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How to use onAfterScreenshot method in Cypress

Best JavaScript code snippet using cypress

screenshot_spec.js

Source:screenshot_spec.js

...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()109        .with.property('message')110        .and.include('`Cypress.Screenshot.defaults()` must be called with an object. You passed: ``')111        expect(fn).to.throw()112        .with.property('docsUrl')113        .and.include('https://on.cypress.io/screenshot-api')114      })...

retries.mochaEvents.spec.js

Source:retries.mochaEvents.spec.js

1const helpers = require('../support/helpers')2const { shouldHaveTestResults, getRunState, cleanseRunStateMap } = helpers3const { runIsolatedCypress, snapshotMochaEvents, getAutCypress } = helpers.createCypress({ config: { retries: 2, isTextTerminal: true, firefoxGcInterval: null } })4const { sinon } = Cypress5const match = Cypress.sinon.match6const threeTestsWithRetry = {7  suites: {8    'suite 1': {9      hooks: ['before', 'beforeEach', 'afterEach', 'after'],10      tests: [11        'test 1',12        { name: 'test 2', fail: 2 },13        'test 3',14      ],15    },16  },17}18describe('src/cypress/runner retries mochaEvents', { retries: 0 }, () => {19  // NOTE: for test-retries20  it('can set retry config', () => {21    runIsolatedCypress({}, { config: { retries: 1 } })22    .then(({ autCypress }) => {23      expect(autCypress.config()).to.has.property('retries', 1)24    })25  })26  it('simple retry', () => {27    runIsolatedCypress({28      suites: {29        'suite 1': {30          tests: [31            { name: 'test 1',32              fail: 1,33            },34          ],35        },36      },37    }, { config: { retries: 1 } })38    .then(snapshotMochaEvents)39  })40  it('test retry with hooks', () => {41    runIsolatedCypress({42      suites: {43        'suite 1': {44          hooks: ['before', 'beforeEach', 'afterEach', 'after'],45          tests: [{ name: 'test 1', fail: 1 }],46        },47      },48    }, { config: { retries: 1 } })49    .then(snapshotMochaEvents)50  })51  it('test retry with [only]', () => {52    runIsolatedCypress({53      suites: {54        'suite 1': {55          hooks: ['before', 'beforeEach', 'afterEach', 'after'],56          tests: [57            { name: 'test 1' },58            { name: 'test 2', fail: 1, only: true },59            { name: 'test 3' },60          ],61        },62      },63    }, { config: { retries: 1 } })64    .then(snapshotMochaEvents)65  })66  it('can retry from [beforeEach]', () => {67    runIsolatedCypress({68      suites: {69        'suite 1': {70          hooks: [71            'before',72            'beforeEach',73            { type: 'beforeEach', fail: 1 },74            'beforeEach',75            'afterEach',76            'after',77          ],78          tests: [{ name: 'test 1' }],79        },80      },81    }, { config: { retries: 1 } })82    .then(snapshotMochaEvents)83  })84  it('can retry from [afterEach]', () => {85    runIsolatedCypress({86      hooks: [{ type: 'afterEach', fail: 1 }],87      suites: {88        'suite 1': {89          hooks: [90            'before',91            'beforeEach',92            'beforeEach',93            'afterEach',94            'after',95          ],96          tests: [{ name: 'test 1' }, 'test 2', 'test 3'],97        },98        'suite 2': {99          hooks: [{ type: 'afterEach', fail: 2 }],100          tests: ['test 1'],101        },102        'suite 3': {103          tests: ['test 1'],104        },105      },106    }, { config: { retries: 2, isTextTerminal: true } })107    .then(snapshotMochaEvents)108  })109  it('cant retry from [before]', () => {110    runIsolatedCypress({111      suites: {112        'suite 1': {113          hooks: [114            { type: 'before', fail: 1 },115            'beforeEach',116            'beforeEach',117            'afterEach',118            'afterEach',119            'after',120          ],121          tests: [{ name: 'test 1' }],122        },123      },124    }, { config: { retries: 1 } })125    .then(snapshotMochaEvents)126  })127  it('cant retry from [after]', () => {128    runIsolatedCypress({129      suites: {130        'suite 1': {131          hooks: [132            'before',133            'beforeEach',134            'beforeEach',135            'afterEach',136            'afterEach',137            { type: 'after', fail: 1 },138          ],139          tests: [{ name: 'test 1' }],140        },141      },142    }, { config: { retries: 1 } })143    .then(snapshotMochaEvents)144  })145  it('three tests with retry', () => {146    runIsolatedCypress(threeTestsWithRetry, {147      config: {148        retries: 2,149      },150    })151    .then(snapshotMochaEvents)152  })153  describe('screenshots', () => {154    it('retry screenshot in test body', () => {155      let onAfterScreenshot156      runIsolatedCypress({157        suites: {158          'suite 1': {159            tests: [160              {161                name: 'test 1',162                fn: () => {163                  cy.screenshot()164                  cy.then(() => assert(false))165                },166                eval: true,167              },168            ],169          },170        },171      }, { config: { retries: 1 },172        