forked from waja/action-debian-package
80 lines
2.4 KiB
JavaScript
80 lines
2.4 KiB
JavaScript
'use strict';
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const promisify = require('js-promisify');
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const chai = require('chai');
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const chaiAsPromised = require('chai-as-promised');
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const fs = require('fs');
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const path = require('path');
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const rimraf = require('rimraf');
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const firstline = require('../index.js');
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const mocks = require('./mocks.js');
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chai.should();
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chai.use(chaiAsPromised);
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describe('firstline', () => {
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const dirPath = path.join(__dirname, 'tmp/');
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const filePath = dirPath + 'test.txt';
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const wrongFilePath = dirPath + 'no-test.txt';
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before(() => fs.mkdirSync(dirPath)); // Make "tmp" folder
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after(() => rimraf.sync(dirPath)); // Delete "tmp" folder
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describe('#check', () => {
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afterEach(() => rimraf.sync(filePath)); // Delete mock CSV file
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it(
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'should reject if the file does not exist',
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() => firstline(wrongFilePath).should.be.rejected
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);
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it(
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'should return the first line of a file and default to `\\n` line ending',
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() => promisify(fs.writeFile, [filePath, 'abc\ndef\nghi'])
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.then(() => firstline(filePath).should.eventually.equal('abc'))
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);
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it(
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'should work correctly if the first line is long',
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() => promisify(fs.writeFile, [filePath, mocks.longLine])
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.then(() => firstline(filePath).should.eventually.equal(mocks.longLine.split('\n')[0]))
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);
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it(
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'should return an empty line if the file is empty',
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() => promisify(fs.writeFile, [filePath, ''])
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.then(() => firstline(filePath).should.eventually.equal(''))
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);
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it(
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'should work with a different encoding when specified correctly',
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() => promisify(fs.writeFile, [filePath, 'abc\ndef\nghi', { encoding: 'ascii' }])
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.then(() => firstline(filePath, { encoding: 'ascii' }).should.eventually.equal('abc'))
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);
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it(
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'should work with a different line ending when specified correctly',
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() => promisify(fs.writeFile, [filePath, 'abc\rdef\rghi'])
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.then(() => firstline(filePath, { lineEnding: '\r' }).should.eventually.equal('abc'))
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);
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it(
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'should return the entire file if the specified line ending is wrong',
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() => promisify(fs.writeFile, [filePath, 'abc\ndef\nghi'])
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.then(() => firstline(filePath, { lineEnding: '\r' }).should.eventually.equal('abc\ndef\nghi'))
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);
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it(
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'should handle BOM',
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() => promisify(fs.writeFile, [filePath, '\uFEFFabc\ndef'])
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.then(() => firstline(filePath).should.eventually.equal('abc'))
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);
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});
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});
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