pulsar/spec/editor-component-spec.coffee
2014-04-29 16:11:20 -07:00

584 lines
27 KiB
CoffeeScript

{extend, flatten, toArray} = require 'underscore-plus'
ReactEditorView = require '../src/react-editor-view'
nbsp = String.fromCharCode(160)
describe "EditorComponent", ->
[editor, wrapperView, component, node, verticalScrollbarNode, horizontalScrollbarNode] = []
[lineHeightInPixels, charWidth, delayAnimationFrames, nextAnimationFrame] = []
beforeEach ->
waitsForPromise ->
atom.packages.activatePackage('language-javascript')
runs ->
spyOn(window, "setInterval").andCallFake window.fakeSetInterval
spyOn(window, "clearInterval").andCallFake window.fakeClearInterval
delayAnimationFrames = false
nextAnimationFrame = null
spyOn(window, 'requestAnimationFrame').andCallFake (fn) ->
if delayAnimationFrames
nextAnimationFrame = fn
else
fn()
waitsForPromise ->
atom.project.open('sample.js').then (o) -> editor = o
runs ->
wrapperView = new ReactEditorView(editor)
wrapperView.attachToDom()
{component} = wrapperView
component.setLineHeight(1.3)
component.setFontSize(20)
lineHeightInPixels = editor.getLineHeight()
charWidth = editor.getDefaultCharWidth()
node = component.getDOMNode()
verticalScrollbarNode = node.querySelector('.vertical-scrollbar')
horizontalScrollbarNode = node.querySelector('.horizontal-scrollbar')
describe "line rendering", ->
it "renders only the currently-visible lines", ->
node.style.height = 4.5 * lineHeightInPixels + 'px'
component.measureHeightAndWidth()
lines = node.querySelectorAll('.line')
expect(lines.length).toBe 6
expect(lines[0].textContent).toBe editor.lineForScreenRow(0).text
expect(lines[5].textContent).toBe editor.lineForScreenRow(5).text
verticalScrollbarNode.scrollTop = 2.5 * lineHeightInPixels
verticalScrollbarNode.dispatchEvent(new UIEvent('scroll'))
expect(node.querySelector('.scroll-view-content').style['-webkit-transform']).toBe "translate3d(0px, #{-2.5 * lineHeightInPixels}px, 0)"
lineNodes = node.querySelectorAll('.line')
expect(lineNodes.length).toBe 6
expect(lineNodes[0].offsetTop).toBe 2 * lineHeightInPixels
expect(lineNodes[0].textContent).toBe editor.lineForScreenRow(2).text
expect(lineNodes[5].textContent).toBe editor.lineForScreenRow(7).text
it "updates absolute positions of subsequent lines when lines are inserted or removed", ->
editor.getBuffer().deleteRows(0, 1)
lineNodes = node.querySelectorAll('.line')
expect(lineNodes[0].offsetTop).toBe 0
expect(lineNodes[1].offsetTop).toBe 1 * lineHeightInPixels
expect(lineNodes[2].offsetTop).toBe 2 * lineHeightInPixels
editor.getBuffer().insert([0, 0], '\n\n')
lineNodes = node.querySelectorAll('.line')
expect(lineNodes[0].offsetTop).toBe 0
expect(lineNodes[1].offsetTop).toBe 1 * lineHeightInPixels
expect(lineNodes[2].offsetTop).toBe 2 * lineHeightInPixels
expect(lineNodes[3].offsetTop).toBe 3 * lineHeightInPixels
expect(lineNodes[4].offsetTop).toBe 4 * lineHeightInPixels
describe "when indent guides are enabled", ->
beforeEach ->
component.setShowIndentGuide(true)
it "adds an 'indent-guide' class to spans comprising the leading whitespace", ->
lines = node.querySelectorAll('.line')
line1LeafNodes = getLeafNodes(lines[1])
expect(line1LeafNodes[0].textContent).toBe ' '
expect(line1LeafNodes[0].classList.contains('indent-guide')).toBe true
expect(line1LeafNodes[1].classList.contains('indent-guide')).toBe false
line2LeafNodes = getLeafNodes(lines[2])
expect(line2LeafNodes[0].textContent).toBe ' '
