158 lines
3.6 KiB
Go
158 lines
3.6 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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"strings"
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"testing"
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crilabels "github.com/containerd/containerd/v2/internal/cri/labels"
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"github.com/containerd/containerd/v2/pkg/oci"
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runtimespec "github.com/opencontainers/runtime-spec/specs-go"
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"github.com/stretchr/testify/assert"
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)
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func TestBuildLabels(t *testing.T) {
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imageConfigLabels := map[string]string{
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"a": "z",
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"d": "y",
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"long-label": strings.Repeat("example", 10000),
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}
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configLabels := map[string]string{
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"a": "b",
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"c": "d",
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}
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newLabels := buildLabels(configLabels, imageConfigLabels, crilabels.ContainerKindSandbox)
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assert.Len(t, newLabels, 4)
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assert.Equal(t, "b", newLabels["a"])
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assert.Equal(t, "d", newLabels["c"])
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assert.Equal(t, "y", newLabels["d"])
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assert.Equal(t, crilabels.ContainerKindSandbox, newLabels[crilabels.ContainerKindLabel])
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assert.NotContains(t, newLabels, "long-label")
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newLabels["a"] = "e"
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assert.Empty(t, configLabels[crilabels.ContainerKindLabel], "should not add new labels into original label")
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assert.Equal(t, "b", configLabels["a"], "change in new labels should not affect original label")
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}
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func TestEnvDeduplication(t *testing.T) {
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for _, test := range []struct {
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desc string
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existing []string
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kv [][2]string
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expected []string
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}{
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{
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desc: "single env",
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kv: [][2]string{
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{"a", "b"},
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},
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expected: []string{"a=b"},
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},
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{
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desc: "multiple envs",
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kv: [][2]string{
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{"a", "b"},
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{"c", "d"},
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{"e", "f"},
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},
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expected: []string{
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"a=b",
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"c=d",
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"e=f",
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},
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},
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{
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desc: "env override",
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kv: [][2]string{
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{"k1", "v1"},
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{"k2", "v2"},
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{"k3", "v3"},
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{"k3", "v4"},
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{"k1", "v5"},
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{"k4", "v6"},
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},
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expected: []string{
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"k1=v5",
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"k2=v2",
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"k3=v4",
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"k4=v6",
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},
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},
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{
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desc: "existing env",
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existing: []string{
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"k1=v1",
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"k2=v2",
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"k3=v3",
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},
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kv: [][2]string{
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{"k3", "v4"},
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{"k2", "v5"},
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{"k4", "v6"},
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},
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expected: []string{
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"k1=v1",
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"k2=v5",
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"k3=v4",
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"k4=v6",
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},
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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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var spec runtimespec.Spec
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if len(test.existing) > 0 {
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spec.Process = &runtimespec.Process{
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Env: test.existing,
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}
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}
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for _, kv := range test.kv {
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oci.WithEnv([]string{kv[0] + "=" + kv[1]})(context.Background(), nil, nil, &spec)
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}
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assert.Equal(t, test.expected, spec.Process.Env)
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})
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}
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}
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func TestEnsureRemoveAllNotExist(t *testing.T) {
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// should never return an error for a non-existent path
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if err := ensureRemoveAll(context.Background(), "/non/existent/path"); err != nil {
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t.Fatal(err)
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}
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}
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func TestEnsureRemoveAllWithDir(t *testing.T) {
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dir := t.TempDir()
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if err := ensureRemoveAll(context.Background(), dir); err != nil {
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t.Fatal(err)
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}
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}
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func TestEnsureRemoveAllWithFile(t *testing.T) {
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tmp, err := os.CreateTemp("", "test-ensure-removeall-with-dir")
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if err != nil {
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t.Fatal(err)
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}
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tmp.Close()
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if err := ensureRemoveAll(context.Background(), tmp.Name()); err != nil {
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t.Fatal(err)
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}
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}
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