onBeforeRun ({ autCypress }) {173          autCypress.Screenshot.onAfterScreenshot = cy.stub()174          onAfterScreenshot = cy.stub()175          autCypress.on('after:screenshot', onAfterScreenshot)176        },177      })178      .then(({ autCypress }) => {179        expect(autCypress.automation.withArgs('take:screenshot')).callCount(4)180        expect(autCypress.automation.withArgs('take:screenshot').args).matchDeep([181          { 1: { testAttemptIndex: 0 } },182          { 1: { testAttemptIndex: 0 } },183          { 1: { testAttemptIndex: 1 } },184          { 1: { testAttemptIndex: 1 } },185        ])186        expect(autCypress.automation.withArgs('take:screenshot').args[0]).matchSnapshot({ startTime: match.string, testAttemptIndex: match(0) })187        expect(onAfterScreenshot.args[0][0]).to.matchSnapshot({ testAttemptIndex: match(0) })188        expect(onAfterScreenshot.args[2][0]).to.matchDeep({ testAttemptIndex: 1 })189      })190    })191    it('retry screenshot in hook', () => {192      let onAfterScreenshot193      runIsolatedCypress({194        suites: {195          'suite 1': {196            hooks: [197              {198                type: 'beforeEach',199                fn: () => {200                  cy.screenshot()201                  cy.then(() => assert(false))202                },203                eval: true,204              },205            ],206            tests: [207              {208                name: 'test 1',209              },210            ],211          },212        },213      }, { config: { retries: 1 },214        onBeforeRun ({ autCypress }) {215          autCypress.Screenshot.onAfterScreenshot = cy.stub()216          onAfterScreenshot = cy.stub()217          autCypress.on('after:screenshot', onAfterScreenshot)218        },219      })220      .then(({ autCypress }) => {221        expect(autCypress.automation.withArgs('take:screenshot')).callCount(4)222        expect(autCypress.automation.withArgs('take:screenshot').args).matchDeep([223          { 1: { testAttemptIndex: 0 } },224          { 1: { testAttemptIndex: 0 } },225          { 1: { testAttemptIndex: 1 } },226          { 1: { testAttemptIndex: 1 } },227        ])228        expect(onAfterScreenshot.args[0][0]).matchDeep({ testAttemptIndex: 0 })229        expect(onAfterScreenshot.args[2][0]).matchDeep({ testAttemptIndex: 1 })230      })231    })232  })233  // https://github.com/cypress-io/cypress/issues/8363234  describe('cleanses errors before emitting', () => {235    it('does not try to serialize error with err.actual as DOM node', () => {236      runIsolatedCypress(() => {237        it('visits', () => {238          cy.visit('/fixtures/dom.html')239          cy.get('#button').should('not.be.visible')240        })241      }, { config: { defaultCommandTimeout: 200 } })242      // should not have err.actual, expected properties since the subject is a DOM element243      .then(snapshotMochaEvents)244    })245  })246  describe('save/reload state', () => {247    const serializeState = () => {248      return getRunState(getAutCypress())249    }250    const loadStateFromSnapshot = (cypressConfig, name) => {251      cy.task('getSnapshot', {252        file: Cypress.spec.name,253        exactSpecName: name,254      })255      .then((state) => {256        cypressConfig[1].state = state257      })258    }259    // NOTE: for test-retries260    describe('retries rehydrate spec state after navigation', () => {261      let realState262      let runCount = 0263      const failThenSerialize = () => {264        if (!runCount++) {265          assert(false, 'stub 3 fail')266        }267        assert(true, 'stub 3 pass')268        return realState = serializeState()269      }270      let runCount2 = 0271      const failOnce = () => {272        if (!runCount2++) {273          assert(false, 'stub 2 fail')274        }275        assert(true, 'stub 2 pass')276      }277      const stub1 = sinon.stub()278      const stub2 = sinon.stub().callsFake(failOnce)279      const stub3 = sinon.stub().callsFake(failThenSerialize)280      let cypressConfig = [281        {282          suites: {283            'suite 1': {284              hooks: [285                'before',286                'beforeEach',287                'afterEach',288                'after',289              ],290              tests: [{ name: 'test 1', fn: stub1 }],291            },292            'suite 2': {293              tests: [294                { name: 'test 1', fn: stub2 },295                { name: 'test 2', fn: stub3 },296                'test 3',297              ],298            },299          },300        }, { config: { retries: 1 } },301      ]302      it('1/2', () => {303        runIsolatedCypress(...cypressConfig)304        .then(shouldHaveTestResults(4, 0))305        .then(() => {306          expect(realState).to.matchSnapshot(cleanseRunStateMap, 'serialize state - retries')307        })308      })309      it('2/2', () => {310        loadStateFromSnapshot(cypressConfig, 'serialize state - retries')311        runIsolatedCypress(...cypressConfig)312        .then(shouldHaveTestResults(4, 0))313        .then(() => {314          expect(stub1).to.calledOnce315          expect(stub2).to.calledTwice316          expect(stub3).calledThrice317        })318      })319    })320  })...

