Add integration test

src/bosh_azure_cpi/spec/integration/managed_disks_spec.rb

@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+require 'integration/spec_helper'
+
+describe Bosh::AzureCloud::Cloud do
+  subject(:cpi_managed) do
+    cloud_options_managed = @cloud_options.dup
+    cloud_options_managed['azure']['use_managed_disks'] = true
+    described_class.new(cloud_options_managed, Bosh::AzureCloud::Cloud::CURRENT_API_VERSION)
+  end
+
+  let(:size) { 10_000 }
+  let(:new_size) { 20_000 }
+
+  before { @disk_id_pool = [] }
+
+  after do
+    @disk_id_pool.each do |disk_id|
+      @logger.info("Cleanup: Deleting the disk '#{disk_id}'")
+      cpi_managed.delete_disk(disk_id) if disk_id
+    end
+  end
+
+  context 'Resize a disk to a higher size' do
+    it 'should work' do
+      @logger.info("Create new managed disk with #{size} MiB")
+      disk_cid = cpi_managed.create_disk(size, {})
+      expect(disk_cid).not_to be_nil
+      @disk_id_pool.push(disk_cid)
+
+      @logger.info("Resize managed disk '#{disk_cid}' to #{new_size} MiB")
+      cpi_managed.resize_disk(disk_cid, new_size)
+
+      disk_id_obj = Bosh::AzureCloud::DiskId.parse(disk_cid, @azure_config.resource_group_name)
+      disk = get_azure_client.get_managed_disk_by_name(@default_resource_group_name, disk_id_obj.disk_name)
+      expect(disk[:disk_size]).to eq(cpi_managed.mib_to_gib(new_size))
+
+      @logger.info("Delete managed disk '#{disk_cid}'")
+      cpi_managed.delete_disk(disk_cid)
+      @disk_id_pool.delete(disk_cid)
+    end
+  end
+end