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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::WordDiff::Parser do
subject(:parser) { described_class.new }
describe '#parse' do
subject { parser.parse(diff.lines).to_a }
let(:diff) do
<<~EOF
@@ -1,14 +1,13 @@
~
Unchanged line
~
~
-Old change
+New addition
unchanged content
~
@@ -50,14 +50,13 @@
+First change
same same same_
-removed_
+added_
end of the line
~
~
EOF
end
it 'returns a collection of lines' do
diff_lines = subject
aggregate_failures do
expect(diff_lines.count).to eq(7)
expect(diff_lines.map(&:to_hash)).to match_array(
[
a_hash_including(index: 0, old_pos: 1, new_pos: 1, text: '', type: nil),
a_hash_including(index: 1, old_pos: 2, new_pos: 2, text: 'Unchanged line', type: nil),
a_hash_including(index: 2, old_pos: 3, new_pos: 3, text: '', type: nil),
a_hash_including(index: 3, old_pos: 4, new_pos: 4, text: 'Old changeNew addition unchanged content', type: nil),
a_hash_including(index: 4, old_pos: 50, new_pos: 50, text: '@@ -50,14 +50,13 @@', type: 'match'),
a_hash_including(index: 5, old_pos: 50, new_pos: 50, text: 'First change same same same_removed_added_end of the line', type: nil),
a_hash_including(index: 6, old_pos: 51, new_pos: 51, text: '', type: nil)
]
)
end
end
it 'restarts object index after several calls to Enumerator' do
enumerator = parser.parse(diff.lines)
2.times do
expect(enumerator.first.index).to eq(0)
end
end
context 'when diff is empty' do
let(:diff) { '' }
it { is_expected.to eq([]) }
end
end
end
|