micoocypress.test.js

Source:micoocypress.test.js

...79        const micoocypressFunction = micoocypress.__get__("micoocypress");        80        micoocypress.__with__({on: on})(() => {81            micoocypressFunction(on, micooption);82            expect(on).toHaveBeenCalledTimes(2);83            expect(on.mock.calls[0][0]).toEqual('after:screenshot', details => onAfterScreenshot(details));84            expect(on.mock.calls[1][0]).toEqual('after:run', async results => await onAfterRun(results, micooption, cypressOption));85        });86    })87    it("onAfterScreenshot collect screenshots", () => {88        const details = {};89        const onAfterScreenshot = micoocypress.__get__("onAfterScreenshot");90        micoocypress.__with__({collectScreenshots: jest.fn()})(async () => {91            onAfterScreenshot(details);92            expect(collectScreenshots).toHaveBeenCalledWith(details);93        });94    })95    it("onAfterRun not to trigger visual testing when triggerVisualTesting is disabled", () => {96        const results = {};97        const cypressOption = { triggerVisualTesting: false };98        const onAfterRun = micoocypress.__get__("onAfterRun");99        micoocypress.__with__({triggerVisualTesting: jest.fn()})(async () => {100            onAfterRun(results, micooption, cypressOption);101            expect(triggerVisualTesting).not.toHaveBeenCalled();102        });103    })104    it("onAfterRun trigger visual testing even not all tests passed", () => {105        const results = {};...

screenshot.js

Source:screenshot.js

...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,...

toMatchImageSnapshot.js

Source:toMatchImageSnapshot.js

1/* globals cy */2/* eslint-env browser */3const { MATCH_IMAGE } = require('../tasks/taskNames');4const getTaskData = require('../utils/commands/getTaskData');5const logMessage = require('../utils/commands/logMessage');6const { NO_LOG } = require('../constants');7const { COMMAND_MATCH_IMAGE_SNAPSHOT: commandName } = require('./commandNames');8const getImageData = require('../utils/image/getImageData');9const {10  getImageConfig,11  getScreenshotConfig,12  getCustomName,13  getCustomSeparator,14} = require('../config');15function afterScreenshot(taskData) {16  return ($el, props) => {17    // See this url for contents of `props`:18    // https://docs.cypress.io/api/commands/screenshot.html#Get-screenshot-info-from-the-onAfterScreenshot-callback19    const win = $el.get(0).ownerDocument.defaultView;20    taskData.image = getImageData(props, win.devicePixelRatio);21    taskData.isImage = true;22    delete taskData.subject;23  };24}25async function toMatchImageSnapshot(subject, commandOptions) {26  const options = getImageConfig(commandOptions);27  const customName = getCustomName(commandOptions);28  const customSeparator = getCustomSeparator(commandOptions);29  const taskData = await getTaskData({30    commandName,31    options,32    customName,33    customSeparator,34    subject,35  });36  const screenShotConfig = getScreenshotConfig(commandOptions);37  const afterScreenshotFn = afterScreenshot(taskData);38  if (screenShotConfig.onAfterScreenshot) {39    const afterScreenshotCallback = screenShotConfig.onAfterScreenshot;40    screenShotConfig.onAfterScreenshot = (...args) => {41      afterScreenshotFn.apply(this, args);42      afterScreenshotCallback.apply(this, args);43    };44  } else {45    screenShotConfig.onAfterScreenshot = afterScreenshotFn;46  }47  return cy48    .wrap(subject, NO_LOG)49    .screenshot(taskData.snapshotTitle, screenShotConfig)50    .then(() => cy.task(MATCH_IMAGE, taskData, NO_LOG).then(logMessage));51}...

