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Contents
require 'spec_helper' module L8 describe Row do describe '#set_led' do describe 'when there are three L8s in the stack' do let(:light1) { double(:l8one) } let(:light2) { double(:l8two) } let(:light3) { double(:l8three) } before(:each) do allow(L8::Smartlight).to receive(:new).with('/dev/foo') { light1 } allow(L8::Smartlight).to receive(:new).with('/dev/bar') { light2 } allow(L8::Smartlight).to receive(:new).with('/dev/baz') { light3 } end describe 'when the pixel is within the range of the first L8' do it 'turns on an led on the first L8' do expect(light1).to receive(:set_led).with(7,7,15,15,15) l8stack = L8::Row.new('/dev/foo', '/dev/bar') l8stack.set_led(7,7,15,15,15) end end describe 'when the pixel is outside the range of the first L8' do it 'turns on an LED on the second L8' do expect(light2).to receive(:set_led).with(0,0,15,15,15) l8stack = L8::Row.new('/dev/foo', '/dev/bar') l8stack.set_led(0,8,15,15,15) end end describe 'when the pixel is outside the range of the first and second L8' do it 'turns on an LED on the third L8' do expect(light3).to receive(:set_led).with(0,0,15,15,15) l8stack = L8::Row.new('/dev/foo', '/dev/bar', '/dev/baz') l8stack.set_led(0,16,15,15,15) end end end end end end
Version data entries
1 entries across 1 versions & 1 rubygems
Version | Path |
---|---|
l8-0.0.3 | spec/lib/row_spec.rb |