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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe ColorsHelper do
using RSpec::Parameterized::TableSyntax
describe '#hex_color_to_rgb_array' do
context 'valid hex color' do
where(:hex_color, :rgb_array) do
'#000000' | [0, 0, 0]
'#aaaaaa' | [170, 170, 170]
'#cCcCcC' | [204, 204, 204]
'#FFFFFF' | [255, 255, 255]
'#000abc' | [0, 10, 188]
'#123456' | [18, 52, 86]
'#a1b2c3' | [161, 178, 195]
'#000' | [0, 0, 0]
'#abc' | [170, 187, 204]
'#321' | [51, 34, 17]
'#7E2' | [119, 238, 34]
'#fFf' | [255, 255, 255]
end
with_them do
it 'returns correct RGB array' do
expect(helper.hex_color_to_rgb_array(hex_color)).to eq(rgb_array)
end
end
end
context 'invalid hex color' do
where(:hex_color) { ['', '0', '#00', '#ffff', '#1234567', 'invalid', [], 1, nil] }
with_them do
it 'raise ArgumentError' do
expect { helper.hex_color_to_rgb_array(hex_color) }.to raise_error(ArgumentError)
end
end
end
end
describe '#rgb_array_to_hex_color' do
context 'valid RGB array' do
where(:rgb_array, :hex_color) do
[0, 0, 0] | '#000000'
[0, 0, 255] | '#0000ff'
[0, 255, 0] | '#00ff00'
[255, 0, 0] | '#ff0000'
[12, 34, 56] | '#0c2238'
[222, 111, 88] | '#de6f58'
[255, 255, 255] | '#ffffff'
end
with_them do
it 'returns correct hex color' do
expect(helper.rgb_array_to_hex_color(rgb_array)).to eq(hex_color)
end
end
end
context 'invalid RGB array' do
where(:rgb_array) do
[
'',
'#000000',
0,
nil,
[],
[0],
[0, 0],
[0, 0, 0, 0],
[-1, 0, 0],
[0, -1, 0],
[0, 0, -1],
[256, 0, 0],
[0, 256, 0],
[0, 0, 256]
]
end
with_them do
it 'raise ArgumentError' do
expect { helper.rgb_array_to_hex_color(rgb_array) }.to raise_error(ArgumentError)
end
end
end
end
end
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