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/**
* This class is the "this" of the it/beforeEach/afterEach method.
* Responsibilities:
* - "this" for it/beforeEach/afterEach
* - keep state for single it/beforeEach/afterEach execution
* - keep track of all of the futures to execute
* - run single spec (execute each future)
*/
angular.scenario.SpecRunner = function() {
this.futures = [];
this.afterIndex = 0;
};
/**
* Executes a spec which is an it block with associated before/after functions
* based on the describe nesting.
*
* @param {Object} An angular.scenario.UI implementation
* @param {Object} A spec object
* @param {Object} An angular.scenario.Application instance
* @param {Function} Callback function that is called when the spec finshes.
*/
angular.scenario.SpecRunner.prototype.run = function(ui, spec, specDone) {
var self = this;
var specUI = ui.addSpec(spec);
try {
spec.before.call(this);
spec.body.call(this);
this.afterIndex = this.futures.length;
spec.after.call(this);
} catch (e) {
specUI.error(e);
specDone();
return;
}
var handleError = function(error, done) {
if (self.error) {
return done();
}
self.error = true;
done(null, self.afterIndex);
};
var spec = this;
asyncForEach(
this.futures,
function(future, futureDone) {
var stepUI = specUI.addStep(future.name, future.line);
try {
future.execute(function(error) {
stepUI.finish(error);
if (error) {
return handleError(error, futureDone);
}
spec.$window.setTimeout( function() { futureDone(); }, 0);
});
} catch (e) {
stepUI.error(e);
handleError(e, futureDone);
}
},
function(e) {
if (e) {
specUI.error(e);
} else {
specUI.finish();
}
specDone();
}
);
};
/**
* Adds a new future action.
*
* Note: Do not pass line manually. It happens automatically.
*
* @param {String} Name of the future
* @param {Function} Behavior of the future
* @param {Function} fn() that returns file/line number
*/
angular.scenario.SpecRunner.prototype.addFuture = function(name, behavior, line) {
var future = new angular.scenario.Future(name, angular.bind(this, behavior), line);
this.futures.push(future);
return future;
};
/**
* Adds a new future action to be executed on the application window.
*
* Note: Do not pass line manually. It happens automatically.
*
* @param {String} Name of the future
* @param {Function} Behavior of the future
* @param {Function} fn() that returns file/line number
*/
angular.scenario.SpecRunner.prototype.addFutureAction = function(name, behavior, line) {
var self = this;
return this.addFuture(name, function(done) {
this.application.executeAction(function($window, $document) {
$document.elements = function(selector) {
var args = Array.prototype.slice.call(arguments, 1);
if (self.selector) {
selector = self.selector + ' ' + (selector || '');
}
angular.foreach(args, function(value, index) {
selector = selector.replace('$' + (index + 1), value);
});
var result = $document.find(selector);
if (!result.length) {
throw {
type: 'selector',
message: 'Selector ' + selector + ' did not match any elements.'
};
}
return result;
};
try {
behavior.call(self, $window, $document, done);
} catch(e) {
if (e.type && e.type === 'selector') {
done(e.message);
} else {
throw e;
}
}
});
}, line);
};
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