Teach GoogleApi::CloudPlatform::Client#projects_zones_clusters_create about legacy_abac argument

Fix spec warning: removing `initialize' may cause serious problems

Actually verify that `service.create_cluster` is called with expected
request_body and other args

app/services/clusters/gcp/provision_service.rb

@@ -27,7 +27,9 @@ module Clusters
           provider.zone,
           provider.cluster.name,
           provider.num_nodes,
-          machine_type: provider.machine_type)
+          machine_type: provider.machine_type,
+          legacy_abac: true
+        )
 
         unless operation.status == 'PENDING' || operation.status == 'RUNNING'
           return provider.make_errored!("Operation status is unexpected; #{operation.status_message}")

lib/google_api/cloud_platform/client.rb

@@ -50,7 +50,7 @@ module GoogleApi
         service.get_zone_cluster(project_id, zone, cluster_id, options: user_agent_header)
       end
 
-      def projects_zones_clusters_create(project_id, zone, cluster_name, cluster_size, machine_type:)
+      def projects_zones_clusters_create(project_id, zone, cluster_name, cluster_size, machine_type:, legacy_abac:)
         service = Google::Apis::ContainerV1::ContainerService.new
         service.authorization = access_token
 
@@ -63,7 +63,7 @@ module GoogleApi
                 "machine_type": machine_type
               },
               "legacy_abac": {
-                "enabled": true
+                "enabled": legacy_abac
               }
             }
           }

spec/lib/google_api/cloud_platform/client_spec.rb

@@ -66,25 +66,30 @@ describe GoogleApi::CloudPlatform::Client do
   describe '#projects_zones_clusters_create' do
     subject do
       client.projects_zones_clusters_create(
-        spy, spy, cluster_name, cluster_size, machine_type: machine_type)
+        project_id, zone, cluster_name, cluster_size, machine_type: machine_type, legacy_abac: legacy_abac)
     end
 
+    let(:project_id) { 'project-123' }
+    let(:zone) { 'us-central1-a' }
     let(:cluster_name) { 'test-cluster' }
     let(:cluster_size) { 1 }
     let(:machine_type) { 'n1-standard-2' }
+    let(:legacy_abac) { true }
+    let(:create_cluster_request_body) { double('Google::Apis::ContainerV1::CreateClusterRequest') }
     let(:operation) { double }
 
     before do
       allow_any_instance_of(Google::Apis::ContainerV1::ContainerService)
-        .to receive(:create_cluster).with(any_args, options: user_agent_options)
+        .to receive(:create_cluster).with(any_args)
         .and_return(operation)
     end
 
-    it { is_expected.to eq(operation) }
-
     it 'sets corresponded parameters' do
-      expect_any_instance_of(Google::Apis::ContainerV1::CreateClusterRequest)
-        .to receive(:initialize).with(
+      expect_any_instance_of(Google::Apis::ContainerV1::ContainerService)
+        .to receive(:create_cluster).with(project_id, zone, create_cluster_request_body, options: user_agent_options)
+
+      expect(Google::Apis::ContainerV1::CreateClusterRequest)
+        .to receive(:new).with(
           {
             "cluster": {
               "name": cluster_name,
@@ -96,9 +101,35 @@ describe GoogleApi::CloudPlatform::Client do
                 "enabled": true
               }
             }
-          } )
+          } ).and_return(create_cluster_request_body)
+
+      expect(subject).to eq operation
+    end
+
+    context 'create without legacy_abac' do
+      let(:legacy_abac) { false }
+
+      it 'sets corresponded parameters' do
+        expect_any_instance_of(Google::Apis::ContainerV1::ContainerService)
+          .to receive(:create_cluster).with(project_id, zone, create_cluster_request_body, options: user_agent_options)
+
+        expect(Google::Apis::ContainerV1::CreateClusterRequest)
+          .to receive(:new).with(
+            {
+              "cluster": {
+                "name": cluster_name,
+                "initial_node_count": cluster_size,
+                "node_config": {
+                  "machine_type": machine_type
+                },
+                "legacy_abac": {
+                  "enabled": false
+                }
+              }
+            } ).and_return(create_cluster_request_body)
 
-      subject
+        expect(subject).to eq operation
+      end
     end
   end