gitlab-org--gitlab-foss/spec/models/merge_request_spec.rb

# == Schema Information
#
# Table name: merge_requests
#
#  id            :integer          not null, primary key
#  target_branch :string(255)      not null
#  source_branch :string(255)      not null
#  project_id    :integer          not null
#  author_id     :integer
#  assignee_id   :integer
#  title         :string(255)
#  created_at    :datetime
#  updated_at    :datetime
#  st_commits    :text(2147483647)
#  st_diffs      :text(2147483647)
#  milestone_id  :integer
#  state         :string(255)
#  merge_status  :string(255)
#

require 'spec_helper'

describe MergeRequest do
  describe "Validation" do
    it { should validate_presence_of(:target_branch) }
    it { should validate_presence_of(:source_branch) }
  end

  describe "Mass assignment" do
    it { should_not allow_mass_assignment_of(:author_id) }
    it { should_not allow_mass_assignment_of(:project_id) }
  end

  describe "Respond to" do
    it { should respond_to(:unchecked?) }
    it { should respond_to(:can_be_merged?) }
    it { should respond_to(:cannot_be_merged?) }
  end

  describe 'modules' do
    it { should include_module(Issuable) }
  end


  describe "#mr_and_commit_notes" do
    let!(:merge_request) { create(:merge_request) }

    before do
      merge_request.stub(:commits) { [merge_request.source_project.repository.commit] }
      create(:note, commit_id: merge_request.commits.first.id, noteable_type: 'Commit')
      create(:note, noteable: merge_request)
    end

    it "should include notes for commits" do
      merge_request.commits.should_not be_empty
      merge_request.mr_and_commit_notes.count.should == 2
    end
  end

  subject { create(:merge_request) }

  describe '#is_being_reassigned?' do
    it 'returns true if the merge_request assignee has changed' do
      subject.assignee = create(:user)
      subject.is_being_reassigned?.should be_true
    end
    it 'returns false if the merge request assignee has not changed' do
      subject.is_being_reassigned?.should be_false
    end
  end

  describe '#for_fork?' do
    it 'returns true if the merge request is for a fork' do
      subject.source_project = create(:source_project)
      subject.target_project = create(:target_project)

      subject.for_fork?.should be_true
    end
    it 'returns false if is not for a fork' do
      subject.source_project = create(:source_project)
      subject.target_project = subject.source_project
      subject.for_fork?.should be_false
    end
  end

  describe '#allow_source_branch_removal?' do
    it 'should not allow removal when mr is a fork' do

      subject.disallow_source_branch_removal?.should be_true
    end
    it 'should not allow removal when the mr is not a fork, but the source branch is the root reference' do
      subject.target_project = subject.source_project
      subject.source_branch = subject.source_project.repository.root_ref
      subject.disallow_source_branch_removal?.should be_true
    end

    it 'should not disallow removal when the mr is not a fork, and but source branch is not the root reference' do
      subject.target_project = subject.source_project
      subject.source_branch = "Something Different #{subject.source_project.repository.root_ref}"
      subject.for_fork?.should be_false
      subject.disallow_source_branch_removal?.should be_false
    end
  end

end