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