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Contents
require 'spec_helper'
require 'rainbow/string_utils'
module Rainbow
describe StringUtils do
describe '.wrap_with_sgr' do
subject { described_class.wrap_with_sgr(string, codes) }
let(:string) { 'hello' }
let(:codes) { [1] }
it "doesn't mutate original string" do
string.freeze
expect(subject).to eq("\e[1mhello\e[0m")
expect(string).to eq('hello')
end
context "when subclass of String class given" do
class Stringgg < ::String; end
let(:string) { Stringgg.new('hello') }
it { should eq("\e[1mhello\e[0m") }
end
context "when no codes given" do
let(:codes) { [] }
it "doesn't wrap the given string with any sgr sequence" do
expect(subject).to eq("hello")
end
end
context "when single code given" do
let(:codes) { [1] }
it "wraps the given string with sgr sequence for given codes" do
expect(subject).to eq("\e[1mhello\e[0m")
end
end
context "when multiple codes given" do
let(:codes) { [1, 2] }
it "wraps the given string with sgr sequence for given codes" do
expect(subject).to eq("\e[1;2mhello\e[0m")
end
end
context "when wrapping an already wrapped string" do
let(:string) { "\e[1;2mhello\e[0m" }
let(:codes) { [3, 4] }
it "wraps the given string with sgr sequence for given codes" do
expect(subject).to eq("\e[1;2m\e[3;4mhello\e[0m")
end
end
end
end
end
Version data entries
19 entries across 19 versions & 5 rubygems