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bf7d7e0d2a
We have shifted the responsibility of orchestrating state updates and measurements to the yardstick. The presenter still needs to be updated to make use of these new capabilities.
69 lines
2.6 KiB
CoffeeScript
69 lines
2.6 KiB
CoffeeScript
LinesYardstick = require '../src/lines-yardstick'
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MockLinesComponent = require './mock-lines-component'
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describe "LinesYardstick", ->
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[editor, mockPresenter, mockLinesComponent, linesYardstick] = []
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beforeEach ->
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waitsForPromise ->
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atom.packages.activatePackage('language-javascript')
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waitsForPromise ->
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atom.project.open('sample.js').then (o) -> editor = o
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runs ->
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mockPresenter = {getStateForMeasurements: jasmine.createSpy()}
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mockLinesComponent = new MockLinesComponent(editor)
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linesYardstick = new LinesYardstick(editor, mockPresenter, mockLinesComponent)
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mockLinesComponent.setDefaultFont("14px monospace")
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afterEach ->
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doSomething = true
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it "converts screen positions to pixel positions", ->
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stubState = {anything: {}}
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mockPresenter.getStateForMeasurements.andReturn(stubState)
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linesYardstick.prepareScreenRowsForMeasurement([0, 1, 2])
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expect(mockPresenter.getStateForMeasurements).toHaveBeenCalledWith([0, 1, 2])
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expect(mockLinesComponent.updateSync).toHaveBeenCalledWith(stubState)
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conversionTable = [
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[[0, 0], {left: 0, top: editor.getLineHeightInPixels() * 0}]
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[[0, 3], {left: 24, top: editor.getLineHeightInPixels() * 0}]
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[[0, 4], {left: 32, top: editor.getLineHeightInPixels() * 0}]
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[[0, 5], {left: 40, top: editor.getLineHeightInPixels() * 0}]
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[[1, 0], {left: 0, top: editor.getLineHeightInPixels() * 1}]
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[[1, 1], {left: 0, top: editor.getLineHeightInPixels() * 1}]
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[[1, 6], {left: 48, top: editor.getLineHeightInPixels() * 1}]
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[[1, Infinity], {left: 240, top: editor.getLineHeightInPixels() * 1}]
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]
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for [point, position] in conversionTable
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expect(
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linesYardstick.pixelPositionForScreenPosition(point)
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).toEqual(position)
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mockLinesComponent.setFontForScopes(
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["source.js", "storage.modifier.js"], "16px monospace"
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)
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linesYardstick.clearCache()
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conversionTable = [
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[[0, 0], {left: 0, top: editor.getLineHeightInPixels() * 0}]
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[[0, 3], {left: 30, top: editor.getLineHeightInPixels() * 0}]
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[[0, 4], {left: 38, top: editor.getLineHeightInPixels() * 0}]
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[[0, 5], {left: 46, top: editor.getLineHeightInPixels() * 0}]
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[[1, 0], {left: 0, top: editor.getLineHeightInPixels() * 1}]
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[[1, 1], {left: 0, top: editor.getLineHeightInPixels() * 1}]
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[[1, 6], {left: 54, top: editor.getLineHeightInPixels() * 1}]
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[[1, Infinity], {left: 246, top: editor.getLineHeightInPixels() * 1}]
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]
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for [point, position] in conversionTable
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expect(
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linesYardstick.pixelPositionForScreenPosition(point)
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).toEqual(position)
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