feat(service): add service recipe

Author: cironunes

jquery-events/README.md

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+# Service
+> Testing recipes for Services
+
+## Table of contents
+
+- [Boilerplate](#boilerplate)
+- [Exposed properties](#expose-properties)
+- [Exposed methods](#expose-methods)
+- [Methods from other services](#methods-from-other-services)
+- [$http]($http)
+- [Promises](#promises)
+
+## Boilerplate
+
+Before start we need to initialize the service and mock it's dependencies in our tests:
+
+```js
+describe('SampleService', function() {
+  'use strict';
+
+  var sampleService;
+
+  beforeEach(module('myApp'));
+
+  beforeEach(inject(function(_sampleService_) {
+    sampleService = _sampleService_;
+  }));
+
+  ...
+});
+```
+
+

service/README.md

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+(function() {
+  'use strict';
+
+  angular.module('myApp')
+    .factory('sampleService', SampleService);
+
+  function SampleService() {
+    var service = {
+      foo: 'bar',
+      bar: bar
+    };
+
+    return service;
+
+    function bar() {
+      service.foo = 'baz';
+    }
+  }
+
+}());

service/service.js

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+describe('SampleService', function() {
+  'use strict';
+
+  var sampleService;
+
+  beforeEach(module('myApp'));
+
+  beforeEach(inject(function(_sampleService_) {
+    sampleService = _sampleService_;
+  }));
+
+  it('should expose a property', function() {
+    expect(sampleService.foo).toBe('bar');
+  });
+
+  it('should expose a method', function() {
+    sampleService.bar();
+    expect(sampleService.foo).toBe('baz');
+  });
+});