initial commit

server/node_modules/lru-memoizer/test/lru-memoizer.lock.test.js

@@ -0,0 +1,36 @@
+const memoizer = require('./..');
+const assert   = require('chai').assert;
+const _        = require('lodash');
+
+describe('lru-simultaneos calls', function () {
+  var loadTimes = 0, memoized;
+
+  beforeEach(function () {
+    loadTimes = 0;
+
+    memoized = memoizer({
+      load: function (a, b, callback) {
+        loadTimes++;
+        setTimeout(function () {
+          callback(null, a + b);
+        }, 100);
+      },
+      hash: function (a, b) {
+        return a + '-' + b;
+      },
+      max: 10
+    });
+  });
+
+  it('should call once', function (done) {
+    memoized(1, 2, _.noop);
+    memoized(1, 2, _.noop);
+    memoized(1, 2, function (err, result) {
+      if (err) { return done(err); }
+      assert.strictEqual(loadTimes, 1);
+      assert.strictEqual(result, 3);
+      done();
+    });
+  });
+
+});