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path: root/spec/migrations/add_head_pipeline_for_each_merge_request_spec.rb
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require 'spec_helper'
require Rails.root.join('db', 'post_migrate', '20170508170547_add_head_pipeline_for_each_merge_request.rb')

describe AddHeadPipelineForEachMergeRequest, :truncate do
  include ProjectForksHelper

  let(:migration) { described_class.new }

  let!(:project) { create(:project) }
  let!(:other_project) { fork_project(project) }

  let!(:pipeline_1) { create(:ci_pipeline, project: project, ref: "branch_1") }
  let!(:pipeline_2) { create(:ci_pipeline, project: other_project, ref: "branch_1") }
  let!(:pipeline_3) { create(:ci_pipeline, project: other_project, ref: "branch_1") }
  let!(:pipeline_4) { create(:ci_pipeline, project: project, ref: "branch_2") }

  let!(:mr_1) { create(:merge_request, source_project: project, target_project: project, source_branch: "branch_1", target_branch: "target_1") }
  let!(:mr_2) { create(:merge_request, source_project: other_project, target_project: project, source_branch: "branch_1", target_branch: "target_2") }
  let!(:mr_3) { create(:merge_request, source_project: project, target_project: project, source_branch: "branch_2", target_branch: "master") }
  let!(:mr_4) { create(:merge_request, source_project: project, target_project: project, source_branch: "branch_3", target_branch: "master") }

  context "#up" do
    context "when source_project and source_branch of pipeline are the same of merge request" do
      it "sets head_pipeline_id of given merge requests" do
        migration.up

        expect(mr_1.reload.head_pipeline_id).to eq(pipeline_1.id)
        expect(mr_2.reload.head_pipeline_id).to eq(pipeline_3.id)
        expect(mr_3.reload.head_pipeline_id).to eq(pipeline_4.id)
        expect(mr_4.reload.head_pipeline_id).to be_nil
      end
    end
  end
end