containerd/metadata/namespaces_test.go
Kazuyoshi Kato cb1580937a metadata: improve deleting a non-empty namespace's error message
Deleting a non-empty namespace fails with

> namespace must be empty: failed precondition

This change improves the error message by listing the types of
the objects in the namespace that prevent deletion.

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>
2021-04-15 15:49:44 -07:00

86 lines
2.1 KiB
Go

/*
Copyright The containerd 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 metadata
import (
"context"
"testing"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/namespaces"
"github.com/gogo/protobuf/types"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.etcd.io/bbolt"
)
func TestCreateDelete(t *testing.T) {
ctx, db, cleanup := testDB(t)
defer cleanup()
subtests := []struct {
name string
create func(t *testing.T, ctx context.Context)
validate func(t *testing.T, err error)
}{
{
name: "empty",
create: func(t *testing.T, ctx context.Context) {},
validate: func(t *testing.T, err error) {
require.NoError(t, err)
},
},
{
name: "not-empty",
create: func(t *testing.T, ctx context.Context) {
store := NewContainerStore(db)
_, err := store.Create(ctx, containers.Container{
ID: "c1",
Runtime: containers.RuntimeInfo{Name: "rt"},
Spec: &types.Any{},
})
require.NoError(t, err)
},
validate: func(t *testing.T, err error) {
require.Error(t, err)
assert.Contains(t, err.Error(), "still has containers")
},
},
}
for _, subtest := range subtests {
ns := subtest.name
ctx = namespaces.WithNamespace(ctx, ns)
t.Run(subtest.name, func(t *testing.T) {
err := db.Update(func(tx *bbolt.Tx) error {
store := NewNamespaceStore(tx)
return store.Create(ctx, ns, nil)
})
require.NoError(t, err)
subtest.create(t, ctx)
err = db.Update(func(tx *bbolt.Tx) error {
store := NewNamespaceStore(tx)
return store.Delete(ctx, ns)
})
subtest.validate(t, err)
})
}
}