const path = require('path')
const fs = require('fs-plus')
const temp = require('temp')

describe('git-diff:toggle-diff-list', () => {
  let diffListView, editor

  beforeEach(() => {
    const projectPath = temp.mkdirSync('git-diff-spec-')
    fs.copySync(path.join(__dirname, 'fixtures', 'working-dir'), projectPath)
    fs.moveSync(
      path.join(projectPath, 'git.git'),
      path.join(projectPath, '.git')
    )
    atom.project.setPaths([projectPath])

    jasmine.attachToDOM(atom.workspace.getElement())

    waitsForPromise(() => atom.packages.activatePackage('git-diff'))

    waitsForPromise(() => atom.workspace.open('sample.js'))

    runs(() => {
      editor = atom.workspace.getActiveTextEditor()
      editor.setCursorBufferPosition([8, 30])
      editor.insertText('a')
      atom.commands.dispatch(editor.getElement(), 'git-diff:toggle-diff-list')
    })

    waitsFor(() => {
      diffListView = document.querySelector('.diff-list-view')
      return diffListView && diffListView.querySelectorAll('li').length > 0
    })
  })

  it('shows a list of all diff hunks', () => {
    diffListView = document.querySelector('.diff-list-view ol')
    expect(diffListView.textContent).toBe('while (items.length > 0) {a-9,1 +9,1')
  })

  it('moves the cursor to the selected hunk', () => {
    editor.setCursorBufferPosition([0, 0])
    atom.commands.dispatch(
      document.querySelector('.diff-list-view'),
      'core:confirm'
    )
    expect(editor.getCursorBufferPosition()).toEqual([8, 4])
  })
})