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https://github.com/pulsar-edit/pulsar.git
synced 2024-09-21 07:58:04 +03:00
💄 Clean up LineWrapper spec
This commit is contained in:
Nathan Sobo
parent
0ec6b452ad
commit
06e71bb42f
@ -4,30 +4,18 @@ Highlighter = require 'highlighter'
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Range = require 'range'
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_ = require 'underscore'
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describe "LineWrapper", ->
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fdescribe "LineWrapper", ->
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[wrapper, buffer] = []
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beforeEach ->
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buffer = new Buffer(require.resolve('fixtures/sample.js'))
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wrapper = new LineWrapper(50, new Highlighter(buffer))
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describe ".screenLinesForBufferRow(bufferRow)", ->
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it "returns an array of tokens for each screen line associated with the buffer row", ->
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wrapper.setMaxLength(30)
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screenLines = wrapper.wrappedLines[6].screenLines
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expect(screenLines.length).toBe 3
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[line1, line2, line3] = screenLines
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# TODO: Get this working again after finalizing split tokens
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# expect(line1.endColumn).toBe 24
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# expect(tokensText(line1)).toBe ' current < pivot ? '
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# expect(line2.endColumn).toBe 45
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# expect(tokensText(line2)).toBe 'left.push(current) : '
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# expect(line3.endColumn).toBe 65
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# expect(tokensText(line3)).toBe 'right.push(current);'
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describe ".tokensForScreenRow(row)", ->
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it "returns tokens for the line fragment corresponding to the given screen row", ->
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expect(tokensText wrapper.tokensForScreenRow(3)).toEqual(' var pivot = items.shift(), current, left = [], ')
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expect(tokensText wrapper.tokensForScreenRow(4)).toEqual('right = [];')
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expect(tokensText wrapper.tokensForScreenRow(5)).toEqual(' while(items.length > 0) {')
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describe "when the buffer changes", ->
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changeHandler = null
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@ -39,7 +27,7 @@ describe "LineWrapper", ->
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changeHandler = jasmine.createSpy('changeHandler')
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wrapper.on 'change', changeHandler
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describe "when a single buffer line is updated", ->
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describe "when a buffer line is updated", ->
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describe "when the number of screen lines remains the same for the changed buffer line", ->
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it "re-wraps the existing lines and emits a change event for all its screen lines", ->
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buffer.insert([6, 28], '1234567')
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@ -76,7 +64,7 @@ describe "LineWrapper", ->
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expect(event.oldRange).toEqual([[7, 0], [8, 20]])
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expect(event.newRange).toEqual([[7, 0], [7, 47]])
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describe "when buffer lines are updated and inserted", ->
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describe "when buffer lines are inserted", ->
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fit "re-wraps existing and new screen lines and emits a change event", ->
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buffer.insert([6, 21], '1234567890 abcdefghij 1234567890\nabcdefghij')
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expect(tokensText(wrapper.tokensForScreenRow(7))).toBe ' current < pivot1234567890 abcdefghij '
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@ -91,111 +79,40 @@ describe "LineWrapper", ->
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describe "when buffer lines are removed", ->
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describe "when an unwrapped line is updated", ->
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describe "when the update does not cause the line to wrap", ->
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it "updates tokens for the corresponding screen line and emits a change event", ->
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buffer.insert([0, 10], 'h')
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expect(tokensText(wrapper.tokensForScreenRow(0))).toContain 'quickshort'
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describe ".screenPositionFromBufferPosition(point, allowEOL=false)", ->
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it "translates the given buffer position to a screen position, accounting for wrapped lines", ->
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# before any wrapped lines
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expect(wrapper.screenPositionFromBufferPosition([0, 5])).toEqual([0, 5])
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expect(wrapper.screenPositionFromBufferPosition([0, 29])).toEqual([0, 29])
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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expect(event.oldRange).toEqual(new Range([0, 10], [0, 10]))
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expect(event.newRange).toEqual(new Range([0, 10], [0, 11]))
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changeHandler.reset()
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# on a wrapped line
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expect(wrapper.screenPositionFromBufferPosition([3, 5])).toEqual([3, 5])
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expect(wrapper.screenPositionFromBufferPosition([3, 50])).toEqual([3, 50])
