mirror of
https://github.com/pulsar-edit/pulsar.git
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321 lines
11 KiB
CoffeeScript
321 lines
11 KiB
CoffeeScript
TextEditor = require '../src/text-editor'
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TextEditorElement = require '../src/text-editor-element'
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{Disposable} = require 'event-kit'
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describe "TextEditorElement", ->
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jasmineContent = null
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beforeEach ->
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jasmineContent = document.body.querySelector('#jasmine-content')
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describe "instantiation", ->
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it "honors the 'mini' attribute", ->
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jasmineContent.innerHTML = "<atom-text-editor mini>"
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element = jasmineContent.firstChild
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expect(element.getModel().isMini()).toBe true
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it "honors the 'placeholder-text' attribute", ->
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jasmineContent.innerHTML = "<atom-text-editor placeholder-text='testing'>"
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element = jasmineContent.firstChild
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expect(element.getModel().getPlaceholderText()).toBe 'testing'
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it "honors the 'gutter-hidden' attribute", ->
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jasmineContent.innerHTML = "<atom-text-editor gutter-hidden>"
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element = jasmineContent.firstChild
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expect(element.getModel().isLineNumberGutterVisible()).toBe false
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it "honors the text content", ->
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jasmineContent.innerHTML = "<atom-text-editor>testing</atom-text-editor>"
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element = jasmineContent.firstChild
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expect(element.getModel().getText()).toBe 'testing'
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describe "when the model is assigned", ->
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it "adds the 'mini' attribute if .isMini() returns true on the model", ->
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element = new TextEditorElement
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model = new TextEditor({mini: true})
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element.setModel(model)
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expect(element.hasAttribute('mini')).toBe true
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describe "when the editor is attached to the DOM", ->
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it "mounts the component and unmounts when removed from the dom", ->
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element = new TextEditorElement
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jasmine.attachToDOM(element)
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component = element.component
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expect(component.mounted).toBe true
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element.remove()
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expect(component.mounted).toBe false
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jasmine.attachToDOM(element)
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expect(element.component.mounted).toBe true
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describe "when the editor is detached from the DOM and then reattached", ->
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it "does not render duplicate line numbers", ->
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editor = new TextEditor
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editor.setText('1\n2\n3')
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element = atom.views.getView(editor)
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jasmine.attachToDOM(element)
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initialCount = element.querySelectorAll('.line-number').length
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element.remove()
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jasmine.attachToDOM(element)
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expect(element.querySelectorAll('.line-number').length).toBe initialCount
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it "does not render duplicate decorations in custom gutters", ->
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editor = new TextEditor
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editor.setText('1\n2\n3')
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editor.addGutter({name: 'test-gutter'})
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marker = editor.markBufferRange([[0, 0], [2, 0]])
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editor.decorateMarker(marker, {type: 'gutter', gutterName: 'test-gutter'})
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element = atom.views.getView(editor)
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jasmine.attachToDOM(element)
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initialDecorationCount = element.querySelectorAll('.decoration').length
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element.remove()
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jasmine.attachToDOM(element)
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expect(element.querySelectorAll('.decoration').length).toBe initialDecorationCount
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it "can be re-focused using the previous `document.activeElement`", ->
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editorElement = document.createElement('atom-text-editor')
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jasmine.attachToDOM(editorElement)
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editorElement.focus()
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activeElement = document.activeElement
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editorElement.remove()
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jasmine.attachToDOM(editorElement)
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activeElement.focus()
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expect(editorElement.hasFocus()).toBe(true)
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describe "focus and blur handling", ->
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it "proxies focus/blur events to/from the hidden input", ->
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element = new TextEditorElement
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jasmineContent.appendChild(element)
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blurCalled = false
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element.addEventListener 'blur', -> blurCalled = true
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element.focus()
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expect(blurCalled).toBe false
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expect(element.hasFocus()).toBe true
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expect(document.activeElement).toBe element.querySelector('input')
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document.body.focus()
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expect(blurCalled).toBe true
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it "doesn't trigger a blur event on the editor element when focusing an already focused editor element", ->
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blurCalled = false
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element = new TextEditorElement
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element.addEventListener 'blur', -> blurCalled = true
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jasmineContent.appendChild(element)
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expect(document.activeElement).toBe(document.body)
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expect(blurCalled).toBe(false)
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element.focus()
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expect(document.activeElement).toBe(element.querySelector('input'))
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expect(blurCalled).toBe(false)
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element.focus()
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expect(document.activeElement).toBe(element.querySelector('input'))
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expect(blurCalled).toBe(false)
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describe "when focused while a parent node is being attached to the DOM", ->
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class ElementThatFocusesChild extends HTMLDivElement
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attachedCallback: ->
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@firstChild.focus()
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document.registerElement("element-that-focuses-child",
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prototype: ElementThatFocusesChild.prototype
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)
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it "proxies the focus event to the hidden input", ->
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element = new TextEditorElement
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parentElement = document.createElement("element-that-focuses-child")
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parentElement.appendChild(element)
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jasmineContent.appendChild(parentElement)
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expect(document.activeElement).toBe element.querySelector('input')
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describe "when the themes finish loading", ->
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[themeReloadCallback, initialThemeLoadComplete, element] = []
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beforeEach ->
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themeReloadCallback = null
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initialThemeLoadComplete = false
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spyOn(atom.themes, 'isInitialLoadComplete').andCallFake ->
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initialThemeLoadComplete
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spyOn(atom.themes, 'onDidChangeActiveThemes').andCallFake (fn) ->
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themeReloadCallback = fn
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new Disposable
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element = new TextEditorElement()
