Added tests for falsy callback

See louischatriot#372

test/executor.test.js

@@ -38,6 +38,25 @@ function testThrowInCallback (d, done) {
   });
 }
 
+//Test that if the callback is falsy, the next DB operations will still be executed
+function testFalsyCallback (d, done) {
+  d.insert({ a: 1 }, null);
+  process.nextTick(function () {
+    d.update({ a: 1 }, { a: 2 }, {}, null);
+    process.nextTick(function () {
+      d.update({ a: 2 }, { a: 1 }, null);
+      process.nextTick(function () {
+        d.remove({ a: 2 }, {}, null);
+        process.nextTick(function () {
+          d.remove({ a: 2 }, null);
+          process.nextTick(function () {
+            d.find({}, done);
+          });
+        });
+      });
+    });
+  });
+}
 
 // Test that operations are executed in the right order
 // We prevent Mocha from catching the exception we throw on purpose by remembering all current handlers, remove them and register them back after test ends
@@ -130,7 +149,11 @@ describe('Executor', function () {
     it('A throw in a callback doesnt prevent execution of next operations', function(done) {
       testThrowInCallback(d, done);
     });
-
+
+    it('A falsy callback doesnt prevent execution of next operations', function(done) {
+      testFalsyCallback(d, done);
+    });
+
     it('Operations are executed in the right order', function(done) {
       testRightOrder(d, done);
     });
@@ -159,7 +182,11 @@ describe('Executor', function () {
     it('A throw in a callback doesnt prevent execution of next operations', function(done) {
       testThrowInCallback(d, done);
     });
-
+
+    it('A falsy callback doesnt prevent execution of next operations', function(done) {
+      testFalsyCallback(d, done);
+    });
+
     it('Operations are executed in the right order', function(done) {
       testRightOrder(d, done);
     });