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109 lines
3.6 KiB
JavaScript
109 lines
3.6 KiB
JavaScript
const Panel = require('../src/panel')
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describe('Panel', () => {
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class TestPanelItem {
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getElement () {
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if (!this.element) {
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this.element = document.createElement('div')
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this.element.tabIndex = -1
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this.element.className = 'test-root'
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}
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return this.element
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}
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}
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it('adds the item\'s element as a child of the panel', () => {
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const panel = new Panel({item: new TestPanelItem()}, atom.views)
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const element = panel.getElement()
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expect(element.tagName.toLowerCase()).toBe('atom-panel')
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expect(element.firstChild).toBe(panel.getItem().getElement())
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})
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describe('destroying the panel', () => {
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it('removes the element when the panel is destroyed', () => {
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const panel = new Panel({item: new TestPanelItem()}, atom.views)
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const element = panel.getElement()
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const jasmineContent = document.getElementById('jasmine-content')
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jasmineContent.appendChild(element)
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expect(element.parentNode).toBe(jasmineContent)
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panel.destroy()
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expect(element.parentNode).not.toBe(jasmineContent)
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})
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it('does not try to remove the element twice', () => {
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const item = new TestPanelItem()
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const panel = new Panel({item}, atom.views)
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const element = panel.getElement()
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const jasmineContent = document.getElementById('jasmine-content')
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jasmineContent.appendChild(element)
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item.getElement().focus()
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expect(item.getElement()).toHaveFocus()
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// Avoid this error:
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// NotFoundError: Failed to execute 'remove' on 'Element':
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// The node to be removed is no longer a child of this node.
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// Perhaps it was moved in a 'blur' event handler?
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item.getElement().addEventListener('blur', () => panel.destroy())
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panel.destroy()
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})
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})
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describe('changing panel visibility', () => {
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it('notifies observers added with onDidChangeVisible', () => {
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const panel = new Panel({item: new TestPanelItem()}, atom.views)
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const spy = jasmine.createSpy()
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panel.onDidChangeVisible(spy)
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panel.hide()
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expect(panel.isVisible()).toBe(false)
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expect(spy).toHaveBeenCalledWith(false)
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spy.reset()
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panel.show()
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expect(panel.isVisible()).toBe(true)
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expect(spy).toHaveBeenCalledWith(true)
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panel.destroy()
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expect(panel.isVisible()).toBe(false)
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expect(spy).toHaveBeenCalledWith(false)
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})
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it('initially renders panel created with visible: false', () => {
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const panel = new Panel({visible: false, item: new TestPanelItem()}, atom.views)
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const element = panel.getElement()
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expect(element.style.display).toBe('none')
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})
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it('hides and shows the panel element when Panel::hide() and Panel::show() are called', () => {
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const panel = new Panel({item: new TestPanelItem()}, atom.views)
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const element = panel.getElement()
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expect(element.style.display).not.toBe('none')
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panel.hide()
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expect(element.style.display).toBe('none')
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panel.show()
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expect(element.style.display).not.toBe('none')
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})
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})
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describe('when a class name is specified', () => {
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it('initially renders panel created with visible: false', () => {
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const panel = new Panel({className: 'some classes', item: new TestPanelItem()}, atom.views)
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const element = panel.getElement()
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expect(element).toHaveClass('some')
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expect(element).toHaveClass('classes')
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})
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})
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describe('creating an atom-panel via markup', () => {
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it('does not throw an error', () => {
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const element = document.createElement('atom-panel')
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})
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})
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})
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