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bucket_controller_test.go
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/* Copyright 2021 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 bucket
import (
"context"
"errors"
"reflect"
"testing"
"sigs.k8s.io/container-object-storage-interface-api/apis/objectstorage/v1alpha1"
fakebucketclientset "sigs.k8s.io/container-object-storage-interface-api/client/clientset/versioned/fake"
cosi "sigs.k8s.io/container-object-storage-interface-spec"
fakespec "sigs.k8s.io/container-object-storage-interface-spec/fake"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilversion "k8s.io/apimachinery/pkg/util/version"
"k8s.io/apimachinery/pkg/version"
fakediscovery "k8s.io/client-go/discovery/fake"
fakekubeclientset "k8s.io/client-go/kubernetes/fake"
"google.golang.org/grpc"
)
func TestInitializeKubeClient(t *testing.T) {
client := fakekubeclientset.NewSimpleClientset()
fakeDiscovery, ok := client.Discovery().(*fakediscovery.FakeDiscovery)
if !ok {
t.Fatalf("Couldn't convert Discovery() to *FakeDiscovery")
}
fakeVersion := &version.Info{
GitVersion: "v1.0.0",
}
fakeDiscovery.FakedServerVersion = fakeVersion
bl := BucketListener{}
bl.InitializeKubeClient(client)
if bl.kubeClient == nil {
t.Errorf("KubeClient was nil")
}
expected := utilversion.MustParseSemantic(fakeVersion.GitVersion)
if !reflect.DeepEqual(expected, bl.kubeVersion) {
t.Errorf("Expected %+v, but got %+v", expected, bl.kubeVersion)
}
}
func TestInitializeBucketClient(t *testing.T) {
client := fakebucketclientset.NewSimpleClientset()
bl := BucketListener{}
bl.InitializeBucketClient(client)
if bl.bucketClient == nil {
t.Errorf("BucketClient was nil")
}
}
func TestAddWrongProvisioner(t *testing.T) {
driver := "driver1"
mpc := struct{ fakespec.FakeProvisionerClient }{}
mpc.FakeDriverCreateBucket = func(ctx context.Context,
in *cosi.DriverCreateBucketRequest,
opts ...grpc.CallOption) (*cosi.DriverCreateBucketResponse, error) {
t.Errorf("grpc client called")
return nil, nil
}
bl := BucketListener{
driverName: driver,
provisionerClient: &mpc,
}
b := v1alpha1.Bucket{
Spec: v1alpha1.BucketSpec{
DriverName: "driver2",
BucketClassName: "test-bucket",
},
}
ctx := context.TODO()
err := bl.Add(ctx, &b)
if err != nil {
t.Errorf("Error returned: %+v", err)
}
}
func TestMissingBucketClassName(t *testing.T) {
driver := "driver1"
mpc := struct{ fakespec.FakeProvisionerClient }{}
mpc.FakeDriverCreateBucket = func(ctx context.Context,
in *cosi.DriverCreateBucketRequest,
opts ...grpc.CallOption) (*cosi.DriverCreateBucketResponse, error) {
t.Errorf("grpc client called")
return nil, nil
}
bl := BucketListener{
driverName: driver,
provisionerClient: &mpc,
}
b := v1alpha1.Bucket{
ObjectMeta: metav1.ObjectMeta{
Name: "testbucket",
},
Spec: v1alpha1.BucketSpec{
DriverName: "driver1",
},
}
ctx := context.TODO()
err := bl.Add(ctx, &b)
expectedErr := errors.New("BucketClassName not defined for bucket testbucket")
if err == nil || err.Error() != expectedErr.Error() {
t.Errorf("Expecter error: %+v \n Returned error: %+v", expectedErr, err)
}
}