add beforeEach and afterEach to scenario DSL

src/scenario/Runner.js

@@ -8,23 +8,34 @@ angular.scenario.Runner = function(scope, jQuery){
 
   var specs = this.specs = {};
   var path = [];
-  this.scope.describe = function describe(name, body){
+  this.scope.describe = function(name, body){
     path.push(name);
     body();
     path.pop();
   };
-  this.scope.it = function it(name, body) {
+  var beforeEach = noop;
+  var afterEach = noop;
+  this.scope.beforeEach = function(body) {
+    beforeEach = body;
+  };
+  this.scope.afterEach = function(body) {
+    afterEach = body;
+  };
+  this.scope.it = function(name, body) {
     var specName = path.join(' ') + ': it ' + name;
     self.currentSpec = specs[specName] = {
         name: specName,
         steps:[]
      };
     try {
+      beforeEach();
       body();
     } catch(err) {
       self.addStep(err.message || 'ERROR', function(){
         throw err;
       });
+    } finally {
+      afterEach();
     }
     self.currentSpec = null;
   };

test/scenario/RunnerSpec.js

@@ -14,6 +14,8 @@ describe('Runner', function(){
     body = _jQuery('<div></div>');
     runner = new angular.scenario.Runner(scenario, _jQuery);
     Describe = scenario.describe;
+    BeforeEach = scenario.beforeEach;
+    AfterEach = scenario.afterEach;
     It = scenario.it;
     $scenario = scenario.$scenario;
   });
@@ -36,7 +38,10 @@ describe('Runner', function(){
         expect(spec.name).toEqual('describe name: it should text');
       });
 
-      it('should complain on duplicate it', angular.noop);
+      it('should complain on duplicate it', function() {
+        // WRITE ME!!!!
+      });
+
       it('should create a failing step if there is a javascript error', function(){
         var spec;
         Describe('D1', function(){
@@ -55,6 +60,39 @@ describe('Runner', function(){
         };
       });
     });
+
+    describe('beforeEach', function() {
+      it('should execute beforeEach before every it', function() {
+        Describe('describe name', function(){
+          BeforeEach(logger('before;'));
+          It('should text', logger('body;'));
+          It('should text2', logger('body2;'));
+        });
+        expect(log).toEqual('before;body;before;body2;');
+      });
+    });
+    describe('afterEach', function() {
+      it('should execute afterEach after every it', function() {
+        Describe('describe name', function(){
+          AfterEach(logger('after;'));
+          It('should text', logger('body;'));
+          It('should text2', logger('body2;'));
+        });
+        expect(log).toEqual('body;after;body2;after;');
+      });
+
+      it('should always execute afterEach after every it', function() {
+        Describe('describe name', function(){
+          AfterEach(logger('after;'));
+          It('should text', function() {
+            log = 'body;';
+            throw "MyError";
+          });
+          It('should text2', logger('body2;'));
+        });
+        expect(log).toEqual('body;after;body2;after;');
+      });
+    });
   });
 
   describe('steps building', function(){