expect(line2LeafNodes[0].classList.contains('indent-guide')).toBe true
expect(line2LeafNodes[1].textContent).toBe ' '
expect(line2LeafNodes[1].classList.contains('indent-guide')).toBe true
expect(line2LeafNodes[2].classList.contains('indent-guide')).toBe false
it "renders leading whitespace spans with the 'indent-guide' class for empty lines", ->
editor.getBuffer().insert([1, Infinity], '\n')
lines = node.querySelectorAll('.line')
line2LeafNodes = getLeafNodes(lines[2])
expect(line2LeafNodes.length).toBe 3
expect(line2LeafNodes[0].textContent).toBe ' '
expect(line2LeafNodes[0].classList.contains('indent-guide')).toBe true
expect(line2LeafNodes[1].textContent).toBe ' '
expect(line2LeafNodes[1].classList.contains('indent-guide')).toBe true
expect(line2LeafNodes[2].textContent).toBe ' '
expect(line2LeafNodes[2].classList.contains('indent-guide')).toBe true
it "renders indent guides correctly on lines containing only whitespace", ->
editor.getBuffer().insert([1, Infinity], '\n ')
lines = node.querySelectorAll('.line')
line2LeafNodes = getLeafNodes(lines[2])
expect(line2LeafNodes.length).toBe 3
expect(line2LeafNodes[0].textContent).toBe ' '
expect(line2LeafNodes[0].classList.contains('indent-guide')).toBe true
expect(line2LeafNodes[1].textContent).toBe ' '
expect(line2LeafNodes[1].classList.contains('indent-guide')).toBe true
expect(line2LeafNodes[2].textContent).toBe ' '
expect(line2LeafNodes[2].classList.contains('indent-guide')).toBe true
it "does not render indent guides in trailing whitespace for lines containing non whitespace characters", ->
editor.getBuffer().setText (" hi ")
lines = node.querySelectorAll('.line')
line0LeafNodes = getLeafNodes(lines[0])
expect(line0LeafNodes[0].textContent).toBe ' '
expect(line0LeafNodes[0].classList.contains('indent-guide')).toBe true
expect(line0LeafNodes[1].textContent).toBe ' '
expect(line0LeafNodes[1].classList.contains('indent-guide')).toBe false
getLeafNodes = (node) ->
if node.children.length > 0
flatten(toArray(node.children).map(getLeafNodes))
else
[node]
describe "gutter rendering", ->
it "renders the currently-visible line numbers", ->
node.style.height = 4.5 * lineHeightInPixels + 'px'
component.measureHeightAndWidth()
lines = node.querySelectorAll('.line-number')
expect(lines.length).toBe 6
expect(lines[0].textContent).toBe "#{nbsp}1"
expect(lines[5].textContent).toBe "#{nbsp}6"
verticalScrollbarNode.scrollTop = 2.5 * lineHeightInPixels
verticalScrollbarNode.dispatchEvent(new UIEvent('scroll'))
expect(node.querySelector('.line-numbers').style['-webkit-transform']).toBe "translate3d(0, #{-2.5 * lineHeightInPixels}px, 0)"
lineNumberNodes = node.querySelectorAll('.line-number')
expect(lineNumberNodes.length).toBe 6
expect(lineNumberNodes[0].offsetTop).toBe 2 * lineHeightInPixels
expect(lineNumberNodes[5].offsetTop).toBe 7 * lineHeightInPixels
expect(lineNumberNodes[0].textContent).toBe "#{nbsp}3"
expect(lineNumberNodes[5].textContent).toBe "#{nbsp}8"
it "updates absolute positions of subsequent line numbers when lines are inserted or removed", ->
editor.getBuffer().insert([0, 0], '\n\n')
lineNumberNodes = node.querySelectorAll('.line-number')
expect(lineNumberNodes[0].offsetTop).toBe 0
expect(lineNumberNodes[1].offsetTop).toBe 1 * lineHeightInPixels
expect(lineNumberNodes[2].offsetTop).toBe 2 * lineHeightInPixels
expect(lineNumberNodes[3].offsetTop).toBe 3 * lineHeightInPixels