after_screenshot_spec.js

Source:after_screenshot_spec.js

1it('cy.screenshot() - replacement', () => {2  cy.screenshot('replace-me', { capture: 'runner' }, {3    onAfterScreenshot (details) {4      expect(details.path).to.include('screenshot-replacement.png')5      expect(details.size).to.equal(1047)6      expect(details.dimensions).to.eql({ width: 1, height: 1 })7    },8  })9})10it('cy.screenshot() - ignored values', () => {11  cy.screenshot('ignored-values', { capture: 'runner' }, {12    onAfterScreenshot (details) {13      expect(details.path).to.include('ignored-values.png')14      expect(details.multipart).to.be.false15      expect(details.name).to.equal('ignored-values')16    },17  })18})19it('cy.screenshot() - invalid return', () => {20  cy.screenshot('invalid-return', { capture: 'runner' }, {21    onAfterScreenshot (details) {22      expect(details.path).to.include('invalid-return.png')23    },24  })25})26it('failure screenshot - rename', () => {27  throw new Error('test error')...

Using AI Code Generation

1module.exports = (on, config) => {2  on('after:screenshot', (details) => {3    console.log('details', details)4  })5}6module.exports = (on, config) => {7  on('after:screenshot', (details) => {8    console.log('details', details)9  })10}11require('../test.js')12require('../test.js')13require('../test.js')14require('../test.js')15require('../test.js')16require('../test.js')17require('../test.js')18require('../test.js')19require('../test.js')20require('../test.js')21require('../test.js')22require('../test.js')23require('../test.js')24require('../test.js')25require('../test.js')26require('../test.js')27require('../test.js')28require('../test.js')29require('../test.js')30require('../test.js')

Using AI Code Generation

1afterEach(function () {2    if (this.currentTest.state === 'failed') {3        Cypress.runner.stop()4    }5})6afterEach(function () {7    if (this.currentTest.state === 'failed') {8        Cypress.runner.stop()9    }10})11afterEach(function () {12    if (this.currentTest.state === 'failed') {13        Cypress.runner.stop()14    }15})16afterEach(function () {17    if (this.currentTest.state === 'failed') {18        Cypress.runner.stop()19    }20})21afterEach(function () {22    if (this.currentTest.state === 'failed') {23        Cypress.runner.stop()24    }25})26afterEach(function () {27    if (this.currentTest.state === 'failed') {28        Cypress.runner.stop()29    }30})31afterEach(function () {32    if (this.currentTest.state === 'failed') {33        Cypress.runner.stop()34    }35})36afterEach(function () {37    if (this.currentTest.state === 'failed') {38        Cypress.runner.stop()39    }40})41afterEach(function () {42    if (this.currentTest.state === 'failed') {43        Cypress.runner.stop()44    }45})46afterEach(function () {47    if (this.currentTest.state === 'failed') {48        Cypress.runner.stop()49    }50})51afterEach(function () {52    if (this.currentTest.state === 'failed') {53        Cypress.runner.stop()54    }55})

Using AI Code Generation

1Cypress.Commands.add('afterScreenshot', (test, name) => {2    return cy.task('afterScreenshot', {3    })4});5Cypress.on('test:after:run', (test, runnable) => {6    if (test.state === 'failed') {7        cy.afterScreenshot(test, 'failed').then((options) => {8            addContext({ test }, options.path);9        });10    }11});12const { afterScreenshot } = require('cypress-audit/src/plugin');13module.exports = (on, config) => {14    on('task', {15    });16};17require('cypress-audit/commands');18require('cypress-audit/src/plugin');19describe('Test', () => {20    it('Test', () => {21        cy.get('input[name="q"]').type('cypress');22        cy.get('input[name="btnK"]').click();23        cy.get('.hero-title').should('contain', 'Cypress');24    });25});26{27    "reporterOptions": {28    }29}30{31    "scripts": {32    },33    "devDependencies": {34    }35}

