2021-03-02 21:11:07 +00:00
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# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::WordDiff::ChunkCollection do
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subject(:collection) { described_class.new }
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describe '#add' do
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it 'adds elements to the chunk collection' do
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collection.add('Hello')
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collection.add(' World')
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expect(collection.content).to eq('Hello World')
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end
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end
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describe '#content' do
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subject { collection.content }
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context 'when no elements in the collection' do
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it { is_expected.to eq('') }
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end
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context 'when elements exist' do
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before do
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collection.add('Hi')
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collection.add(' GitLab!')
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end
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it { is_expected.to eq('Hi GitLab!') }
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end
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end
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describe '#reset' do
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it 'clears the collection' do
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collection.add('1')
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collection.add('2')
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collection.reset
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expect(collection.content).to eq('')
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end
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end
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2021-03-23 03:09:04 +00:00
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describe '#marker_ranges' do
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let(:chunks) do
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[
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Gitlab::WordDiff::Segments::Chunk.new(' Hello '),
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Gitlab::WordDiff::Segments::Chunk.new('-World'),
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Gitlab::WordDiff::Segments::Chunk.new('+GitLab'),
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Gitlab::WordDiff::Segments::Chunk.new('+!!!')
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]
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end
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it 'returns marker ranges for every chunk with changes' do
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chunks.each { |chunk| collection.add(chunk) }
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expect(collection.marker_ranges).to eq(
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[
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Gitlab::MarkerRange.new(6, 10, mode: :deletion),
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Gitlab::MarkerRange.new(11, 16, mode: :addition),
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Gitlab::MarkerRange.new(17, 19, mode: :addition)
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]
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)
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end
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end
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2021-03-02 21:11:07 +00:00
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end
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