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Show partition replica usage and limit in kafka:info (#168)
* Show partition replica usage and limit in kafka:info * Add pixelbar dep * Add utilization bars to kafka:info * Use the proper multiplication sign * Make a simpler utilization bar This drops pixelBar in favor of a builtin utilizationBar that does not use awesome unicode to fill partial blocks, because this leads to font issues. * floor() not round() for utilizationBar
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| 'use strict' | ||
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| const chalk = require('chalk') | ||
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| module.exports = function (current, total, width = 10) { | ||
| let percentage = current / total | ||
| if (percentage > 1) percentage = 1 | ||
| if (percentage < 0) percentage = 0 | ||
| const filled = Math.floor(percentage * width) | ||
| const empty = width - filled | ||
| let output = chalk.blue('█'.repeat(filled)) | ||
| output += '·'.repeat(empty) | ||
| return `[${output}]` | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| 'use strict' | ||
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| const expect = require('chai').expect | ||
| const mocha = require('mocha') | ||
| const describe = mocha.describe | ||
| const it = mocha.it | ||
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| const utilizationBar = require('../../lib/utilizationBar') | ||
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| describe('utilizationBar', function () { | ||
| const cases = [ | ||
| [0, 100, '[··········]', '[···············]'], | ||
| [100, 100, '[\u001b[34m██████████\u001b[39m]', '[\u001b[34m███████████████\u001b[39m]'], | ||
| [99, 100, '[\u001b[34m█████████\u001b[39m·]', '[\u001b[34m██████████████\u001b[39m·]'], | ||
| [50, 100, '[\u001b[34m█████\u001b[39m·····]', '[\u001b[34m███████\u001b[39m········]'], | ||
| [110, 100, '[\u001b[34m██████████\u001b[39m]', '[\u001b[34m███████████████\u001b[39m]'], | ||
| [-50, 100, '[··········]', '[···············]'] | ||
| ] | ||
| cases.forEach(function (testcase) { | ||
| const current = testcase[0] | ||
| const total = testcase[1] | ||
| const expected10 = testcase[2] | ||
| const expected15 = testcase[3] | ||
| it(`Renders a ${current}/${total} bar correctly`, function () { | ||
| expect(utilizationBar(current, total)).to.equal(expected10) | ||
| expect(utilizationBar(current, total, 15)).to.equal(expected15) | ||
| }) | ||
| }) | ||
| }) |
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