(window.webpackJsonp=window.webpackJsonp||[]).push([[95],{396:function(t,s,a){"use strict";a.r(s);var e=a(14),r=Object(e.a)({},(function(){var t=this,s=t._self._c;return s("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[s("h1",{attrs:{id:"testing-react-applications"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#testing-react-applications"}},[t._v("#")]),t._v(" Testing React Applications")]),t._v(" "),s("p",[t._v("React applications require some additional love for end to end testing.\nAt first, it is very hard to test an application which was never designed to be tested!\nThis happens to many React application. While building components developers often forget to keep the element's semantic.")]),t._v(" "),s("p",[t._v("Generated HTML code may often look like this:")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v("div "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"jss607 jss869 jss618 jss871 jss874 jss876"')]),t._v(" tabindex"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"0"')]),t._v(" role"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"tab"')]),t._v(" aria"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("-")]),t._v("selected"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"true"')]),t._v(" style"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"pointer-events: auto;"')]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v("span "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"jss877"')]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v("span "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"jss878"')]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v("span "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"jss879"')]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("Click Me"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("!")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("/")]),t._v("span"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("/")]),t._v("span"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("/")]),t._v("span"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v("span "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("class")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v('"jss610"')]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("/")]),t._v("span"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("/")]),t._v("div"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("\n")])])]),s("p",[t._v("It's quite common that clickable elements are not actual "),s("code",[t._v("a")]),t._v(" or "),s("code",[t._v("button")]),t._v(" elements. This way "),s("code",[t._v("I.click('Click Me!');")]),t._v(" won't work, as well as "),s("code",[t._v("fillField('name', 'value)")]),t._v(". Finding a correct locator for such cases turns to be almost impossible.")]),t._v(" "),s("p",[t._v("In this case test engineers have two options:")]),t._v(" "),s("ol",[s("li",[t._v("Update JSX files to change output HTML and rebuild the application")]),t._v(" "),s("li",[t._v("Test the application how it is.")])]),t._v(" "),s("p",[t._v("We recommend for long-running projects to go with the first option. The better you write your initial HTML the cleaner and less fragile will be your tests. Replace divs with correct HTML elements, add "),s("code",[t._v("data-")]),t._v(" attributes, add labels, and names to input fields to make all CodeceptJS magic like clicking link by a text to work.")]),t._v(" "),s("p",[t._v("However, if you can't update the code you can go to the second option. 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