electron/spec-main/api-dialog-spec.ts

import { expect } from 'chai'
import { dialog, BrowserWindow } from 'electron'
import { closeAllWindows } from './window-helpers'
import { ifit } from './spec-helpers'

describe('dialog module', () => {
  describe('showOpenDialog', () => {
    afterEach(closeAllWindows)
    ifit(process.platform !== 'win32')('should not throw for valid cases', () => {
      expect(() => {
        dialog.showOpenDialog({ title: 'i am title' })
      }).to.not.throw()

      expect(() => {
        const w = new BrowserWindow()
        dialog.showOpenDialog(w, { title: 'i am title' })
      }).to.not.throw()
    })

    it('throws errors when the options are invalid', () => {
      expect(() => {
        dialog.showOpenDialog({ properties: false as any })
      }).to.throw(/Properties must be an array/)

      expect(() => {
        dialog.showOpenDialog({ title: 300 as any })
      }).to.throw(/Title must be a string/)

      expect(() => {
        dialog.showOpenDialog({ buttonLabel: [] as any })
      }).to.throw(/Button label must be a string/)

      expect(() => {
        dialog.showOpenDialog({ defaultPath: {} as any })
      }).to.throw(/Default path must be a string/)

      expect(() => {
        dialog.showOpenDialog({ message: {} as any })
      }).to.throw(/Message must be a string/)
    })
  })

  describe('showSaveDialog', () => {
    afterEach(closeAllWindows)
    ifit(process.platform !== 'win32')('should not throw for valid cases', () => {
      expect(() => {
        dialog.showSaveDialog({ title: 'i am title' })
      }).to.not.throw()

      expect(() => {
        const w = new BrowserWindow()
        dialog.showSaveDialog(w, { title: 'i am title' })
      }).to.not.throw()
    })

    it('throws errors when the options are invalid', () => {
      expect(() => {
        dialog.showSaveDialog({ title: 300 as any })
      }).to.throw(/Title must be a string/)

      expect(() => {
        dialog.showSaveDialog({ buttonLabel: [] as any })
      }).to.throw(/Button label must be a string/)

      expect(() => {
        dialog.showSaveDialog({ defaultPath: {} as any })
      }).to.throw(/Default path must be a string/)

      expect(() => {
        dialog.showSaveDialog({ message: {} as any })
      }).to.throw(/Message must be a string/)

      expect(() => {
        dialog.showSaveDialog({ nameFieldLabel: {} as any })
      }).to.throw(/Name field label must be a string/)
    })
  })

  describe('showMessageBox', () => {
    afterEach(closeAllWindows);

    // parentless message boxes are synchronous on macOS
    // dangling message boxes on windows cause a DCHECK: https://cs.chromium.org/chromium/src/base/win/message_window.cc?l=68&rcl=7faa4bf236a866d007dc5672c9ce42660e67a6a6
    ifit(process.platform !== 'darwin' && process.platform !== 'win32')('should not throw for a parentless message box', () => {
      expect(() => {
        dialog.showMessageBox({ message: 'i am message' })
      }).to.not.throw()
    })

    ifit(process.platform !== 'win32')('should not throw for valid cases', () => {
      expect(() => {
        const w = new BrowserWindow()
        dialog.showMessageBox(w, { message: 'i am message' })
      }).to.not.throw()
    })

    it('throws errors when the options are invalid', () => {
      expect(() => {
        dialog.showMessageBox(undefined as any, { type: 'not-a-valid-type', message: '' })
      }).to.throw(/Invalid message box type/)

      expect(() => {
        dialog.showMessageBox(null as any, { buttons: false as any, message: '' })
      }).to.throw(/Buttons must be an array/)

      expect(() => {
        dialog.showMessageBox({ title: 300 as any, message: '' })
      }).to.throw(/Title must be a string/)

      expect(() => {
        dialog.showMessageBox({ message: [] as any })
      }).to.throw(/Message must be a string/)

      expect(() => {
        dialog.showMessageBox({ detail: 3.14 as any, message: '' })
      }).to.throw(/Detail must be a string/)

      expect(() => {
        dialog.showMessageBox({ checkboxLabel: false as any, message: '' })
      }).to.throw(/checkboxLabel must be a string/)
    })
  })

  describe('showErrorBox', () => {
    it('throws errors when the options are invalid', () => {
      expect(() => {
        (dialog.showErrorBox as any)()
      }).to.throw(/Insufficient number of arguments/)

      expect(() => {
        dialog.showErrorBox(3 as any, 'four')
      }).to.throw(/Error processing argument at index 0/)

      expect(() => {
        dialog.showErrorBox('three', 4 as any)
      }).to.throw(/Error processing argument at index 1/)
    })
  })

  describe('showCertificateTrustDialog', () => {
    it('throws errors when the options are invalid', () => {
      expect(() => {
        (dialog.showCertificateTrustDialog as any)()
      }).to.throw(/options must be an object/)

      expect(() => {
        dialog.showCertificateTrustDialog({} as any)
      }).to.throw(/certificate must be an object/)

      expect(() => {
        dialog.showCertificateTrustDialog({ certificate: {} as any, message: false as any })
      }).to.throw(/message must be a string/)
    })
  })
})