debian-mirror-gitlab/spec/lib/gitlab/word_diff/chunk_collection_spec.rb
2021-04-29 21:17:54 +05:30

68 lines
1.5 KiB
Ruby

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