Created
October 30, 2017 18:36
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let gaScriptStripped = false; | |
Cypress.on('window:before:load', function(win) { | |
let createElement = win.document.createElement; | |
win.document.createElement = function(tag) { | |
if (tag === 'script' && win.document.currentScript.innerHTML.includes('google-analytics.com')) { | |
tag = 'custom_script'; | |
gaScriptStripped = true; | |
console.log('Removed Google analytics script'); | |
} | |
return createElement.call(win.document, tag); | |
}; | |
}); | |
describe('The test runner', function() { | |
it('should never load the google analytics script', function() { | |
cy.visit('/'); | |
cy.get('script').each(function(script) { | |
cy.wrap(script) | |
.invoke('prop', 'src') | |
.should('not.contain', 'google-analytics.com'); | |
}); | |
cy.get('custom_script') | |
.should(function($cs) { | |
if (gaScriptStripped) { | |
expect($cs).to.have.length(1); | |
expect($cs.prop('src')).to.contain('google-analytics.com'); | |
} else { | |
expect($cs).to.not.exist; | |
} | |
}); | |
}); | |
}); |
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