70 lines
1.4 KiB
Ruby
70 lines
1.4 KiB
Ruby
require 'rails_helper'
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describe Grid do
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let(:grid) { described_class.new(data) }
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let(:data) { [
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%w[a b c ć],
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%w[de ff],
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%w[ghiî],
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%w[j k l m]
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] }
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describe '#width' do
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let(:data) { [ %w[a bc def] ] }
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subject { grid.width }
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it { should eq(6) }
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end
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describe '#height' do
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subject { grid.height }
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it { should eq(4) }
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end
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describe '#crop' do
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let(:expected) { described_class.new([%w[e f], %w[hi], %w[k l]]).lines }
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it 'crops the lines properly' do
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expect(grid.crop(1, 1, 2, 3).lines).to eq(expected)
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end
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end
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describe '#diff' do
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let(:line_a) { [:a, :b, :c] }
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let(:line_b) { [:d, :e, :f] }
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let(:line_c) { [:g, :h, :i] }
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let(:grid) { described_class.new([line_a, line_b, line_c]) }
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let(:line_d) { [:A, :b, :c] }
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let(:line_e) { [:g, :H, :i] }
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let(:other) { described_class.new([line_d, line_b, line_e]) }
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subject { grid.diff(other) }
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it 'returns only the lines that have changed from the other grid' do
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should eq({ 0 => line_a, 2 => line_c })
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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 'returns all the lines' do
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should eq({ 0 => line_a, 1 => line_b, 2 => line_c })
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end
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end
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end
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describe '#as_json' do
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subject { grid.as_json }
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it { should eq([%w[a b c ć], %w[de ff], %w[ghiî], %w[j k l m]]) }
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end
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end
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