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69 lines
2.2 KiB
CoffeeScript
69 lines
2.2 KiB
CoffeeScript
Gutter = require '../src/gutter'
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describe 'Gutter', ->
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fakeGutterContainer = {}
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name = 'name'
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describe '::hide', ->
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it 'hides the gutter if it is visible.', ->
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options =
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name: name
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visible: true
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gutter = new Gutter fakeGutterContainer, options
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events = []
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gutter.onDidChangeVisible (gutter) ->
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events.push gutter.isVisible()
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expect(gutter.isVisible()).toBe true
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gutter.hide()
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expect(gutter.isVisible()).toBe false
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expect(events).toEqual [false]
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gutter.hide()
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expect(gutter.isVisible()).toBe false
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# An event should only be emitted when the visibility changes.
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expect(events.length).toBe 1
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describe '::show', ->
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it 'shows the gutter if it is hidden.', ->
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options =
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name: name
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visible: false
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gutter = new Gutter fakeGutterContainer, options
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events = []
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gutter.onDidChangeVisible (gutter) ->
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events.push gutter.isVisible()
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expect(gutter.isVisible()).toBe false
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gutter.show()
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expect(gutter.isVisible()).toBe true
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expect(events).toEqual [true]
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gutter.show()
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expect(gutter.isVisible()).toBe true
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# An event should only be emitted when the visibility changes.
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expect(events.length).toBe 1
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describe '::destroy', ->
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[mockGutterContainer, mockGutterContainerRemovedGutters] = []
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beforeEach ->
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mockGutterContainerRemovedGutters = []
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mockGutterContainer = removeGutter: (destroyedGutter) ->
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mockGutterContainerRemovedGutters.push destroyedGutter
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it 'removes the gutter from its container.', ->
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gutter = new Gutter mockGutterContainer, {name}
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gutter.destroy()
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expect(mockGutterContainerRemovedGutters).toEqual([gutter])
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it 'calls all callbacks registered on ::onDidDestroy.', ->
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gutter = new Gutter mockGutterContainer, {name}
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didDestroy = false
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gutter.onDidDestroy ->
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didDestroy = true
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gutter.destroy()
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expect(didDestroy).toBe true
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it 'does not allow destroying the line-number gutter', ->
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gutter = new Gutter mockGutterContainer, {name: 'line-number'}
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expect(gutter.destroy).toThrow()
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