git.r.bdr.sh - rbdr/dotfiles/blob - atom/packages/vim-mode/spec/scroll-spec.coffee

   1 helpers = require './spec-helper'
   2
   3 describe "Scrolling", ->
   4   [editor, editorElement, vimState] = []
   5
   6   beforeEach ->
   7     vimMode = atom.packages.loadPackage('vim-mode')
   8     vimMode.activateResources()
   9
  10     helpers.getEditorElement (element) ->
  11       editorElement = element
  12       editor = editorElement.getModel()
  13       vimState = editorElement.vimState
  14       vimState.activateCommandMode()
  15       vimState.resetCommandMode()
  16
  17   keydown = (key, options={}) ->
  18     options.element ?= editorElement
  19     helpers.keydown(key, options)
  20
  21   describe "scrolling keybindings", ->
  22     beforeEach ->
  23       editor.setText("1\n2\n3\n4\n5\n6\n7\n8\n9\n10")
  24       spyOn(editor, 'getFirstVisibleScreenRow').andReturn(2)
  25       spyOn(editor, 'getLastVisibleScreenRow').andReturn(8)
  26       spyOn(editor, 'scrollToScreenPosition')
  27
  28     describe "the ctrl-e keybinding", ->
  29       beforeEach ->
  30         spyOn(editor, 'getCursorScreenPosition').andReturn({row: 4, column: 0})
  31         spyOn(editor, 'setCursorScreenPosition')
  32
  33       it "moves the screen down by one and keeps cursor onscreen", ->
  34         keydown('e', ctrl: true)
  35         expect(editor.scrollToScreenPosition).toHaveBeenCalledWith([7, 0])
  36         expect(editor.setCursorScreenPosition).toHaveBeenCalledWith([6, 0])
  37
  38     describe "the ctrl-y keybinding", ->
  39       beforeEach ->
  40         spyOn(editor, 'getCursorScreenPosition').andReturn({row: 6, column: 0})
  41         spyOn(editor, 'setCursorScreenPosition')
  42
  43       it "moves the screen up by one and keeps the cursor onscreen", ->
  44         keydown('y', ctrl: true)
  45         expect(editor.scrollToScreenPosition).toHaveBeenCalledWith([3, 0])
  46         expect(editor.setCursorScreenPosition).toHaveBeenCalledWith([4, 0])
  47
  48   describe "scroll cursor keybindings", ->
  49     beforeEach ->
  50       text = ""
  51       for i in [1..200]
  52         text += "#{i}\n"
  53       editor.setText(text)
  54
  55       spyOn(editor, 'moveToFirstCharacterOfLine')
  56       spyOn(editor, 'getLineHeightInPixels').andReturn(20)
  57       spyOn(editor, 'setScrollTop')
  58       spyOn(editor, 'getHeight').andReturn(200)
  59       spyOn(editor, 'getFirstVisibleScreenRow').andReturn(90)
  60       spyOn(editor, 'getLastVisibleScreenRow').andReturn(110)
  61
  62     describe "the z<CR> keybinding", ->
  63       keydownCodeForEnter = '\r'
  64
  65       beforeEach ->
  66         spyOn(editor, 'pixelPositionForScreenPosition').andReturn({top: 1000, left: 0})
  67
  68       it "moves the screen to position cursor at the top of the window and moves cursor to first non-blank in the line", ->
  69         keydown('z')
  70         keydown(keydownCodeForEnter)
  71         expect(editor.setScrollTop).toHaveBeenCalledWith(960)
  72         expect(editor.moveToFirstCharacterOfLine).toHaveBeenCalled()
  73
  74     describe "the zt keybinding", ->
  75       beforeEach ->
  76         spyOn(editor, 'pixelPositionForScreenPosition').andReturn({top: 1000, left: 0})
  77
  78       it "moves the screen to position cursor at the top of the window and leave cursor in the same column", ->
  79         keydown('z')
  80         keydown('t')
  81         expect(editor.setScrollTop).toHaveBeenCalledWith(960)
  82         expect(editor.moveToFirstCharacterOfLine).not.toHaveBeenCalled()
  83
  84     describe "the z. keybinding", ->
  85       beforeEach ->
  86         spyOn(editor, 'pixelPositionForScreenPosition').andReturn({top: 1000, left: 0})
  87
  88       it "moves the screen to position cursor at the center of the window and moves cursor to first non-blank in the line", ->
  89         keydown('z')
  90         keydown('.')
  91         expect(editor.setScrollTop).toHaveBeenCalledWith(900)
  92         expect(editor.moveToFirstCharacterOfLine).toHaveBeenCalled()
  93
  94     describe "the zz keybinding", ->
  95       beforeEach ->
  96         spyOn(editor, 'pixelPositionForScreenPosition').andReturn({top: 1000, left: 0})
  97
  98       it "moves the screen to position cursor at the center of the window and leave cursor in the same column", ->
  99         keydown('z')
 100         keydown('z')
 101         expect(editor.setScrollTop).toHaveBeenCalledWith(900)
 102         expect(editor.moveToFirstCharacterOfLine).not.toHaveBeenCalled()
 103
 104     describe "the z- keybinding", ->
 105       beforeEach ->
 106         spyOn(editor, 'pixelPositionForScreenPosition').andReturn({top: 1000, left: 0})
 107
 108       it "moves the screen to position cursor at the bottom of the window and moves cursor to first non-blank in the line", ->
 109         keydown('z')
 110         keydown('-')
 111         expect(editor.setScrollTop).toHaveBeenCalledWith(860)
 112         expect(editor.moveToFirstCharacterOfLine).toHaveBeenCalled()
 113
 114     describe "the zb keybinding", ->
 115       beforeEach ->
 116         spyOn(editor, 'pixelPositionForScreenPosition').andReturn({top: 1000, left: 0})
 117
 118       it "moves the screen to position cursor at the bottom of the window and leave cursor in the same column", ->
 119         keydown('z')
 120         keydown('b')
 121         expect(editor.setScrollTop).toHaveBeenCalledWith(860)
 122         expect(editor.moveToFirstCharacterOfLine).not.toHaveBeenCalled()