mermaid/cypress/examples/spies_stubs_clocks.spec.js

95 lines
2.3 KiB
JavaScript

/// <reference types="Cypress" />
context('Spies, Stubs, and Clock', () => {
it('cy.spy() - wrap a method in a spy', () => {
// https://on.cypress.io/spy
cy.visit('https://example.cypress.io/commands/spies-stubs-clocks');
const obj = {
foo() {},
};
const spy = cy.spy(obj, 'foo').as('anyArgs');
obj.foo();
expect(spy).to.be.called;
});
it('cy.spy() retries until assertions pass', () => {
cy.visit('https://example.cypress.io/commands/spies-stubs-clocks');
const obj = {
/**
* Prints the argument passed
*
* @param x {any}
*/
foo(x) {
console.log('obj.foo called with', x);
},
};
cy.spy(obj, 'foo').as('foo');
setTimeout(() => {
obj.foo('first');
}, 500);
setTimeout(() => {
obj.foo('second');
}, 2500);
cy.get('@foo').should('have.been.calledTwice');
});
it('cy.stub() - create a stub and/or replace a function with stub', () => {
// https://on.cypress.io/stub
cy.visit('https://example.cypress.io/commands/spies-stubs-clocks');
const obj = {
/**
* Prints both arguments to the console
*
* @param a {string}
* @param b {string}
*/
foo(a, b) {
console.log('a', a, 'b', b);
},
};
const stub = cy.stub(obj, 'foo').as('foo');
obj.foo('foo', 'bar');
expect(stub).to.be.called;
});
it('cy.clock() - control time in the browser', () => {
// https://on.cypress.io/clock
// create the date in UTC so its always the same
// no matter what local timezone the browser is running in
const now = new Date(Date.UTC(2017, 2, 14)).getTime();
cy.clock(now);
cy.visit('https://example.cypress.io/commands/spies-stubs-clocks');
cy.get('#clock-div').click().should('have.text', '1489449600');
});
it('cy.tick() - move time in the browser', () => {
// https://on.cypress.io/tick
// create the date in UTC so its always the same
// no matter what local timezone the browser is running in
const now = new Date(Date.UTC(2017, 2, 14)).getTime();
cy.clock(now);
cy.visit('https://example.cypress.io/commands/spies-stubs-clocks');
cy.get('#tick-div').click().should('have.text', '1489449600');
cy.tick(10000); // 10 seconds passed
cy.get('#tick-div').click().should('have.text', '1489449610');
});
});