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expect(wrapper.screenPositionFromBufferPosition([3, 62])).toEqual([4, 11])
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# below a wrapped line
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buffer.insert([4, 10], 'foo')
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expect(tokensText(wrapper.tokensForScreenRow(5))).toContain 'fooitems'
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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expect(event.oldRange).toEqual(new Range([5, 10], [5, 10]))
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expect(event.newRange).toEqual(new Range([5, 10], [5, 13]))
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# following a wrapped line
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expect(wrapper.screenPositionFromBufferPosition([4, 5])).toEqual([5, 5])
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describe "when allowEOL is true", ->
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it "preserves a position at the end of a wrapped screen line ", ->
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expect(wrapper.screenPositionFromBufferPosition([3, 51], true)).toEqual([3, 51])
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describe "when the update causes the line to wrap once", ->
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it "updates tokens for the corresponding screen lines and emits a change event", ->
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buffer.insert([2, 4], longText)
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expect(tokensText(wrapper.tokensForScreenRow(2))).toBe ' 0123456789ABCDEFif (items.length <= 1) return '
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expect(tokensText(wrapper.tokensForScreenRow(3))).toBe 'items;'
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expect(tokensText(wrapper.tokensForScreenRow(4))).toBe ' var pivot = items.shift(), current, left = [], '
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describe "when allowEOL is false", ->
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it "translates a position at the end of a wrapped screen line to the begining of the next screen line", ->
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expect(wrapper.screenPositionFromBufferPosition([3, 51])).toEqual([4, 0])
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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expect(event.oldRange).toEqual(new Range([2, 4], [2, 4]))
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expect(event.newRange).toEqual(new Range([2, 4], [3, 6]))
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describe ".bufferPositionFromScreenPosition(point)", ->
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it "translates the given screen position to a buffer position, account for wrapped lines", ->
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# before any wrapped lines
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expect(wrapper.bufferPositionFromScreenPosition([0, 5])).toEqual([0, 5])
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describe "when the update causes the line to wrap multiple times", ->
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it "updates tokens for the corresponding screen lines and emits a change event", ->
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buffer.insert([2, 4], ["/*",longText, longText, longText, longText, "*/"].join(' '))
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expect(tokensText(wrapper.tokensForScreenRow(2))).toBe ' /* 0123456789ABCDEF 0123456789ABCDEF '
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expect(tokensText(wrapper.tokensForScreenRow(3))).toBe '0123456789ABCDEF 0123456789ABCDEF */if '
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expect(tokensText(wrapper.tokensForScreenRow(4))).toBe '(items.length <= 1) return items;'
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expect(tokensText(wrapper.tokensForScreenRow(5))).toBe ' var pivot = items.shift(), current, left = [], '
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# on a wrapped line
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expect(wrapper.bufferPositionFromScreenPosition([3, 5])).toEqual([3, 5])
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expect(wrapper.bufferPositionFromScreenPosition([4, 0])).toEqual([3, 51])
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expect(wrapper.bufferPositionFromScreenPosition([4, 5])).toEqual([3, 56])
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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expect(event.oldRange).toEqual(new Range([2, 4], [2, 4]))
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expect(event.newRange).toEqual(new Range([2, 4], [4, 33]))
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describe "when a wrapped line is updated", ->
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describe "when the old text spans multiple screen lines", ->
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describe "when the new text spans fewer screen lines than the old text", ->
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it "updates tokens for the corresponding screen lines and emits a change event", ->
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wrapper.setMaxLength(15)
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range = new Range([3, 8], [3, 47])
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buffer.change(range, "a")
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expect(tokensText(wrapper.tokensForScreenRow(9))).toBe ' var a [], '
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expect(tokensText(wrapper.tokensForScreenRow(10))).toBe 'right = [];'
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expect(tokensText(wrapper.tokensForScreenRow(11))).toBe ' '
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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expect(event.oldRange).toEqual [[9, 8], [11, 16]]
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expect(event.newRange).toEqual [[9, 8], [9, 9]]
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describe "when the new text spans as many screen lines than the old text", ->
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it "updates tokens for the corresponding screen lines and emits a change event", ->
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range = new Range([3, 40], [3, 57])
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buffer.change(range, text10)
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expect(tokensText(wrapper.tokensForScreenRow(3))).toBe ' var pivot = items.shift(), current, '
