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Viewing File: rainbow_spec.rb

require 'spec_helper'
require 'rainbow'

describe 'Rainbow() wrapper' do

  before do
    Rainbow.enabled = true
  end

  it 'allows foreground coloring by color number' do
    result = Rainbow('hello').foreground(5)
    expect(result).to eq("\e[35mhello\e[0m")
  end

  it 'allows foreground coloring by color name' do
    result = Rainbow('hello').foreground(:red)
    expect(result).to eq("\e[31mhello\e[0m")
  end

  it 'allows foreground coloring directly by ANSI method name' do
    result = Rainbow('hello').red
    expect(result).to eq("\e[31mhello\e[0m")
  end

  it 'allows foreground coloring directly by X11 method name' do
    result = Rainbow('hello').midnightblue
    expect(result).to eq("\e[38;5;18mhello\e[0m")
  end

  it 'allows foreground coloring by ANSI color name (color alias)' do
    result = Rainbow('hello').color(:red)
    expect(result).to eq("\e[31mhello\e[0m")
  end

  it 'allows foreground coloring by color name (colour alias)' do
    result = Rainbow('hello').colour(:red)
    expect(result).to eq("\e[31mhello\e[0m")
  end

  it 'allows foreground coloring by X11 color name' do
    result = Rainbow('hello').foreground(:midnightblue)
    expect(result).to eq("\e[38;5;18mhello\e[0m")
  end

  it 'allows foreground coloring by color rgb' do
    result = Rainbow('hello').foreground(255, 128, 64)
    expect(result).to eq("\e[38;5;215mhello\e[0m")
  end

  it 'allows foreground coloring by color rgb (hex string)' do
    result = Rainbow('hello').foreground('ff8040')
    expect(result).to eq("\e[38;5;215mhello\e[0m")
  end

  it 'allows background coloring by color number' do
    result = Rainbow('hello').background(3)
    expect(result).to eq("\e[43mhello\e[0m")
  end

  it 'allows background coloring by ANSI color name' do
    result = Rainbow('hello').background(:green)
    expect(result).to eq("\e[42mhello\e[0m")
  end

  it 'allows background coloring by X11 color name' do
    result = Rainbow('hello').background(:midnightblue)
    expect(result).to eq("\e[48;5;18mhello\e[0m")
  end

  it 'allows background coloring by color rgb' do
    result = Rainbow('hello').background(255, 128, 64)
    expect(result).to eq("\e[48;5;215mhello\e[0m")
  end

  it 'allows making text bright' do
    result = Rainbow('hello').bright
    expect(result).to eq("\e[1mhello\e[0m")
  end

  it 'allows making text faint' do
    result = Rainbow('hello').faint
    expect(result).to eq("\e[2mhello\e[0m")
  end

  it 'allows making text italic' do
    result = Rainbow('hello').italic
    expect(result).to eq("\e[3mhello\e[0m")
  end

  it 'allows making text underlined' do
    result = Rainbow('hello').underline
    expect(result).to eq("\e[4mhello\e[0m")
  end

  it 'allows making text blinking' do
    result = Rainbow('hello').blink
    expect(result).to eq("\e[5mhello\e[0m")
  end

  it 'allows making text inversed' do
    result = Rainbow('hello').inverse
    expect(result).to eq("\e[7mhello\e[0m")
  end

  it 'allows making text hidden' do
    result = Rainbow('hello').hide
    expect(result).to eq("\e[8mhello\e[0m")
  end

  it 'allows resetting all the attributes' do
    result = Rainbow('hello').reset
    expect(result).to eq("\e[0mhello\e[0m")
  end

  it 'allows chaining' do
    result = Rainbow('hello').
      foreground(:red).
      bright.
      bold.
      faint.
      dark.
      italic.
      background('#ff8040').
      underline.
      color(:blue).
      blink.
      inverse.
      hide

    expect(result).to eq(
      "\e[31m\e[1m\e[1m\e[2m\e[2m\e[3m\e[48;5;215m\e[4m\e[34m\e[5m\e[7m\e[8mhello\e[0m"
    )
  end

  context "when Rainbow is disabled" do

    before do
      Rainbow.enabled = false
    end

    it "allows chaining but doesn't wrap with escape codes" do
      result = Rainbow('hello').
        foreground(:red).
        bright.
        bold.
        faint.
        dark.
        italic.
        background('#ff8040').
        underline.
        color(:blue).
        blink.
        inverse.
        hide

      expect(result).to eq('hello')
    end
  end

end