expect(lineNumberNodes[4].offsetTop).toBe 4 * lineHeightInPixels
editor.getBuffer().insert([0, 0], '\n\n')
lineNumberNodes = node.querySelectorAll('.line-number')
expect(lineNumberNodes[0].offsetTop).toBe 0
expect(lineNumberNodes[1].offsetTop).toBe 1 * lineHeightInPixels
expect(lineNumberNodes[2].offsetTop).toBe 2 * lineHeightInPixels
expect(lineNumberNodes[3].offsetTop).toBe 3 * lineHeightInPixels
expect(lineNumberNodes[4].offsetTop).toBe 4 * lineHeightInPixels
it "renders • characters for soft-wrapped lines", ->
editor.setSoftWrap(true)
node.style.height = 4.5 * lineHeightInPixels + 'px'
node.style.width = 30 * charWidth + 'px'
component.measureHeightAndWidth()
lines = node.querySelectorAll('.line-number')
expect(lines.length).toBe 6
expect(lines[0].textContent).toBe "#{nbsp}1"
expect(lines[1].textContent).toBe "#{nbsp}"
expect(lines[2].textContent).toBe "#{nbsp}2"
expect(lines[3].textContent).toBe "#{nbsp}"
expect(lines[4].textContent).toBe "#{nbsp}3"
expect(lines[5].textContent).toBe "#{nbsp}"
describe "cursor rendering", ->
it "renders the currently visible cursors", ->
cursor1 = editor.getCursor()
cursor1.setScreenPosition([0, 5])
node.style.height = 4.5 * lineHeightInPixels + 'px'
component.measureHeightAndWidth()
cursorNodes = node.querySelectorAll('.cursor')
expect(cursorNodes.length).toBe 1
expect(cursorNodes[0].offsetHeight).toBe lineHeightInPixels
expect(cursorNodes[0].offsetWidth).toBe charWidth
expect(cursorNodes[0].offsetTop).toBe 0
expect(cursorNodes[0].offsetLeft).toBe 5 * charWidth
cursor2 = editor.addCursorAtScreenPosition([6, 11])
cursor3 = editor.addCursorAtScreenPosition([4, 10])
cursorNodes = node.querySelectorAll('.cursor')
expect(cursorNodes.length).toBe 2
expect(cursorNodes[0].offsetTop).toBe 0
expect(cursorNodes[0].offsetLeft).toBe 5 * charWidth
expect(cursorNodes[1].offsetTop).toBe 4 * lineHeightInPixels
expect(cursorNodes[1].offsetLeft).toBe 10 * charWidth
verticalScrollbarNode.scrollTop = 2.5 * lineHeightInPixels
verticalScrollbarNode.dispatchEvent(new UIEvent('scroll'))
cursorNodes = node.querySelectorAll('.cursor')
expect(cursorNodes.length).toBe 2
expect(cursorNodes[0].offsetTop).toBe 6 * lineHeightInPixels
expect(cursorNodes[0].offsetLeft).toBe 11 * charWidth
expect(cursorNodes[1].offsetTop).toBe 4 * lineHeightInPixels
expect(cursorNodes[1].offsetLeft).toBe 10 * charWidth
cursor3.destroy()
cursorNodes = node.querySelectorAll('.cursor')
expect(cursorNodes.length).toBe 1
expect(cursorNodes[0].offsetTop).toBe 6 * lineHeightInPixels
expect(cursorNodes[0].offsetLeft).toBe 11 * charWidth
it "accounts for character widths when positioning cursors", ->
atom.config.set('editor.fontFamily', 'sans-serif')
editor.setCursorScreenPosition([0, 16])
cursor = node.querySelector('.cursor')
cursorRect = cursor.getBoundingClientRect()
cursorLocationTextNode = node.querySelector('.storage.type.function.js').firstChild.firstChild
range = document.createRange()
range.setStart(cursorLocationTextNode, 0)
range.setEnd(cursorLocationTextNode, 1)
rangeRect = range.getBoundingClientRect()
expect(cursorRect.left).toBe rangeRect.left
expect(cursorRect.width).toBe rangeRect.width
it "blinks cursors when they aren't moving", ->
editor.addCursorAtScreenPosition([1, 0])
[cursorNode1, cursorNode2] = node.querySelectorAll('.cursor')
expect(cursorNode1.classList.contains('blink-off')).toBe false
expect(cursorNode2.classList.contains('blink-off')).toBe false
advanceClock(component.props.cursorBlinkPeriod / 2)
