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How to use onBeforeScreenshot method in Cypress

Best JavaScript code snippet using cypress

screenshot_spec.js

Source:screenshot_spec.js

...13  })14  it('has defaults', () => {15    expect(Screenshot.getConfig()).to.deep.eq(DEFAULTS)16    expect(() => {17      Screenshot.onBeforeScreenshot()18    }).not.to.throw()19    expect(() => {20      Screenshot.onAfterScreenshot()21    }).not.to.throw()22  })23  context('.getConfig', () => {24    it('returns copy of config', () => {25      const config = Screenshot.getConfig()26      config.blackout.push('.foo')27      expect(Screenshot.getConfig().blackout).to.deep.eq(DEFAULTS.blackout)28    })29  })30  context('.defaults', () => {31    it('is noop if not called with any valid properties', () => {32      Screenshot.defaults({})33      expect(Screenshot.getConfig()).to.deep.eq(DEFAULTS)34      expect(() => {35        Screenshot.onBeforeScreenshot()36      }).not.to.throw()37      expect(() => {38        Screenshot.onAfterScreenshot()39      }).not.to.throw()40    })41    it('sets capture if specified', () => {42      Screenshot.defaults({43        capture: 'runner',44      })45      expect(Screenshot.getConfig().capture).to.eql('runner')46    })47    it('sets scale if specified', () => {48      Screenshot.defaults({49        scale: true,50      })51      expect(Screenshot.getConfig().scale).to.equal(true)52    })53    it('sets disableTimersAndAnimations if specified', () => {54      Screenshot.defaults({55        disableTimersAndAnimations: false,56      })57      expect(Screenshot.getConfig().disableTimersAndAnimations).to.equal(false)58    })59    it('sets screenshotOnRunFailure if specified', () => {60      Screenshot.defaults({61        screenshotOnRunFailure: false,62      })63      expect(Screenshot.getConfig().screenshotOnRunFailure).to.equal(false)64    })65    it('sets clip if specified', () => {66      Screenshot.defaults({67        clip: { width: 200, height: 100, x: 0, y: 0 },68      })69      expect(70        Screenshot.getConfig().clip,71      ).to.eql(72        { width: 200, height: 100, x: 0, y: 0 },73      )74    })75    it('sets and normalizes padding if specified', () => {76      const tests = [77        [50, [50, 50, 50, 50]],78        [[15], [15, 15, 15, 15]],79        [[30, 20], [30, 20, 30, 20]],80        [[10, 20, 30], [10, 20, 30, 20]],81        [[20, 10, 20, 10], [20, 10, 20, 10]],82      ]83      for (let test of tests) {84        const [input, expected] = test85        Screenshot.defaults({86          padding: input,87        })88        expect(Screenshot.getConfig().padding).to.eql(expected)89      }90    })91    it('sets onBeforeScreenshot if specified', () => {92      const onBeforeScreenshot = cy.stub()93      Screenshot.defaults({ onBeforeScreenshot })94      Screenshot.onBeforeScreenshot()95      expect(onBeforeScreenshot).to.be.called96    })97    it('sets onAfterScreenshot if specified', () => {98      const onAfterScreenshot = cy.stub()99      Screenshot.defaults({ onAfterScreenshot })100      Screenshot.onAfterScreenshot()101      expect(onAfterScreenshot).to.be.called102    })103    describe('errors', () => {104      it('throws if not passed an object', () => {105        const fn = () => {106          Screenshot.defaults()107        }108        expect(fn).to.throw()...

screenshot.js

Source:screenshot.js

...165  getConfig () {166    return _.cloneDeep(_.omit(defaults, 'onBeforeScreenshot', 'onAfterScreenshot'))167  },168  onBeforeScreenshot ($el) {169    return defaults.onBeforeScreenshot($el)170  },171  onAfterScreenshot ($el, results) {172    return defaults.onAfterScreenshot($el, results)173  },174  defaults (props) {175    const values = validate(props, 'Cypress.Screenshot.defaults')176    return _.extend(defaults, values)177  },178  validate,...

