1 files changed, 105 insertions, 0 deletions
diff --git a/spec/support/cluster_application_spec.rb b/spec/support/cluster_application_spec.rb
new file mode 100644
index 00000000000..ab77910a050
--- /dev/null
+++ b/spec/support/cluster_application_spec.rb
@@ -0,0 +1,105 @@
+shared_examples 'cluster application specs' do
+  let(:factory_name) { described_class.to_s.downcase.gsub("::", "_") }
+
+  describe '#name' do
+    it 'is .application_name' do
+      expect(subject.name).to eq(described_class.application_name)
+    end
+
+    it 'is recorded in Clusters::Cluster::APPLICATIONS' do
+      expect(Clusters::Cluster::APPLICATIONS[subject.name]).to eq(described_class)
+    end
+  end
+
+  describe '#status' do
+    let(:cluster) { create(:cluster, :provided_by_gcp) }
+
+    subject { described_class.new(cluster: cluster) }
+
+    it 'defaults to :not_installable' do
+      expect(subject.status_name).to be(:not_installable)
+    end
+
+    context 'when application helm is scheduled' do
+      before do
+        create(factory_name, :scheduled, cluster: cluster)
+      end
+
+      it 'defaults to :not_installable' do
+        expect(subject.status_name).to be(:not_installable)
+      end
+    end
+
+    context 'when application helm is installed' do
+      before do
+        create(:clusters_applications_helm, :installed, cluster: cluster)
+      end
+
+      it 'defaults to :installable' do
+        expect(subject.status_name).to be(:installable)
+      end
+    end
+  end
+
+  describe '#install_command' do
+    it 'has all the needed information' do
+      expect(subject.install_command).to have_attributes(name: subject.name, install_helm: false)
+    end
+  end
+
+  describe 'status state machine' do
+    describe '#make_installing' do
+      subject { create(factory_name, :scheduled) }
+
+      it 'is installing' do
+        subject.make_installing!
+
+        expect(subject).to be_installing
+      end
+    end
+
+    describe '#make_installed' do
+      subject { create(factory_name, :installing) }
+
+      it 'is installed' do
+        subject.make_installed
+
+        expect(subject).to be_installed
+      end
+    end
+
+    describe '#make_errored' do
+      subject { create(factory_name, :installing) }
+      let(:reason) { 'some errors' }
+
+      it 'is errored' do
+        subject.make_errored(reason)
+
+        expect(subject).to be_errored
+        expect(subject.status_reason).to eq(reason)
+      end
+    end
+
+    describe '#make_scheduled' do
+      subject { create(factory_name, :installable) }
+
+      it 'is scheduled' do
+        subject.make_scheduled
+
+        expect(subject).to be_scheduled
+      end
+
+      describe 'when was errored' do
+        subject { create(factory_name, :errored) }
+
+        it 'clears #status_reason' do
+          expect(subject.status_reason).not_to be_nil
+
+          subject.make_scheduled!
+
+          expect(subject.status_reason).to be_nil
+        end
+      end
+    end
+  end
+end