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Diffstat (limited to 'spec/frontend/lib/utils/color_utils_spec.js')
-rw-r--r-- | spec/frontend/lib/utils/color_utils_spec.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/spec/frontend/lib/utils/color_utils_spec.js b/spec/frontend/lib/utils/color_utils_spec.js new file mode 100644 index 00000000000..433e9d5a85e --- /dev/null +++ b/spec/frontend/lib/utils/color_utils_spec.js @@ -0,0 +1,35 @@ +import { textColorForBackground, hexToRgb } from '~/lib/utils/color_utils'; + +describe('Color utils', () => { + describe('Converting hex code to rgb', () => { + it('convert hex code to rgb', () => { + expect(hexToRgb('#000000')).toEqual([0, 0, 0]); + expect(hexToRgb('#ffffff')).toEqual([255, 255, 255]); + }); + + it('convert short hex code to rgb', () => { + expect(hexToRgb('#000')).toEqual([0, 0, 0]); + expect(hexToRgb('#fff')).toEqual([255, 255, 255]); + }); + + it('handle conversion regardless of the characters case', () => { + expect(hexToRgb('#f0F')).toEqual([255, 0, 255]); + }); + }); + + describe('Getting text color for given background', () => { + // following tests are being ported from `text_color_for_bg` section in labels_helper_spec.rb + it('uses light text on dark backgrounds', () => { + expect(textColorForBackground('#222E2E')).toEqual('#FFFFFF'); + }); + + it('uses dark text on light backgrounds', () => { + expect(textColorForBackground('#EEEEEE')).toEqual('#333333'); + }); + + it('supports RGB triplets', () => { + expect(textColorForBackground('#FFF')).toEqual('#333333'); + expect(textColorForBackground('#000')).toEqual('#FFFFFF'); + }); + }); +}); |