Unittestinginmoderncomponent-basedJavaScriptframeworksisnotstraightforward.Youneedatestsuitethatisreliableandrunsquickly.Componentsareconnectedtooneanother,andthebrowseraddsalayerofUI,whichmakeseverythinginter-dependentwhilewetestcomponentsinisolation.Jestisafully-featuredJavaScripttestingframeworkthatwilldoallyourworkforyou.ThisbookshowsyouhowtotestVue.jscomponentseasilyandtakeadvantageofthefully-featuredJesttestingframeworkwiththeaidofpracticalexamples.You'lllearnthedifferenttestingstylesandtheirstructures.You'llalsoexplorehowyourVue.jscomponentsrespondtovarioustests.You'llseehowtoapplytechniquessuchassnapshottesting,shallowrendering,moduledependencymocking,andmodulealiasingtomakeyourtestssmoothandclean.Bytheendofthisbook,you'llknowallabouttestingyourcomponentsbyutilizingthefeaturesofJest.