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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,125 @@ | ||
| 'use strict' | ||
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| const { once } = require('events') | ||
| const { stat, readFile } = require('fs/promises') | ||
| const { join } = require('path') | ||
| const { test, beforeEach } = require('tap') | ||
| const { format, startOfHour } = require('date-fns') | ||
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| const { buildStream, cleanAndCreateFolder, sleep } = require('./utils') | ||
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| const logFolder = join('logs', 'date-format-option', 'roll') | ||
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| beforeEach(() => cleanAndCreateFolder(logFolder)) | ||
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| test('rotate file with date format based on frequency', async ({ ok, rejects }) => { | ||
| const file = join(logFolder, 'log') | ||
| const stream = await buildStream({ frequency: 'hourly', file, dateFormat: 'yyyy-MM-dd-hh' }) | ||
| stream.write('logged message #1\n') | ||
| stream.write('logged message #2\n') | ||
| stream.end() | ||
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| const fileName = `${file}.${format(new Date(), 'yyyy-MM-dd-hh')}` | ||
| const content = await readFile(`${fileName}.1`, 'utf8') | ||
| ok(content.includes('#1'), 'first file contains first log') | ||
| ok(content.includes('#2'), 'first file contains second log') | ||
| rejects(stat(`${fileName}.2`), 'no other files created') | ||
| }) | ||
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| test('rotate file based on custom time and date format', async ({ ok, notOk, rejects }) => { | ||
| const file = join(logFolder, 'log') | ||
| const stream = await buildStream({ frequency: 100, file, dateFormat: 'yyyy-MM-dd-hh' }) | ||
| stream.write('logged message #1\n') | ||
| stream.write('logged message #2\n') | ||
| await sleep(110) | ||
| stream.write('logged message #3\n') | ||
| stream.write('logged message #4\n') | ||
| await sleep(110) | ||
| stream.end() | ||
| await stat(`${file}.1`) | ||
| let content = await readFile(`${file}.1`, 'utf8') | ||
| ok(content.includes('#1'), 'first file contains first log') | ||
| ok(content.includes('#2'), 'first file contains second log') | ||
| notOk(content.includes('#3'), 'first file does not contains third log') | ||
| await stat(`${file}.2`) | ||
| content = await readFile(`${file}.2`, 'utf8') | ||
| ok(content.includes('#3'), 'first file contains third log') | ||
| ok(content.includes('#4'), 'first file contains fourth log') | ||
| notOk(content.includes('#2'), 'first file does not contains second log') | ||
| await stat(`${file}.3`) | ||
| rejects(stat(`${file}.4`), 'no other files created') | ||
| }) | ||
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| test('rotate file based on size and date format', async ({ ok, rejects }) => { | ||
| const file = join(logFolder, 'log') | ||
| const fileWithDate = `${file}.${format(startOfHour(new Date()).getTime(), 'yyyy-MM-dd-hh')}` | ||
| const size = 20 | ||
| const stream = await buildStream({ frequency: 'hourly', size: `${size}b`, file, dateFormat: 'yyyy-MM-dd-hh' }) | ||
| stream.write('logged message #1\n') | ||
| stream.write('logged message #2\n') | ||
| await once(stream, 'ready') | ||
| stream.write('logged message #3\n') | ||
| stream.end() | ||
| let stats = await stat(`${fileWithDate}.1`) | ||
| ok( | ||
| size <= stats.size && stats.size <= size * 2, | ||
| `first file size: ${size} <= ${stats.size} <= ${size * 2}` | ||
| ) | ||
| stats = await stat(`${fileWithDate}.2`) | ||
| ok(stats.size <= size, `second file size: ${stats.size} <= ${size}`) | ||
| rejects(stat(`${fileWithDate}.3`), 'no other files created') | ||
| }) | ||
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| test('rotate file based on size and date format with custom frequency', async ({ ok, rejects }) => { | ||
| const file = join(logFolder, 'log') | ||
| const size = 20 | ||
| const stream = await buildStream({ frequency: 1000, size: `${size}b`, file, dateFormat: 'yyyy-MM-dd-hh' }) | ||
| stream.write('logged message #1\n') | ||
| stream.write('logged message #2\n') | ||
| await once(stream, 'ready') | ||
| stream.write('logged message #3\n') | ||
| await sleep(1010) | ||
| stream.write('logged message #4\n') | ||
| stream.end() | ||
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| let stats = await stat(`${file}.1`) | ||
| ok( | ||
| size <= stats.size && stats.size <= size * 2, | ||
| `first file size: ${size} <= ${stats.size} <= ${size * 2}` | ||
| ) | ||
| stats = await stat(`${file}.2`) | ||
| ok(stats.size <= size, `second file size: ${stats.size} <= ${size}`) | ||
| stats = await stat(`${file}.3`) | ||
| const content = await readFile(`${file}.3`, 'utf8') | ||
| ok(content.includes('#4'), 'Rotated file should have the log') | ||
| rejects(stat(`${file}.4`), 'no other files created') | ||
| }) | ||
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| test('rotate file based on size and date format without frequency', async ({ ok, rejects }) => { | ||
| const file = join(logFolder, 'log') | ||
| const size = 20 | ||
| const stream = await buildStream({ size: `${size}b`, file, dateFormat: 'yyyy-MM-dd-hh' }) | ||
| stream.write('logged message #1\n') | ||
| stream.write('logged message #2\n') | ||
| await once(stream, 'ready') | ||
| stream.write('logged message #3\n') | ||
| stream.end() | ||
| let stats = await stat(`${file}.1`) | ||
| ok( | ||
| size <= stats.size && stats.size <= size * 2, | ||
| `first file size: ${size} <= ${stats.size} <= ${size * 2}` | ||
| ) | ||
| stats = await stat(`${file}.2`) | ||
| ok(stats.size <= size, `second file size: ${stats.size} <= ${size}`) | ||
| rejects(stat(`${file}.3`), 'no other files created') | ||
| }) | ||
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| test('throw on invalid date format', async ({ rejects }) => { | ||
| rejects( | ||
| buildStream({ file: join(logFolder, 'log'), dateFormat: 'yyyy%MM%dd' }), | ||
| { | ||
| message: 'yyyy%MM%dd contains invalid characters' | ||
| }, | ||
| 'throws on invalid date format' | ||
| ) | ||
| }) |
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