spec/models/gpg_signature_spec.rb


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require 'rails_helper'

RSpec.describe GpgSignature do
  let(:commit_sha) { '0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33' }
  let!(:project) { create(:project, :repository, path: 'sample-project') }
  let!(:commit) { create(:commit, project: project, sha: commit_sha) }
  let(:gpg_signature) { create(:gpg_signature, commit_sha: commit_sha) }
  let(:gpg_key) { create(:gpg_key) }
  let(:gpg_key_subkey) { create(:gpg_key_subkey) }

  describe 'associations' do
    it { is_expected.to belong_to(:project) }
    it { is_expected.to belong_to(:gpg_key) }
    it { is_expected.to belong_to(:gpg_key_subkey) }
  end

  describe 'validation' do
    subject { described_class.new }
    it { is_expected.to validate_presence_of(:commit_sha) }
    it { is_expected.to validate_presence_of(:project_id) }
    it { is_expected.to validate_presence_of(:gpg_key_primary_keyid) }
  end

  describe '#commit' do
    it 'fetches the commit through the project' do
      expect_any_instance_of(Project).to receive(:commit).with(commit_sha).and_return(commit)

      gpg_signature.commit
    end
  end

  describe '#gpg_key=' do
    it 'supports the assignment of a GpgKey' do
      gpg_signature = create(:gpg_signature, gpg_key: gpg_key)

      expect(gpg_signature.gpg_key).to be_an_instance_of(GpgKey)
    end

    it 'supports the assignment of a GpgKeySubkey' do
      gpg_signature = create(:gpg_signature, gpg_key: gpg_key_subkey)

      expect(gpg_signature.gpg_key).to be_an_instance_of(GpgKeySubkey)
    end

    it 'clears gpg_key and gpg_key_subkey_id when passing nil' do
      gpg_signature.update_attribute(:gpg_key, nil)

      expect(gpg_signature.gpg_key_id).to be_nil
      expect(gpg_signature.gpg_key_subkey_id).to be_nil
    end
  end

  describe '#gpg_commit' do
    context 'when commit does not exist' do
      it 'returns nil' do
        allow(gpg_signature).to receive(:commit).and_return(nil)

        expect(gpg_signature.gpg_commit).to be_nil
      end
    end

    context 'when commit exists' do
      it 'returns an instance of Gitlab::Gpg::Commit' do
        allow(gpg_signature).to receive(:commit).and_return(commit)

        expect(gpg_signature.gpg_commit).to be_an_instance_of(Gitlab::Gpg::Commit)
      end
    end
  end
end