expect(cursorNode1.classList.contains('blink-off')).toBe true
expect(cursorNode2.classList.contains('blink-off')).toBe true
advanceClock(component.props.cursorBlinkPeriod / 2)
expect(cursorNode1.classList.contains('blink-off')).toBe false
expect(cursorNode2.classList.contains('blink-off')).toBe false
advanceClock(component.props.cursorBlinkPeriod / 2)
expect(cursorNode1.classList.contains('blink-off')).toBe true
expect(cursorNode2.classList.contains('blink-off')).toBe true
# Stop blinking immediately when cursors move
advanceClock(component.props.cursorBlinkPeriod / 4)
expect(cursorNode1.classList.contains('blink-off')).toBe true
expect(cursorNode2.classList.contains('blink-off')).toBe true
# Stop blinking for one full period after moving the cursor
editor.moveCursorRight()
expect(cursorNode1.classList.contains('blink-off')).toBe false
expect(cursorNode2.classList.contains('blink-off')).toBe false
advanceClock(component.props.cursorBlinkResumeDelay / 2)
expect(cursorNode1.classList.contains('blink-off')).toBe false
expect(cursorNode2.classList.contains('blink-off')).toBe false
advanceClock(component.props.cursorBlinkResumeDelay / 2)
expect(cursorNode1.classList.contains('blink-off')).toBe true
expect(cursorNode2.classList.contains('blink-off')).toBe true
advanceClock(component.props.cursorBlinkPeriod / 2)
expect(cursorNode1.classList.contains('blink-off')).toBe false
expect(cursorNode2.classList.contains('blink-off')).toBe false
it "renders the hidden input field at the position of the last cursor if it is on screen", ->
inputNode = node.querySelector('.hidden-input')
node.style.height = 5 * lineHeightInPixels + 'px'
node.style.width = 10 * charWidth + 'px'
component.measureHeightAndWidth()
expect(editor.getCursorScreenPosition()).toEqual [0, 0]
editor.setScrollTop(3 * lineHeightInPixels)
editor.setScrollLeft(3 * charWidth)
expect(inputNode.offsetTop).toBe 0
expect(inputNode.offsetLeft).toBe 0
editor.setCursorBufferPosition([5, 5])
cursorRect = editor.getCursor().getPixelRect()
cursorTop = cursorRect.top
cursorLeft = cursorRect.left
expect(inputNode.offsetTop).toBe cursorTop - editor.getScrollTop()
expect(inputNode.offsetLeft).toBe cursorLeft - editor.getScrollLeft()
it "does not render cursors that are associated with non-empty selections", ->
editor.setSelectedScreenRange([[0, 4], [4, 6]])
editor.addCursorAtScreenPosition([6, 8])
cursorNodes = node.querySelectorAll('.cursor')
expect(cursorNodes.length).toBe 1
expect(cursorNodes[0].offsetTop).toBe 6 * lineHeightInPixels
expect(cursorNodes[0].offsetLeft).toBe 8 * charWidth
describe "selection rendering", ->
scrollViewClientLeft = null
beforeEach ->
scrollViewClientLeft = node.querySelector('.scroll-view').getBoundingClientRect().left
it "renders 1 region for 1-line selections", ->
# 1-line selection
editor.setSelectedScreenRange([[1, 6], [1, 10]])
regions = node.querySelectorAll('.selection .region')
expect(regions.length).toBe 1
regionRect = regions[0].getBoundingClientRect()
expect(regionRect.top).toBe 1 * lineHeightInPixels
expect(regionRect.height).toBe 1 * lineHeightInPixels
expect(regionRect.left).toBe scrollViewClientLeft + 6 * charWidth
expect(regionRect.width).toBe 4 * charWidth
it "renders 2 regions for 2-line selections", ->
editor.setSelectedScreenRange([[1, 6], [2, 10]])
regions = node.querySelectorAll('.selection .region')
expect(regions.length).toBe 2
region1Rect = regions[0].getBoundingClientRect()