Using AI Code Generation

1describe('Cypress Screenshot', function() {2  it('screenshot', function() {3    cy.screenshot()4  })5})6{7  "env": {8  }9}10describe('Cypress Screenshot', function() {11  it('screenshot', function() {12    cy.screenshot()13  })14})15{16  "env": {17  }18}19describe('Cypress Screenshot', function() {20  it('screenshot', function() {21    cy.screenshot()22  })23})24{25  "env": {26  }27}

Using AI Code Generation

1Cypress.on('after:screenshot', (details) => {2    console.log('Screenshot saved to', path)3})4Cypress.on('after:screenshot', (details) => {5    console.log('Screenshot saved to', path)6})7Cypress.on('after:screenshot', (details) => {8    console.log('Screenshot saved to', path)9})10Cypress.on('after:screenshot', (details) => {11    console.log('Screenshot saved to', path)12})

StackOverFlow community discussions

Questions

Discussion

Cypress expect element to contain one string or another string

Testing onclick events on SVG with Cypress

Cypress intercept - execute same api multiple times with different payload in same test case

How to get value of a DatePicker Cypress

Why eslint consider JSX or some react @types undefined, since upgrade typescript-eslint/parser to version 4.0.0

Running Cypress on WSL

How to return Map object from Cypress each?

Argument type string is not assignable to parameter type keyof Chainable... in Cypress

How to save intercepted request body to outside variable

How to test checkbox toggle with Cypress and @testing-library/cypress ,

You can try a regular expression, see contains#Regular-Expression.

See this question Regular expression containing one word or another for some formats

I think something as simple as this will do it,

cy.get(el).contains(/submit|enviar/g)

Experiment first on Regex101 or similar online tester.

Maybe build it with

const runout = ['submit', 'enviar']
const regex = new RegExp(`${runout.join('|')}`, 'g')
cy.get(el).contains(regex)

https://stackoverflow.com/questions/58176344/cypress-expect-element-to-contain-one-string-or-another-string

Seems you're importing app variable on the test directly. This object is a different one than the one on your browser. You should make a global variable (or method) for getting your app variable directly from your browser

cy.window().its('app').then((app) => { 
   // your test with app var
})

Also you might want to use then() condition to ensure it checks it after. But this may not be necessary.

.click({ force: true }).then(() => {
   expect(displayMovieInfo).to.be.called;
});

https://stackoverflow.com/questions/52350097/testing-onclick-events-on-svg-with-cypress

When requests are identical, only one intercept routeMatcher will catch all the calls.

To vary the response, one way is to respond with a function

it('responds to identical requests with different responses', () => {

  let requestNo = 0
  const responses = [ { name: 'thava' }, { name:'prakash' } ]

  cy.intercept('PATCH', '**/user/1', (req) => { 
    req.reply(responses[requestNo++])
  }).as('action');

  cy.visit('../app/intercept-identical.html')

  cy.get("#update-action").click()
  cy.wait('@action')
    .its('response.body.name')
    .should('eq', 'thava')                          // passes

  cy.get("#update-action").click()
  cy.wait('@action')
  .its('response.body.name')
  .should('eq', 'prakash')                          // passes
})

Tested with

<body>
  <button id="update-action" onclick="clickhandler()"></button>
  <script>
    function clickhandler() {
      fetch('https://jsonplaceholder.typicode.com/user/1', {
        method: 'PATCH'
      })
      .then(res => res.json())
    }
  </script>
</body>

Note

req.reply(res => { res.send(...) } will not stub the request, it will only modify the response from the live server. If the server targeted is not able to accept 'PATCH', you will get an error.

Overriding intercepts

If you update to the latest version of Cypress, you can simply over-write the intercept.

