Add comprehensive tests for role middleware and fix package dependencies

node_modules/@sinonjs/samsam/lib/is-subset.js

@@ -0,0 +1,30 @@
+"use strict";
+
+var forEach = require("@sinonjs/commons").prototypes.set.forEach;
+
+/**
+ * Returns `true` when `s1` is a subset of `s2`, `false` otherwise
+ *
+ * @private
+ * @param  {Array|Set}  s1      The target value
+ * @param  {Array|Set}  s2      The containing value
+ * @param  {Function}  compare A comparison function, should return `true` when
+ *                             values are considered equal
+ * @returns {boolean} Returns `true` when `s1` is a subset of `s2`, `false`` otherwise
+ */
+function isSubset(s1, s2, compare) {
+    var allContained = true;
+    forEach(s1, function (v1) {
+        var includes = false;
+        forEach(s2, function (v2) {
+            if (compare(v2, v1)) {
+                includes = true;
+            }
+        });
+        allContained = allContained && includes;
+    });
+
+    return allContained;
+}
+
+module.exports = isSubset;