1 files changed, 183 insertions, 0 deletions
diff --git a/spec/models/clusters/providers/gcp_spec.rb b/spec/models/clusters/providers/gcp_spec.rb
new file mode 100644
index 00000000000..ecd0a08c953
--- /dev/null
+++ b/spec/models/clusters/providers/gcp_spec.rb
@@ -0,0 +1,183 @@
+require 'spec_helper'
+
+describe Clusters::Providers::Gcp do
+  it { is_expected.to belong_to(:cluster) }
+  it { is_expected.to validate_presence_of(:zone) }
+
+  describe 'default_value_for' do
+    let(:gcp) { build(:cluster_provider_gcp) }
+
+    it "has default value" do
+      expect(gcp.zone).to eq('us-central1-a')
+      expect(gcp.num_nodes).to eq(3)
+      expect(gcp.machine_type).to eq('n1-standard-4')
+    end
+  end
+
+  describe 'validation' do
+    subject { gcp.valid? }
+
+    context 'when validates gcp_project_id' do
+      let(:gcp) { build(:cluster_provider_gcp, gcp_project_id: gcp_project_id) }
+
+      context 'when gcp_project_id is shorter than 1' do
+        let(:gcp_project_id) { '' }
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'when gcp_project_id is longer than 63' do
+        let(:gcp_project_id) { 'a' * 64 }
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'when gcp_project_id includes invalid character' do
+        let(:gcp_project_id) { '!!!!!!' }
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'when gcp_project_id is valid' do
+        let(:gcp_project_id) { 'gcp-project-1' }
+
+        it { is_expected.to be_truthy }
+      end
+    end
+
+    context 'when validates num_nodes' do
+      let(:gcp) { build(:cluster_provider_gcp, num_nodes: num_nodes) }
+
+      context 'when num_nodes is string' do
+        let(:num_nodes) { 'A3' }
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'when num_nodes is nil' do
+        let(:num_nodes) { nil }
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'when num_nodes is smaller than 1' do
+        let(:num_nodes) { 0 }
+
+        it { is_expected.to be_falsey }
+      end
+
+      context 'when num_nodes is valid' do
+        let(:num_nodes) { 3 }
+
+        it { is_expected.to be_truthy }
+      end
+    end
+  end
+
+  describe '#state_machine' do
+    context 'when any => [:created]' do
+      let(:gcp) { build(:cluster_provider_gcp, :creating) }
+
+      before do
+        gcp.make_created
+      end
+
+      it 'nullify access_token and operation_id' do
+        expect(gcp.access_token).to be_nil
+        expect(gcp.operation_id).to be_nil
+        expect(gcp).to be_created
+      end
+    end
+
+    context 'when any => [:creating]' do
+      let(:gcp) { build(:cluster_provider_gcp) }
+
+      context 'when operation_id is present' do
+        let(:operation_id) { 'operation-xxx' }
+
+        before do
+          gcp.make_creating(operation_id)
+        end
+
+        it 'sets operation_id' do
+          expect(gcp.operation_id).to eq(operation_id)
+          expect(gcp).to be_creating
+        end
+      end
+
+      context 'when operation_id is nil' do
+        let(:operation_id) { nil }
+
+        it 'raises an error' do
+          expect { gcp.make_creating(operation_id) }
+            .to raise_error('operation_id is required')
+        end
+      end
+    end
+
+    context 'when any => [:errored]' do
+      let(:gcp) { build(:cluster_provider_gcp, :creating) }
+      let(:status_reason) { 'err msg' }
+
+      it 'nullify access_token and operation_id' do
+        gcp.make_errored(status_reason)
+
+        expect(gcp.access_token).to be_nil
+        expect(gcp.operation_id).to be_nil
+        expect(gcp.status_reason).to eq(status_reason)
+        expect(gcp).to be_errored
+      end
+
+      context 'when status_reason is nil' do
+        let(:gcp) { build(:cluster_provider_gcp, :errored) }
+
+        it 'does not set status_reason' do
+          gcp.make_errored(nil)
+
+          expect(gcp.status_reason).not_to be_nil
+        end
+      end
+    end
+  end
+
+  describe '#on_creation?' do
+    subject { gcp.on_creation? }
+
+    context 'when status is creating' do
+      let(:gcp) { create(:cluster_provider_gcp, :creating) }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context 'when status is created' do
+      let(:gcp) { create(:cluster_provider_gcp, :created) }
+
+      it { is_expected.to be_falsey }
+    end
+  end
+
+  describe '#api_client' do
+    subject { gcp.api_client }
+
+    context 'when status is creating' do
+      let(:gcp) { build(:cluster_provider_gcp, :creating) }
+
+      it 'returns Cloud Platform API clinet' do
+        expect(subject).to be_an_instance_of(GoogleApi::CloudPlatform::Client)
+        expect(subject.access_token).to eq(gcp.access_token)
+      end
+    end
+
+    context 'when status is created' do
+      let(:gcp) { build(:cluster_provider_gcp, :created) }
+
+      it { is_expected.to be_nil }
+    end
+
+    context 'when status is errored' do
+      let(:gcp) { build(:cluster_provider_gcp, :errored) }
+
+      it { is_expected.to be_nil }
+    end
+  end
+end