118 lines
3.8 KiB
JavaScript
118 lines
3.8 KiB
JavaScript
import test from 'ava';
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// Spoof supports-color
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require('./_supports-color')(__dirname);
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const m = require('..');
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test('return an empty string for an empty literal', t => {
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const ctx = m.constructor();
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t.is(ctx``, '');
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});
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test('return a regular string for a literal with no templates', t => {
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const ctx = m.constructor({level: 0});
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t.is(ctx`hello`, 'hello');
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});
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test('correctly perform template parsing', t => {
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const ctx = m.constructor({level: 0});
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t.is(ctx`{bold Hello, {cyan World!} This is a} test. {green Woo!}`,
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ctx.bold('Hello,', ctx.cyan('World!'), 'This is a') + ' test. ' + ctx.green('Woo!'));
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});
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test('correctly perform template substitutions', t => {
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const ctx = m.constructor({level: 0});
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const name = 'Sindre';
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const exclamation = 'Neat';
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t.is(ctx`{bold Hello, {cyan.inverse ${name}!} This is a} test. {green ${exclamation}!}`,
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ctx.bold('Hello,', ctx.cyan.inverse(name + '!'), 'This is a') + ' test. ' + ctx.green(exclamation + '!'));
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});
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test('correctly parse and evaluate color-convert functions', t => {
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const ctx = m.constructor({level: 3});
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t.is(ctx`{bold.rgb(144,10,178).inverse Hello, {~inverse there!}}`,
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'\u001B[0m\u001B[1m\u001B[38;2;144;10;178m\u001B[7mHello, ' +
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'\u001B[27m\u001B[39m\u001B[22m\u001B[0m\u001B[0m\u001B[1m' +
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'\u001B[38;2;144;10;178mthere!\u001B[39m\u001B[22m\u001B[0m');
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t.is(ctx`{bold.bgRgb(144,10,178).inverse Hello, {~inverse there!}}`,
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'\u001B[0m\u001B[1m\u001B[48;2;144;10;178m\u001B[7mHello, ' +
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'\u001B[27m\u001B[49m\u001B[22m\u001B[0m\u001B[0m\u001B[1m' +
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'\u001B[48;2;144;10;178mthere!\u001B[49m\u001B[22m\u001B[0m');
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});
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test('properly handle escapes', t => {
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const ctx = m.constructor({level: 3});
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t.is(ctx`{bold hello \{in brackets\}}`,
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'\u001B[0m\u001B[1mhello {in brackets}\u001B[22m\u001B[0m');
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});
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test('throw if there is an unclosed block', t => {
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const ctx = m.constructor({level: 3});
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try {
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console.log(ctx`{bold this shouldn't appear ever\}`);
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t.fail();
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} catch (err) {
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t.is(err.message, 'Template literal has an unclosed block');
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}
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});
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test('throw if there is an invalid style', t => {
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const ctx = m.constructor({level: 3});
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try {
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console.log(ctx`{abadstylethatdoesntexist this shouldn't appear ever}`);
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t.fail();
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} catch (err) {
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t.is(err.message, 'Invalid Chalk style: abadstylethatdoesntexist');
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}
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});
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test('properly style multiline color blocks', t => {
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const ctx = m.constructor({level: 3});
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t.is(
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ctx`{bold
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Hello! This is a
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${'multiline'} block!
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:)
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} {underline
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I hope you enjoy
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}`,
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'\u001B[0m\u001B[1m\u001B[22m\u001B[0m\n' +
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'\u001B[0m\u001B[1m\t\t\tHello! This is a\u001B[22m\u001B[0m\n' +
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'\u001B[0m\u001B[1m\t\t\tmultiline block!\u001B[22m\u001B[0m\n' +
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'\u001B[0m\u001B[1m\t\t\t:)\u001B[22m\u001B[0m\n' +
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'\u001B[0m\u001B[1m\t\t\u001B[22m\u001B[0m\u001B[0m \u001B[0m\u001B[0m\u001B[4m\u001B[24m\u001B[0m\n' +
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'\u001B[0m\u001B[4m\t\t\tI hope you enjoy\u001B[24m\u001B[0m\n' +
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'\u001B[0m\u001B[4m\t\t\u001B[24m\u001B[0m'
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);
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});
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test('escape interpolated values', t => {
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const ctx = m.constructor({level: 0});
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t.is(ctx`Hello {bold hi}`, 'Hello hi');
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t.is(ctx`Hello ${'{bold hi}'}`, 'Hello {bold hi}');
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});
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test('allow custom colors (themes) on custom contexts', t => {
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const ctx = m.constructor({level: 3});
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ctx.rose = ctx.hex('#F6D9D9');
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t.is(ctx`Hello, {rose Rose}.`, '\u001b[0mHello, \u001b[38;2;246;217;217mRose\u001b[38m.\u001b[0m');
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});
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test('correctly parse newline literals (bug #184)', t => {
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const ctx = m.constructor({level: 0});
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t.is(ctx`Hello
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{red there}`, 'Hello\nthere');
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});
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test('correctly parse newline escapes (bug #177)', t => {
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const ctx = m.constructor({level: 0});
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t.is(ctx`Hello\nthere!`, `Hello\nthere!`);
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});
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test('correctly parse escape in parameters (bug #177 comment 318622809)', t => {
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const ctx = m.constructor({level: 0});
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const str = '\\';
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t.is(ctx`{blue ${str}}`, '\\');
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});
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