hedgedoc/cypress/integration/fileUpload.spec.ts

/*
 * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */

const imageUrl = 'http://example.com/non-existing.png'

describe('File upload', () => {
  beforeEach(() => {
    cy.visitTestEditor()
  })

  it('doesn\'t prevent drag\'n\'drop of plain text', () => {
    const dataTransfer = new DataTransfer()
    cy.codemirrorFill('line 1\nline 2\ndragline')
    cy.get('.CodeMirror')
      .click()
    cy.get('.CodeMirror-line > span')
      .last()
      .dblclick()
    cy.get('.CodeMirror-line > span > .cm-matchhighlight')
      .trigger('dragstart', { dataTransfer })
    cy.get('.CodeMirror-code > div:nth-of-type(1) > .CodeMirror-line > span  span')
      .trigger('drop', { dataTransfer })
    cy.get('.CodeMirror-code > div:nth-of-type(1) > .CodeMirror-line > span  span')
      .should('have.text', 'lindraglinee 1')
  })

  describe('upload works', () => {
    beforeEach(() => {
      cy.intercept({
        method: 'POST',
        url: '/mock-backend/api/private/media/upload'
      }, {
        statusCode: 201,
        body: {
          link: imageUrl
        }
      })
    })
    it('via button', () => {
      cy.get('.fa-upload')
        .click()
      cy.get('div.btn-group > input[type=file]')
        .attachFile({ filePath: 'demo.png', mimeType: 'image/png' })
      cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
        .should('have.text', `![](${ imageUrl })`)
    })

    it('via paste', () => {
      cy.fixture('demo.png')
        .then((image: string) => {
          const pasteEvent = {
            clipboardData: {
              files: [Cypress.Blob.base64StringToBlob(image, 'image/png')],
              getData: (_: string) => ''
            }
          }
          cy.get('.CodeMirror-scroll')
            .trigger('paste', pasteEvent)
          cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
            .should('have.text', `![](${ imageUrl })`)
        })
    })

    it('via drag and drop', () => {
      cy.fixture('demo.png')
        .then((image: string) => {
          const dropEvent = {
            dataTransfer: {
              files: [Cypress.Blob.base64StringToBlob(image, 'image/png')],
              effectAllowed: 'uninitialized'
            }
          }
          cy.get('.CodeMirror-scroll')
            .trigger('dragenter', dropEvent)
          cy.get('.CodeMirror-scroll')
            .trigger('drop', dropEvent)
          cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
            .should('have.text', `![](${ imageUrl })`)
        })
    })
  })

  it('upload fails', () => {
    cy.intercept({
      method: 'POST',
      url: '/mock-backend/api/private/media/upload'
    }, {
      statusCode: 400
    })
    cy.get('.fa-upload')
      .click()
    cy.fixture('demo.png')
      .then(() => {
        cy.get('input[type=file]')
          .attachFile({ filePath: 'demo.png', mimeType: 'image/png' })
      })
    cy.get('.CodeMirror-activeline > .CodeMirror-line > span > span')
      .should('have.text', String.fromCharCode(8203)) //thanks codemirror....
  })

  it('text paste still works', () => {
    const testText = 'a long test text'
    const pasteEvent = {
      clipboardData: {
        getData: (type = 'text') => testText
      }
    }
    cy.get('.CodeMirror-scroll')
      .trigger('paste', pasteEvent)
    cy.get('.CodeMirror-activeline > .CodeMirror-line > span')
      .should('have.text', `${ testText }`)
  })
})