key-binding-spec.coffee

{KeyBinding, MATCH_TYPES} = require '../src/key-binding'

describe "KeyBinding", ->
  describe ".matchesKeystrokes(userKeystrokes)", ->
    it "returns 'exact' for exact matches", ->
      assert.equal(keyBindingArgHelper('ctrl-tab ^tab ^ctrl').matchesKeystrokes(['ctrl-tab', '^tab', '^ctrl']), 'exact')
      assert.equal(keyBindingArgHelper('ctrl-tab ^ctrl').matchesKeystrokes(['ctrl-tab', '^tab', '^ctrl']), 'exact')
      assert.equal(keyBindingArgHelper('a b c').matchesKeystrokes(['a', '^a', 'b', '^b', 'c']), 'exact')
      assert.equal(keyBindingArgHelper('a b ^b c').matchesKeystrokes(['a', '^a', 'b', '^b', 'c']), 'exact')
      assert.equal(keyBindingArgHelper('a ^').matchesKeystrokes(['a', '^a', '^']), 'exact')

    it "returns false for non-matches", ->
      assert.equal(keyBindingArgHelper('ctrl-tab ^tab').matchesKeystrokes(['ctrl-tab', '^tab', '^ctrl']), false)
      assert.equal(keyBindingArgHelper('a b c').matchesKeystrokes(['a', '^a', 'b', '^b', 'c', '^c']), false)
      assert.equal(keyBindingArgHelper('a b ^b c').matchesKeystrokes(['a', '^a', 'b', '^b', 'c', '^c']), false)

      assert.equal(keyBindingArgHelper('a').matchesKeystrokes(['a', '^a', 'b', '^b', 'c', '^c']), false)
      assert.equal(keyBindingArgHelper('a').matchesKeystrokes(['a', '^a']), false)
      assert.equal(keyBindingArgHelper('a c').matchesKeystrokes(['a', '^a', 'b', '^b', 'c', '^c']), false)
      assert.equal(keyBindingArgHelper('a b ^d').matchesKeystrokes(['a', '^a', 'b', '^b', 'c', '^c']), false)
      assert.equal(keyBindingArgHelper('a d ^d').matchesKeystrokes(['a', '^a', 'b', '^b', 'c', '^c']), false)
      assert.equal(keyBindingArgHelper('a d ^d').matchesKeystrokes(['^c']), false)

    it "returns 'partial' for partial matches", ->
      assert.equal(keyBindingArgHelper('a b ^b').matchesKeystrokes(['a']), 'partial')
      assert.equal(keyBindingArgHelper('a b c').matchesKeystrokes(['a']), 'partial')
      assert.equal(keyBindingArgHelper('a b c').matchesKeystrokes(['a', '^a']), 'partial')
      assert.equal(keyBindingArgHelper('a b c').matchesKeystrokes(['a', '^a', 'b']), 'partial')
      assert.equal(keyBindingArgHelper('a b c').matchesKeystrokes(['a', '^a', 'b', '^b']), 'partial')
      assert.equal(keyBindingArgHelper('a b c').matchesKeystrokes(['a', '^a', 'd', '^d']), false)

    it "returns 'partial' correctly for bindings that end in ^", ->
      assert.equal(keyBindingArgHelper('g a ^').matchesKeystrokes(['g', '^g', 'a', '^a']), 'partial')

    it "returns MATCH_TYPES.PENDING_KEYUP for bindings that match and contain a remainder of only keyup events", ->
      assert.equal(keyBindingArgHelper('a b ^b').matchesKeystrokes(['a', 'b']), MATCH_TYPES.PENDING_KEYUP)

keyBindingArgHelper = (binding) ->
  return new KeyBinding('test', 'test', binding, 'body', 0)