130 lines
3.6 KiB
Ruby
130 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe MergeRequestDiffEntity do
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let_it_be(:project) { create(:project, :repository) }
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let(:request) { EntityRequest.new(project: project) }
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let(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
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let(:merge_request_diffs) { merge_request.merge_request_diffs }
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let(:merge_request_diff) { merge_request_diffs.first }
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let(:entity) { initialize_entity(merge_request, merge_request_diff) }
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def initialize_entity(merge_request, merge_request_diff)
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described_class.new(
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merge_request_diff,
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request: request,
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merge_request: merge_request,
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merge_request_diff: merge_request_diff,
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merge_request_diffs: merge_request_diffs
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)
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end
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subject { entity.as_json }
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context 'as json' do
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it 'exposes needed attributes' do
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expect(subject).to include(
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:version_index, :created_at, :commits_count,
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:latest, :short_commit_sha, :version_path,
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:compare_path
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)
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end
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end
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describe '#version_index' do
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shared_examples 'version_index is nil' do
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it 'returns nil' do
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expect(subject[:version_index]).to be_nil
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end
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end
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context 'when diff is not present' do
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let(:entity) do
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described_class.new(
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merge_request_diff,
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request: request,
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merge_request: merge_request,
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merge_request_diffs: merge_request_diffs
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)
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end
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it_behaves_like 'version_index is nil'
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end
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context 'when diff is not included in @merge_request_diffs' do
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let(:merge_request_diff) { create(:merge_request_diff) }
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let(:merge_request_diff_2) { create(:merge_request_diff) }
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before do
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merge_request_diffs << merge_request_diff_2
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end
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it_behaves_like 'version_index is nil'
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end
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context 'when @merge_request_diffs.size <= 1' do
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before do
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expect(merge_request_diffs.size).to eq(1)
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end
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it_behaves_like 'version_index is nil'
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end
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context 'when @merge_request_diffs.size > 1' do
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let(:merge_request) { create(:merge_request_with_multiple_diffs) }
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it 'returns difference between size and diff index' do
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expect(merge_request_diffs.size).to eq(2)
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# diff index: 0
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subject = initialize_entity(merge_request, merge_request_diffs.first)
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expect(subject.as_json[:version_index]).to eq(2)
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# diff index: 1
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subject = initialize_entity(merge_request, merge_request_diffs.last)
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expect(subject.as_json[:version_index]).to eq(1)
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end
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end
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end
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describe '#short_commit_sha' do
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it 'returns short sha' do
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expect(subject[:short_commit_sha]).to eq('b83d6e39')
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end
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it 'returns nil if head_commit_sha does not exist' do
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allow(merge_request_diff).to receive(:head_commit_sha).and_return(nil)
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expect(subject[:short_commit_sha]).to eq(nil)
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end
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end
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describe '#head_version_path' do
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before do
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allow(merge_request).to receive(:diffable_merge_ref?)
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.and_return(diffable_merge_ref)
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end
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context 'merge request can be merged' do
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let(:diffable_merge_ref) { true }
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it 'returns diff path with diff_head param set' do
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expect(subject[:head_version_path]).to eq(
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"/#{project.full_path}/-/merge_requests/#{merge_request.iid}/diffs?diff_head=true"
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)
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end
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end
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context 'merge request cannot be merged' do
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let(:diffable_merge_ref) { false }
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it 'returns diff path with diff_head param set' do
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expect(subject[:head_version_path]).to be_nil
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end
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end
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end
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end
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