Merge pull request #80 from doug-martin/master

v0.1.14

Author: doug-martin

docs/History.html

@@ -178,6 +178,10 @@
 
 
 
+<h1>0.1.14</h1>
+<ul>
+<li>Fixed issue with async actions and early match termination.</li>
+</ul>
 <h1>0.1.13</h1>
 <ul>
 <li>Fixed issue <a href="https://github.com/C2FO/nools/issues/68">#68</a> where <code>matchUntilHalt</code> uses a lot of CPU</li>

docs/nools.js

@@ -1,3 +1,7 @@
+#0.1.14
+* Fixed issue with async actions and early match termination.
+
+
 #0.1.13
 * Fixed issue [#68](https://github.com/C2FO/nools/issues/68) where `matchUntilHalt` uses a lot of CPU
 * Fixed issue [#45](https://github.com/C2FO/nools/issues/45), now compiled rules support `or` constraint with more than 2 inner constraints.

history.md

@@ -47,12 +47,14 @@ Promise.extend({
         },
 
         __handleAsyncNext: function (next) {
-            var self = this;
+            var self = this, agenda = self.agenda;
             return next.addCallback(function () {
                 self.looping = false;
-                if (self.flowAltered) {
-                    self.rootNode.incrementCounter();
-                    self.flowAltered = false;
+                if (!agenda.isEmpty()) {
+                    if (self.flowAltered) {
+                        self.rootNode.incrementCounter();
+                        self.flowAltered = false;
+                    }
                     if (!self.__halted) {
                         self.callNext();
                     } else {
@@ -67,9 +69,11 @@ Promise.extend({
 
         __handleSyncNext: function (next) {
             this.looping = false;
-            if (this.flowAltered) {
-                this.rootNode.incrementCounter();
-                this.flowAltered = false;
+            if (!this.agenda.isEmpty()) {
+                if (this.flowAltered) {
+                    this.rootNode.incrementCounter();
+                    this.flowAltered = false;
+                }
             }
             if (next && !this.__halted) {
                 nextTick(this.callNext);
@@ -88,7 +92,7 @@ Promise.extend({
         callNext: function () {
             this.looping = true;
             var next = this.agenda.fireNext();
-            return isPromiseLike(next) ? this.__handleAsyncNext(next) : this.__handleSyncNext(next);
+            return isPromiseLike(next) ? this.__handleAsyncNext(next): this.__handleSyncNext(next);
         },
 
         execute: function () {

lib/executionStrategy.js

@@ -1356,12 +1356,14 @@ Promise.extend({
         },
 
         __handleAsyncNext: function (next) {
-            var self = this;
+            var self = this, agenda = self.agenda;
             return next.addCallback(function () {
                 self.looping = false;
-                if (self.flowAltered) {
-                    self.rootNode.incrementCounter();
-                    self.flowAltered = false;
+                if (!agenda.isEmpty()) {
+                    if (self.flowAltered) {
+                        self.rootNode.incrementCounter();
+                        self.flowAltered = false;
+                    }
                     if (!self.__halted) {
                         self.callNext();
                     } else {
@@ -1376,9 +1378,11 @@ Promise.extend({
 
         __handleSyncNext: function (next) {
             this.looping = false;
-            if (this.flowAltered) {
-                this.rootNode.incrementCounter();
-                this.flowAltered = false;
+            if (!this.agenda.isEmpty()) {
+                if (this.flowAltered) {
+                    this.rootNode.incrementCounter();
+                    this.flowAltered = false;
+                }
             }
             if (next && !this.__halted) {
                 nextTick(this.callNext);
@@ -1397,7 +1401,7 @@ Promise.extend({
         callNext: function () {
             this.looping = true;
             var next = this.agenda.fireNext();
-            return isPromiseLike(next) ? this.__handleAsyncNext(next) : this.__handleSyncNext(next);
+            return isPromiseLike(next) ? this.__handleAsyncNext(next): this.__handleSyncNext(next);
         },
 
         execute: function () {

nools.js

@@ -1,7 +1,7 @@
 {
     "name": "nools",
     "description": "A rules engine for node",
-    "version": "0.1.13",
+    "version": "0.1.14",
     "bin": {
         "nools": "./bin/nools"
     },

nools.min.js

@@ -60,7 +60,6 @@ it.describe("nools", function (it) {
             var name = "delete nools flows";
             nools.flow(name);
             assert.isTrue(nools.hasFlow(name));
-            debugger;
             assert.equal(nools.deleteFlows(), nools);
             assert.isFalse(nools.hasFlow(name));
         });
@@ -690,6 +689,48 @@ it.describe("Flow", function (it) {
         });
     });
 
+    it.describe("async actions", function (it) {
+
+        var flow;
+
+        it.timeout(2000);
+
+        function Message(m) {
+            this.message = m;
+        }
+
+
+        it.beforeAll(function () {
+            flow = nools.flow("async flow", function () {
+                this.rule("Hello", [Message, "m", "m.message == 'hello'"], function (facts, engine, next) {
+                    setTimeout(function () {
+                        next();
+                    }, 500);
+                });
+
+                this.rule("Goodbye", [Message, "m", "m.message == 'hello goodbye'"], function (facts, engine, next) {
+                    setTimeout(function () {
+                        next();
+                    }, 500);
+                });
+
+            });
+        });
+
+        it.should("fire all rules", function () {
+            var fired = [];
+            var session = flow.getSession(new Message("hello"), new Message("hello goodbye"))
+                .on("fire", function (name) {
+                    debugger;
+                    fired.push(name);
+                });
+            return session.match().then(function () {
+                assert.deepEqual(fired, ["Goodbye", "Hello"]);
+            })
+        });
+
+    });
+
     it.describe("#matchUntilHalt", function (it) {
         function Message(m) {
             this.message = m;