containerd/internal/cri/server/podsandbox/helpers_test.go
Jin Dong 38ba7f2f7e dedup BuildLabels
Signed-off-by: Jin Dong <djdongjin95@gmail.com>
2024-10-21 13:23:25 -04:00

133 lines
2.7 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 podsandbox
import (
"context"
"os"
"testing"
"github.com/containerd/containerd/v2/pkg/oci"
runtimespec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/stretchr/testify/assert"
)
func TestEnvDeduplication(t *testing.T) {
for _, test := range []struct {
desc string
existing []string
kv [][2]string
expected []string
}{
{
desc: "single env",
kv: [][2]string{
{"a", "b"},
},
expected: []string{"a=b"},
},
{
desc: "multiple envs",
kv: [][2]string{
{"a", "b"},
{"c", "d"},
{"e", "f"},
},
expected: []string{
"a=b",
"c=d",
"e=f",
},
},
{
desc: "env override",
kv: [][2]string{
{"k1", "v1"},
{"k2", "v2"},
{"k3", "v3"},
{"k3", "v4"},
{"k1", "v5"},
{"k4", "v6"},
},
expected: []string{
"k1=v5",
"k2=v2",
"k3=v4",
"k4=v6",
},
},
{
desc: "existing env",
existing: []string{
"k1=v1",
"k2=v2",
"k3=v3",
},
kv: [][2]string{
{"k3", "v4"},
{"k2", "v5"},
{"k4", "v6"},
},
expected: []string{
"k1=v1",
"k2=v5",
"k3=v4",
"k4=v6",
},
},
} {
test := test
t.Run(test.desc, func(t *testing.T) {
var spec runtimespec.Spec
if len(test.existing) > 0 {
spec.Process = &runtimespec.Process{
Env: test.existing,
}
}
for _, kv := range test.kv {
oci.WithEnv([]string{kv[0] + "=" + kv[1]})(context.Background(), nil, nil, &spec)
}
assert.Equal(t, test.expected, spec.Process.Env)
})
}
}
func TestEnsureRemoveAllNotExist(t *testing.T) {
// should never return an error for a non-existent path
if err := ensureRemoveAll(context.Background(), "/non/existent/path"); err != nil {
t.Fatal(err)
}
}
func TestEnsureRemoveAllWithDir(t *testing.T) {
dir := t.TempDir()
if err := ensureRemoveAll(context.Background(), dir); err != nil {
t.Fatal(err)
}
}
func TestEnsureRemoveAllWithFile(t *testing.T) {
tmp, err := os.CreateTemp("", "test-ensure-removeall-with-dir")
if err != nil {
t.Fatal(err)
}
tmp.Close()
if err := ensureRemoveAll(context.Background(), tmp.Name()); err != nil {
t.Fatal(err)
}
}