misc.spec.js

Source:misc.spec.js

...67        disableTimersAndAnimations: true,68        onAfterScreenshot() {69          console.log('onAfterScreenshot')70        },71        onBeforeScreenshot() {72          console.log('onBeforeScreenshot')73        },74        scale: false,75        screenshotOnRunFailure: true,76      })77    })78  })79  it('cy.wrap() - wrap an object', () => {80    // https://on.cypress.io/wrap81    cy.wrap({ foo: 'bar' }).should('have.property', 'foo').and('include', 'bar')82  })...

screencapture.spec.js

Source:screencapture.spec.js

1describe('à¸à¸±à¸§à¸à¸¢à¹à¸²à¸à¹à¸à¹à¸à¸à¸²à¸£ screencapture ui screen', () => {2    it.skip('screencapture page /index.html', () => {3        cy4            .visit('/register.html').screenshot('screenshot-register',{ x: 20, y: 20, width: 400, height: 300 })5            .visit('/window.html')6            .get('#btnAlert').first().screenshot('screenshot-window')7            .visit('/login.html').screenshot('screenshot-login')8            .visit('/change-password.html').screenshot('screenshot-change-password')9            .visit('/table.html').screenshot('screenshot-table')10    });11    it('screen capture page window.html à¸à¸à¸à¸à¸¸à¹à¸¡à¸à¸µà¹à¸à¹à¸à¸à¸à¸²à¸£à¹à¸à¹à¸²à¸à¸±à¹à¸', () => {12        cy.visit('/window.html')13        .get('[data-tab="first"]',{timeout : 2000}).should('be.visible')14        .get('.segment.active')15        .screenshot('window-buttons-screencature',{16            onBeforeScreenshot ($el){17                $el.find('#btnPromt').hide()18            }19        })20    });...

index.js

Source:index.js

1// ***********************************************************2// This example support/index.js is processed and3// loaded automatically before your test files.4//5// This is a great place to put global configuration and6// behavior that modifies Cypress.7//8// You can change the location of this file or turn off9// automatically serving support files with the10// 'supportFile' configuration option.11//12// You can read more here:13// https://on.cypress.io/configuration14// ***********************************************************15// Import commands.js using ES2015 syntax:16import './commands'17// Alternatively you can use CommonJS syntax:18// require('./commands')19before(() => {20    console.log('111')21    Cypress.Screenshot.defaults({22        blackout: ['.row._1X4_e', '.row._23Ell'],23        capture: 'fullPage',24        clip: { x: 0, y: 0, width: 1280, height: 720 },25        scale: false,26        disableTimersAndAnimations: false,27        screenshotOnRunFailure: true,28        onBeforeScreenshot () { },29        onAfterScreenshot () { },30      })...

screenshotCleaner.js

Source:screenshotCleaner.js

1export function createScreenShots(screenshotName, viewPort, options = {}) {2  console.log({ viewPort })3  let onBeforeScreenshot = null4  if (viewPort < 1023) {5    console.log('mobile')6    onBeforeScreenshot = ($el) => {7      const $header = $el.find('[data-cy=header-mobile]')8      console.log({ $header })9      if ($header) {10        $header.css('position', 'relative')11      }12    }13  }14  if (viewPort > 1023) {15    console.log('desktop')16    onBeforeScreenshot = ($el) => {17      const $header = $el.find('[data-cy=header-desktop-sticky]')18      console.log({ $header })19      if ($header) {20        $header.hide()21        $header.css('position', 'relative')22        $header.css('opacity', '0')23      }24    }25    // cy.get('[data-cy=header-desktop-sticky]').invoke('css', 'opacity', '0')26    // cy.get('[data-cy=header-desktop-sticky]').invoke('css', 'position', 'relative')27    // cy.get('[data-cy=labelkey-toggle]').invoke('css', 'position', 'absolute')28  }29  options = {30    onBeforeScreenshot,31  }32  cy.screenshot(screenshotName, options)...

exemplo4.js

Source:exemplo4.js

1context('Screenshot da Tabela de FuncionÃ¡rio', () => {2    before(() => {3      cy.visit('https://opensource-demo.orangehrmlive.com')4    })5    it('cy.screenshot', () => {6      cy.validLogin('Admin', 'admin123')7      cy.get('#menu_pim_viewPimModule > b')8      .click()9        10      Cypress.Screenshot.defaults({11        blackout: ['#search_form > fieldset'],12        capture: 'runner',13        //clip: { x: 0, y: 0, width: 100, height: 100 }14        disableTimersAndAnimations: true,15        onBeforeScreenshot () {16        },17        onAfterScreenshot () {18          19        }20      })21      22      cy.screenshot('listagem-funcionario')23      cy.get('#empsearch_supervisor_name')24      .type('Luiz',  { delay: 100 })25      cy.pause()26      27      cy.reload()28    })...

