mirror of
https://github.com/pulsar-edit/pulsar.git
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227 lines
9.9 KiB
CoffeeScript
227 lines
9.9 KiB
CoffeeScript
Keymap = require 'keymap'
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$ = require 'jquery'
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describe "Keymap", ->
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fragment = null
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keymap = null
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beforeEach ->
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keymap = new Keymap
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fragment = $ """
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<div class="command-mode">
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<div class="child-node">
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<div class="grandchild-node"/>
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</div>
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</div>
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"""
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describe ".handleKeyEvent(event)", ->
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deleteCharHandler = null
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insertCharHandler = null
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beforeEach ->
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keymap.bindKeys '.command-mode', 'x': 'deleteChar'
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keymap.bindKeys '.insert-mode', 'x': 'insertChar'
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deleteCharHandler = jasmine.createSpy 'deleteCharHandler'
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insertCharHandler = jasmine.createSpy 'insertCharHandler'
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fragment.on 'deleteChar', deleteCharHandler
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fragment.on 'insertChar', insertCharHandler
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it "adds a 'keystroke' string to the event object", ->
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event = keydownEvent('x', altKey: true, metaKey: true)
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keymap.handleKeyEvent(event)
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expect(event.keystroke).toBe 'alt-meta-x'
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describe "when no binding matches the event", ->
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it "returns true, so the event continues to propagate", ->
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expect(keymap.handleKeyEvent(keydownEvent('0', target: fragment[0]))).toBeTruthy()
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describe "when the event's target node matches a selector with a matching binding", ->
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it "triggers the command event associated with that binding on the target node and returns false", ->
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result = keymap.handleKeyEvent(keydownEvent('x', target: fragment[0]))
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expect(result).toBe(false)
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expect(deleteCharHandler).toHaveBeenCalled()
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expect(insertCharHandler).not.toHaveBeenCalled()
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deleteCharHandler.reset()
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fragment.removeClass('command-mode').addClass('insert-mode')
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event = keydownEvent('x', target: fragment[0])
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keymap.handleKeyEvent(event)
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expect(deleteCharHandler).not.toHaveBeenCalled()
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expect(insertCharHandler).toHaveBeenCalled()
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commandEvent = insertCharHandler.argsForCall[0][0]
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expect(commandEvent.keyEvent).toBe event
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expect(event.keystroke).toBe 'x'
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describe "when the event's target node *descends* from a selector with a matching binding", ->
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it "triggers the command event associated with that binding on the target node and returns false", ->
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target = fragment.find('.child-node')[0]
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result = keymap.handleKeyEvent(keydownEvent('x', target: target))
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expect(result).toBe(false)
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expect(deleteCharHandler).toHaveBeenCalled()
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expect(insertCharHandler).not.toHaveBeenCalled()
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deleteCharHandler.reset()
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fragment.removeClass('command-mode').addClass('insert-mode')
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keymap.handleKeyEvent(keydownEvent('x', target: target))
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expect(deleteCharHandler).not.toHaveBeenCalled()
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expect(insertCharHandler).toHaveBeenCalled()
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describe "when the event's target node descends from multiple nodes that match selectors with a binding", ->
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it "only triggers bindings on selectors associated with the closest ancestor node", ->
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keymap.bindKeys '.child-node', 'x': 'foo'
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fooHandler = jasmine.createSpy 'fooHandler'
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fragment.on 'foo', fooHandler
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target = fragment.find('.grandchild-node')[0]
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keymap.handleKeyEvent(keydownEvent('x', target: target))
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expect(fooHandler).toHaveBeenCalled()
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expect(deleteCharHandler).not.toHaveBeenCalled()
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expect(insertCharHandler).not.toHaveBeenCalled()
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describe "when the event bubbles to a node that matches multiple selectors", ->
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describe "when the matching selectors differ in specificity", ->
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it "triggers the binding for the most specific selector", ->
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keymap.bindKeys 'div .child-node', 'x': 'foo'
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keymap.bindKeys '.command-mode .child-node', 'x': 'baz'
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keymap.bindKeys '.child-node', 'x': 'bar'
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fooHandler = jasmine.createSpy 'fooHandler'
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barHandler = jasmine.createSpy 'barHandler'
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bazHandler = jasmine.createSpy 'bazHandler'
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fragment.on 'foo', fooHandler
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fragment.on 'bar', barHandler
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fragment.on 'baz', bazHandler
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target = fragment.find('.grandchild-node')[0]
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keymap.handleKeyEvent(keydownEvent('x', target: target))
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expect(fooHandler).not.toHaveBeenCalled()
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expect(barHandler).not.toHaveBeenCalled()
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expect(bazHandler).toHaveBeenCalled()
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describe "when the matching selectors have the same specificity", ->
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it "triggers the bindings for the most recently declared selector", ->
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keymap.bindKeys '.child-node', 'x': 'foo', 'y': 'baz'
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keymap.bindKeys '.child-node', 'x': 'bar'
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fooHandler = jasmine.createSpy 'fooHandler'
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barHandler = jasmine.createSpy 'barHandler'
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bazHandler = jasmine.createSpy 'bazHandler'
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fragment.on 'foo', fooHandler