expect(region1Rect.top).toBe 1 * lineHeightInPixels
expect(region1Rect.height).toBe 1 * lineHeightInPixels
expect(region1Rect.left).toBe scrollViewClientLeft + 6 * charWidth
expect(Math.ceil(region1Rect.right)).toBe node.clientWidth # TODO: Remove ceiling when react-wrapper is removed
region2Rect = regions[1].getBoundingClientRect()
expect(region2Rect.top).toBe 2 * lineHeightInPixels
expect(region2Rect.height).toBe 1 * lineHeightInPixels
expect(region2Rect.left).toBe scrollViewClientLeft + 0
expect(region2Rect.width).toBe 10 * charWidth
it "renders 3 regions for selections with more than 2 lines", ->
editor.setSelectedScreenRange([[1, 6], [5, 10]])
regions = node.querySelectorAll('.selection .region')
expect(regions.length).toBe 3
region1Rect = regions[0].getBoundingClientRect()
expect(region1Rect.top).toBe 1 * lineHeightInPixels
expect(region1Rect.height).toBe 1 * lineHeightInPixels
expect(region1Rect.left).toBe scrollViewClientLeft + 6 * charWidth
expect(Math.ceil(region1Rect.right)).toBe node.clientWidth # TODO: Remove ceiling when react-wrapper is removed
region2Rect = regions[1].getBoundingClientRect()
expect(region2Rect.top).toBe 2 * lineHeightInPixels
expect(region2Rect.height).toBe 3 * lineHeightInPixels
expect(region2Rect.left).toBe scrollViewClientLeft + 0
expect(Math.ceil(region2Rect.right)).toBe node.clientWidth # TODO: Remove ceiling when react-wrapper is removed
region3Rect = regions[2].getBoundingClientRect()
expect(region3Rect.top).toBe 5 * lineHeightInPixels
expect(region3Rect.height).toBe 1 * lineHeightInPixels
expect(region3Rect.left).toBe scrollViewClientLeft + 0
expect(region3Rect.width).toBe 10 * charWidth
it "does not render empty selections", ->
expect(editor.getSelection().isEmpty()).toBe true
expect(node.querySelectorAll('.selection').length).toBe 0
describe "mouse interactions", ->
linesNode = null
beforeEach ->
delayAnimationFrames = true
linesNode = node.querySelector('.lines')
describe "when a non-folded line is single-clicked", ->
describe "when no modifier keys are held down", ->
it "moves the cursor to the nearest screen position", ->
node.style.height = 4.5 * lineHeightInPixels + 'px'
node.style.width = 10 * charWidth + 'px'
component.measureHeightAndWidth()
editor.setScrollTop(3.5 * lineHeightInPixels)
editor.setScrollLeft(2 * charWidth)
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([4, 8])))
expect(editor.getCursorScreenPosition()).toEqual [4, 8]
describe "when the shift key is held down", ->
it "selects to the nearest screen position", ->
editor.setCursorScreenPosition([3, 4])
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([5, 6]), shiftKey: true))
expect(editor.getSelectedScreenRange()).toEqual [[3, 4], [5, 6]]
describe "when the command key is held down", ->
it "adds a cursor at the nearest screen position", ->
editor.setCursorScreenPosition([3, 4])
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([5, 6]), metaKey: true))
expect(editor.getSelectedScreenRanges()).toEqual [[[3, 4], [3, 4]], [[5, 6], [5, 6]]]
describe "when a non-folded line is double-clicked", ->
it "selects the word containing the nearest screen position", ->
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([5, 10]), detail: 2))
linesNode.dispatchEvent(buildMouseEvent('mouseup'))
expect(editor.getSelectedScreenRange()).toEqual [[5, 6], [5, 13]]
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([6, 6]), detail: 1))
