Add comprehensive tests for role middleware and fix package dependencies

node_modules/chai/lib/chai/utils/getOperator.js

@@ -0,0 +1,55 @@
+var type = require('type-detect');
+
+var flag = require('./flag');
+
+function isObjectType(obj) {
+  var objectType = type(obj);
+  var objectTypes = ['Array', 'Object', 'function'];
+
+  return objectTypes.indexOf(objectType) !== -1;
+}
+
+/**
+ * ### .getOperator(message)
+ *
+ * Extract the operator from error message.
+ * Operator defined is based on below link
+ * https://nodejs.org/api/assert.html#assert_assert.
+ *
+ * Returns the `operator` or `undefined` value for an Assertion.
+ *
+ * @param {Object} object (constructed Assertion)
+ * @param {Arguments} chai.Assertion.prototype.assert arguments
+ * @namespace Utils
+ * @name getOperator
+ * @api public
+ */
+
+module.exports = function getOperator(obj, args) {
+  var operator = flag(obj, 'operator');
+  var negate = flag(obj, 'negate');
+  var expected = args[3];
+  var msg = negate ? args[2] : args[1];
+
+  if (operator) {
+    return operator;
+  }
+
+  if (typeof msg === 'function') msg = msg();
+
+  msg = msg || '';
+  if (!msg) {
+    return undefined;
+  }
+
+  if (/\shave\s/.test(msg)) {
+    return undefined;
+  }
+
+  var isObject = isObjectType(expected);
+  if (/\snot\s/.test(msg)) {
+    return isObject ? 'notDeepStrictEqual' : 'notStrictEqual';
+  }
+
+  return isObject ? 'deepStrictEqual' : 'strictEqual';
+};