mirror of
https://github.com/balena-io/balena-cli.git
synced 2024-12-18 21:27:51 +00:00
88 lines
2.5 KiB
TypeScript
88 lines
2.5 KiB
TypeScript
/**
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* @license
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* Copyright 2020 Balena Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { expect } from 'chai';
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import { promises as fs } from 'fs';
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import * as path from 'path';
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import {
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convertEolInPlace,
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detectEncoding,
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} from '../../build/utils/eol-conversion';
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describe('convertEolInPlace() function', function () {
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it('should return expected values', () => {
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// pairs of [given input, expected output]
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const testVector = [
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['', ''],
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['\r', '\r'],
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['\n', '\n'],
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['\r\r', '\r\r'],
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['\n\r', '\n\r'],
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['\r\n', '\n'],
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['\r\n\n', '\n\n'],
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['\r\n\r', '\n\r'],
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['\r\n\r\n', '\n\n'],
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['\r\n\n\r', '\n\n\r'],
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['abc\r\ndef\r\n', 'abc\ndef\n'],
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['abc\r\ndef\n\r', 'abc\ndef\n\r'],
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['abc\r\ndef\n', 'abc\ndef\n'],
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['abc\r\ndef\r', 'abc\ndef\r'],
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['abc\r\ndef', 'abc\ndef'],
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['\r\ndef\r\n', '\ndef\n'],
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['\rdef\r', '\rdef\r'],
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];
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const js = JSON.stringify;
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for (const [input, expected] of testVector) {
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const result = convertEolInPlace(Buffer.from(input));
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const resultStr = result.toString();
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const msg = `input=${js(input)} result=${js(resultStr)} expected=${js(
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expected,
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)}`;
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expect(resultStr).to.equal(expected, msg);
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}
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});
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});
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describe('detectEncoding() function', function () {
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it('should correctly detect the encoding of a few selected files', async () => {
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const sampleBinary = [
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'drivelist/build/Release/drivelist.node',
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'mountutils/build/Release/MountUtils.node',
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];
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const sampleText = [
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'node_modules/.bin/mocha',
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'node_modules/.bin/rimraf',
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'node_modules/.bin/tsc',
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'node_modules/.bin/balena-lint',
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'node_modules/.bin/catch-uncommitted',
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];
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for (const fname of sampleBinary) {
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const buf = await fs.readFile(path.join('node_modules', fname));
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const encoding = detectEncoding(buf);
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expect(encoding).to.equal('binary');
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}
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for (const fname of sampleText) {
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const buf = await fs.readFile(fname);
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const encoding = detectEncoding(buf);
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expect(encoding).to.equal('utf-8');
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}
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});
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});
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