linesNode.dispatchEvent(buildMouseEvent('mouseup'))
expect(editor.getSelectedScreenRange()).toEqual [[6, 6], [6, 6]]
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([8, 8]), detail: 1, shiftKey: true))
linesNode.dispatchEvent(buildMouseEvent('mouseup'))
expect(editor.getSelectedScreenRange()).toEqual [[6, 6], [8, 8]]
describe "when a non-folded line is triple-clicked", ->
it "selects the line containing the nearest screen position", ->
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([5, 10]), detail: 3))
linesNode.dispatchEvent(buildMouseEvent('mouseup'))
expect(editor.getSelectedScreenRange()).toEqual [[5, 0], [6, 0]]
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([6, 6]), detail: 1, shiftKey: true))
linesNode.dispatchEvent(buildMouseEvent('mouseup'))
expect(editor.getSelectedScreenRange()).toEqual [[5, 0], [7, 0]]
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([7, 5]), detail: 1))
linesNode.dispatchEvent(buildMouseEvent('mouseup'))
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([8, 8]), detail: 1, shiftKey: true))
linesNode.dispatchEvent(buildMouseEvent('mouseup'))
expect(editor.getSelectedScreenRange()).toEqual [[7, 5], [8, 8]]
describe "when the mouse is clicked and dragged", ->
it "selects to the nearest screen position until the mouse button is released", ->
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([2, 4]), which: 1))
linesNode.dispatchEvent(buildMouseEvent('mousemove', clientCoordinatesForScreenPosition([6, 8]), which: 1))
nextAnimationFrame()
expect(editor.getSelectedScreenRange()).toEqual [[2, 4], [6, 8]]
linesNode.dispatchEvent(buildMouseEvent('mousemove', clientCoordinatesForScreenPosition([10, 0]), which: 1))
nextAnimationFrame()
expect(editor.getSelectedScreenRange()).toEqual [[2, 4], [10, 0]]
linesNode.dispatchEvent(buildMouseEvent('mouseup'))
linesNode.dispatchEvent(buildMouseEvent('mousemove', clientCoordinatesForScreenPosition([12, 0]), which: 1))
nextAnimationFrame()
expect(editor.getSelectedScreenRange()).toEqual [[2, 4], [10, 0]]
it "stops selecting if the mouse is dragged into the dev tools", ->
linesNode.dispatchEvent(buildMouseEvent('mousedown', clientCoordinatesForScreenPosition([2, 4]), which: 1))
linesNode.dispatchEvent(buildMouseEvent('mousemove', clientCoordinatesForScreenPosition([6, 8]), which: 1))
nextAnimationFrame()
expect(editor.getSelectedScreenRange()).toEqual [[2, 4], [6, 8]]
linesNode.dispatchEvent(buildMouseEvent('mousemove', clientCoordinatesForScreenPosition([10, 0]), which: 0))
nextAnimationFrame()
expect(editor.getSelectedScreenRange()).toEqual [[2, 4], [6, 8]]
linesNode.dispatchEvent(buildMouseEvent('mousemove', clientCoordinatesForScreenPosition([8, 0]), which: 1))
nextAnimationFrame()
expect(editor.getSelectedScreenRange()).toEqual [[2, 4], [6, 8]]
clientCoordinatesForScreenPosition = (screenPosition) ->
positionOffset = editor.pixelPositionForScreenPosition(screenPosition)
scrollViewClientRect = node.querySelector('.scroll-view').getBoundingClientRect()
clientX = scrollViewClientRect.left + positionOffset.left - editor.getScrollLeft()
clientY = scrollViewClientRect.top + positionOffset.top - editor.getScrollTop()
{clientX, clientY}
buildMouseEvent = (type, properties...) ->
properties = extend({bubbles: true, cancelable: true}, properties...)
event = new MouseEvent(type, properties)
Object.defineProperty(event, 'which', get: -> properties.which) if properties.which?
