1 files changed, 227 insertions, 0 deletions
diff --git a/src/ngScenario/Runner.js b/src/ngScenario/Runner.js
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+++ b/src/ngScenario/Runner.js
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+'use strict';
+
+/**
+ * Runner for scenarios
+ *
+ * Has to be initialized before any test is loaded,
+ * because it publishes the API into window (global space).
+ */
+angular.scenario.Runner = function($window) {
+  this.listeners = [];
+  this.$window = $window;
+  this.rootDescribe = new angular.scenario.Describe();
+  this.currentDescribe = this.rootDescribe;
+  this.api = {
+    it: this.it,
+    iit: this.iit,
+    xit: angular.noop,
+    describe: this.describe,
+    ddescribe: this.ddescribe,
+    xdescribe: angular.noop,
+    beforeEach: this.beforeEach,
+    afterEach: this.afterEach
+  };
+  angular.forEach(this.api, angular.bind(this, function(fn, key) {
+    this.$window[key] = angular.bind(this, fn);
+  }));
+};
+
+/**
+ * Emits an event which notifies listeners and passes extra
+ * arguments.
+ *
+ * @param {string} eventName Name of the event to fire.
+ */
+angular.scenario.Runner.prototype.emit = function(eventName) {
+  var self = this;
+  var args = Array.prototype.slice.call(arguments, 1);
+  eventName = eventName.toLowerCase();
+  if (!this.listeners[eventName])
+    return;
+  angular.forEach(this.listeners[eventName], function(listener) {
+    listener.apply(self, args);
+  });
+};
+
+/**
+ * Adds a listener for an event.
+ *
+ * @param {string} eventName The name of the event to add a handler for
+ * @param {string} listener The fn(...) that takes the extra arguments from emit()
+ */
+angular.scenario.Runner.prototype.on = function(eventName, listener) {
+  eventName = eventName.toLowerCase();
+  this.listeners[eventName] = this.listeners[eventName] || [];
+  this.listeners[eventName].push(listener);
+};
+
+/**
+ * Defines a describe block of a spec.
+ *
+ * @see Describe.js
+ *
+ * @param {string} name Name of the block
+ * @param {function()} body Body of the block
+ */
+angular.scenario.Runner.prototype.describe = function(name, body) {
+  var self = this;
+  this.currentDescribe.describe(name, function() {
+    var parentDescribe = self.currentDescribe;
+    self.currentDescribe = this;
+    try {
+      body.call(this);
+    } finally {
+      self.currentDescribe = parentDescribe;
+    }
+  });
+};
+
+/**
+ * Same as describe, but makes ddescribe the only blocks to run.
+ *
+ * @see Describe.js
+ *
+ * @param {string} name Name of the block
+ * @param {function()} body Body of the block
+ */
+angular.scenario.Runner.prototype.ddescribe = function(name, body) {
+  var self = this;
+  this.currentDescribe.ddescribe(name, function() {
+    var parentDescribe = self.currentDescribe;
+    self.currentDescribe = this;
+    try {
+      body.call(this);
+    } finally {
+      self.currentDescribe = parentDescribe;
+    }
+  });
+};
+
+/**
+ * Defines a test in a describe block of a spec.
+ *
+ * @see Describe.js
+ *
+ * @param {string} name Name of the block
+ * @param {function()} body Body of the block
+ */
+angular.scenario.Runner.prototype.it = function(name, body) {
+  this.currentDescribe.it(name, body);
+};
+
+/**
+ * Same as it, but makes iit tests the only tests to run.
+ *
+ * @see Describe.js
+ *
+ * @param {string} name Name of the block
+ * @param {function()} body Body of the block
+ */
+angular.scenario.Runner.prototype.iit = function(name, body) {
+  this.currentDescribe.iit(name, body);
+};
+
+/**
+ * Defines a function to be called before each it block in the describe
+ * (and before all nested describes).
+ *
+ * @see Describe.js
+ *
+ * @param {function()} Callback to execute
+ */
+angular.scenario.Runner.prototype.beforeEach = function(body) {
+  this.currentDescribe.beforeEach(body);
+};
+
+/**
+ * Defines a function to be called after each it block in the describe
+ * (and before all nested describes).
+ *
+ * @see Describe.js
+ *
+ * @param {function()} Callback to execute
+ */
+angular.scenario.Runner.prototype.afterEach = function(body) {
+  this.currentDescribe.afterEach(body);
+};
+
+/**
+ * Creates a new spec runner.
+ *
+ * @private
+ * @param {Object} scope parent scope
+ */
+angular.scenario.Runner.prototype.createSpecRunner_ = function(scope) {
+  var child = scope.$new();
+  var Cls = angular.scenario.SpecRunner;
+
+  // Export all the methods to child scope manually as now we don't mess controllers with scopes
+  // TODO(vojta): refactor scenario runner so that these objects are not tightly coupled as current
+  for (var name in Cls.prototype)
+    child[name] = angular.bind(child, Cls.prototype[name]);
+
+  Cls.call(child);
+  return child;
+};
+
+/**
+ * Runs all the loaded tests with the specified runner class on the
+ * provided application.
+ *
+ * @param {angular.scenario.Application} application App to remote control.
+ */
+angular.scenario.Runner.prototype.run = function(application) {
+  var self = this;
+  var $root = angular.injector(['ng']).get('$rootScope');
+  angular.extend($root, this);
+  angular.forEach(angular.scenario.Runner.prototype, function(fn, name) {
+    $root[name] = angular.bind(self, fn);
+  });
+  $root.application = application;
+  $root.emit('RunnerBegin');
+  asyncForEach(this.rootDescribe.getSpecs(), function(spec, specDone) {
+    var dslCache = {};
+    var runner = self.createSpecRunner_($root);
+    angular.forEach(angular.scenario.dsl, function(fn, key) {
+      dslCache[key] = fn.call($root);
+    });
+    angular.forEach(angular.scenario.dsl, function(fn, key) {
+      self.$window[key] = function() {
+        var line = callerFile(3);
+        var scope = runner.$new();
+
+        // Make the dsl accessible on the current chain
+        scope.dsl = {};
+        angular.forEach(dslCache, function(fn, key) {
+          scope.dsl[key] = function() {
+            return dslCache[key].apply(scope, arguments);
+          };
+        });
+
+        // Make these methods work on the current chain
+        scope.addFuture = function() {
+          Array.prototype.push.call(arguments, line);
+          return angular.scenario.SpecRunner.
+            prototype.addFuture.apply(scope, arguments);
+        };
+        scope.addFutureAction = function() {
+          Array.prototype.push.call(arguments, line);
+          return angular.scenario.SpecRunner.
+            prototype.addFutureAction.apply(scope, arguments);
+        };
+
+        return scope.dsl[key].apply(scope, arguments);
+      };
+    });
+    runner.run(spec, function() {
+      runner.$destroy();
+      specDone.apply(this, arguments);
+    });
+  },
+  function(error) {
+    if (error) {
+      self.emit('RunnerError', error);
+    }
+    self.emit('RunnerEnd');
+  });
+};