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
|
// Copyright 2022 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
/* eslint-env browser */
import { Frame, Encoder, Decoder } from 'pigweedjs/pw_hdlc';
import { Detokenizer } from './detokenizer';
const CSV = `
64636261, ,"regular token"
86fc33f3, ,"base64 token"
0d6bd33c, ,"Regular Token: %s and Nested Token: %s"
97185e6f, ,"(token: %s, string: %s, int: %d, float: %f)"
451d86ed, ,"Cat"
`;
function generateFrame(text: string): Frame {
const uintArray = new TextEncoder().encode(text);
const encodedFrame = new Encoder().uiFrame(1, uintArray);
const decodedFrames = Array.from(new Decoder().process(encodedFrame));
return decodedFrames[0];
}
describe('Detokenizer', () => {
let detokenizer: Detokenizer;
beforeEach(() => {
detokenizer = new Detokenizer(CSV);
});
it('parses a base64 correct frame properly', () => {
const frame = generateFrame('$8zP8hg==');
expect(detokenizer.detokenizeBase64(frame)).toEqual('base64 token');
});
it('parses a correct frame properly', () => {
const frame = generateFrame('abcde');
expect(detokenizer.detokenize(frame)).toEqual('regular token');
});
it('failure to detokenize returns original string', () => {
expect(detokenizer.detokenize(generateFrame('aabbcc'))).toEqual('aabbcc');
expect(detokenizer.detokenizeBase64(generateFrame('$8zP7hg=='))).toEqual(
'$8zP7hg==',
);
});
it('recursive detokenize all nested base64 tokens', () => {
expect(
detokenizer.detokenizeBase64(
generateFrame(
'$PNNrDQkkN1lZZFJRPT0lJGIxNFlsd2trTjFsWlpGSlJQVDBGUTJGdFpXeFlwSENkUHc9PQ==',
),
),
).toEqual(
'Regular Token: Cat and Nested Token: (token: Cat, string: Camel, int: 44, float: 1.2300000190734863)',
);
});
it('recursion detokenize with limits on max recursion', () => {
expect(
detokenizer.detokenizeBase64(
generateFrame(
'$PNNrDQkkN1lZZFJRPT0lJGIxNFlsd2trTjFsWlpGSlJQVDBGUTJGdFpXeFlwSENkUHc9PQ==',
),
1,
),
).toEqual(
'Regular Token: Cat and Nested Token: (token: $7YYdRQ==, string: Camel, int: 44, float: 1.2300000190734863)',
);
});
});
|
