46 lines
986 B
Ruby
46 lines
986 B
Ruby
require 'rails_helper'
|
|
|
|
describe Cursor do
|
|
|
|
let(:cursor) { described_class.new(1, 2, true) }
|
|
|
|
describe '#diff' do
|
|
let(:other) { described_class.new(3, 4, false) }
|
|
|
|
subject { cursor.diff(other) }
|
|
|
|
it { should eq({ x: 1, y: 2, visible: true }) }
|
|
|
|
context "when x is the same" do
|
|
let(:other) { described_class.new(1, 4, false) }
|
|
|
|
it 'skips x from the hash' do
|
|
expect(subject).not_to have_key(:x)
|
|
end
|
|
end
|
|
|
|
context "when y is the same" do
|
|
let(:other) { described_class.new(3, 2, false) }
|
|
|
|
it 'skips y from the hash' do
|
|
expect(subject).not_to have_key(:y)
|
|
end
|
|
end
|
|
|
|
context "when visible is the same" do
|
|
let(:other) { described_class.new(3, 4, true) }
|
|
|
|
it 'skips visible from the hash' do
|
|
expect(subject).not_to have_key(:visible)
|
|
end
|
|
end
|
|
|
|
context "when other is nil" do
|
|
let(:other) { nil }
|
|
|
|
it { should eq({ x: 1, y: 2, visible: true }) }
|
|
end
|
|
end
|
|
|
|
end
|