You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
791 B
Ruby
33 lines
791 B
Ruby
require 'rails_helper'
|
|
|
|
describe FrameDiffList do
|
|
|
|
let(:frame_diff_list) { described_class.new(frames) }
|
|
let(:frames) { [[1.5, frame_1], [0.5, frame_2]] }
|
|
let(:frame_1) { double('frame_1', :diff => diff_1) }
|
|
let(:frame_2) { double('frame_2', :diff => diff_2) }
|
|
let(:diff_1) { double('diff_1') }
|
|
let(:diff_2) { double('diff_2') }
|
|
|
|
describe '#each' do
|
|
subject { frame_diff_list.to_a }
|
|
|
|
it 'maps each frame to its diff' do
|
|
expect(subject).to eq([[1.5, diff_1], [0.5, diff_2]])
|
|
end
|
|
|
|
it 'diffs the first frame with nil' do
|
|
subject
|
|
|
|
expect(frame_1).to have_received(:diff).with(nil)
|
|
end
|
|
|
|
it 'diffs the subsequent frames with the previous ones' do
|
|
subject
|
|
|
|
expect(frame_2).to have_received(:diff).with(frame_1)
|
|
end
|
|
end
|
|
|
|
end
|