The last-added intercept will be the one to catch the request.

it('overrides intercepts', () => {

  cy.visit('../app/intercept-identical.html')

  cy.intercept('PATCH', `**/user/1`, { name:'thava' } ).as("action1")
  cy.get("#update-action").click()
  cy.wait('@action1')
    .its('response.body.name')
    .should('eq', 'thava')                          // passes

  cy.intercept('PATCH', `**/user/1`, { name:'prakash' } ).as("action2")
  cy.get("#update-action").click()
  cy.wait('@action2')
    .its('response.body.name')
    .should('eq', 'prakash')                        // passes
})

https://stackoverflow.com/questions/68624787/cypress-intercept-execute-same-api-multiple-times-with-different-payload-in-sa

Thanks to this post How to get the text input field value to a const and log that value in Cypress.io

I found the answer, it seems I should treat the datepiker input as a text input.

cy.get('input[name="Date"]').invoke('val').then((text) => {
    expect('08/05/2019').to.equal(text);
});

https://stackoverflow.com/questions/56043636/how-to-get-value-of-a-datepicker-cypress

I had the same issue when trying to declare variables as of type JSX.Element in typescript. I added "JSX":"readonly" to globals in .eslintrc.json and the problem was gone. In your case it would be:

globals: {
    React: true,
    google: true,
    mount: true,
    mountWithRouter: true,
    shallow: true,
    shallowWithRouter: true,
    context: true,
    expect: true,
    jsdom: true,
    JSX: true,
},

From the following link, I got that you actually use several options after JSX. You could use true,false, writable or readonly (but not off).

https://eslint.org/docs/user-guide/configuring

https://stackoverflow.com/questions/64170868/why-eslint-consider-jsx-or-some-react-types-undefined-since-upgrade-typescript

Cypress requires the ability to run its GUI. Depending on your Windows version, you likely need some additional configuration in order to run GUI applications in WSL:

For all Windows releases, make sure you install the required dependencies:
```
apt-get install libgtk2.0-0 libgtk-3-0 libgbm-dev libnotify-dev libgconf-2-4 libnss3 libxss1 libasound2 libxtst6 xauth xvfb
```
This may have been done for you depending on how you installed Cypress. I used the npm directions in the Cypress doc.
Windows 11 includes the WSLg feature by default, which allows you to run GUI applications directly on Windows. If you upgraded from Windows 10 to Windows 11, run wsl --update to make sure you have the latest WSL version with WSLg.

Also make sure, if you've attempted to run an X server on an older release (like in the next suggestion), that you remove any manual configuration of DISPLAY in your startup files (e.g. ~/.bashrc, etc.).
For Windows 10, you will need to do some additional configuration. There are really two ways to do this, but it's a better topic for Super User (since it isn't directly related to programming), so I'm going to point you to this Super User question for some details. Either answer there is fine. While I'm partial to my solution, most people opt for running a third-party X server as in harrymc's answer there.

Just to make sure there weren't any "hidden tricks" needed to get Cypress running, I can confirm that I was able to successfully ./node_modules/.bin/cypress open using the Cypress instructions and my xrdp technique from the Super User answer.

https://stackoverflow.com/questions/69621197/running-cypress-on-wsl

A couple of problems with the custom command

to make sure you wait on the results of .each(), must return the promise created bt Cypress.Blob.canvasToBlob() chain.
follow the .each() with a .then() to ensure completion, and return `bufferMap here.

Problems with .task()

it does not like being called within the custom command, so call it after

CypressError: cy.then() failed because you are mixing up async and sync code.
it does not like a Map() object as a parameter, convert to a plain object

Test

describe('leaflet', () => {

  it('processes', () => {

    Cypress.Commands.add('renderCanvasMatrixToPng', {prevSubject: true}, (subjects, savePath) => {
      const bufferMap = new Map();
      cy.wrap(subjects)
        .each((canvas, i) => {
          return Cypress.Blob.canvasToBlob(canvas.get(0))   // <- add return here
            .then(blob => Cypress.Blob.blobToArrayBuffer(blob))
            .then(buff => {
              var view = new Int8Array(buff);  // not sure why this is needed
              const buffer = Buffer.from(view);

              // get coords here
              const coords = 1000 + i // for purpose of demo
              bufferMap.set(coords, buffer)
            })
        })
        .then(_ => {                           // <- wait for previous to complete
          console.log('bufferMap inside command', bufferMap)  // [[Entries]]
                                                              //  0: {0 => Uint8Array(27209)}
                                                              //  1: {1 => Uint8Array(1179)}
          return bufferMap;
        })
    });

    cy.visit('http://cartodb.github.io/Leaflet.CanvasLayer/example.html')

    cy.get('canvas').renderCanvasMatrixToPng().then(bufferMap => {
      console.log('bufferMap outside command', bufferMap)  // [[Entries]]
                                                           //    0: {1000 => Uint8Array(25218)}
                                                           //    1: {1001 => Uint8Array(1179)}
      const asObject = Object.fromEntries(bufferMap);
      cy.task('mergeImages', { buffers: asObject, savePath: 'cypress/snapshots' });
    })

