"
+      }
+    },
     "use": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",