feat(data_table): add support to cucumberjs

cucumber/cucumber-tests.ts

@@ -1,24 +1,26 @@
 /// <reference path="cucumber.d.ts" />
+/// <reference path="../assert/assert.d.ts" />
 
 function StepSample() {
 	type Callback = cucumber.CallbackStepDefinition;
+  type Table = cucumber.TableDefinition;
 	var step = <cucumber.StepDefinitions>this;
 	var hook = <cucumber.Hooks>this;
-	
+
 	hook.Before(function(scenario, callback){
 		scenario.isFailed() && callback.pending();
 	})
-	
+
 	hook.Around(function(scenario, runScenario)  {
 		scenario.isFailed() && runScenario(null, function(){
 			console.log('finish tasks');
 		});
 	});
-	
+
 	hook.registerHandler('AfterFeatures', function (event, callback) {
 		callback();
 	});
-	
+
 	step.Given(/^I am on the Cucumber.js GitHub repository$/, function(callback:Callback) {
 		this.visit('https://github.com/cucumber/cucumber-js', callback);
 	});
@@ -36,5 +38,43 @@ function StepSample() {
 			callback(new Error("Expected to be on page with title " + title));
 		}
 	});
+  
+  // Type for data_table.js on 
+  // https://github.com/cucumber/cucumber-js/blob/a5fd8251918c278ab2e389226d165cedb44df14a/lib/cucumber/ast/data_table.js
+  
+  step.Given(/^a table step with Table raw$/, function(table:Table){
+    var expected = [
+      ['Cucumber', 'Cucumis sativus'],
+      ['Burr Gherkin', 'Cucumis anguria']
+    ];
+
+    assert.deepEqual(table.raw(), expected);
+  });
+
+   step.Given(/^a table step with Table rows$/, function(table: Table){
+    var expected = [
+      ['Apricot', '5'],
+      ['Brocolli', '2'],
+      ['Cucumber', '10']
+    ];
+    assert.deepEqual(table.rows(), expected)
+  });
+
+  step.Given(/^a table step with Table rowHash$/, function(table:Table){
+    var expected = {
+      'Cucumber': 'Cucumis sativus',
+      'Burr Gherkin': 'Cucumis anguria'
+    };
+    assert.deepEqual(table.rowsHash(), expected)
+  });
+
+  step.Given(/^a table step$/, function(table:Table){
+    var expected = [
+      {'Vegetable': 'Apricot', 'Rating': '5'},
+      {'Vegetable': 'Brocolli', 'Rating': '2'},
+      {'Vegetable': 'Cucumber', 'Rating': '10'}
+    ];
+    assert.deepEqual(table.hashes(), expected)
+  });
 }
 

cucumber/cucumber.d.ts

@@ -10,8 +10,17 @@ declare namespace cucumber {
 		(errror?:any):void;
 	}
 
+  export interface TableDefinition{
+      raw: () => Array<any>;
+      rows: () => Array<any>;
+      rowsHash: () => {};
+      hashes: () => {};
+  }
+
+  type StepDefinitionParam = string | CallbackStepDefinition | TableDefinition;
+
 	interface StepDefinitionCode {
-		(...stepArgs: Array<string |CallbackStepDefinition>): PromiseLike<any> | any | void;
+		(...stepArgs: Array<StepDefinitionParam>): PromiseLike<any> | any | void;
 	}
 
 	interface StepDefinitionOptions{