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270 lines
8.0 KiB
270 lines
8.0 KiB
/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package driver // import "helm.sh/helm/v3/pkg/storage/driver"
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import (
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"context"
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"fmt"
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"testing"
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sqlmock "github.com/DATA-DOG/go-sqlmock"
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sq "github.com/Masterminds/squirrel"
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"github.com/jmoiron/sqlx"
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v1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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kblabels "k8s.io/apimachinery/pkg/labels"
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corev1 "k8s.io/client-go/kubernetes/typed/core/v1"
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rspb "helm.sh/helm/v3/pkg/release"
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)
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func releaseStub(name string, vers int, namespace string, status rspb.Status) *rspb.Release {
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return &rspb.Release{
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Name: name,
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Version: vers,
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Namespace: namespace,
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Info: &rspb.Info{Status: status},
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Labels: map[string]string{
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"key1": "val1",
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"key2": "val2",
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},
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}
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}
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func testKey(name string, vers int) string {
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return fmt.Sprintf("%s.v%d", name, vers)
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}
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func tsFixtureMemory(t *testing.T) *Memory {
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hs := []*rspb.Release{
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// rls-a
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releaseStub("rls-a", 4, "default", rspb.StatusDeployed),
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releaseStub("rls-a", 1, "default", rspb.StatusSuperseded),
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releaseStub("rls-a", 3, "default", rspb.StatusSuperseded),
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releaseStub("rls-a", 2, "default", rspb.StatusSuperseded),
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// rls-b
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releaseStub("rls-b", 4, "default", rspb.StatusDeployed),
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releaseStub("rls-b", 1, "default", rspb.StatusSuperseded),
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releaseStub("rls-b", 3, "default", rspb.StatusSuperseded),
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releaseStub("rls-b", 2, "default", rspb.StatusSuperseded),
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// rls-c in other namespace
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releaseStub("rls-c", 4, "mynamespace", rspb.StatusDeployed),
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releaseStub("rls-c", 1, "mynamespace", rspb.StatusSuperseded),
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releaseStub("rls-c", 3, "mynamespace", rspb.StatusSuperseded),
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releaseStub("rls-c", 2, "mynamespace", rspb.StatusSuperseded),
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}
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mem := NewMemory()
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for _, tt := range hs {
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err := mem.Create(testKey(tt.Name, tt.Version), tt)
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if err != nil {
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t.Fatalf("Test setup failed to create: %s\n", err)
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}
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}
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return mem
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}
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// newTestFixture initializes a MockConfigMapsInterface.
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// ConfigMaps are created for each release provided.
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func newTestFixtureCfgMaps(t *testing.T, releases ...*rspb.Release) *ConfigMaps {
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var mock MockConfigMapsInterface
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mock.Init(t, releases...)
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return NewConfigMaps(&mock)
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}
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// MockConfigMapsInterface mocks a kubernetes ConfigMapsInterface
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type MockConfigMapsInterface struct {
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corev1.ConfigMapInterface
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objects map[string]*v1.ConfigMap
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}
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// Init initializes the MockConfigMapsInterface with the set of releases.
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func (mock *MockConfigMapsInterface) Init(t *testing.T, releases ...*rspb.Release) {
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mock.objects = map[string]*v1.ConfigMap{}
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for _, rls := range releases {
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objkey := testKey(rls.Name, rls.Version)
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cfgmap, err := newConfigMapsObject(objkey, rls, nil)
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if err != nil {
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t.Fatalf("Failed to create configmap: %s", err)
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}
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mock.objects[objkey] = cfgmap
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}
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}
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// Get returns the ConfigMap by name.
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func (mock *MockConfigMapsInterface) Get(_ context.Context, name string, _ metav1.GetOptions) (*v1.ConfigMap, error) {
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object, ok := mock.objects[name]
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if !ok {
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return nil, apierrors.NewNotFound(v1.Resource("tests"), name)
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}
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return object, nil
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}
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// List returns the a of ConfigMaps.
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func (mock *MockConfigMapsInterface) List(_ context.Context, opts metav1.ListOptions) (*v1.ConfigMapList, error) {
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var list v1.ConfigMapList
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labelSelector, err := kblabels.Parse(opts.LabelSelector)
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if err != nil {
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return nil, err
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}
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for _, cfgmap := range mock.objects {
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if labelSelector.Matches(kblabels.Set(cfgmap.ObjectMeta.Labels)) {
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list.Items = append(list.Items, *cfgmap)
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}
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}
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return &list, nil
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}
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// Create creates a new ConfigMap.
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func (mock *MockConfigMapsInterface) Create(_ context.Context, cfgmap *v1.ConfigMap, _ metav1.CreateOptions) (*v1.ConfigMap, error) {
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name := cfgmap.ObjectMeta.Name
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if object, ok := mock.objects[name]; ok {
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return object, apierrors.NewAlreadyExists(v1.Resource("tests"), name)
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}
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mock.objects[name] = cfgmap
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return cfgmap, nil
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}
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// Update updates a ConfigMap.
