mirror of https://gitlab.com/octtspacc/staticoso
350 lines
8.8 KiB
JavaScript
350 lines
8.8 KiB
JavaScript
/* global describe, it */
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require('chai').should()
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var cliui = require('../')
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describe('cliui', function () {
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describe('div', function () {
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it("wraps text at 'width' if a single column is given", function () {
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var ui = cliui({
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width: 10
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})
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ui.div('i am a string that should be wrapped')
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ui.toString().split('\n').forEach(function (row) {
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row.length.should.be.lte(10)
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})
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})
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it('evenly divides text across columns if multiple columns are given', function () {
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var ui = cliui({
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width: 40
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})
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ui.div(
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{text: 'i am a string that should be wrapped', width: 15},
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'i am a second string that should be wrapped',
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'i am a third string that should be wrapped'
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)
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// total width of all columns is <=
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// the width cliui is initialized with.
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ui.toString().split('\n').forEach(function (row) {
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row.length.should.be.lte(40)
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})
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// it should wrap each column appropriately.
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var expected = [
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'i am a string i am a i am a third',
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'that should be second string that',
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'wrapped string that should be',
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' should be wrapped',
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' wrapped'
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]
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ui.toString().split('\n').should.eql(expected)
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})
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it('allows for a blank row to be appended', function () {
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var ui = cliui({
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width: 40
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})
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ui.div()
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// it should wrap each column appropriately.
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var expected = ['']
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ui.toString().split('\n').should.eql(expected)
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})
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})
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describe('_columnWidths', function () {
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it('uses same width for each column by default', function () {
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var ui = cliui({
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width: 40
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}),
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widths = ui._columnWidths([{}, {}, {}])
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widths[0].should.equal(13)
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widths[1].should.equal(13)
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widths[2].should.equal(13)
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})
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it('divides width over remaining columns if first column has width specified', function () {
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var ui = cliui({
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width: 40
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}),
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widths = ui._columnWidths([{width: 20}, {}, {}])
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widths[0].should.equal(20)
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widths[1].should.equal(10)
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widths[2].should.equal(10)
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})
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it('divides width over remaining columns if middle column has width specified', function () {
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var ui = cliui({
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width: 40
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}),
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widths = ui._columnWidths([{}, {width: 10}, {}])
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widths[0].should.equal(15)
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widths[1].should.equal(10)
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widths[2].should.equal(15)
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})
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it('keeps track of remaining width if multiple columns have width specified', function () {
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var ui = cliui({
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width: 40
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}),
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widths = ui._columnWidths([{width: 20}, {width: 12}, {}])
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widths[0].should.equal(20)
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widths[1].should.equal(12)
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widths[2].should.equal(8)
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})
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it('uses a sane default if impossible widths are specified', function () {
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var ui = cliui({
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width: 40
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}),
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widths = ui._columnWidths([{width: 30}, {width: 30}, {padding: [0, 2, 0, 1]}])
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widths[0].should.equal(30)
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widths[1].should.equal(30)
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widths[2].should.equal(4)
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})
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})
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describe('alignment', function () {
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it('allows a column to be right aligned', function () {
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var ui = cliui({
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width: 40
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})
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ui.div(
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'i am a string',
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{text: 'i am a second string', align: 'right'},
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'i am a third string that should be wrapped'
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)
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// it should right-align the second column.
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var expected = [
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'i am a stringi am a secondi am a third',
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' stringstring that',
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' should be',
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' wrapped'
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]
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ui.toString().split('\n').should.eql(expected)
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})
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it('allows a column to be center aligned', function () {
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var ui = cliui({
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width: 60
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})
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ui.div(
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'i am a string',
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{text: 'i am a second string', align: 'center', padding: [0, 2, 0, 2]},
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'i am a third string that should be wrapped'
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)
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// it should right-align the second column.
