refactor(topology): report topology state for helper methods

Author: mbroadst

lib/core/sdam/topology.js

@@ -712,15 +712,12 @@ class Topology extends EventEmitter {
     return this.s.clientInfo;
   }
 
-  // Legacy methods for compat with old topology types
   isConnected() {
-    // console.log('not implemented: `isConnected`');
-    return true;
+    return this.s.state === STATE_CONNECTED;
   }
 
   isDestroyed() {
-    // console.log('not implemented: `isDestroyed`');
-    return false;
+    return this.s.state === STATE_CLOSED;
   }
 
   unref() {

package.json

@@ -64,6 +64,7 @@
   "scripts": {
     "atlas": "node ./test/atlas_connectivity_tests.js",
     "test": "npm run lint && mocha --recursive test/functional test/unit test/core",
+    "test-nolint": "mocha --recursive test/functional test/unit test/core",
     "coverage": "istanbul cover mongodb-test-runner -- -t 60000 test/core test/unit test/functional",
     "lint": "eslint lib test",
     "format": "prettier --print-width 100 --tab-width 2 --single-quote --write 'test/**/*.js' 'lib/**/*.js'",