event
describe "focus handling", ->
inputNode = null
beforeEach ->
inputNode = node.querySelector('.hidden-input')
it "transfers focus to the hidden input", ->
expect(document.activeElement).toBe document.body
node.focus()
expect(document.activeElement).toBe inputNode
it "adds the 'is-focused' class to the editor when the hidden input is focused", ->
expect(document.activeElement).toBe document.body
inputNode.focus()
expect(node.classList.contains('is-focused')).toBe true
inputNode.blur()
expect(node.classList.contains('is-focused')).toBe false
describe "scrolling", ->
it "updates the vertical scrollbar when the scrollTop is changed in the model", ->
node.style.height = 4.5 * lineHeightInPixels + 'px'
component.measureHeightAndWidth()
expect(verticalScrollbarNode.scrollTop).toBe 0
editor.setScrollTop(10)
expect(verticalScrollbarNode.scrollTop).toBe 10
it "updates the horizontal scrollbar and scroll view content x transform based on the scrollLeft of the model", ->
node.style.width = 30 * charWidth + 'px'
component.measureHeightAndWidth()
scrollViewContentNode = node.querySelector('.scroll-view-content')
expect(scrollViewContentNode.style['-webkit-transform']).toBe "translate3d(0px, 0px, 0)"
expect(horizontalScrollbarNode.scrollLeft).toBe 0
editor.setScrollLeft(100)
expect(scrollViewContentNode.style['-webkit-transform']).toBe "translate3d(-100px, 0px, 0)"
expect(horizontalScrollbarNode.scrollLeft).toBe 100
it "updates the scrollLeft of the model when the scrollLeft of the horizontal scrollbar changes", ->
node.style.width = 30 * charWidth + 'px'
component.measureHeightAndWidth()
expect(editor.getScrollLeft()).toBe 0
horizontalScrollbarNode.scrollLeft = 100
horizontalScrollbarNode.dispatchEvent(new UIEvent('scroll'))
expect(editor.getScrollLeft()).toBe 100
describe "when a mousewheel event occurs on the editor", ->
it "updates the horizontal or vertical scrollbar depending on which delta is greater (x or y)", ->
node.style.height = 4.5 * lineHeightInPixels + 'px'
node.style.width = 20 * charWidth + 'px'
component.measureHeightAndWidth()
expect(verticalScrollbarNode.scrollTop).toBe 0
expect(horizontalScrollbarNode.scrollLeft).toBe 0
node.dispatchEvent(new WheelEvent('mousewheel', wheelDeltaX: -5, wheelDeltaY: -10))
expect(verticalScrollbarNode.scrollTop).toBe 10
expect(horizontalScrollbarNode.scrollLeft).toBe 0
node.dispatchEvent(new WheelEvent('mousewheel', wheelDeltaX: -15, wheelDeltaY: -5))
expect(verticalScrollbarNode.scrollTop).toBe 10
expect(horizontalScrollbarNode.scrollLeft).toBe 15
describe "input events", ->
inputNode = null
beforeEach ->
inputNode = node.querySelector('.hidden-input')
it "inserts the newest character in the input's value into the buffer", ->
inputNode.value = 'x'
inputNode.dispatchEvent(new Event('input'))
expect(editor.lineForBufferRow(0)).toBe 'xvar quicksort = function () {'
inputNode.value = 'xy'
inputNode.dispatchEvent(new Event('input'))
expect(editor.lineForBufferRow(0)).toBe 'xyvar quicksort = function () {'
it "replaces the last character if the length of the input's value doesn't increase, as occurs with the accented character menu", ->
inputNode.value = 'u'
inputNode.dispatchEvent(new Event('input'))
expect(editor.lineForBufferRow(0)).toBe 'uvar quicksort = function () {'
inputNode.value = 'ü'
inputNode.dispatchEvent(new Event('input'))
expect(editor.lineForBufferRow(0)).toBe 'üvar quicksort = function () {'
describe "commands", ->
describe "editor:consolidate-selections", ->
it "consolidates selections on the editor model, aborting the key binding if there is only one selection", ->
spyOn(editor, 'consolidateSelections').andCallThrough()
event = new CustomEvent('editor:consolidate-selections', bubbles: true, cancelable: true)
event.abortKeyBinding = jasmine.createSpy("event.abortKeyBinding")
node.dispatchEvent(event)
expect(editor.consolidateSelections).toHaveBeenCalled()
expect(event.abortKeyBinding).toHaveBeenCalled()