#927 Adding support for cypress and Percy

cypress/examples/spies_stubs_clocks.spec.js

@@ -0,0 +1,95 @@
+/// <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')
+  })
+})