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# frozen_string_literal: true
require 'spec_helper'
describe DiffsMetadataEntity do
let(:user) { create(:user) }
let(:project) { create(:project, :repository) }
let(:request) { EntityRequest.new(project: project, current_user: user) }
let(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
let(:merge_request_diffs) { merge_request.merge_request_diffs }
let(:merge_request_diff) { merge_request_diffs.last }
let(:entity) do
described_class.new(merge_request_diff.diffs,
request: request,
merge_request: merge_request,
merge_request_diffs: merge_request_diffs)
end
context 'as json' do
subject { entity.as_json }
it 'contain only required attributes' do
expect(subject.keys).to contain_exactly(
# Inherited attributes
:real_size, :size, :branch_name,
:target_branch_name, :commit, :merge_request_diff,
:start_version, :latest_diff, :latest_version_path,
:added_lines, :removed_lines, :render_overflow_warning,
:email_patch_path, :plain_diff_path,
:merge_request_diffs, :context_commits,
:definition_path_prefix, :source_branch_exists,
# Attributes
:diff_files
)
end
describe 'diff_files' do
it 'returns diff files metadata' do
raw_diff_files = merge_request_diff.diffs.raw_diff_files
expect_next_instance_of(Gitlab::Diff::FileCollection::MergeRequestDiff) do |instance|
# Use lightweight version instead. Several methods delegate to it, so putting a 5
# calls limit.
expect(instance).to receive(:raw_diff_files).at_most(5).times.and_call_original
expect(instance).not_to receive(:diff_files)
end
payload = DiffFileMetadataEntity.represent(raw_diff_files).as_json
expect(subject[:diff_files]).to eq(payload)
end
end
end
end
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