always force compilation of templates even if cached (fixes mozilla#130)

src/environment.js

@@ -110,6 +110,10 @@ var Environment = Obj.extend({
         var tmpl = this.cache[name];
 
         if(tmpl) {
+            if(eagerCompile) {
+                tmpl.compile();
+            }
+
             if(cb) {
                 cb(null, tmpl);
             }
@@ -327,9 +331,7 @@ var Template = Obj.extend({
         }
 
         return lib.withPrettyErrors(this.path, this.env.dev, function() {
-            if(!this.compiled) {
-                this._compile();
-            }
+            this.compile();
 
             var context = new Context(ctx || {}, this.blocks);
             var syncResult = null;
@@ -348,9 +350,7 @@ var Template = Obj.extend({
     },
 
     getExported: function(cb) {
-        if(!this.compiled) {
-            this._compile();
-        }
+        this.compile();
 
         // Run the rootRenderFunc to populate the context with exported vars
         var context = new Context({}, this.blocks);
@@ -363,6 +363,12 @@ var Template = Obj.extend({
                             });
     },
 
+    compile: function() {
+        if(!this.compiled) {
+            this._compile();
+        }
+    },
+
     _compile: function() {
         var props;
 

tests/api.js

@@ -0,0 +1,26 @@
+(function() {
+    var expect, Environment, Loader, templatesPath;
+
+    if(typeof require != 'undefined') {
+        expect = require('expect.js');
+        Environment = require('../src/environment').Environment;
+        Loader = require('../src/node-loaders').FileSystemLoader;
+        templatesPath = 'tests/templates';
+    }
+    else {
+        expect = window.expect;
+        Environment = nunjucks.Environment;
+        Loader = nunjucks.WebLoader;
+        templatesPath = '../templates';
+    }
+
+    describe('api', function() {
+        it('should always force compilation of parent template', function() {
+            var env = new Environment(new Loader(templatesPath));
+
+            var parent = env.getTemplate('base.html');
+            var child = env.getTemplate('base-inherit.html');
+            expect(child.render()).to.be('Foo*Bar*BazFizzle');
+        });
+    });
+})();