1 files changed, 188 insertions, 0 deletions
diff --git a/spec/models/clusters/platforms/kubernetes_spec.rb b/spec/models/clusters/platforms/kubernetes_spec.rb
new file mode 100644
index 00000000000..ed76be703a5
--- /dev/null
+++ b/spec/models/clusters/platforms/kubernetes_spec.rb
@@ -0,0 +1,188 @@
+require 'spec_helper'
+
+describe Clusters::Platforms::Kubernetes, :use_clean_rails_memory_store_caching do
+  include KubernetesHelpers
+  include ReactiveCachingHelpers
+
+  it { is_expected.to belong_to(:cluster) }
+  it { is_expected.to respond_to :ca_pem }
+
+  describe 'before_validation' do
+    context 'when namespace includes upper case' do
+      let(:kubernetes) { create(:cluster_platform_kubernetes, :configured, namespace: namespace) }
+      let(:namespace) { 'ABC' }
+
+      it 'converts to lower case' do
+        expect(kubernetes.namespace).to eq('abc')
+      end
+    end
+  end
+
+  describe 'validation' do
+    subject { kubernetes.valid? }
+
+    context 'when validates namespace' do
+      let(:kubernetes) { build(:cluster_platform_kubernetes, :configured, namespace: namespace) }
+
+      context 'when namespace is blank' do
+        let(:namespace) { '' }
+
+        it { is_expected.to be_truthy }
+      end
+
+      context 'when namespace is longer than 63' do
+        let(:namespace) { 'a' * 64 }
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'when namespace includes invalid character' do
+        let(:namespace) { '!!!!!!' }
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'when namespace is vaild' do
+        let(:namespace) { 'namespace-123' }
+
+        it { is_expected.to be_truthy }
+      end
+    end
+
+    context 'when validates api_url' do
+      let(:kubernetes) { build(:cluster_platform_kubernetes, :configured) }
+
+      before do
+        kubernetes.api_url = api_url
+      end
+
+      context 'when api_url is invalid url' do
+        let(:api_url) { '!!!!!!' }
+
+        it { expect(kubernetes.save).to be_falsey }
+      end
+
+      context 'when api_url is nil' do
+        let(:api_url) { nil }
+
+        it { expect(kubernetes.save).to be_falsey }
+      end
+
+      context 'when api_url is valid url' do
+        let(:api_url) { 'https://111.111.111.111' }
+
+        it { expect(kubernetes.save).to be_truthy }
+      end
+    end
+
+    context 'when validates token' do
+      let(:kubernetes) { build(:cluster_platform_kubernetes, :configured) }
+
+      before do
+        kubernetes.token = token
+      end
+
+      context 'when token is nil' do
+        let(:token) { nil }
+
+        it { expect(kubernetes.save).to be_falsey }
+      end
+    end
+  end
+
+  describe 'after_save from Clusters::Cluster' do
+    context 'when platform_kubernetes is being cerated' do
+      let(:enabled) { true }
+      let(:project) { create(:project) }
+      let(:cluster) { build(:cluster, provider_type: :gcp, platform_type: :kubernetes, platform_kubernetes: platform, provider_gcp: provider, enabled: enabled, projects: [project]) }
+      let(:platform) { build(:cluster_platform_kubernetes, :configured) }
+      let(:provider) { build(:cluster_provider_gcp) }
+      let(:kubernetes_service) { project.kubernetes_service }
+
+      it 'updates KubernetesService' do
+        cluster.save!
+
+        expect(kubernetes_service.active).to eq(enabled)
+        expect(kubernetes_service.api_url).to eq(platform.api_url)
+        expect(kubernetes_service.namespace).to eq(platform.namespace)
+        expect(kubernetes_service.ca_pem).to eq(platform.ca_cert)
+      end
+    end
+
+    context 'when platform_kubernetes has been created' do
+      let(:enabled) { false }
+      let!(:project) { create(:project) }
+      let!(:cluster) { create(:cluster, :provided_by_gcp, projects: [project]) }
+      let(:platform) { cluster.platform }
+      let(:kubernetes_service) { project.kubernetes_service }
+
+      it 'updates KubernetesService' do
+        cluster.update(enabled: enabled)
+
+        expect(kubernetes_service.active).to eq(enabled)
+      end
+    end
+
+    context 'when kubernetes_service has been configured without cluster integration' do
+      let!(:project) { create(:project) }
+      let(:cluster) { build(:cluster, provider_type: :gcp, platform_type: :kubernetes, platform_kubernetes: platform, provider_gcp: provider, projects: [project]) }
+      let(:platform) { build(:cluster_platform_kubernetes, :configured, api_url: 'https://111.111.111.111') }
+      let(:provider) { build(:cluster_provider_gcp) }
+
+      before do
+        create(:kubernetes_service, project: project)
+      end
+
+      it 'raises an error' do
+        expect { cluster.save! }.to raise_error('Kubernetes service already configured')
+      end
+    end
+  end
+
+  describe '#actual_namespace' do
+    subject { kubernetes.actual_namespace }
+
+    let!(:cluster) { create(:cluster, :project, platform_kubernetes: kubernetes) }
+    let(:project) { cluster.project }
+    let(:kubernetes) { create(:cluster_platform_kubernetes, :configured, namespace: namespace) }
+
+    context 'when namespace is present' do
+      let(:namespace) { 'namespace-123' }
+
+      it { is_expected.to eq(namespace) }
+    end
+
+    context 'when namespace is not present' do
+      let(:namespace) { nil }
+
+      it { is_expected.to eq("#{project.path}-#{project.id}") }
+    end
+  end
+
+  describe '.namespace_for_project' do
+    subject { described_class.namespace_for_project(project) }
+
+    let(:project) { create(:project) }
+
+    it { is_expected.to eq("#{project.path}-#{project.id}") }
+  end
+
+  describe '#default_namespace' do
+    subject { kubernetes.default_namespace }
+
+    let(:kubernetes) { create(:cluster_platform_kubernetes, :configured) }
+
+    context 'when cluster belongs to a project' do
+      let!(:cluster) { create(:cluster, :project, platform_kubernetes: kubernetes) }
+      let(:project) { cluster.project }
+
+      it { is_expected.to eq("#{project.path}-#{project.id}") }
+    end
+
+    context 'when cluster belongs to nothing' do
+      let!(:cluster) { create(:cluster, platform_kubernetes: kubernetes) }
+
+      it { is_expected.to be_nil }
+    end
+  end
+end