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func (mock *MockConfigMapsInterface) Update(_ context.Context, cfgmap *v1.ConfigMap, _ metav1.UpdateOptions) (*v1.ConfigMap, error) {
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name := cfgmap.ObjectMeta.Name
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if _, ok := mock.objects[name]; !ok {
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return nil, apierrors.NewNotFound(v1.Resource("tests"), name)
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}
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mock.objects[name] = cfgmap
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return cfgmap, nil
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}
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// Delete deletes a ConfigMap by name.
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func (mock *MockConfigMapsInterface) Delete(_ context.Context, name string, _ metav1.DeleteOptions) error {
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if _, ok := mock.objects[name]; !ok {
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return apierrors.NewNotFound(v1.Resource("tests"), name)
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}
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delete(mock.objects, name)
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return nil
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}
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// newTestFixture initializes a MockSecretsInterface.
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// Secrets are created for each release provided.
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func newTestFixtureSecrets(t *testing.T, releases ...*rspb.Release) *Secrets {
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var mock MockSecretsInterface
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mock.Init(t, releases...)
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return NewSecrets(&mock)
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}
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// MockSecretsInterface mocks a kubernetes SecretsInterface
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type MockSecretsInterface struct {
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corev1.SecretInterface
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objects map[string]*v1.Secret
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}
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// Init initializes the MockSecretsInterface with the set of releases.
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func (mock *MockSecretsInterface) Init(t *testing.T, releases ...*rspb.Release) {
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mock.objects = map[string]*v1.Secret{}
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for _, rls := range releases {
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objkey := testKey(rls.Name, rls.Version)
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secret, err := newSecretsObject(objkey, rls, nil)
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if err != nil {
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t.Fatalf("Failed to create secret: %s", err)
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}
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mock.objects[objkey] = secret
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}
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}
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// Get returns the Secret by name.
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func (mock *MockSecretsInterface) Get(_ context.Context, name string, _ metav1.GetOptions) (*v1.Secret, error) {
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object, ok := mock.objects[name]
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if !ok {
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return nil, apierrors.NewNotFound(v1.Resource("tests"), name)
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}
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return object, nil
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}
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// List returns the a of Secret.
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func (mock *MockSecretsInterface) List(_ context.Context, opts metav1.ListOptions) (*v1.SecretList, error) {
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var list v1.SecretList
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labelSelector, err := kblabels.Parse(opts.LabelSelector)
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if err != nil {
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return nil, err
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}
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for _, secret := range mock.objects {
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if labelSelector.Matches(kblabels.Set(secret.ObjectMeta.Labels)) {
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list.Items = append(list.Items, *secret)
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}
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}
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return &list, nil
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}
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// Create creates a new Secret.
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func (mock *MockSecretsInterface) Create(_ context.Context, secret *v1.Secret, _ metav1.CreateOptions) (*v1.Secret, error) {
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name := secret.ObjectMeta.Name
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if object, ok := mock.objects[name]; ok {
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return object, apierrors.NewAlreadyExists(v1.Resource("tests"), name)
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}
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mock.objects[name] = secret
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return secret, nil
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}
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// Update updates a Secret.
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func (mock *MockSecretsInterface) Update(_ context.Context, secret *v1.Secret, _ metav1.UpdateOptions) (*v1.Secret, error) {
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name := secret.ObjectMeta.Name
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if _, ok := mock.objects[name]; !ok {
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return nil, apierrors.NewNotFound(v1.Resource("tests"), name)
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}
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mock.objects[name] = secret
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return secret, nil
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}
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// Delete deletes a Secret by name.
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func (mock *MockSecretsInterface) Delete(_ context.Context, name string, _ metav1.DeleteOptions) error {
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if _, ok := mock.objects[name]; !ok {
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return apierrors.NewNotFound(v1.Resource("tests"), name)
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}
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delete(mock.objects, name)
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return nil
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}
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// newTestFixtureSQL mocks the SQL database (for testing purposes)
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func newTestFixtureSQL(t *testing.T, _ ...*rspb.Release) (*SQL, sqlmock.Sqlmock) {
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sqlDB, mock, err := sqlmock.New()
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if err != nil {
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t.Fatalf("error when opening stub database connection: %v", err)
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}
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sqlxDB := sqlx.NewDb(sqlDB, "sqlmock")
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return &SQL{
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db: sqlxDB,
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Log: func(_ string, _ ...interface{}) {},
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namespace: "default",
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statementBuilder: sq.StatementBuilder.PlaceholderFormat(sq.Dollar),
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}, mock
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}
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