Fix RSpec config for Ruby < 3.2

Author: Machiel van der Bijl

spec/opcua_client/client_spec.rb

@@ -10,12 +10,16 @@
   describe 'read_byte'
 
   it 'allows disconnect for unconnected clients' do
-    result = new_client(connect: false).disconnect
+    client = described_class.new
+    result = client.disconnect
+    # result = new_client(connect: false).disconnect
     expect(result).to eq(0)
   end
 
   it 'returns 0 state' do
-    state = new_client(connect: false).state
+    client = described_class.new
+    state = client.state
+    # state = new_client(connect: false).state
     expect(state).to eq(0)
   end
 end

spec/spec_helper.rb

@@ -7,17 +7,16 @@
 if GC.respond_to?(:verify_compaction_references)
   # This method was added in Ruby 3.0.0. Calling it this way asks the GC to
   # move objects around, helping to find object movement bugs.
-  GC.verify_compaction_references(expand_heap: true, toward: :empty)
+  # The expand_heap parameter was added in Ruby 3.2.0
+  if RUBY_VERSION >= '3.2.0'
+    GC.verify_compaction_references(expand_heap: true, toward: :empty)
+  else
+    GC.verify_compaction_references(toward: :empty)
+  end
 end
 
 def new_client(connect: true)
-  client = OPCUAClient::Client.new
-
-  if connect
-    # TODO
-  end
-
-  client
+  OPCUAClient::Client.new
 end
 
 RSpec.configure do |config|