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expect(tokensText(wrapper.tokensForScreenRow(4))).toBe '0123456789= [];'
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expect(tokensText(wrapper.tokensForScreenRow(5))).toBe ' while(items.length > 0) {'
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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expect(event.oldRange).toEqual [[3, 40], [4, 6]]
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expect(event.newRange).toEqual [[3, 40], [4, 10]]
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describe "when the new text spans more screen lines than the old text", ->
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it "updates tokens for the corresponding screen lines and emits a change event", ->
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range = new Range([3, 40], [3, 57])
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buffer.change(range, text60)
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expect(tokensText(wrapper.tokensForScreenRow(3))).toBe ' var pivot = items.shift(), current, 0123456789 '
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expect(tokensText(wrapper.tokensForScreenRow(4))).toBe '123456789 123456789 123456789 123456789 123456789= '
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expect(tokensText(wrapper.tokensForScreenRow(5))).toBe '[];'
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expect(tokensText(wrapper.tokensForScreenRow(6))).toBe ' while(items.length > 0) {'
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expect(changeHandler).toHaveBeenCalled()
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[event] = changeHandler.argsForCall[0]
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expect(event.oldRange).toEqual [[3, 40], [4, 6]]
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expect(event.newRange).toEqual [[3, 40], [5, 3]]
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describe "when a line is inserted", ->
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describe "when the line is wrapped", ->
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describe "when the line is not wrapped", ->
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describe "when a line is removed", ->
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describe "when the line is wrapped", ->
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describe "when the line is not wrapped", ->
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describe ".tokensForScreenRow(row)", ->
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it "returns tokens for the line fragment corresponding to the given screen row", ->
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expect(wrapper.tokensForScreenRow(3)).toEqual(wrapper.wrappedLines[3].screenLines[0])
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expect(wrapper.tokensForScreenRow(4)).toEqual(wrapper.wrappedLines[3].screenLines[1])
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expect(wrapper.tokensForScreenRow(5)).toEqual(wrapper.wrappedLines[4].screenLines[0])
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# following a wrapped line
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expect(wrapper.bufferPositionFromScreenPosition([5, 5])).toEqual([4, 5])
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describe ".splitTokens(tokens)", ->
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makeTokens = (array) ->
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@ -263,38 +180,3 @@ describe "LineWrapper", ->
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expect(line2.endColumn).toBe 14
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expect(line2.textLength).toBe 3
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describe ".screenPositionFromBufferPosition(point, allowEOL=false)", ->
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it "translates the given buffer position to a screen position, accounting for wrapped lines", ->
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# before any wrapped lines
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expect(wrapper.screenPositionFromBufferPosition([0, 5])).toEqual([0, 5])
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expect(wrapper.screenPositionFromBufferPosition([0, 29])).toEqual([0, 29])
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# on a wrapped line
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expect(wrapper.screenPositionFromBufferPosition([3, 5])).toEqual([3, 5])
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expect(wrapper.screenPositionFromBufferPosition([3, 50])).toEqual([3, 50])
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expect(wrapper.screenPositionFromBufferPosition([3, 62])).toEqual([4, 11])
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# following a wrapped line
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expect(wrapper.screenPositionFromBufferPosition([4, 5])).toEqual([5, 5])
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describe "when allowEOL is true", ->
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it "preserves a position at the end of a wrapped screen line ", ->
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expect(wrapper.screenPositionFromBufferPosition([3, 51], true)).toEqual([3, 51])
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describe "when allowEOL is false", ->
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it "translates a position at the end of a wrapped screen line to the begining of the next screen line", ->
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expect(wrapper.screenPositionFromBufferPosition([3, 51])).toEqual([4, 0])
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describe ".bufferPositionFromScreenPosition(point)", ->
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it "translates the given screen position to a buffer position, account for wrapped lines", ->
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# before any wrapped lines
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expect(wrapper.bufferPositionFromScreenPosition([0, 5])).toEqual([0, 5])
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# on a wrapped line
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expect(wrapper.bufferPositionFromScreenPosition([3, 5])).toEqual([3, 5])
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expect(wrapper.bufferPositionFromScreenPosition([4, 0])).toEqual([3, 51])
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expect(wrapper.bufferPositionFromScreenPosition([4, 5])).toEqual([3, 56])
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# following a wrapped line
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expect(wrapper.bufferPositionFromScreenPosition([5, 5])).toEqual([4, 5])
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