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59 lines
2.2 KiB
CoffeeScript
59 lines
2.2 KiB
CoffeeScript
LinesYardstick = require '../src/lines-yardstick'
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MockLineNodesProvider = require './mock-line-nodes-provider'
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describe "LinesYardstick", ->
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[editor, mockLineNodesProvider, builtLineNodes, 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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mockLineNodesProvider = new MockLineNodesProvider(editor)
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linesYardstick = new LinesYardstick(editor, mockLineNodesProvider)
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afterEach ->
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mockLineNodesProvider.dispose()
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it "converts screen positions to pixel positions", ->
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mockLineNodesProvider.setDefaultFont("14px monospace")
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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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mockLineNodesProvider.setFontForScopes(
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["source.js", "storage.modifier.js"], "16px monospace"
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)
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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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