Using AI Code Generation

1describe('My First Test', function() {2	it('Does not do much!', function() {3		cy.contains('type').click()4		cy.url().should('include', '/commands/actions')5		cy.get('.action-email')6			.type('fake@email')7			.should('have.value', 'fake@email')8	})9})

Using AI Code Generation

1Cypress.Commands.add('login', (username, password) => {2    cy.get('#login_username').type(username)3    cy.get('#login_password').type(password)4    cy.get('#login_button').click()5})6Cypress.Commands.add('logout', () => {7    cy.get('#logout_button').click()8})9Cypress.Commands.add('loginAsAdmin', () => {10    cy.login(Cypress.env('admin_username'), Cypress.env('admin_password'))11})12Cypress.Commands.add('loginAsTeacher', () => {13    cy.login(Cypress.env('teacher_username'), Cypress.env('teacher_password'))14})15Cypress.Commands.add('loginAsStudent', () => {16    cy.login(Cypress.env('student_username'), Cypress.env('student_password'))17})18Cypress.Commands.add('loginAsTeacherAndCreateCourse', () => {19    cy.loginAsTeacher()20    cy.get('#create_course_button').click()21    cy.get('#course_name').type('Test Course')22    cy.get('#course_description').type('This is a test course')23    cy.get('#course_create_button').click()24})25Cypress.Commands.add('loginAsTeacherAndCreateCourseWithCustomName', (courseName) => {26    cy.loginAsTeacher()27    cy.get('#create_course_button').click()28    cy.get('#course_name').type(courseName)29    cy.get('#course_description').type('This is a test course')30    cy.get('#course_create_button').click()31})32Cypress.Commands.add('loginAsTeacherAndCreateCourseWithCustomNameAndDescription', (courseName, courseDescription) => {33    cy.loginAsTeacher()34    cy.get('#create_course_button').click()35    cy.get('#course_name').type(courseName)36    cy.get('#course_description').type(courseDescription)37    cy.get('#course_create_button').click()38})39Cypress.Commands.add('loginAsTeacherAndCreateCourseWithCustomNameAndDescriptionAndAddStudent', (courseName, courseDescription, studentUsername) => {

Using AI Code Generation

1Cypress.on('before:screenshot', (details) => {2    if (details.name.includes('login')) {3        cy.document().then((doc) => {4        })5    }6})

Using AI Code Generation

1Cypress.on('before:screenshot', (details) => {2    if (details.name.includes('login')) {3        cy.document().then((doc) => {4        })5    }6})

Cypress Tutorial

Cypress is a renowned Javascript-based open-source, easy-to-use end-to-end testing framework primarily used for testing web applications. Cypress is a relatively new player in the automation testing space and has been gaining much traction lately, as evidenced by the number of Forks (2.7K) and Stars (42.1K) for the project. LambdaTest’s Cypress Tutorial covers step-by-step guides that will help you learn from the basics till you run automation tests on LambdaTest.

Chapters:

What is Cypress? -
Why Cypress? - Learn why Cypress might be a good choice for testing your web applications.
Features of Cypress Testing - Learn about features that make Cypress a powerful and flexible tool for testing web applications.
Cypress Drawbacks - Although Cypress has many strengths, it has a few limitations that you should be aware of.
Cypress Architecture - Learn more about Cypress architecture and how it is designed to be run directly in the browser, i.e., it does not have any additional servers.
Browsers Supported by Cypress - Cypress is built on top of the Electron browser, supporting all modern web browsers. Learn browsers that support Cypress.
Selenium vs Cypress: A Detailed Comparison - Compare and explore some key differences in terms of their design and features.
Cypress Learning: Best Practices - Take a deep dive into some of the best practices you should use to avoid anti-patterns in your automation tests.
How To Run Cypress Tests on LambdaTest? - Set up a LambdaTest account, and now you are all set to learn how to run Cypress tests.

Certification

You can elevate your expertise with end-to-end testing using the Cypress automation framework and stay one step ahead in your career by earning a Cypress certification. Check out our Cypress 101 Certification.