  })
})

Task for demo

module.exports = (on, config) => {
  ...
  on('task', {
    mergeImages(options) {
      const { buffers, savePath } = options;

      console.log('buffers', buffers);
      /* In terminal

        buffers {
          '1000': {
            type: 'Buffer',
            data: [
              137,  80,  78,  71,  13,  10,  26,  10,   0,   0,   0,  13,
              ... 33137 more items
            ]
          },
          '1001': {
            type: 'Buffer',
            data: [
              137,  80,  78,  71,  13,  10,  26,  10,   0,   0,   0,  13,
              ... 1079 more items
            ]
          }
        }
      */

      return null;
    }
  })
}

Alternative command (my preference)

Cypress.Commands.add('renderCanvasMatrixToPng', { prevSubject: true }, (subjects, savePath) => {
  const bufferPromises = Array.from(subjects).map(canvas => {
    return Cypress.Blob.canvasToBlob(canvas)
      .then(blob => Cypress.Blob.blobToArrayBuffer(blob))
      .then(buff => {
        const view = new Int8Array(buff);
        const buffer = Buffer.from(view);
        return buffer;
      })
  })
  return Promise.all(bufferPromises).then(buffers => {
    const bufferMap = new Map();
    buffers.forEach((buffer, i) => {
      // get coords here
      const coords = 1000 + i // for purpose of demo
      bufferMap.set(coords, buffer)
    })
    return bufferMap;
  })
});

https://stackoverflow.com/questions/60260360/how-to-return-map-object-from-cypress-each

Beginning with version 9.0.0, You are now forced to declare your custom commands. See the changelog for 9.0.0 (6th bullet point under breaking changes) and see the specific information about custom commands now being typed based on the declared custom chainable here.

Also, see this recipe on how to add custom commands and declare them properly.

For your custom command, add this file cypress/support/index.d.ts with the following code:

/// <reference types="cypress" />

declare namespace Cypress {
    interface Chainable<Subject = any> {
        /**
         * Custom command to ... add your description here
         * @example cy.clickOnMyJourneyInCandidateCabinet()
         */
        clickOnMyJourneyInCandidateCabinet(): Chainable<null>;
    }
}

https://stackoverflow.com/questions/69927966/argument-type-string-is-not-assignable-to-parameter-type-keyof-chainable-in-c

You will need to add a wait to your code, since cy.intercept() is just a declarative event listener. Adding a wait for it's alias ensures that it has been triggered.

Also, since the code is async you will probably need to wrap and alias request to use it in other parts. Using the raw request variable might give you the empty value, depending on context.

Ideally you would do this in a beforeEach() I think. You probably also need to add the trigger for the POST call - is is a cy.visit()?

let request;

cy.intercept("POST", "**/url/**", ( req => {
  request = {...req.body};
  req.reply({
    body: response
  })
})).as('myIntercept')

// Must cy.wait (not cy.get) the first occurrence
cy.wait('@myIntercept') 

cy.wrap(request).as('myRequest')

// use the "request" variable
cy.get('@myRequest').then(request => {...

or take request from the wait result

cy.intercept("POST", "**/url/**").as('myIntercept')

// Must cy.wait (not cy.get) the first occurrence
cy.wait('@myIntercept').its('request')
  .then(request => {
    ...
  })

// 2nd time use get()
cy.get('@myIntercept').its('request')
  .then(request => {
    ...
  })

https://stackoverflow.com/questions/69013974/how-to-save-intercepted-request-body-to-outside-variable

Based on the Cypress Testing Library examples, instead of passing the role in an object (cy.findByRole({ role: "checkbox" })), you should be passing it as the first argument:

cy.findByRole("checkbox");

Beyond that, as Jonah pointed out, I think your test may be failing because you are trying to assign the return value of cy.findByRole to a variable. In Cypress, everything is asynchronous, so you need to chain your assertions. This is explained in more depth in the Cypress documentation.

Here is your test case rewritten with all of the above in mind:

cy.findByRole("checkbox").should("not.be.checked");
cy.get(".accordion__itemContent").invoke("display").equal("none")
cy.findByRole("checkbox")
  .check()
  .should("be.checked");
cy.get(".accordion__itemContent").invoke("display").equal("block")

https://stackoverflow.com/questions/63815574/how-to-test-checkbox-toggle-with-cypress-and-testing-library-cypress

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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.