36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
import { textColorForBackground, hexToRgb } from '~/lib/utils/color_utils';
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describe('Color utils', () => {
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describe('Converting hex code to rgb', () => {
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it('convert hex code to rgb', () => {
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expect(hexToRgb('#000000')).toEqual([0, 0, 0]);
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expect(hexToRgb('#ffffff')).toEqual([255, 255, 255]);
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});
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it('convert short hex code to rgb', () => {
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expect(hexToRgb('#000')).toEqual([0, 0, 0]);
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expect(hexToRgb('#fff')).toEqual([255, 255, 255]);
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});
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it('handle conversion regardless of the characters case', () => {
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expect(hexToRgb('#f0F')).toEqual([255, 0, 255]);
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});
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});
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describe('Getting text color for given background', () => {
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// following tests are being ported from `text_color_for_bg` section in labels_helper_spec.rb
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it('uses light text on dark backgrounds', () => {
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expect(textColorForBackground('#222E2E')).toEqual('#FFFFFF');
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});
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it('uses dark text on light backgrounds', () => {
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expect(textColorForBackground('#EEEEEE')).toEqual('#333333');
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});
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it('supports RGB triplets', () => {
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expect(textColorForBackground('#FFF')).toEqual('#333333');
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expect(textColorForBackground('#000')).toEqual('#FFFFFF');
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});
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});
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});
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