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element.style.height = '200px'
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element.getModel().update({autoHeight: false})
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element.getModel().setText [0..20].join("\n")
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it "re-renders the scrollbar", ->
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jasmineContent.appendChild(element)
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atom.styles.addStyleSheet("""
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::-webkit-scrollbar {
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width: 8px;
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}
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""", context: 'atom-text-editor')
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initialThemeLoadComplete = true
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themeReloadCallback()
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verticalScrollbarNode = element.querySelector(".vertical-scrollbar")
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scrollbarWidth = verticalScrollbarNode.offsetWidth - verticalScrollbarNode.clientWidth
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expect(scrollbarWidth).toEqual(8)
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describe "::onDidAttach and ::onDidDetach", ->
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it "invokes callbacks when the element is attached and detached", ->
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element = new TextEditorElement
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attachedCallback = jasmine.createSpy("attachedCallback")
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detachedCallback = jasmine.createSpy("detachedCallback")
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element.onDidAttach(attachedCallback)
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element.onDidDetach(detachedCallback)
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jasmine.attachToDOM(element)
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expect(attachedCallback).toHaveBeenCalled()
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expect(detachedCallback).not.toHaveBeenCalled()
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attachedCallback.reset()
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element.remove()
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expect(attachedCallback).not.toHaveBeenCalled()
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expect(detachedCallback).toHaveBeenCalled()
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describe "::setUpdatedSynchronously", ->
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it "controls whether the text editor is updated synchronously", ->
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spyOn(window, 'requestAnimationFrame').andCallFake (fn) -> fn()
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element = new TextEditorElement
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jasmine.attachToDOM(element)
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element.setUpdatedSynchronously(false)
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expect(element.isUpdatedSynchronously()).toBe false
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element.getModel().setText("hello")
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expect(window.requestAnimationFrame).toHaveBeenCalled()
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expect(element.textContent).toContain "hello"
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window.requestAnimationFrame.reset()
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element.setUpdatedSynchronously(true)
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element.getModel().setText("goodbye")
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expect(window.requestAnimationFrame).not.toHaveBeenCalled()
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expect(element.textContent).toContain "goodbye"
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describe "::getDefaultCharacterWidth", ->
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it "returns null before the element is attached", ->
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element = new TextEditorElement
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expect(element.getDefaultCharacterWidth()).toBeNull()
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it "returns the width of a character in the root scope", ->
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element = new TextEditorElement
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jasmine.attachToDOM(element)
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expect(element.getDefaultCharacterWidth()).toBeGreaterThan(0)
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describe "::getMaxScrollTop", ->
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it "returns the maximum scroll top that can be applied to the element", ->
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editor = new TextEditor
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editor.setText('1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16')
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element = atom.views.getView(editor)
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element.style.lineHeight = "10px"
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element.style.width = "200px"
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jasmine.attachToDOM(element)
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expect(element.getMaxScrollTop()).toBe(0)
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element.style.height = '100px'
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editor.update({autoHeight: false})
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element.component.measureDimensions()
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expect(element.getMaxScrollTop()).toBe(60)
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element.style.height = '120px'
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element.component.measureDimensions()
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expect(element.getMaxScrollTop()).toBe(40)
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element.style.height = '200px'
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element.component.measureDimensions()
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expect(element.getMaxScrollTop()).toBe(0)
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describe "on TextEditor::setMini", ->
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it "changes the element's 'mini' attribute", ->
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element = new TextEditorElement
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jasmine.attachToDOM(element)
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expect(element.hasAttribute('mini')).toBe false
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element.getModel().setMini(true)
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expect(element.hasAttribute('mini')).toBe true
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element.getModel().setMini(false)
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expect(element.hasAttribute('mini')).toBe false
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describe "events", ->
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element = null
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beforeEach ->
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element = new TextEditorElement
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element.getModel().setText("lorem\nipsum\ndolor\nsit\namet")
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element.setUpdatedSynchronously(true)
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element.setHeight(20)
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element.setWidth(20)
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element.getModel().update({autoHeight: false})
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describe "::onDidChangeScrollTop(callback)", ->
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it "triggers even when subscribing before attaching the element", ->
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positions = []
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subscription1 = element.onDidChangeScrollTop (p) -> positions.push(p)
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jasmine.attachToDOM(element)
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subscription2 = element.onDidChangeScrollTop (p) -> positions.push(p)
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positions.length = 0
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element.setScrollTop(10)
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expect(positions).toEqual([10, 10])
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element.remove()
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jasmine.attachToDOM(element)
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positions.length = 0
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element.setScrollTop(20)
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expect(positions).toEqual([20, 20])
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subscription1.dispose()
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positions.length = 0
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element.setScrollTop(30)
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expect(positions).toEqual([30])
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describe "::onDidChangeScrollLeft(callback)", ->
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it "triggers even when subscribing before attaching the element", ->
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positions = []
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subscription1 = element.onDidChangeScrollLeft (p) -> positions.push(p)
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jasmine.attachToDOM(element)
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subscription2 = element.onDidChangeScrollLeft (p) -> positions.push(p)
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positions.length = 0
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element.setScrollLeft(10)
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expect(positions).toEqual([10, 10])
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element.remove()
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jasmine.attachToDOM(element)
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positions.length = 0
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element.setScrollLeft(20)
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expect(positions).toEqual([20, 20])
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subscription1.dispose()
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positions.length = 0
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element.setScrollLeft(30)
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expect(positions).toEqual([30])
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