Files
external-snapshotter/pkg/utils/util_test.go
2024-01-30 17:40:58 -05:00

210 lines
5.9 KiB
Go

/*
Copyright 2018 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 utils
import (
"reflect"
"testing"
crdv1 "github.com/kubernetes-csi/external-snapshotter/client/v7/apis/volumesnapshot/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func TestContainsString(t *testing.T) {
src := []string{"aa", "bb", "cc"}
if !ContainsString(src, "bb") {
t.Errorf("ContainsString didn't find the string as expected")
}
}
func TestRemoveString(t *testing.T) {
tests := []struct {
testName string
input []string
remove string
want []string
}{
{
testName: "Nil input slice",
input: nil,
remove: "",
want: nil,
},
{
testName: "Slice doesn't contain the string",
input: []string{"a", "ab", "cdef"},
remove: "NotPresentInSlice",
want: []string{"a", "ab", "cdef"},
},
{
testName: "All strings removed, result is nil",
input: []string{"a"},
remove: "a",
want: nil,
},
{
testName: "One string removed",
input: []string{"a", "ab", "cdef"},
remove: "ab",
want: []string{"a", "cdef"},
},
{
testName: "All(three) strings removed",
input: []string{"ab", "a", "ab", "cdef", "ab"},
remove: "ab",
want: []string{"a", "cdef"},
},
}
for _, tt := range tests {
if got := RemoveString(tt.input, tt.remove); !reflect.DeepEqual(got, tt.want) {
t.Errorf("%v: RemoveString(%v, %q) = %v WANT %v", tt.testName, tt.input, tt.remove, got, tt.want)
}
}
}
func TestGetSecretReference(t *testing.T) {
testcases := map[string]struct {
secretParams secretParamsMap
params map[string]string
snapContentName string
snapshot *crdv1.VolumeSnapshot
expectRef *v1.SecretReference
expectErr bool
}{
"no params": {
secretParams: SnapshotterSecretParams,
params: nil,
expectRef: nil,
},
"namespace, no name": {
secretParams: SnapshotterSecretParams,
params: map[string]string{PrefixedSnapshotterSecretNamespaceKey: "foo"},
expectErr: true,
},
"simple - valid": {
secretParams: SnapshotterSecretParams,
params: map[string]string{PrefixedSnapshotterSecretNameKey: "name", PrefixedSnapshotterSecretNamespaceKey: "ns"},
snapshot: &crdv1.VolumeSnapshot{},
expectRef: &v1.SecretReference{Name: "name", Namespace: "ns"},
},
"simple - invalid name": {
secretParams: SnapshotterSecretParams,
params: map[string]string{PrefixedSnapshotterSecretNameKey: "bad name", PrefixedSnapshotterSecretNamespaceKey: "ns"},
snapshot: &crdv1.VolumeSnapshot{},
expectRef: nil,
expectErr: true,
},
"template - invalid": {
secretParams: SnapshotterSecretParams,
params: map[string]string{
PrefixedSnapshotterSecretNameKey: "static-${volumesnapshotcontent.name}-${volumesnapshot.namespace}-${volumesnapshot.name}-${volumesnapshot.annotations['akey']}",
PrefixedSnapshotterSecretNamespaceKey: "static-${volumesnapshotcontent.name}-${volumesnapshot.namespace}",
},
snapContentName: "snapcontentname",
snapshot: &crdv1.VolumeSnapshot{
ObjectMeta: metav1.ObjectMeta{
Name: "snapshotname",
Namespace: "snapshotnamespace",
Annotations: map[string]string{"akey": "avalue"},
},
},
expectRef: nil,
expectErr: true,
},
}
for k, tc := range testcases {
t.Run(k, func(t *testing.T) {
ref, err := GetSecretReference(tc.secretParams, tc.params, tc.snapContentName, tc.snapshot)
if err != nil {
if tc.expectErr {
return
}
t.Fatalf("Did not expect error but got: %v", err)
} else {
if tc.expectErr {
t.Fatalf("Expected error but got none")
}
}
if !reflect.DeepEqual(ref, tc.expectRef) {
t.Errorf("Expected %v, got %v", tc.expectRef, ref)
}
})
}
}
func TestRemovePrefixedCSIParams(t *testing.T) {
testcases := []struct {
name string
params map[string]string
expectedParams map[string]string
expectErr bool
}{
{
name: "no prefix",
params: map[string]string{"csiFoo": "bar", "bim": "baz"},
expectedParams: map[string]string{"csiFoo": "bar", "bim": "baz"},
},
{
name: "one prefixed",
params: map[string]string{PrefixedSnapshotterSecretNameKey: "bar", "bim": "baz"},
expectedParams: map[string]string{"bim": "baz"},
},
{
name: "all known prefixed",
params: map[string]string{
PrefixedSnapshotterSecretNameKey: "csiBar",
PrefixedSnapshotterSecretNamespaceKey: "csiBar",
PrefixedSnapshotterListSecretNameKey: "csiBar",
PrefixedSnapshotterListSecretNamespaceKey: "csiBar",
},
expectedParams: map[string]string{},
},
{
name: "unknown prefixed var",
params: map[string]string{csiParameterPrefix + "bim": "baz"},
expectErr: true,
},
{
name: "empty",
params: map[string]string{},
expectedParams: map[string]string{},
},
}
for _, tc := range testcases {
t.Logf("test: %v", tc.name)
newParams, err := RemovePrefixedParameters(tc.params)
if err != nil {
if tc.expectErr {
continue
} else {
t.Fatalf("Encountered unexpected error: %v", err)
}
} else {
if tc.expectErr {
t.Fatalf("Did not get error when one was expected")
}
}
eq := reflect.DeepEqual(newParams, tc.expectedParams)
if !eq {
t.Fatalf("Stripped parameters: %v not equal to expected parameters: %v", newParams, tc.expectedParams)
}
}
}