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# frozen_string_literal: true
shared_examples 'diff statistics' do |test_include_stats_flag: true|
def stub_stats_find_by_path(path, stats_mock)
expect_next_instance_of(Gitlab::Git::DiffStatsCollection) do |collection|
allow(collection).to receive(:find_by_path).and_call_original
expect(collection).to receive(:find_by_path).with(path).and_return(stats_mock)
end
end
context 'when should request diff stats' do
it 'Repository#diff_stats is called' do
subject = described_class.new(diffable, collection_default_args)
expect(diffable.project.repository)
.to receive(:diff_stats)
.with(diffable.diff_refs.base_sha, diffable.diff_refs.head_sha)
.and_call_original
subject.diff_files
end
it 'Gitlab::Diff::File is initialized with diff stats' do
subject = described_class.new(diffable, collection_default_args)
stats_mock = double(Gitaly::DiffStats, path: '.gitignore', additions: 758, deletions: 120)
stub_stats_find_by_path(stub_path, stats_mock)
diff_file = subject.diff_files.find { |file| file.new_path == stub_path }
expect(diff_file.added_lines).to eq(stats_mock.additions)
expect(diff_file.removed_lines).to eq(stats_mock.deletions)
end
end
context 'when should not request diff stats' do
it 'Repository#diff_stats is not called' do
collection_default_args[:diff_options][:include_stats] = false
subject = described_class.new(diffable, collection_default_args)
expect(diffable.project.repository).not_to receive(:diff_stats)
subject.diff_files
end
end
end
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