Initial commit

node_modules/lru-memoizer/test/lru-memoizer.freeze.test.js

@@ -0,0 +1,45 @@
+const memoizer = require('./..');
+const assert = require('chai').assert;
+
+describe('lru-memoizer (freeze)', function () {
+  var loadTimes = 0, memoized;
+
+  beforeEach(function () {
+    loadTimes = 0;
+
+    memoized = memoizer({
+      load: function (key, callback) {
+        loadTimes++;
+        callback(null, { foo: 'bar' , buffer: new Buffer('1234') });
+      },
+      hash: function (key) {
+        return key;
+      },
+      freeze: true
+    });
+  });
+
+  it('should return a freeze every time with the same cached structure', function (done) {
+    memoized('test', function (err, r1) {
+
+      assert.isNull(err);
+      assert.strictEqual(loadTimes, 1);
+      assert.equal(r1.foo, 'bar');
+      r1.foo = 'bax';
+      assert.isFrozen(r1);
+
+      memoized('test', function (err, r2) {
+        assert.isNull(err);
+
+        assert.strictEqual(loadTimes, 1);
+        assert.equal(r2.foo, 'bar');
+        assert.strictEqual(r1, r2);
+        assert.isFrozen(r2);
+
+        done();
+      });
+    });
+  });
+
+});
+