108 lines
2.5 KiB
Go
108 lines
2.5 KiB
Go
/*
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Copyright The containerd 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 podsandbox
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import (
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"context"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"golang.org/x/sys/unix"
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)
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func TestGetCgroupsPath(t *testing.T) {
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testID := "test-id"
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for _, test := range []struct {
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desc string
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cgroupsParent string
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expected string
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}{
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{
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desc: "should support regular cgroup path",
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cgroupsParent: "/a/b",
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expected: "/a/b/test-id",
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},
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{
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desc: "should support systemd cgroup path",
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cgroupsParent: "/a.slice/b.slice",
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expected: "b.slice:cri-containerd:test-id",
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},
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{
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desc: "should support tailing slash for regular cgroup path",
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cgroupsParent: "/a/b/",
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expected: "/a/b/test-id",
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},
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{
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desc: "should support tailing slash for systemd cgroup path",
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cgroupsParent: "/a.slice/b.slice/",
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expected: "b.slice:cri-containerd:test-id",
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},
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{
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desc: "should treat root cgroup as regular cgroup path",
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cgroupsParent: "/",
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expected: "/test-id",
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},
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} {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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got := getCgroupsPath(test.cgroupsParent, testID)
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assert.Equal(t, test.expected, got)
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})
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}
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}
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func TestEnsureRemoveAllWithMount(t *testing.T) {
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if os.Getuid() != 0 {
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t.Skip("skipping test that requires root")
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}
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var err error
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dir1 := t.TempDir()
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dir2 := t.TempDir()
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bindDir := filepath.Join(dir1, "bind")
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if err := os.MkdirAll(bindDir, 0755); err != nil {
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t.Fatal(err)
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}
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if err := unix.Mount(dir2, bindDir, "none", unix.MS_BIND, ""); err != nil {
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t.Fatal(err)
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}
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done := make(chan struct{})
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go func() {
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err = ensureRemoveAll(context.Background(), dir1)
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close(done)
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}()
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select {
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case <-done:
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if err != nil {
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t.Fatal(err)
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}
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case <-time.After(5 * time.Second):
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t.Fatal("timeout waiting for EnsureRemoveAll to finish")
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}
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if _, err := os.Stat(dir1); !os.IsNotExist(err) {
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t.Fatalf("expected %q to not exist", dir1)
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}
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}
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