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node_modules/strong-store-cluster/test/helper/do-lock-get-set-del.js

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+
+exports.run = run;
+exports.teardown = teardown;
+
+
+var assert = require('assert'),
+    cluster = require('cluster'),
+    store = require('../..');
+
+
+function run(cb) {
+  var testsRun = 0;
+
+  testWith('test1', 'key1', {foo: 'zulis'}, onDone);
+  testWith('test2', 'quux', ['stoll'], onDone);
+  testWith('test2', 'key1', 'urals', onDone);
+  testWith('test2', 'key2', 42, onDone);
+
+  function onDone() {
+    if (++testsRun === 4)
+      cb();
+  }
+}
+
+
+function testWith(collectionName, key, testValue, cb) {
+  var coll = store.collection(collectionName);
+
+  coll.set(key, testValue, function(err, value) {
+    assert(!err);
+
+    coll.acquire(key, function(err, lock, value) {
+      assert(!err);
+
+      assert.deepEqual(testValue, value);
+      assert.deepEqual(testValue, lock.get());
+
+      // Non-primitive values should be deep-cloned.
+      if (typeof testValue === 'object') {
+        assert(testValue !== value);
+        assert(testValue !== lock.get());
+      }
+
+      lock.set('other');
+      assert('other' === lock.get());
+
+      lock.release(function(err) {
+        assert(!err);
+      });
+
+      coll.acquire(key, function(err, lock, value) {
+        assert(!err);
+
+        assert('other' === value);
+        assert('other' === lock.get());
+
+        lock.del();
+        assert(undefined === lock.get());
+
+        lock.release(function(err) {
+          assert(!err);
+        });
+
+        coll.get(key, function(err, value) {
+          assert(!err);
+          assert(undefined === value);
+
+          // That was it!
+          cb();
+        });
+      });
+    });
+  });
+}
+
+
+function teardown() {
+  if (cluster.isWorker)
+    process._channel.unref();
+}