cluster_spec.rb 4.59 KB
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require 'spec_helper'

describe Clusters::Cluster do
  it { is_expected.to belong_to(:user) }
  it { is_expected.to have_many(:projects) }
  it { is_expected.to have_one(:provider_gcp) }
  it { is_expected.to have_one(:platform_kubernetes) }
  it { is_expected.to delegate_method(:status).to(:provider) }
  it { is_expected.to delegate_method(:status_reason).to(:provider) }
  it { is_expected.to delegate_method(:status_name).to(:provider) }
  it { is_expected.to delegate_method(:on_creation?).to(:provider) }
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  it { is_expected.to delegate_method(:update_kubernetes_integration!).to(:platform) }
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  it { is_expected.to respond_to :project }

  describe '.enabled' do
    subject { described_class.enabled }

    let!(:cluster) { create(:cluster, enabled: true) }

    before do
      create(:cluster, enabled: false)
    end

    it { is_expected.to contain_exactly(cluster) }
  end

  describe '.disabled' do
    subject { described_class.disabled }

    let!(:cluster) { create(:cluster, enabled: false) }

    before do
      create(:cluster, enabled: true)
    end

    it { is_expected.to contain_exactly(cluster) }
  end

  describe 'validation' do
    subject { cluster.valid? }

    context 'when validates name' do
      context 'when provided by user' do
        let!(:cluster) { build(:cluster, :provided_by_user, name: name) }

        context 'when name is empty' do
          let(:name) { '' }

          it { is_expected.to be_falsey }
        end

        context 'when name is nil' do
          let(:name) { nil }

          it { is_expected.to be_falsey }
        end

        context 'when name is present' do
          let(:name) { 'cluster-name-1' }

          it { is_expected.to be_truthy }
        end
      end

      context 'when provided by gcp' do
        let!(:cluster) { build(:cluster, :provided_by_gcp, name: name) }

        context 'when name is shorter than 1' do
          let(:name) { '' }

          it { is_expected.to be_falsey }
        end

        context 'when name is longer than 63' do
          let(:name) { 'a' * 64 }

          it { is_expected.to be_falsey }
        end

        context 'when name includes invalid character' do
          let(:name) { '!!!!!!' }

          it { is_expected.to be_falsey }
        end

        context 'when name is present' do
          let(:name) { 'cluster-name-1' }

          it { is_expected.to be_truthy }
        end

        context 'when record is persisted' do
          let(:name) { 'cluster-name-1' }

          before do
            cluster.save!
          end

          context 'when name is changed' do
            before do
              cluster.name = 'new-cluster-name'
            end

            it { is_expected.to be_falsey }
          end

          context 'when name is same' do
            before do
              cluster.name = name
            end

            it { is_expected.to be_truthy }
          end
        end
      end
    end

    context 'when validates restrict_modification' do
      context 'when creation is on going' do
        let!(:cluster) { create(:cluster, :providing_by_gcp) }

        it { expect(cluster.update(enabled: false)).to be_falsey }
      end

      context 'when creation is done' do
        let!(:cluster) { create(:cluster, :provided_by_gcp) }

        it { expect(cluster.update(enabled: false)).to be_truthy }
      end
    end
  end

  describe '#provider' do
    subject { cluster.provider }

    context 'when provider is gcp' do
      let(:cluster) { create(:cluster, :provided_by_gcp) }

      it 'returns a provider' do
        is_expected.to eq(cluster.provider_gcp)
        expect(subject.class.name.deconstantize).to eq(Clusters::Providers.to_s)
      end
    end

    context 'when provider is user' do
      let(:cluster) { create(:cluster, :provided_by_user) }

      it { is_expected.to be_nil }
    end
  end

  describe '#platform' do
    subject { cluster.platform }

    context 'when platform is kubernetes' do
      let(:cluster) { create(:cluster, :provided_by_user) }

      it 'returns a platform' do
        is_expected.to eq(cluster.platform_kubernetes)
        expect(subject.class.name.deconstantize).to eq(Clusters::Platforms.to_s)
      end
    end
  end

  describe '#first_project' do
    subject { cluster.first_project }

    context 'when cluster belongs to a project' do
      let(:cluster) { create(:cluster, :project) }
      let(:project) { Clusters::Project.find_by_cluster_id(cluster.id).project }

      it { is_expected.to eq(project) }
    end

    context 'when cluster does not belong to projects' do
      let(:cluster) { create(:cluster) }

      it { is_expected.to be_nil }
    end
  end
end