To clear all data in local storage, use the cy.clearLocalStorage()
command.
cy
.get(".ls-btn").click().then(function(){
expect(localStorage.getItem('prop1')).to.eq('red')
expect(localStorage.getItem('prop2')).to.eq('blue')
expect(localStorage.getItem('prop3')).to.eq('magenta')
})
.clearLocalStorage().then(function(ls){
expect(ls.getItem('prop1')).to.be.null
expect(ls.getItem('prop2')).to.be.null
expect(ls.getItem('prop3')).to.be.null
})
cy
.get(".ls-btn").click().then(function(){
expect(localStorage.getItem('prop1')).to.eq('red')
expect(localStorage.getItem('prop2')).to.eq('blue')
expect(localStorage.getItem('prop3')).to.eq('magenta')
})
.clearLocalStorage('prop1').then(function(ls){
expect(ls.getItem('prop1')).to.be.null
expect(ls.getItem('prop2')).to.eq('blue')
expect(ls.getItem('prop3')).to.eq('magenta')
})
cy
.get(".ls-btn").click().then(function(){
expect(localStorage.getItem('prop1')).to.eq('red')
expect(localStorage.getItem('prop2')).to.eq('blue')
expect(localStorage.getItem('prop3')).to.eq('magenta')
})
.clearLocalStorage(/prop1|2/).then(function(ls){
expect(ls.getItem('prop1')).to.be.null
expect(ls.getItem('prop2')).to.be.null
expect(ls.getItem('prop3')).to.eq('magenta')
})