libapps/hterm/js/hterm_parser_tests.js at main · harmoninux/libapps · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
// Copyright 2015 The ChromiumOS Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**
 * @fileoverview hterm.Parser unit tests.
 */

import {hterm} from '../index.js';

/**
 * Helper to check parseKeySequence failing behavior.
 *
 * @param {string} input The key sequence to parse.
 * @param {!RegExp} pattern The error message checker.
 */
const negKeySeq = function(input, pattern) {
  try {
    const p = new hterm.Parser();
    p.reset(input);
    p.parseKeySequence();
  } catch (ex) {
    assert.isTrue(!!ex);
    assert.match(ex.message, pattern);
    return;
  }

  assert.fail(`Expected failure for: ${input}`);
};

it('sequence-identifiers', () => {
  const p = new hterm.Parser();

  const checkResult = function(input, output) {
    p.reset(input);
    const rv = p.parseKeySequence();
    assert.equal(rv.keyCode, output);
    assert.isFalse(rv.shift);
    assert.isFalse(rv.ctrl);
    assert.isFalse(rv.alt);
    assert.isFalse(rv.meta);
  };

  checkResult('X', 88);
  checkResult('x', 88);
  checkResult('ENTER', 13);
  checkResult('Ent', 13);
  checkResult('esc', 27);

  negKeySeq('FOO', /Unknown key: FOO/);
});

it('modifiers', () => {
  const p = new hterm.Parser();

  const checkResult = function(input, shift, ctrl, alt, meta) {
    p.reset(input);
    const rv = p.parseKeySequence();
    assert.equal(rv.keyCode, 88);
    assert.equal(rv.shift, shift);
    assert.equal(rv.ctrl, ctrl);
    assert.equal(rv.alt, alt);
    assert.equal(rv.meta, meta);
  };

  checkResult('Shift+X', true, false, false, false);
  checkResult('Ctrl+X', false, true, false, false);
  checkResult('Control+X', false, true, false, false);
  checkResult('Alt+X', false, false, true, false);
  checkResult('Meta+X', false, false, false, true);

  checkResult('SHIFT-X', true, false, false, false);
  checkResult('CTRL-X', false, true, false, false);
  checkResult('CONTROL-X', false, true, false, false);
  checkResult('ALT-X', false, false, true, false);
  checkResult('META-X', false, false, false, true);

  checkResult('Shift-Ctrl-X', true, true, false, false);
  checkResult('ShIfT-cTrL-x', true, true, false, false);
  checkResult('Shift-Alt-X', true, false, true, false);
  checkResult('Shift-Meta-X', true, false, false, true);
  checkResult('Shift-Ctrl-Alt-Meta-X', true, true, true, true);

  checkResult('Shift+Ctrl+X', true, true, false, false);
  checkResult('ShIfT+cTrL+x', true, true, false, false);
  checkResult('Shift+Alt+X', true, false, true, false);
  checkResult('Shift+Meta+X', true, false, false, true);
  checkResult('Shift+Ctrl+Alt+Meta+X', true, true, true, true);

  checkResult('Shift-*-X', true, '*', '*', '*');
  checkResult('Shift-Ctrl-*-X', true, true, '*', '*');
  checkResult('Shift-Ctrl-Alt-*-X', true, true, true, '*');
  checkResult('Shift-Ctrl-Alt-Meta-*-X', true, true, true, true);

  negKeySeq('shft-X', /Unknown key: shft$/);
  negKeySeq('SHFT-X', /Unknown key: SHFT$/);
  negKeySeq('Foo-X', /Unknown key: Foo$/);
  negKeySeq('Ctrl-Foo-X', /Unknown key: Foo$/);
  negKeySeq('Ctrl-Ctrl-X', /Duplicate modifier: Ctrl$/);
  negKeySeq('Control-Ctrl-X', /Duplicate modifier: Ctrl$/);
  negKeySeq('Ctrl', /Missing target key$/);
  negKeySeq('Ctrl-Alt"', /Missing target key$/);
  negKeySeq('Ctrl-', /Missing target key$/);
  negKeySeq('Ctrl-X-Alt', /Extra definition after target key$/);
  negKeySeq('toString-X', /Unknown key: toString$/);
});

it('keycodes', () => {
  const p = new hterm.Parser();

  const checkResult = function(input, target, shift, ctrl, alt, meta) {
    p.reset(input);
    const rv = p.parseKeySequence();
    assert.equal(rv.keyCode, target);
    assert.equal(rv.shift, shift);
    assert.equal(rv.ctrl, ctrl);
    assert.equal(rv.alt, alt);
    assert.equal(rv.meta, meta);
  };

  checkResult('88', 88, false, false, false, false);
  checkResult('Shift-88', 88, true, false, false, false);
  checkResult('Shift-Ctrl-Alt-Meta-88', 88, true, true, true, true);

  checkResult('0', 0, false, false, false, false);
  checkResult('Shift-0', 0, true, false, false, false);
  checkResult('Shift-Ctrl-Alt-Meta-0', 0, true, true, true, true);

  checkResult('0x123456789abcdef', 0x123456789abcdef,
              false, false, false, false);


  checkResult('0xf', 15, false, false, false, false);
  checkResult('Ctrl-0xf', 15, false, true, false, false);
  checkResult('Ctrl-0x0f', 15, false, true, false, false);
  checkResult('Ctrl-Alt-0xf', 15, false, true, true, false);
  checkResult('0xff', 255, false, false, false, false);
  checkResult('Ctrl-0xff', 255, false, true, false, false);
  checkResult('Ctrl-Alt-0xff', 255, false, true, true, false);
});

it('actions', () => {
  const p = new hterm.Parser();

  const checkResult = function(input, output) {
    p.reset(input);
    const rv = p.parseKeyAction();

    assert.strictEqual(rv, output);
  };

  checkResult('CANCEL', hterm.Keyboard.KeyActions.CANCEL);
  checkResult('PASS', hterm.Keyboard.KeyActions.PASS);
  checkResult('DEFAULT', hterm.Keyboard.KeyActions.DEFAULT);

  checkResult('"123"', '123');
});