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fragment.on 'bar', barHandler
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fragment.on 'baz', bazHandler
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target = fragment.find('.grandchild-node')[0]
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keymap.handleKeyEvent(keydownEvent('x', target: target))
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expect(barHandler).toHaveBeenCalled()
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expect(fooHandler).not.toHaveBeenCalled()
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keymap.handleKeyEvent(keydownEvent('y', target: target))
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expect(bazHandler).toHaveBeenCalled()
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describe ".bindKeys(selector, fnOrMap)", ->
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describe "when called with a selector and a hash", ->
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it "normalizes the key patterns in the hash to put the modifiers in alphabetical order", ->
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fooHandler = jasmine.createSpy('fooHandler')
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fragment.on 'foo', fooHandler
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keymap.bindKeys '*', 'ctrl-alt-delete': 'foo'
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result = keymap.handleKeyEvent(keydownEvent('delete', ctrlKey: true, altKey: true, target: fragment[0]))
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expect(result).toBe(false)
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expect(fooHandler).toHaveBeenCalled()
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fooHandler.reset()
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keymap.bindKeys '*', 'ctrl-alt--': 'foo'
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result = keymap.handleKeyEvent(keydownEvent('-', ctrlKey: true, altKey: true, target: fragment[0]))
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expect(result).toBe(false)
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expect(fooHandler).toHaveBeenCalled()
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describe "when called with a selector and a function", ->
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it "calls the given function when selector matches", ->
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handler = jasmine.createSpy 'handler'
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keymap.bindKeys '.child-node', handler
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target = fragment.find('.grandchild-node')[0]
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event = keydownEvent('y', target: target)
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keymap.handleKeyEvent event
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expect(handler).toHaveBeenCalledWith(event)
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describe "when the function returns a command string", ->
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it "triggers the command event on the target and stops propagating the event", ->
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keymap.bindKeys '*', 'x': 'foo'
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keymap.bindKeys '*', -> 'bar'
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fooHandler = jasmine.createSpy('fooHandler')
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barHandler = jasmine.createSpy('barHandler')
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fragment.on 'foo', fooHandler
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fragment.on 'bar', barHandler
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target = fragment.find('.child-node')[0]
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keymap.handleKeyEvent(keydownEvent('x', target: target))
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expect(fooHandler).not.toHaveBeenCalled()
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expect(barHandler).toHaveBeenCalled()
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describe "when the function returns false", ->
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it "stops propagating the event", ->
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keymap.bindKeys '*', 'x': 'foo'
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keymap.bindKeys '*', -> false
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fooHandler = jasmine.createSpy('fooHandler')
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fragment.on 'foo', fooHandler
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target = fragment.find('.child-node')[0]
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keymap.handleKeyEvent(keydownEvent('x', target: target))
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expect(fooHandler).not.toHaveBeenCalled()
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describe "when the function returns anything other than a string or false", ->
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it "continues to propagate the event", ->
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keymap.bindKeys '*', 'x': 'foo'
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keymap.bindKeys '*', -> undefined
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fooHandler = jasmine.createSpy('fooHandler')
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fragment.on 'foo', fooHandler
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target = fragment.find('.child-node')[0]
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keymap.handleKeyEvent(keydownEvent('x', target: target))
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expect(fooHandler).toHaveBeenCalled()
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describe ".bindKey(selector, pattern, eventName)", ->
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it "binds a single key", ->
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keymap.bindKey '.child-node', 'z', 'foo'
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fooHandler = jasmine.createSpy('fooHandler')
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fragment.on 'foo', fooHandler
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target = fragment.find('.child-node')[0]
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keymap.handleKeyEvent(keydownEvent('z', target: target))
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expect(fooHandler).toHaveBeenCalled()
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describe ".keystrokeStringForEvent(event)", ->
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describe "when no modifiers are pressed", ->
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it "returns a string that identifies the key pressed", ->
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expect(keymap.keystrokeStringForEvent(keydownEvent('a'))).toBe 'a'
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expect(keymap.keystrokeStringForEvent(keydownEvent('['))).toBe '['
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expect(keymap.keystrokeStringForEvent(keydownEvent('*'))).toBe '*'
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expect(keymap.keystrokeStringForEvent(keydownEvent('left'))).toBe 'left'
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expect(keymap.keystrokeStringForEvent(keydownEvent('\b'))).toBe 'backspace'
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describe "when ctrl, alt or meta is pressed with a non-modifier key", ->
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it "returns a string that identifies the key pressed", ->
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expect(keymap.keystrokeStringForEvent(keydownEvent('a', altKey: true))).toBe 'alt-a'
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expect(keymap.keystrokeStringForEvent(keydownEvent('[', metaKey: true))).toBe 'meta-['
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expect(keymap.keystrokeStringForEvent(keydownEvent('*', ctrlKey: true))).toBe 'ctrl-*'
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expect(keymap.keystrokeStringForEvent(keydownEvent('left', ctrlKey: true, metaKey: true, altKey: true))).toBe 'alt-ctrl-meta-left'
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describe "when shift is pressed when a non-modifer key", ->
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it "returns a string that identifies the key pressed", ->
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expect(keymap.keystrokeStringForEvent(keydownEvent('A', shiftKey: true))).toBe 'A'
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expect(keymap.keystrokeStringForEvent(keydownEvent('{', shiftKey: true))).toBe '{'
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expect(keymap.keystrokeStringForEvent(keydownEvent('left', shiftKey: true))).toBe 'shift-left'
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expect(keymap.keystrokeStringForEvent(keydownEvent('Left', shiftKey: true))).toBe 'shift-left'
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