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var expected = [
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'i am a string i am a second i am a third string',
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' string that should be',
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' wrapped'
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]
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ui.toString().split('\n').should.eql(expected)
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})
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})
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describe('padding', function () {
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it('handles left/right padding', function () {
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var ui = cliui({
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width: 40
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})
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ui.div(
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{text: 'i have padding on my left', padding: [0, 0, 0, 4]},
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{text: 'i have padding on my right', padding: [0, 2, 0, 0], align: 'center'},
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{text: 'i have no padding', padding: [0, 0, 0, 0]}
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)
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// it should add left/right padding to columns.
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var expected = [
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' i have i have i have no',
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' padding padding on padding',
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' on my my right',
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' left'
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]
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ui.toString().split('\n').should.eql(expected)
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})
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it('handles top/bottom padding', function () {
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var ui = cliui({
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width: 40
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})
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ui.div(
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'i am a string',
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{text: 'i am a second string', padding: [2, 0, 0, 0]},
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{text: 'i am a third string that should be wrapped', padding: [0, 0, 1, 0]}
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)
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// it should add top/bottom padding to second
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// and third columns.
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var expected = [
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'i am a string i am a third',
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' string that',
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' i am a secondshould be',
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' string wrapped',
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''
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]
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ui.toString().split('\n').should.eql(expected)
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})
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})
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describe('wrap', function () {
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it('allows wordwrap to be disabled', function () {
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var ui = cliui({
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wrap: false
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})
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ui.div(
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{text: 'i am a string', padding: [0, 1, 0, 0]},
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{text: 'i am a second string', padding: [0, 2, 0, 0]},
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{text: 'i am a third string that should not be wrapped', padding: [0, 0, 0, 2]}
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)
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ui.toString().should.equal('i am a string i am a second string i am a third string that should not be wrapped')
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})
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})
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describe('span', function () {
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it('appends the next row to the end of the prior row if it fits', function () {
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var ui = cliui({
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width: 40
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})
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ui.span(
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{text: 'i am a string that will be wrapped', width: 30}
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)
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ui.div(
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{text: ' [required] [default: 99]', align: 'right'}
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)
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var expected = [
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'i am a string that will be',
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'wrapped [required] [default: 99]'
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]
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ui.toString().split('\n').should.eql(expected)
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})
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it('does not append the string if it does not fit on the prior row', function () {
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var ui = cliui({
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width: 40
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})
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ui.span(
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{text: 'i am a string that will be wrapped', width: 30}
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)
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ui.div(
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{text: 'i am a second row', align: 'left'}
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)
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var expected = [
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'i am a string that will be',
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'wrapped',
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'i am a second row'
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]
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ui.toString().split('\n').should.eql(expected)
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})
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it('always appends text to prior span if wrap is disabled', function () {
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var ui = cliui({
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wrap: false,
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width: 40
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})
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ui.span(
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{text: 'i am a string that will be wrapped', width: 30}
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)
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ui.div(
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{text: 'i am a second row', align: 'left', padding: [0, 0, 0, 3]}
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)
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ui.div('a third line')
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var expected = [
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'i am a string that will be wrapped i am a second row',
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'a third line'
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]
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ui.toString().split('\n').should.eql(expected)
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})
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})
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describe('layoutDSL', function () {
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it('turns tab into multiple columns', function () {
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var ui = cliui({
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width: 60
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})
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ui.div(
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' <regex> \tmy awesome regex\n <my second thing> \tanother row\t a third column'
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)
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var expected = [
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' <regex> my awesome regex',
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' <my second thing> another row a third column'
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]
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ui.toString().split('\n').should.eql(expected)
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})
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it('turns newline into multiple rows', function () {
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var ui = cliui({
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width: 40
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})
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ui.div(
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'Usage: $0\n <regex>\t my awesome regex\n <glob>\t my awesome glob\t [required]'
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)
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var expected = [
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'Usage: $0',
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' <regex> my awesome regex',
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' <glob> my awesome [required]',
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' glob'
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]
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ui.toString().split('\n').should.eql(expected)
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})
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it('does not apply DSL if wrap is false', function () {
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var ui = cliui({
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width: 40,
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wrap: false
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})
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ui.div(
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'Usage: $0\ttwo\tthree'
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)
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ui.toString().should.eql('Usage: $0\ttwo\tthree')
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})
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})
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})
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