Add fuzzy conversion tests for v1alpha6

As there are no API differences yet between v1alpha6 and v1alpha7, no
special fuzzers are needed. The tests check hub-spoke-hub and
spoke-hub-spoke conversions.

Author: lentzi90

api/v1alpha6/conversion_test.go

@@ -0,0 +1,47 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha6
+
+import (
+	"testing"
+
+	utilconversion "sigs.k8s.io/cluster-api/util/conversion"
+
+	infrav1 "sigs.k8s.io/cluster-api-provider-openstack/api/v1alpha7"
+)
+
+func TestFuzzyConversion(t *testing.T) {
+	t.Run("for OpenStackCluster", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
+		Hub:   &infrav1.OpenStackCluster{},
+		Spoke: &OpenStackCluster{},
+	}))
+
+	t.Run("for OpenStackClusterTemplate", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
+		Hub:   &infrav1.OpenStackClusterTemplate{},
+		Spoke: &OpenStackClusterTemplate{},
+	}))
+
+	t.Run("for OpenStackMachine", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
+		Hub:   &infrav1.OpenStackMachine{},
+		Spoke: &OpenStackMachine{},
+	}))
+
+	t.Run("for OpenStackMachineTemplate", utilconversion.FuzzTestFunc(utilconversion.FuzzTestFuncInput{
+		Hub:   &infrav1.OpenStackMachineTemplate{},
+		Spoke: &OpenStackMachineTemplate{},
+	}))
+}